-diff -NurpP --minimal linux-3.9.5/Documentation/vserver/debug.txt linux-3.9.5-vs2.3.6.5/Documentation/vserver/debug.txt
---- linux-3.9.5/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/Documentation/vserver/debug.txt 2013-05-31 14:47:10.000000000 +0000
-@@ -0,0 +1,154 @@
-+
-+debug_cvirt:
-+
-+ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
-+ "vx_rmap_tgid: %p/%llx: %d -> %d"
-+
-+debug_dlim:
-+
-+ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
-+ "FREE (%p,#%d)%c inode"
-+ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
-+ "FREE (%p,#%d)%c %lld bytes"
-+ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
-+ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
-+ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
-+ "rcu_free_dl_info(%p)"
-+ 4 10 "alloc_dl_info(%p,%d) = %p"
-+ "dealloc_dl_info(%p)"
-+ "get_dl_info(%p[#%d.%d])"
-+ "put_dl_info(%p[#%d.%d])"
-+ 5 20 "alloc_dl_info(%p,%d)*"
-+ 6 40 "__hash_dl_info: %p[#%d]"
-+ "__unhash_dl_info: %p[#%d]"
-+ 7 80 "locate_dl_info(%p,#%d) = %p"
-+
-+debug_misc:
-+
-+ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
-+ "new_dqhash: %p [#0x%08x]"
-+ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
-+ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
-+ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
-+ "vroot_get_real_bdev not set"
-+ 1 2 "cow_break_link(»%s«)"
-+ "temp copy »%s«"
-+ 2 4 "dentry_open(new): %p"
-+ "dentry_open(old): %p"
-+ "lookup_create(new): %p"
-+ "old path »%s«"
-+ "path_lookup(old): %d"
-+ "vfs_create(new): %d"
-+ "vfs_rename: %d"
-+ "vfs_sendfile: %d"
-+ 3 8 "fput(new_file=%p[#%d])"
-+ "fput(old_file=%p[#%d])"
-+ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
-+ "vx_info_kill(%p[#%d],%d,%d)*"
-+ 5 20 "vs_reboot(%p[#%d],%d)"
-+ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
-+
-+debug_net:
-+
-+ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
-+ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
-+ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
-+ 4 10 "ip_route_connect(%p) %p,%p;%lx"
-+ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
-+ 6 40 "sk,egf: %p [#%d] (from %d)"
-+ "sk,egn: %p [#%d] (from %d)"
-+ "sk,req: %p [#%d] (from %d)"
-+ "sk: %p [#%d] (from %d)"
-+ "tw: %p [#%d] (from %d)"
-+ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
-+ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
-+
-+debug_nid:
-+
-+ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
-+ "alloc_nx_info(%d) = %p"
-+ "create_nx_info(%d) (dynamic rejected)"
-+ "create_nx_info(%d) = %p (already there)"
-+ "create_nx_info(%d) = %p (new)"
-+ "dealloc_nx_info(%p)"
-+ 1 2 "alloc_nx_info(%d)*"
-+ "create_nx_info(%d)*"
-+ 2 4 "get_nx_info(%p[#%d.%d])"
-+ "put_nx_info(%p[#%d.%d])"
-+ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
-+ "clr_nx_info(%p[#%d.%d])"
-+ "init_nx_info(%p[#%d.%d])"
-+ "release_nx_info(%p[#%d.%d.%d]) %p"
-+ "set_nx_info(%p[#%d.%d])"
-+ 4 10 "__hash_nx_info: %p[#%d]"
-+ "__nx_dynamic_id: [#%d]"
-+ "__unhash_nx_info: %p[#%d.%d.%d]"
-+ 5 20 "moved task %p into nxi:%p[#%d]"
-+ "nx_migrate_task(%p,%p[#%d.%d.%d])"
-+ "task_get_nx_info(%p)"
-+ 6 40 "nx_clear_persistent(%p[#%d])"
-+
-+debug_quota:
-+
-+ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
-+ 1 2 "quota_sync_dqh(%p,%d)"
-+ "sync_dquots(%p,%d)"
-+ "sync_dquots_dqh(%p,%d)"
-+ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
-+
-+debug_switch:
-+
-+ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
-+ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
-+ 4 10 "%s: (%s %s) returned %s with %d"
-+
-+debug_tag:
-+
-+ 7 80 "dx_parse_tag(»%s«): %d:#%d"
-+ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
-+
-+debug_xid:
-+
-+ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
-+ "alloc_vx_info(%d) = %p"
-+ "alloc_vx_info(%d)*"
-+ "create_vx_info(%d) (dynamic rejected)"
-+ "create_vx_info(%d) = %p (already there)"
-+ "create_vx_info(%d) = %p (new)"
-+ "dealloc_vx_info(%p)"
-+ "loc_vx_info(%d) = %p (found)"
-+ "loc_vx_info(%d) = %p (new)"
-+ "loc_vx_info(%d) = %p (not available)"
-+ 1 2 "create_vx_info(%d)*"
-+ "loc_vx_info(%d)*"
-+ 2 4 "get_vx_info(%p[#%d.%d])"
-+ "put_vx_info(%p[#%d.%d])"
-+ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
-+ "clr_vx_info(%p[#%d.%d])"
-+ "init_vx_info(%p[#%d.%d])"
-+ "release_vx_info(%p[#%d.%d.%d]) %p"
-+ "set_vx_info(%p[#%d.%d])"
-+ 4 10 "__hash_vx_info: %p[#%d]"
-+ "__unhash_vx_info: %p[#%d.%d.%d]"
-+ "__vx_dynamic_id: [#%d]"
-+ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
-+ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
-+ "moved task %p into vxi:%p[#%d]"
-+ "task_get_vx_info(%p)"
-+ "vx_migrate_task(%p,%p[#%d.%d])"
-+ 6 40 "vx_clear_persistent(%p[#%d])"
-+ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
-+ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
-+ "vx_set_persistent(%p[#%d])"
-+ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
-+ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
-+
-+
-+debug_limit:
-+
-+ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
-+ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
-+
-+ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
-+ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
-+ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
-diff -NurpP --minimal linux-3.9.5/arch/alpha/Kconfig linux-3.9.5-vs2.3.6.5/arch/alpha/Kconfig
---- linux-3.9.5/arch/alpha/Kconfig 2013-05-31 13:44:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/alpha/Kconfig 2013-05-31 14:47:10.000000000 +0000
-@@ -669,6 +669,8 @@ config DUMMY_CONSOLE
+diff -NurpP --minimal linux-4.9.217/arch/alpha/Kconfig linux-4.9.217-vs2.3.9.12/arch/alpha/Kconfig
+--- linux-4.9.217/arch/alpha/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/alpha/Kconfig 2018-10-20 04:58:12.000000000 +0000
+@@ -743,6 +743,8 @@ config DUMMY_CONSOLE
depends on VGA_HOSE
default y
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/alpha/kernel/systbls.S linux-3.9.5-vs2.3.6.5/arch/alpha/kernel/systbls.S
---- linux-3.9.5/arch/alpha/kernel/systbls.S 2013-02-19 13:56:11.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/alpha/kernel/systbls.S 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/alpha/kernel/systbls.S linux-4.9.217-vs2.3.9.12/arch/alpha/kernel/systbls.S
+--- linux-4.9.217/arch/alpha/kernel/systbls.S 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/alpha/kernel/systbls.S 2018-10-20 04:58:12.000000000 +0000
@@ -446,7 +446,7 @@ sys_call_table:
.quad sys_stat64 /* 425 */
.quad sys_lstat64
.quad sys_ni_syscall /* sys_mbind */
.quad sys_ni_syscall /* sys_get_mempolicy */
.quad sys_ni_syscall /* sys_set_mempolicy */
-diff -NurpP --minimal linux-3.9.5/arch/alpha/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/alpha/kernel/traps.c
---- linux-3.9.5/arch/alpha/kernel/traps.c 2013-05-31 13:44:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/alpha/kernel/traps.c 2013-06-12 09:32:34.000000000 +0000
-@@ -184,7 +184,8 @@ die_if_kernel(char * str, struct pt_regs
+diff -NurpP --minimal linux-4.9.217/arch/alpha/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/alpha/kernel/traps.c
+--- linux-4.9.217/arch/alpha/kernel/traps.c 2020-03-27 00:50:40.331132545 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/alpha/kernel/traps.c 2018-10-20 04:58:12.000000000 +0000
+@@ -179,7 +179,8 @@ die_if_kernel(char * str, struct pt_regs
#ifdef CONFIG_SMP
printk("CPU %d ", hard_smp_processor_id());
#endif
dik_show_regs(regs, r9_15);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
dik_show_trace((unsigned long *)(regs+1));
-diff -NurpP --minimal linux-3.9.5/arch/arm/Kconfig linux-3.9.5-vs2.3.6.5/arch/arm/Kconfig
---- linux-3.9.5/arch/arm/Kconfig 2013-05-31 13:44:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/arm/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -2353,6 +2353,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/arm/Kconfig linux-4.9.217-vs2.3.9.12/arch/arm/Kconfig
+--- linux-4.9.217/arch/arm/Kconfig 2020-03-27 00:50:40.441130813 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/arm/Kconfig 2020-04-01 09:39:57.315984093 +0000
+@@ -2200,6 +2200,8 @@ source "fs/Kconfig"
source "arch/arm/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/arm/kernel/calls.S linux-3.9.5-vs2.3.6.5/arch/arm/kernel/calls.S
---- linux-3.9.5/arch/arm/kernel/calls.S 2013-05-31 13:44:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/arm/kernel/calls.S 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/arm/kernel/calls.S linux-4.9.217-vs2.3.9.12/arch/arm/kernel/calls.S
+--- linux-4.9.217/arch/arm/kernel/calls.S 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/arm/kernel/calls.S 2018-10-20 04:58:12.000000000 +0000
@@ -322,7 +322,7 @@
/* 310 */ CALL(sys_request_key)
CALL(sys_keyctl)
CALL(sys_ioprio_set)
/* 315 */ CALL(sys_ioprio_get)
CALL(sys_inotify_init)
-diff -NurpP --minimal linux-3.9.5/arch/arm/kernel/process.c linux-3.9.5-vs2.3.6.5/arch/arm/kernel/process.c
---- linux-3.9.5/arch/arm/kernel/process.c 2013-05-31 13:44:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/arm/kernel/process.c 2013-06-12 09:33:04.000000000 +0000
-@@ -332,7 +332,8 @@ void __show_regs(struct pt_regs *regs)
- void show_regs(struct pt_regs * regs)
- {
- printk("\n");
-- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
-+ printk("Pid: %d:#%u, comm: %20s\n",
-+ task_pid_nr(current), current->xid, current->comm);
- __show_regs(regs);
- dump_stack();
- }
-diff -NurpP --minimal linux-3.9.5/arch/arm/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/arm/kernel/traps.c
---- linux-3.9.5/arch/arm/kernel/traps.c 2013-05-31 13:44:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/arm/kernel/traps.c 2013-05-31 14:47:11.000000000 +0000
-@@ -249,8 +249,8 @@ static int __die(const char *str, int er
+diff -NurpP --minimal linux-4.9.217/arch/arm/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/arm/kernel/traps.c
+--- linux-4.9.217/arch/arm/kernel/traps.c 2020-03-27 00:50:40.901123578 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/arm/kernel/traps.c 2018-10-20 04:58:12.000000000 +0000
+@@ -279,8 +279,8 @@ static int __die(const char *str, int er
print_modules();
__show_regs(regs);
-- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
-- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
-+ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
-+ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, end_of_stack(tsk));
+- pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
++ pr_emerg("Process %.*s (pid: %d:%u, stack limit = 0x%p)\n",
++ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, end_of_stack(tsk));
if (!user_mode(regs) || in_interrupt()) {
dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
-diff -NurpP --minimal linux-3.9.5/arch/cris/Kconfig linux-3.9.5-vs2.3.6.5/arch/cris/Kconfig
---- linux-3.9.5/arch/cris/Kconfig 2013-05-31 13:44:37.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/cris/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -674,6 +674,8 @@ source "drivers/staging/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/cris/Kconfig linux-4.9.217-vs2.3.9.12/arch/cris/Kconfig
+--- linux-4.9.217/arch/cris/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/cris/Kconfig 2018-10-20 04:58:12.000000000 +0000
+@@ -583,6 +583,8 @@ source "fs/Kconfig"
source "arch/cris/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/h8300/Kconfig linux-3.9.5-vs2.3.6.5/arch/h8300/Kconfig
---- linux-3.9.5/arch/h8300/Kconfig 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/h8300/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -221,6 +221,8 @@ source "fs/Kconfig"
-
- source "arch/h8300/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/ia64/Kconfig linux-3.9.5-vs2.3.6.5/arch/ia64/Kconfig
---- linux-3.9.5/arch/ia64/Kconfig 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/ia64/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -645,6 +645,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/ia64/Kconfig linux-4.9.217-vs2.3.9.12/arch/ia64/Kconfig
+--- linux-4.9.217/arch/ia64/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/ia64/Kconfig 2018-10-20 04:58:12.000000000 +0000
+@@ -602,6 +602,8 @@ source "fs/Kconfig"
source "arch/ia64/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/ia64/kernel/entry.S linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/entry.S
---- linux-3.9.5/arch/ia64/kernel/entry.S 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/entry.S 2013-05-31 14:47:11.000000000 +0000
-@@ -1719,7 +1719,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.9.217/arch/ia64/kernel/entry.S linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/entry.S
+--- linux-4.9.217/arch/ia64/kernel/entry.S 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/entry.S 2018-10-20 04:58:12.000000000 +0000
+@@ -1697,7 +1697,7 @@ sys_call_table:
data8 sys_mq_notify
data8 sys_mq_getsetattr
data8 sys_kexec_load
data8 sys_waitid // 1270
data8 sys_add_key
data8 sys_request_key
-diff -NurpP --minimal linux-3.9.5/arch/ia64/kernel/process.c linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/process.c
---- linux-3.9.5/arch/ia64/kernel/process.c 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/process.c 2013-06-12 09:33:32.000000000 +0000
-@@ -109,8 +109,8 @@ show_regs (struct pt_regs *regs)
- unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
-
- print_modules();
-- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
-- smp_processor_id(), current->comm);
-+ printk("\nPid: %d:#%u, CPU %d, comm: %20s\n", task_pid_nr(current),
-+ current->xid, smp_processor_id(), current->comm);
- printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
- regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
- init_utsname()->release);
-diff -NurpP --minimal linux-3.9.5/arch/ia64/kernel/ptrace.c linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/ptrace.c
---- linux-3.9.5/arch/ia64/kernel/ptrace.c 2013-02-19 13:56:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/ptrace.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/ia64/kernel/ptrace.c linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/ptrace.c
+--- linux-4.9.217/arch/ia64/kernel/ptrace.c 2020-03-27 00:50:42.241102503 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/ptrace.c 2018-10-20 04:58:12.000000000 +0000
@@ -21,6 +21,7 @@
#include <linux/regset.h>
#include <linux/elf.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-diff -NurpP --minimal linux-3.9.5/arch/ia64/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/traps.c
---- linux-3.9.5/arch/ia64/kernel/traps.c 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/ia64/kernel/traps.c 2013-06-12 09:33:50.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/ia64/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/traps.c
+--- linux-4.9.217/arch/ia64/kernel/traps.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/ia64/kernel/traps.c 2018-10-20 04:58:12.000000000 +0000
@@ -60,8 +60,9 @@ die (const char *str, struct pt_regs *re
put_cpu();
}
}
}
-diff -NurpP --minimal linux-3.9.5/arch/m32r/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/m32r/kernel/traps.c
---- linux-3.9.5/arch/m32r/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/m32r/kernel/traps.c 2013-06-12 09:33:58.000000000 +0000
-@@ -195,8 +195,9 @@ static void show_registers(struct pt_reg
+diff -NurpP --minimal linux-4.9.217/arch/m32r/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/m32r/kernel/traps.c
+--- linux-4.9.217/arch/m32r/kernel/traps.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/m32r/kernel/traps.c 2018-10-20 04:58:12.000000000 +0000
+@@ -184,8 +184,9 @@ static void show_registers(struct pt_reg
} else {
printk("SPI: %08lx\n", sp);
}
/*
* When in-kernel, we also print out the stack and code at the
-diff -NurpP --minimal linux-3.9.5/arch/m68k/Kconfig linux-3.9.5-vs2.3.6.5/arch/m68k/Kconfig
---- linux-3.9.5/arch/m68k/Kconfig 2013-05-31 13:44:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/m68k/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -137,6 +137,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/m68k/Kconfig linux-4.9.217-vs2.3.9.12/arch/m68k/Kconfig
+--- linux-4.9.217/arch/m68k/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/m68k/Kconfig 2018-10-20 04:58:12.000000000 +0000
+@@ -163,6 +163,8 @@ source "fs/Kconfig"
source "arch/m68k/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/mips/Kconfig linux-3.9.5-vs2.3.6.5/arch/mips/Kconfig
---- linux-3.9.5/arch/mips/Kconfig 2013-05-31 13:44:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -2550,6 +2550,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/mips/Kconfig linux-4.9.217-vs2.3.9.12/arch/mips/Kconfig
+--- linux-4.9.217/arch/mips/Kconfig 2020-03-27 00:50:42.451099201 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/Kconfig 2019-12-25 15:37:43.808561393 +0000
+@@ -3193,6 +3193,8 @@ source "fs/Kconfig"
source "arch/mips/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/ptrace.c linux-3.9.5-vs2.3.6.5/arch/mips/kernel/ptrace.c
---- linux-3.9.5/arch/mips/kernel/ptrace.c 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/ptrace.c 2013-05-31 14:47:11.000000000 +0000
-@@ -25,6 +25,7 @@
- #include <linux/security.h>
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/ptrace.c linux-4.9.217-vs2.3.9.12/arch/mips/kernel/ptrace.c
+--- linux-4.9.217/arch/mips/kernel/ptrace.c 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/ptrace.c 2018-10-20 05:55:33.000000000 +0000
+@@ -30,6 +30,7 @@
#include <linux/audit.h>
#include <linux/seccomp.h>
+ #include <linux/ftrace.h>
+#include <linux/vs_base.h>
#include <asm/byteorder.h>
#include <asm/cpu.h>
-@@ -262,6 +263,9 @@ long arch_ptrace(struct task_struct *chi
+@@ -798,6 +799,9 @@ long arch_ptrace(struct task_struct *chi
void __user *datavp = (void __user *) data;
unsigned long __user *datalp = (void __user *) data;
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/scall32-o32.S linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall32-o32.S
---- linux-3.9.5/arch/mips/kernel/scall32-o32.S 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall32-o32.S 2013-05-31 14:47:11.000000000 +0000
-@@ -512,7 +512,7 @@ einval: li v0, -ENOSYS
- sys sys_mq_timedreceive 5
- sys sys_mq_notify 2 /* 4275 */
- sys sys_mq_getsetattr 3
-- sys sys_ni_syscall 0 /* sys_vserver */
-+ sys sys_vserver 3
- sys sys_waitid 5
- sys sys_ni_syscall 0 /* available, was setaltroot */
- sys sys_add_key 5 /* 4280 */
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/scall64-64.S linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-64.S
---- linux-3.9.5/arch/mips/kernel/scall64-64.S 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-64.S 2013-05-31 14:47:11.000000000 +0000
-@@ -351,7 +351,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/scall32-o32.S linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall32-o32.S
+--- linux-4.9.217/arch/mips/kernel/scall32-o32.S 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall32-o32.S 2018-10-20 04:58:12.000000000 +0000
+@@ -511,7 +511,7 @@ EXPORT(sys_call_table)
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify /* 4275 */
+ PTR sys_mq_getsetattr
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys_vserver
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key /* 4280 */
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/scall64-64.S linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-64.S
+--- linux-4.9.217/arch/mips/kernel/scall64-64.S 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-64.S 2018-10-20 04:58:12.000000000 +0000
+@@ -348,7 +348,7 @@ EXPORT(sys_call_table)
PTR sys_mq_timedreceive
PTR sys_mq_notify
PTR sys_mq_getsetattr /* 5235 */
PTR sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/scall64-n32.S linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-n32.S
---- linux-3.9.5/arch/mips/kernel/scall64-n32.S 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-n32.S 2013-05-31 14:47:11.000000000 +0000
-@@ -344,7 +344,7 @@ EXPORT(sysn32_call_table)
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/scall64-n32.S linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-n32.S
+--- linux-4.9.217/arch/mips/kernel/scall64-n32.S 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-n32.S 2018-10-20 04:58:12.000000000 +0000
+@@ -343,7 +343,7 @@ EXPORT(sysn32_call_table)
PTR compat_sys_mq_timedreceive
PTR compat_sys_mq_notify
PTR compat_sys_mq_getsetattr
PTR compat_sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/scall64-o32.S linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-o32.S
---- linux-3.9.5/arch/mips/kernel/scall64-o32.S 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/scall64-o32.S 2013-05-31 15:07:53.000000000 +0000
-@@ -469,7 +469,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/scall64-o32.S linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-o32.S
+--- linux-4.9.217/arch/mips/kernel/scall64-o32.S 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/scall64-o32.S 2019-10-05 14:58:36.920447392 +0000
+@@ -499,7 +499,7 @@ EXPORT(sys32_call_table)
PTR compat_sys_mq_timedreceive
PTR compat_sys_mq_notify /* 4275 */
PTR compat_sys_mq_getsetattr
PTR compat_sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key /* 4280 */
-diff -NurpP --minimal linux-3.9.5/arch/mips/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/mips/kernel/traps.c
---- linux-3.9.5/arch/mips/kernel/traps.c 2013-05-31 13:44:42.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/mips/kernel/traps.c 2013-05-31 14:47:11.000000000 +0000
-@@ -348,9 +348,10 @@ void show_registers(struct pt_regs *regs
+diff -NurpP --minimal linux-4.9.217/arch/mips/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/mips/kernel/traps.c
+--- linux-4.9.217/arch/mips/kernel/traps.c 2020-03-27 00:50:42.811093539 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/mips/kernel/traps.c 2018-10-20 04:58:13.000000000 +0000
+@@ -361,9 +361,10 @@ void show_registers(struct pt_regs *regs
__show_regs(regs);
print_modules();
if (cpu_has_userlocal) {
unsigned long tls;
-diff -NurpP --minimal linux-3.9.5/arch/parisc/Kconfig linux-3.9.5-vs2.3.6.5/arch/parisc/Kconfig
---- linux-3.9.5/arch/parisc/Kconfig 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/parisc/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -308,6 +308,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/parisc/Kconfig linux-4.9.217-vs2.3.9.12/arch/parisc/Kconfig
+--- linux-4.9.217/arch/parisc/Kconfig 2020-03-27 00:50:43.061089606 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/parisc/Kconfig 2018-10-20 05:55:33.000000000 +0000
+@@ -348,6 +348,8 @@ config SECCOMP
- source "arch/parisc/Kconfig.debug"
+ If unsure, say Y. Only embedded should say N here.
+source "kernel/vserver/Kconfig"
+
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/parisc/kernel/syscall_table.S linux-3.9.5-vs2.3.6.5/arch/parisc/kernel/syscall_table.S
---- linux-3.9.5/arch/parisc/kernel/syscall_table.S 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/parisc/kernel/syscall_table.S 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/parisc/kernel/syscall_table.S linux-4.9.217-vs2.3.9.12/arch/parisc/kernel/syscall_table.S
+--- linux-4.9.217/arch/parisc/kernel/syscall_table.S 2020-03-27 00:50:43.151088192 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/parisc/kernel/syscall_table.S 2018-10-20 04:58:13.000000000 +0000
@@ -358,7 +358,7 @@
ENTRY_COMP(mbind) /* 260 */
ENTRY_COMP(get_mempolicy)
+ ENTRY_DIFF(vserver)
ENTRY_SAME(add_key)
ENTRY_SAME(request_key) /* 265 */
- ENTRY_SAME(keyctl)
-diff -NurpP --minimal linux-3.9.5/arch/parisc/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/parisc/kernel/traps.c
---- linux-3.9.5/arch/parisc/kernel/traps.c 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/parisc/kernel/traps.c 2013-05-31 14:47:11.000000000 +0000
+ ENTRY_COMP(keyctl)
+diff -NurpP --minimal linux-4.9.217/arch/parisc/kernel/traps.c linux-4.9.217-vs2.3.9.12/arch/parisc/kernel/traps.c
+--- linux-4.9.217/arch/parisc/kernel/traps.c 2020-03-27 00:50:43.161088037 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/parisc/kernel/traps.c 2019-02-22 08:37:49.463155825 +0000
@@ -235,8 +235,9 @@ void die_if_kernel(char *str, struct pt_
- if (err == 0)
return; /* STFU */
-- printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
+ parisc_printk_ratelimited(1, regs,
+- KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
- current->comm, task_pid_nr(current), str, err, regs->iaoq[0]);
-+ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
++ KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
+ current->comm, task_pid_nr(current), current->xid,
+ str, err, regs->iaoq[0]);
- #ifdef PRINT_USER_FAULTS
- /* XXX for debugging only */
- show_regs(regs);
-@@ -269,8 +270,8 @@ void die_if_kernel(char *str, struct pt_
+
+ return;
+ }
+@@ -266,8 +267,8 @@ void die_if_kernel(char *str, struct pt_
pdc_console_restart();
if (err)
/* Wot's wrong wif bein' racy? */
if (current->thread.flags & PARISC_KERNEL_DEATH) {
-diff -NurpP --minimal linux-3.9.5/arch/parisc/mm/fault.c linux-3.9.5-vs2.3.6.5/arch/parisc/mm/fault.c
---- linux-3.9.5/arch/parisc/mm/fault.c 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/parisc/mm/fault.c 2013-05-31 14:47:11.000000000 +0000
-@@ -257,8 +257,9 @@ bad_area:
-
- #ifdef PRINT_USER_FAULTS
- printk(KERN_DEBUG "\n");
-- printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n",
-- task_pid_nr(tsk), tsk->comm, code, address);
-+ printk(KERN_DEBUG "do_page_fault() pid=%d:#%u "
-+ "command='%s' type=%lu address=0x%08lx\n",
-+ task_pid_nr(tsk), tsk->xid, tsk->comm, code, address);
- if (vma) {
- printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n",
- vma->vm_start, vma->vm_end);
-diff -NurpP --minimal linux-3.9.5/arch/powerpc/Kconfig linux-3.9.5-vs2.3.6.5/arch/powerpc/Kconfig
---- linux-3.9.5/arch/powerpc/Kconfig 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/powerpc/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -1027,6 +1027,8 @@ source "lib/Kconfig"
-
- source "arch/powerpc/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- config KEYS_COMPAT
-diff -NurpP --minimal linux-3.9.5/arch/powerpc/include/uapi/asm/unistd.h linux-3.9.5-vs2.3.6.5/arch/powerpc/include/uapi/asm/unistd.h
---- linux-3.9.5/arch/powerpc/include/uapi/asm/unistd.h 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/powerpc/include/uapi/asm/unistd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/powerpc/include/uapi/asm/unistd.h linux-4.9.217-vs2.3.9.12/arch/powerpc/include/uapi/asm/unistd.h
+--- linux-4.9.217/arch/powerpc/include/uapi/asm/unistd.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/powerpc/include/uapi/asm/unistd.h 2018-10-20 04:58:13.000000000 +0000
@@ -275,7 +275,7 @@
#endif
#define __NR_rtas 255
#define __NR_migrate_pages 258
#define __NR_mbind 259
#define __NR_get_mempolicy 260
-diff -NurpP --minimal linux-3.9.5/arch/powerpc/kernel/process.c linux-3.9.5-vs2.3.6.5/arch/powerpc/kernel/process.c
---- linux-3.9.5/arch/powerpc/kernel/process.c 2013-05-31 13:44:44.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/powerpc/kernel/process.c 2013-06-12 09:34:39.000000000 +0000
-@@ -850,8 +850,9 @@ void show_regs(struct pt_regs * regs)
- #else
- printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
- #endif
-- printk("TASK = %p[%d] '%s' THREAD: %p",
-- current, task_pid_nr(current), current->comm, task_thread_info(current));
-+ printk("TASK = %p[%d:#%u] '%s' THREAD: %p",
-+ current, task_pid_nr(current), current->xid,
-+ current->comm, task_thread_info(current));
+diff -NurpP --minimal linux-4.9.217/arch/powerpc/Kconfig linux-4.9.217-vs2.3.9.12/arch/powerpc/Kconfig
+--- linux-4.9.217/arch/powerpc/Kconfig 2020-03-27 00:50:43.171087876 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/powerpc/Kconfig 2020-04-01 09:40:17.695646404 +0000
+@@ -1092,6 +1092,8 @@ source "lib/Kconfig"
- #ifdef CONFIG_SMP
- printk(" CPU: %d", raw_smp_processor_id());
-diff -NurpP --minimal linux-3.9.5/arch/powerpc/kernel/traps.c linux-3.9.5-vs2.3.6.5/arch/powerpc/kernel/traps.c
---- linux-3.9.5/arch/powerpc/kernel/traps.c 2013-06-11 12:22:35.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/powerpc/kernel/traps.c 2013-06-13 00:14:31.000000000 +0000
-@@ -1196,8 +1196,9 @@ void nonrecoverable_exception(struct pt_
-
- void trace_syscall(struct pt_regs *regs)
- {
-- printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
-- current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
-+ printk("Task: %p(%d:#%u), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
-+ current, task_pid_nr(current), current->xid,
-+ regs->nip, regs->link, regs->gpr[0],
- regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
- }
-
-diff -NurpP --minimal linux-3.9.5/arch/s390/Kconfig linux-3.9.5-vs2.3.6.5/arch/s390/Kconfig
---- linux-3.9.5/arch/s390/Kconfig 2013-05-31 13:44:45.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/s390/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -592,6 +592,8 @@ source "fs/Kconfig"
-
- source "arch/s390/Kconfig.debug"
+ source "arch/powerpc/Kconfig.debug"
+source "kernel/vserver/Kconfig"
+
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/s390/include/asm/tlb.h linux-3.9.5-vs2.3.6.5/arch/s390/include/asm/tlb.h
---- linux-3.9.5/arch/s390/include/asm/tlb.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/s390/include/asm/tlb.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/s390/include/asm/tlb.h linux-4.9.217-vs2.3.9.12/arch/s390/include/asm/tlb.h
+--- linux-4.9.217/arch/s390/include/asm/tlb.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/s390/include/asm/tlb.h 2018-10-20 04:58:13.000000000 +0000
@@ -24,6 +24,7 @@
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <asm/processor.h>
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
-diff -NurpP --minimal linux-3.9.5/arch/s390/include/uapi/asm/unistd.h linux-3.9.5-vs2.3.6.5/arch/s390/include/uapi/asm/unistd.h
---- linux-3.9.5/arch/s390/include/uapi/asm/unistd.h 2013-02-19 13:57:16.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/s390/include/uapi/asm/unistd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/s390/include/uapi/asm/unistd.h linux-4.9.217-vs2.3.9.12/arch/s390/include/uapi/asm/unistd.h
+--- linux-4.9.217/arch/s390/include/uapi/asm/unistd.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/s390/include/uapi/asm/unistd.h 2018-10-20 04:58:13.000000000 +0000
@@ -200,7 +200,7 @@
- #define __NR_clock_gettime (__NR_timer_create+6)
- #define __NR_clock_getres (__NR_timer_create+7)
- #define __NR_clock_nanosleep (__NR_timer_create+8)
+ #define __NR_clock_gettime 260
+ #define __NR_clock_getres 261
+ #define __NR_clock_nanosleep 262
-/* Number 263 is reserved for vserver */
+#define __NR_vserver 263
#define __NR_statfs64 265
#define __NR_fstatfs64 266
#define __NR_remap_file_pages 267
-diff -NurpP --minimal linux-3.9.5/arch/s390/kernel/ptrace.c linux-3.9.5-vs2.3.6.5/arch/s390/kernel/ptrace.c
---- linux-3.9.5/arch/s390/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/s390/kernel/ptrace.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/s390/Kconfig linux-4.9.217-vs2.3.9.12/arch/s390/Kconfig
+--- linux-4.9.217/arch/s390/Kconfig 2020-03-27 00:50:44.061073883 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/s390/Kconfig 2018-10-20 04:58:13.000000000 +0000
+@@ -775,6 +775,8 @@ source "fs/Kconfig"
+
+ source "arch/s390/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/s390/kernel/ptrace.c linux-4.9.217-vs2.3.9.12/arch/s390/kernel/ptrace.c
+--- linux-4.9.217/arch/s390/kernel/ptrace.c 2020-03-27 00:50:44.171072152 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/s390/kernel/ptrace.c 2018-10-20 04:58:13.000000000 +0000
@@ -21,6 +21,7 @@
#include <linux/tracehook.h>
#include <linux/seccomp.h>
#include <trace/syscall.h>
#include <asm/segment.h>
#include <asm/page.h>
-diff -NurpP --minimal linux-3.9.5/arch/s390/kernel/syscalls.S linux-3.9.5-vs2.3.6.5/arch/s390/kernel/syscalls.S
---- linux-3.9.5/arch/s390/kernel/syscalls.S 2013-05-31 13:44:45.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/s390/kernel/syscalls.S 2013-05-31 14:47:11.000000000 +0000
-@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
- SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
- SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
- SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper)
--NI_SYSCALL /* reserved for vserver */
+diff -NurpP --minimal linux-4.9.217/arch/s390/kernel/syscalls.S linux-4.9.217-vs2.3.9.12/arch/s390/kernel/syscalls.S
+--- linux-4.9.217/arch/s390/kernel/syscalls.S 2020-03-27 00:50:44.171072152 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/s390/kernel/syscalls.S 2018-10-20 04:58:13.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,compat_sys_clo
+ SYSCALL(sys_clock_gettime,compat_sys_clock_gettime) /* 260 */
+ SYSCALL(sys_clock_getres,compat_sys_clock_getres)
+ SYSCALL(sys_clock_nanosleep,compat_sys_clock_nanosleep)
+-NI_SYSCALL /* reserved for vserver */
+SYSCALL(sys_vserver,sys_vserver,sys32_vserver)
- SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper)
- SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper)
- SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper)
-diff -NurpP --minimal linux-3.9.5/arch/sh/Kconfig linux-3.9.5-vs2.3.6.5/arch/sh/Kconfig
---- linux-3.9.5/arch/sh/Kconfig 2013-05-31 13:44:45.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sh/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -951,6 +951,8 @@ source "fs/Kconfig"
+ SYSCALL(sys_ni_syscall,compat_sys_s390_fadvise64_64)
+ SYSCALL(sys_statfs64,compat_sys_statfs64)
+ SYSCALL(sys_fstatfs64,compat_sys_fstatfs64)
+diff -NurpP --minimal linux-4.9.217/arch/sh/Kconfig linux-4.9.217-vs2.3.9.12/arch/sh/Kconfig
+--- linux-4.9.217/arch/sh/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sh/Kconfig 2018-10-20 04:58:13.000000000 +0000
+@@ -904,6 +904,8 @@ source "fs/Kconfig"
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/sh/kernel/irq.c linux-3.9.5-vs2.3.6.5/arch/sh/kernel/irq.c
---- linux-3.9.5/arch/sh/kernel/irq.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sh/kernel/irq.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/sh/kernel/irq.c linux-4.9.217-vs2.3.9.12/arch/sh/kernel/irq.c
+--- linux-4.9.217/arch/sh/kernel/irq.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sh/kernel/irq.c 2018-10-20 04:58:13.000000000 +0000
@@ -14,6 +14,7 @@
#include <linux/ftrace.h>
#include <linux/delay.h>
#include <asm/processor.h>
#include <asm/machvec.h>
#include <asm/uaccess.h>
-diff -NurpP --minimal linux-3.9.5/arch/sparc/Kconfig linux-3.9.5-vs2.3.6.5/arch/sparc/Kconfig
---- linux-3.9.5/arch/sparc/Kconfig 2013-05-31 13:44:47.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sparc/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -559,6 +559,8 @@ source "fs/Kconfig"
-
- source "arch/sparc/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/sparc/include/uapi/asm/unistd.h linux-3.9.5-vs2.3.6.5/arch/sparc/include/uapi/asm/unistd.h
---- linux-3.9.5/arch/sparc/include/uapi/asm/unistd.h 2013-02-19 13:57:17.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sparc/include/uapi/asm/unistd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/sparc/include/uapi/asm/unistd.h linux-4.9.217-vs2.3.9.12/arch/sparc/include/uapi/asm/unistd.h
+--- linux-4.9.217/arch/sparc/include/uapi/asm/unistd.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sparc/include/uapi/asm/unistd.h 2018-10-20 04:58:13.000000000 +0000
@@ -332,7 +332,7 @@
#define __NR_timer_getoverrun 264
#define __NR_timer_delete 265
#define __NR_io_setup 268
#define __NR_io_destroy 269
#define __NR_io_submit 270
-diff -NurpP --minimal linux-3.9.5/arch/sparc/kernel/systbls_32.S linux-3.9.5-vs2.3.6.5/arch/sparc/kernel/systbls_32.S
---- linux-3.9.5/arch/sparc/kernel/systbls_32.S 2013-05-31 13:44:48.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sparc/kernel/systbls_32.S 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/sparc/Kconfig linux-4.9.217-vs2.3.9.12/arch/sparc/Kconfig
+--- linux-4.9.217/arch/sparc/Kconfig 2020-03-27 00:50:44.741063185 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sparc/Kconfig 2019-02-22 08:37:49.523154806 +0000
+@@ -584,6 +584,8 @@ source "fs/Kconfig"
+
+ source "arch/sparc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.9.217/arch/sparc/kernel/systbls_32.S linux-4.9.217-vs2.3.9.12/arch/sparc/kernel/systbls_32.S
+--- linux-4.9.217/arch/sparc/kernel/systbls_32.S 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sparc/kernel/systbls_32.S 2018-10-20 04:58:13.000000000 +0000
@@ -70,7 +70,7 @@ sys_call_table:
/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
/*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
/*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
-diff -NurpP --minimal linux-3.9.5/arch/sparc/kernel/systbls_64.S linux-3.9.5-vs2.3.6.5/arch/sparc/kernel/systbls_64.S
---- linux-3.9.5/arch/sparc/kernel/systbls_64.S 2013-05-31 13:44:48.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/sparc/kernel/systbls_64.S 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/sparc/kernel/systbls_64.S linux-4.9.217-vs2.3.9.12/arch/sparc/kernel/systbls_64.S
+--- linux-4.9.217/arch/sparc/kernel/systbls_64.S 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/sparc/kernel/systbls_64.S 2018-10-20 04:58:13.000000000 +0000
@@ -71,7 +71,7 @@ sys_call_table32:
/*250*/ .word sys_mremap, compat_sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
.word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
/*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
.word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
/*280*/ .word sys_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat
-@@ -149,7 +149,7 @@ sys_call_table:
+@@ -152,7 +152,7 @@ sys_call_table:
/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
.word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
/*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
.word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
/*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
-diff -NurpP --minimal linux-3.9.5/arch/um/Kconfig.rest linux-3.9.5-vs2.3.6.5/arch/um/Kconfig.rest
---- linux-3.9.5/arch/um/Kconfig.rest 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/um/Kconfig.rest 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/um/Kconfig.rest linux-4.9.217-vs2.3.9.12/arch/um/Kconfig.rest
+--- linux-4.9.217/arch/um/Kconfig.rest 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/um/Kconfig.rest 2018-10-20 04:58:13.000000000 +0000
@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
source "fs/Kconfig"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/x86/Kconfig linux-3.9.5-vs2.3.6.5/arch/x86/Kconfig
---- linux-3.9.5/arch/x86/Kconfig 2013-06-11 12:22:36.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/x86/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -2341,6 +2341,8 @@ source "fs/Kconfig"
-
- source "arch/x86/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-3.9.5/arch/x86/kernel/dumpstack.c linux-3.9.5-vs2.3.6.5/arch/x86/kernel/dumpstack.c
---- linux-3.9.5/arch/x86/kernel/dumpstack.c 2013-05-31 13:44:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/x86/kernel/dumpstack.c 2013-06-12 11:03:19.000000000 +0000
-@@ -188,8 +188,8 @@ void dump_stack(void)
- unsigned long stack;
-
- bp = stack_frame(current, NULL);
-- printk("Pid: %d, comm: %.20s %s %s %.*s\n",
-- current->pid, current->comm, print_tainted(),
-+ printk("Pid: %d:#%u, comm: %.20s %s %s %.*s\n",
-+ current->pid, current->xid, current->comm, print_tainted(),
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
-diff -NurpP --minimal linux-3.9.5/arch/x86/kernel/process.c linux-3.9.5-vs2.3.6.5/arch/x86/kernel/process.c
---- linux-3.9.5/arch/x86/kernel/process.c 2013-05-31 13:44:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/x86/kernel/process.c 2013-06-12 11:02:45.000000000 +0000
-@@ -135,8 +135,8 @@ void show_regs_common(void)
- /* Board Name is optional */
- board = dmi_get_system_info(DMI_BOARD_NAME);
-
-- printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s %s%s%s\n",
-- current->pid, current->comm, print_tainted(),
-+ printk(KERN_DEFAULT "Pid: %d:#%u, comm: %.20s %s %s %.*s %s %s%s%s\n",
-+ current->pid, current->xid, current->comm, print_tainted(),
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version,
-diff -NurpP --minimal linux-3.9.5/arch/x86/syscalls/syscall_32.tbl linux-3.9.5-vs2.3.6.5/arch/x86/syscalls/syscall_32.tbl
---- linux-3.9.5/arch/x86/syscalls/syscall_32.tbl 2013-05-31 13:44:50.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/x86/syscalls/syscall_32.tbl 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/x86/entry/syscalls/syscall_32.tbl linux-4.9.217-vs2.3.9.12/arch/x86/entry/syscalls/syscall_32.tbl
+--- linux-4.9.217/arch/x86/entry/syscalls/syscall_32.tbl 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/x86/entry/syscalls/syscall_32.tbl 2018-10-20 04:58:13.000000000 +0000
@@ -279,7 +279,7 @@
270 i386 tgkill sys_tgkill
271 i386 utimes sys_utimes compat_sys_utimes
274 i386 mbind sys_mbind
275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
276 i386 set_mempolicy sys_set_mempolicy
-diff -NurpP --minimal linux-3.9.5/arch/x86/syscalls/syscall_64.tbl linux-3.9.5-vs2.3.6.5/arch/x86/syscalls/syscall_64.tbl
---- linux-3.9.5/arch/x86/syscalls/syscall_64.tbl 2013-05-31 13:44:50.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/arch/x86/syscalls/syscall_64.tbl 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/arch/x86/entry/syscalls/syscall_64.tbl linux-4.9.217-vs2.3.9.12/arch/x86/entry/syscalls/syscall_64.tbl
+--- linux-4.9.217/arch/x86/entry/syscalls/syscall_64.tbl 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/x86/entry/syscalls/syscall_64.tbl 2018-10-20 04:58:13.000000000 +0000
@@ -242,7 +242,7 @@
233 common epoll_ctl sys_epoll_ctl
234 common tgkill sys_tgkill
237 common mbind sys_mbind
238 common set_mempolicy sys_set_mempolicy
239 common get_mempolicy sys_get_mempolicy
-diff -NurpP --minimal linux-3.9.5/drivers/block/Kconfig linux-3.9.5-vs2.3.6.5/drivers/block/Kconfig
---- linux-3.9.5/drivers/block/Kconfig 2013-05-31 13:44:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/block/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -278,6 +278,13 @@ config BLK_DEV_CRYPTOLOOP
+diff -NurpP --minimal linux-4.9.217/arch/x86/Kconfig linux-4.9.217-vs2.3.9.12/arch/x86/Kconfig
+--- linux-4.9.217/arch/x86/Kconfig 2020-03-27 00:50:45.651048876 +0000
++++ linux-4.9.217-vs2.3.9.12/arch/x86/Kconfig 2019-12-25 15:37:44.298553484 +0000
+@@ -2810,6 +2810,8 @@ source "fs/Kconfig"
- source "drivers/block/drbd/Kconfig"
+ source "arch/x86/Kconfig.debug"
-+config BLK_DEV_VROOT
-+ tristate "Virtual Root device support"
-+ depends on QUOTACTL
-+ ---help---
-+ Saying Y here will allow you to use quota/fs ioctls on a shared
-+ partition within a virtual server without compromising security.
++source "kernel/vserver/Kconfig"
+
- config BLK_DEV_NBD
- tristate "Network block device support"
- depends on NET
-diff -NurpP --minimal linux-3.9.5/drivers/block/Makefile linux-3.9.5-vs2.3.6.5/drivers/block/Makefile
---- linux-3.9.5/drivers/block/Makefile 2013-05-31 13:44:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/block/Makefile 2013-05-31 14:47:11.000000000 +0000
-@@ -33,6 +33,7 @@ obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o
- obj-$(CONFIG_VIODASD) += viodasd.o
- obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
- obj-$(CONFIG_BLK_DEV_HD) += hd.o
-+obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
-
- obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
- obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
-diff -NurpP --minimal linux-3.9.5/drivers/block/loop.c linux-3.9.5-vs2.3.6.5/drivers/block/loop.c
---- linux-3.9.5/drivers/block/loop.c 2013-05-31 13:44:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/block/loop.c 2013-05-31 14:47:11.000000000 +0000
-@@ -76,6 +76,7 @@
- #include <linux/sysfs.h>
- #include <linux/miscdevice.h>
- #include <linux/falloc.h>
-+#include <linux/vs_context.h>
+ source "security/Kconfig"
- #include <asm/uaccess.h>
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.9.217/block/ioprio.c linux-4.9.217-vs2.3.9.12/block/ioprio.c
+--- linux-4.9.217/block/ioprio.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/block/ioprio.c 2018-10-20 04:58:13.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/security.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
-@@ -882,6 +883,7 @@ static int loop_set_fd(struct loop_devic
- lo->lo_blocksize = lo_blocksize;
- lo->lo_device = bdev;
+ int set_task_ioprio(struct task_struct *task, int ioprio)
+ {
+@@ -105,6 +106,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ ret = set_task_ioprio(p, ioprio);
+ if (ret)
+ break;
+@@ -203,6 +206,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
+diff -NurpP --minimal linux-4.9.217/Documentation/vserver/debug.txt linux-4.9.217-vs2.3.9.12/Documentation/vserver/debug.txt
+--- linux-4.9.217/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/Documentation/vserver/debug.txt 2018-10-20 04:58:12.000000000 +0000
+@@ -0,0 +1,154 @@
++
++debug_cvirt:
++
++ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
++ "vx_rmap_tgid: %p/%llx: %d -> %d"
++
++debug_dlim:
++
++ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
++ "FREE (%p,#%d)%c inode"
++ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
++ "FREE (%p,#%d)%c %lld bytes"
++ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
++ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
++ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
++ "rcu_free_dl_info(%p)"
++ 4 10 "alloc_dl_info(%p,%d) = %p"
++ "dealloc_dl_info(%p)"
++ "get_dl_info(%p[#%d.%d])"
++ "put_dl_info(%p[#%d.%d])"
++ 5 20 "alloc_dl_info(%p,%d)*"
++ 6 40 "__hash_dl_info: %p[#%d]"
++ "__unhash_dl_info: %p[#%d]"
++ 7 80 "locate_dl_info(%p,#%d) = %p"
++
++debug_misc:
++
++ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
++ "new_dqhash: %p [#0x%08x]"
++ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
++ "vroot_get_real_bdev not set"
++ 1 2 "cow_break_link(?%s?)"
++ "temp copy ?%s?"
++ 2 4 "dentry_open(new): %p"
++ "dentry_open(old): %p"
++ "lookup_create(new): %p"
++ "old path ?%s?"
++ "path_lookup(old): %d"
++ "vfs_create(new): %d"
++ "vfs_rename: %d"
++ "vfs_sendfile: %d"
++ 3 8 "fput(new_file=%p[#%d])"
++ "fput(old_file=%p[#%d])"
++ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
++ "vx_info_kill(%p[#%d],%d,%d)*"
++ 5 20 "vs_reboot(%p[#%d],%d)"
++ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
++
++debug_net:
++
++ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
++ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
++ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
++ 4 10 "ip_route_connect(%p) %p,%p;%lx"
++ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
++ 6 40 "sk,egf: %p [#%d] (from %d)"
++ "sk,egn: %p [#%d] (from %d)"
++ "sk,req: %p [#%d] (from %d)"
++ "sk: %p [#%d] (from %d)"
++ "tw: %p [#%d] (from %d)"
++ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
++ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
++
++debug_nid:
++
++ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
++ "alloc_nx_info(%d) = %p"
++ "create_nx_info(%d) (dynamic rejected)"
++ "create_nx_info(%d) = %p (already there)"
++ "create_nx_info(%d) = %p (new)"
++ "dealloc_nx_info(%p)"
++ 1 2 "alloc_nx_info(%d)*"
++ "create_nx_info(%d)*"
++ 2 4 "get_nx_info(%p[#%d.%d])"
++ "put_nx_info(%p[#%d.%d])"
++ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
++ "clr_nx_info(%p[#%d.%d])"
++ "init_nx_info(%p[#%d.%d])"
++ "release_nx_info(%p[#%d.%d.%d]) %p"
++ "set_nx_info(%p[#%d.%d])"
++ 4 10 "__hash_nx_info: %p[#%d]"
++ "__nx_dynamic_id: [#%d]"
++ "__unhash_nx_info: %p[#%d.%d.%d]"
++ 5 20 "moved task %p into nxi:%p[#%d]"
++ "nx_migrate_task(%p,%p[#%d.%d.%d])"
++ "task_get_nx_info(%p)"
++ 6 40 "nx_clear_persistent(%p[#%d])"
++
++debug_quota:
++
++ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
++ 1 2 "quota_sync_dqh(%p,%d)"
++ "sync_dquots(%p,%d)"
++ "sync_dquots_dqh(%p,%d)"
++ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
++
++debug_switch:
++
++ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
++ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
++ 4 10 "%s: (%s %s) returned %s with %d"
++
++debug_tag:
++
++ 7 80 "dx_parse_tag(?%s?): %d:#%d"
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
++
++debug_xid:
++
++ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
++ "alloc_vx_info(%d) = %p"
++ "alloc_vx_info(%d)*"
++ "create_vx_info(%d) (dynamic rejected)"
++ "create_vx_info(%d) = %p (already there)"
++ "create_vx_info(%d) = %p (new)"
++ "dealloc_vx_info(%p)"
++ "loc_vx_info(%d) = %p (found)"
++ "loc_vx_info(%d) = %p (new)"
++ "loc_vx_info(%d) = %p (not available)"
++ 1 2 "create_vx_info(%d)*"
++ "loc_vx_info(%d)*"
++ 2 4 "get_vx_info(%p[#%d.%d])"
++ "put_vx_info(%p[#%d.%d])"
++ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
++ "clr_vx_info(%p[#%d.%d])"
++ "init_vx_info(%p[#%d.%d])"
++ "release_vx_info(%p[#%d.%d.%d]) %p"
++ "set_vx_info(%p[#%d.%d])"
++ 4 10 "__hash_vx_info: %p[#%d]"
++ "__unhash_vx_info: %p[#%d.%d.%d]"
++ "__vx_dynamic_id: [#%d]"
++ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
++ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
++ "moved task %p into vxi:%p[#%d]"
++ "task_get_vx_info(%p)"
++ "vx_migrate_task(%p,%p[#%d.%d])"
++ 6 40 "vx_clear_persistent(%p[#%d])"
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_persistent(%p[#%d])"
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
++ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
++
++
++debug_limit:
++
++ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
++ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
++
++ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
++ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
++ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
+diff -NurpP --minimal linux-4.9.217/drivers/block/Kconfig linux-4.9.217-vs2.3.9.12/drivers/block/Kconfig
+--- linux-4.9.217/drivers/block/Kconfig 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/block/Kconfig 2018-10-20 04:58:13.000000000 +0000
+@@ -273,6 +273,13 @@ config BLK_DEV_CRYPTOLOOP
+
+ source "drivers/block/drbd/Kconfig"
+
++config BLK_DEV_VROOT
++ tristate "Virtual Root device support"
++ depends on QUOTACTL
++ ---help---
++ Saying Y here will allow you to use quota/fs ioctls on a shared
++ partition within a virtual server without compromising security.
++
+ config BLK_DEV_NBD
+ tristate "Network block device support"
+ depends on NET
+diff -NurpP --minimal linux-4.9.217/drivers/block/loop.c linux-4.9.217-vs2.3.9.12/drivers/block/loop.c
+--- linux-4.9.217/drivers/block/loop.c 2020-03-27 00:50:48.141009707 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/block/loop.c 2019-12-25 15:37:45.418535409 +0000
+@@ -76,6 +76,7 @@
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
+ #include <linux/uio.h>
++#include <linux/vs_context.h>
+ #include "loop.h"
+
+ #include <asm/uaccess.h>
+@@ -936,6 +937,7 @@ static int loop_set_fd(struct loop_devic
+ lo->lo_blocksize = lo_blocksize;
+ lo->lo_device = bdev;
lo->lo_flags = lo_flags;
+ lo->lo_xid = vx_current_xid();
lo->lo_backing_file = file;
- lo->transfer = transfer_none;
+ lo->transfer = NULL;
lo->ioctl = NULL;
-@@ -1033,6 +1035,7 @@ static int loop_clr_fd(struct loop_devic
+@@ -1056,6 +1058,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_offset = 0;
lo->lo_sizelimit = 0;
lo->lo_encrypt_key_size = 0;
- lo->lo_thread = NULL;
+ lo->lo_xid = 0;
memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-@@ -1076,7 +1079,7 @@ loop_set_status(struct loop_device *lo,
+@@ -1102,7 +1105,7 @@ loop_set_status(struct loop_device *lo,
if (lo->lo_encrypt_key_size &&
!uid_eq(lo->lo_key_owner, uid) &&
return -EPERM;
if (lo->lo_state != Lo_bound)
return -ENXIO;
-@@ -1166,7 +1169,8 @@ loop_get_status(struct loop_device *lo,
+@@ -1207,7 +1210,8 @@ loop_get_status(struct loop_device *lo,
memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);
info->lo_encrypt_type =
lo->lo_encryption ? lo->lo_encryption->number : 0;
info->lo_encrypt_key_size = lo->lo_encrypt_key_size;
memcpy(info->lo_encrypt_key, lo->lo_encrypt_key,
lo->lo_encrypt_key_size);
-@@ -1508,6 +1512,11 @@ static int lo_open(struct block_device *
+@@ -1569,6 +1573,11 @@ static int lo_open(struct block_device *
goto out;
}
+ goto out;
+ }
+
- mutex_lock(&lo->lo_ctl_mutex);
- lo->lo_refcnt++;
- mutex_unlock(&lo->lo_ctl_mutex);
-diff -NurpP --minimal linux-3.9.5/drivers/block/vroot.c linux-3.9.5-vs2.3.6.5/drivers/block/vroot.c
---- linux-3.9.5/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/block/vroot.c 2013-05-31 14:47:11.000000000 +0000
+ atomic_inc(&lo->lo_refcnt);
+ out:
+ mutex_unlock(&loop_index_mutex);
+diff -NurpP --minimal linux-4.9.217/drivers/block/loop.h linux-4.9.217-vs2.3.9.12/drivers/block/loop.h
+--- linux-4.9.217/drivers/block/loop.h 2020-03-27 00:50:48.151009551 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/block/loop.h 2019-10-05 14:58:39.110412393 +0000
+@@ -43,6 +43,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ kuid_t lo_key_owner; /* Who set the key */
++ vxid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
+
+diff -NurpP --minimal linux-4.9.217/drivers/block/Makefile linux-4.9.217-vs2.3.9.12/drivers/block/Makefile
+--- linux-4.9.217/drivers/block/Makefile 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/block/Makefile 2018-10-20 04:58:13.000000000 +0000
+@@ -31,6 +31,7 @@ obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o
+
+ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
+ obj-$(CONFIG_BLK_DEV_HD) += hd.o
++obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+
+ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
+ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
+diff -NurpP --minimal linux-4.9.217/drivers/block/vroot.c linux-4.9.217-vs2.3.9.12/drivers/block/vroot.c
+--- linux-4.9.217/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/block/vroot.c 2018-10-20 04:58:13.000000000 +0000
@@ -0,0 +1,291 @@
+/*
+ * linux/drivers/block/vroot.c
+ *
-+ * written by Herbert Pötzl, 9/11/2002
-+ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004
++ * written by Herbert P?tzl, 9/11/2002
++ * ported to 2.6.10 by Herbert P?tzl, 30/12/2004
+ *
+ * based on the loop.c code by Theodore Ts'o.
+ *
-+ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Copyright (C) 2002-2007 by Herbert P?tzl.
+ * Redistribution of this file is permitted under the
+ * GNU General Public License.
+ *
+ goto out;
+
+ error = -EINVAL;
-+ inode = file->f_dentry->d_inode;
++ inode = file->f_path.dentry->d_inode;
+
+
+ if (S_ISBLK(inode->i_mode)) {
+ return 0;
+}
+
-+static int vr_release(struct gendisk *disk, fmode_t mode)
++static void vr_release(struct gendisk *disk, fmode_t mode)
+{
+ struct vroot_device *vr = disk->private_data;
+
+ down(&vr->vr_ctl_mutex);
+ --vr->vr_refcnt;
+ up(&vr->vr_ctl_mutex);
-+ return 0;
+}
+
+static struct block_device_operations vr_fops = {
+ .ioctl = vr_ioctl,
+};
+
-+static void vroot_make_request(struct request_queue *q, struct bio *bio)
++static blk_qc_t vroot_make_request(struct request_queue *q, struct bio *bio)
+{
+ printk("vroot_make_request %p, %p\n", q, bio);
+ bio_io_error(bio);
++ return BLK_QC_T_NONE;
+}
+
+struct block_device *__vroot_get_real_bdev(struct block_device *bdev)
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR);
+
-+MODULE_AUTHOR ("Herbert Pötzl");
++MODULE_AUTHOR ("Herbert P?tzl");
+MODULE_DESCRIPTION ("Virtual Root Device Mapper");
+
+
+
+#endif
+
-diff -NurpP --minimal linux-3.9.5/drivers/infiniband/Kconfig linux-3.9.5-vs2.3.6.5/drivers/infiniband/Kconfig
---- linux-3.9.5/drivers/infiniband/Kconfig 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/infiniband/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -39,7 +39,7 @@ config INFINIBAND_USER_MEM
- config INFINIBAND_ADDR_TRANS
- bool
- depends on INET
-- depends on !(INFINIBAND = y && IPV6 = m)
-+ depends on !(INFINIBAND = y && IPV6 = y)
- default y
-
- source "drivers/infiniband/hw/mthca/Kconfig"
-diff -NurpP --minimal linux-3.9.5/drivers/infiniband/core/addr.c linux-3.9.5-vs2.3.6.5/drivers/infiniband/core/addr.c
---- linux-3.9.5/drivers/infiniband/core/addr.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/infiniband/core/addr.c 2013-05-31 14:47:11.000000000 +0000
-@@ -261,7 +261,7 @@ static int addr6_resolve(struct sockaddr
-
- if (ipv6_addr_any(&fl6.saddr)) {
- ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
-- &fl6.daddr, 0, &fl6.saddr);
-+ &fl6.daddr, 0, &fl6.saddr, NULL);
- if (ret)
- goto put;
-
-diff -NurpP --minimal linux-3.9.5/drivers/md/dm-ioctl.c linux-3.9.5-vs2.3.6.5/drivers/md/dm-ioctl.c
---- linux-3.9.5/drivers/md/dm-ioctl.c 2013-05-31 13:44:59.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/md/dm-ioctl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -16,6 +16,7 @@
- #include <linux/dm-ioctl.h>
- #include <linux/hdreg.h>
- #include <linux/compat.h>
-+#include <linux/vs_context.h>
-
- #include <asm/uaccess.h>
-
-@@ -106,7 +107,8 @@ static struct hash_cell *__get_name_cell
- unsigned int h = hash_str(str);
+diff -NurpP --minimal linux-4.9.217/drivers/md/dm.c linux-4.9.217-vs2.3.9.12/drivers/md/dm.c
+--- linux-4.9.217/drivers/md/dm.c 2020-03-27 00:50:57.810857303 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/md/dm.c 2020-04-01 09:40:21.845577638 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/wait.h>
+ #include <linux/pr.h>
+ #include <linux/vmalloc.h>
++#include <linux/vs_base.h>
- list_for_each_entry (hc, _name_buckets + h, name_list)
-- if (!strcmp(hc->name, str)) {
-+ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
-+ !strcmp(hc->name, str)) {
- dm_get(hc->md);
- return hc;
- }
-@@ -120,7 +122,8 @@ static struct hash_cell *__get_uuid_cell
- unsigned int h = hash_str(str);
+ #define DM_MSG_PREFIX "core"
- list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
-- if (!strcmp(hc->uuid, str)) {
-+ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
-+ !strcmp(hc->uuid, str)) {
- dm_get(hc->md);
- return hc;
- }
-@@ -131,13 +134,15 @@ static struct hash_cell *__get_uuid_cell
- static struct hash_cell *__get_dev_cell(uint64_t dev)
+@@ -300,6 +301,7 @@ int dm_deleting_md(struct mapped_device
+ static int dm_blk_open(struct block_device *bdev, fmode_t mode)
{
struct mapped_device *md;
-- struct hash_cell *hc;
-+ struct hash_cell *hc = NULL;
++ int ret = -ENXIO;
- md = dm_get_md(huge_decode_dev(dev));
- if (!md)
- return NULL;
+ spin_lock(&_minor_lock);
-- hc = dm_get_mdptr(md);
-+ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
-+ hc = dm_get_mdptr(md);
-+
- if (!hc) {
- dm_put(md);
- return NULL;
-@@ -445,6 +450,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
-
- static int remove_all(struct dm_ioctl *param, size_t param_size)
- {
-+ if (!vx_check(0, VS_ADMIN))
-+ return -EPERM;
-+
- dm_hash_remove_all(1);
- param->data_size = 0;
- return 0;
-@@ -492,6 +500,8 @@ static int list_devices(struct dm_ioctl
- */
- for (i = 0; i < NUM_BUCKETS; i++) {
- list_for_each_entry (hc, _name_buckets + i, name_list) {
-+ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
-+ continue;
- needed += sizeof(struct dm_name_list);
- needed += strlen(hc->name) + 1;
- needed += ALIGN_MASK;
-@@ -515,6 +525,8 @@ static int list_devices(struct dm_ioctl
- */
- for (i = 0; i < NUM_BUCKETS; i++) {
- list_for_each_entry (hc, _name_buckets + i, name_list) {
-+ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
-+ continue;
- if (old_nl)
- old_nl->next = (uint32_t) ((void *) nl -
- (void *) old_nl);
-@@ -1722,8 +1734,8 @@ static int ctl_ioctl(uint command, struc
- size_t input_param_size;
- struct dm_ioctl param_kernel;
-
-- /* only root can play with this */
-- if (!capable(CAP_SYS_ADMIN))
-+ /* only root and certain contexts can play with this */
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
- return -EACCES;
-
- if (_IOC_TYPE(command) != DM_IOCTL)
-diff -NurpP --minimal linux-3.9.5/drivers/md/dm.c linux-3.9.5-vs2.3.6.5/drivers/md/dm.c
---- linux-3.9.5/drivers/md/dm.c 2013-05-31 13:44:59.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/md/dm.c 2013-06-12 23:49:08.000000000 +0000
-@@ -19,6 +19,7 @@
- #include <linux/idr.h>
- #include <linux/hdreg.h>
- #include <linux/delay.h>
-+#include <linux/vs_base.h>
-
- #include <trace/events/block.h>
-
-@@ -125,6 +126,7 @@ struct mapped_device {
- rwlock_t map_lock;
- atomic_t holders;
- atomic_t open_count;
-+ vxid_t xid;
-
- unsigned long flags;
-
-@@ -317,6 +319,7 @@ int dm_deleting_md(struct mapped_device
- static int dm_blk_open(struct block_device *bdev, fmode_t mode)
- {
- struct mapped_device *md;
-+ int ret = -ENXIO;
-
- spin_lock(&_minor_lock);
-
-@@ -325,18 +328,19 @@ static int dm_blk_open(struct block_devi
- goto out;
+@@ -308,17 +310,19 @@ static int dm_blk_open(struct block_devi
+ goto out;
if (test_bit(DMF_FREEING, &md->flags) ||
- dm_deleting_md(md)) {
dm_get(md);
atomic_inc(&md->open_count);
--
+ ret = 0;
out:
spin_unlock(&_minor_lock);
+ return ret;
}
- static int dm_blk_close(struct gendisk *disk, fmode_t mode)
-@@ -547,6 +551,14 @@ int dm_set_geometry(struct mapped_device
+ static void dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -744,6 +748,14 @@ int dm_set_geometry(struct mapped_device
return 0;
}
/*-----------------------------------------------------------------
* CRUD START:
* A more elegant soln is in the works that uses the queue
-@@ -1884,6 +1896,7 @@ static struct mapped_device *alloc_dev(i
+@@ -1549,6 +1561,7 @@ static struct mapped_device *alloc_dev(i
INIT_LIST_HEAD(&md->uevent_list);
+ INIT_LIST_HEAD(&md->table_devices);
spin_lock_init(&md->uevent_lock);
-
+ md->xid = vx_current_xid();
- md->queue = blk_alloc_queue(GFP_KERNEL);
+
+ md->queue = blk_alloc_queue_node(GFP_KERNEL, numa_node_id);
if (!md->queue)
- goto bad_queue;
-diff -NurpP --minimal linux-3.9.5/drivers/md/dm.h linux-3.9.5-vs2.3.6.5/drivers/md/dm.h
---- linux-3.9.5/drivers/md/dm.h 2013-02-19 13:57:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/md/dm.h 2013-06-12 23:49:08.000000000 +0000
-@@ -46,6 +46,8 @@ struct dm_dev_internal {
+diff -NurpP --minimal linux-4.9.217/drivers/md/dm-core.h linux-4.9.217-vs2.3.9.12/drivers/md/dm-core.h
+--- linux-4.9.217/drivers/md/dm-core.h 2020-03-27 00:50:57.740858403 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/md/dm-core.h 2018-10-20 04:58:13.000000000 +0000
+@@ -52,6 +52,7 @@ struct mapped_device {
+
+ atomic_t holders;
+ atomic_t open_count;
++ vxid_t xid;
+
+ struct dm_target *immutable_target;
+ struct target_type *immutable_target_type;
+diff -NurpP --minimal linux-4.9.217/drivers/md/dm.h linux-4.9.217-vs2.3.9.12/drivers/md/dm.h
+--- linux-4.9.217/drivers/md/dm.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/md/dm.h 2018-10-20 04:58:13.000000000 +0000
+@@ -45,6 +45,8 @@ struct dm_dev_internal {
struct dm_table;
struct dm_md_mempools;
/*-----------------------------------------------------------------
* Internal table functions.
*---------------------------------------------------------------*/
-diff -NurpP --minimal linux-3.9.5/drivers/net/tun.c linux-3.9.5-vs2.3.6.5/drivers/net/tun.c
---- linux-3.9.5/drivers/net/tun.c 2013-06-11 12:22:38.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/net/tun.c 2013-06-12 23:49:08.000000000 +0000
-@@ -64,6 +64,7 @@
+diff -NurpP --minimal linux-4.9.217/drivers/md/dm-ioctl.c linux-4.9.217-vs2.3.9.12/drivers/md/dm-ioctl.c
+--- linux-4.9.217/drivers/md/dm-ioctl.c 2020-03-27 00:50:57.760858091 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/md/dm-ioctl.c 2019-02-22 08:37:51.173126752 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -114,7 +115,8 @@ static struct hash_cell *__get_name_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _name_buckets + h, name_list)
+- if (!strcmp(hc->name, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->name, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -128,7 +130,8 @@ static struct hash_cell *__get_uuid_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
+- if (!strcmp(hc->uuid, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -139,13 +142,15 @@ static struct hash_cell *__get_uuid_cell
+ static struct hash_cell *__get_dev_cell(uint64_t dev)
+ {
+ struct mapped_device *md;
+- struct hash_cell *hc;
++ struct hash_cell *hc = NULL;
+
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
+
+- hc = dm_get_mdptr(md);
++ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
++ hc = dm_get_mdptr(md);
++
+ if (!hc) {
+ dm_put(md);
+ return NULL;
+@@ -467,6 +472,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
+
+ static int remove_all(struct dm_ioctl *param, size_t param_size)
+ {
++ if (!vx_check(0, VS_ADMIN))
++ return -EPERM;
++
+ dm_hash_remove_all(true, !!(param->flags & DM_DEFERRED_REMOVE), false);
+ param->data_size = 0;
+ return 0;
+@@ -514,6 +522,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ needed += sizeof(struct dm_name_list);
+ needed += strlen(hc->name) + 1;
+ needed += ALIGN_MASK;
+@@ -537,6 +547,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ if (old_nl)
+ old_nl->next = (uint32_t) ((void *) nl -
+ (void *) old_nl);
+@@ -1799,8 +1811,8 @@ static int ctl_ioctl(uint command, struc
+ size_t input_param_size;
+ struct dm_ioctl param_kernel;
+
+- /* only root can play with this */
+- if (!capable(CAP_SYS_ADMIN))
++ /* only root and certain contexts can play with this */
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
+ return -EACCES;
+
+ if (_IOC_TYPE(command) != DM_IOCTL)
+diff -NurpP --minimal linux-4.9.217/drivers/net/tun.c linux-4.9.217-vs2.3.9.12/drivers/net/tun.c
+--- linux-4.9.217/drivers/net/tun.c 2020-03-27 00:51:04.880745870 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/net/tun.c 2020-04-01 09:40:23.915543339 +0000
+@@ -65,6 +65,7 @@
#include <linux/nsproxy.h>
#include <linux/virtio_net.h>
#include <linux/rcupdate.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/rtnetlink.h>
-@@ -164,6 +165,7 @@ struct tun_struct {
+@@ -194,6 +195,7 @@ struct tun_struct {
unsigned int flags;
kuid_t owner;
kgid_t group;
struct net_device *dev;
netdev_features_t set_features;
-@@ -380,6 +382,7 @@ static inline bool tun_not_capable(struc
+@@ -490,6 +492,7 @@ static inline bool tun_not_capable(struc
return ((uid_valid(tun->owner) && !uid_eq(cred->euid, tun->owner)) ||
(gid_valid(tun->group) && !in_egroup_p(tun->group))) &&
!ns_capable(net->user_ns, CAP_NET_ADMIN);
}
static void tun_set_real_num_queues(struct tun_struct *tun)
-@@ -1404,6 +1407,7 @@ static void tun_setup(struct net_device
+@@ -1569,6 +1572,7 @@ static void tun_setup(struct net_device
tun->owner = INVALID_UID;
tun->group = INVALID_GID;
dev->ethtool_ops = &tun_ethtool_ops;
dev->destructor = tun_free_netdev;
-@@ -1591,6 +1595,9 @@ static int tun_set_iff(struct net *net,
- if (err < 0)
- return err;
-
-+ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
-+ return -EPERM;
-+
- err = tun_attach(tun, file);
- if (err < 0)
- return err;
-@@ -1605,7 +1612,7 @@ static int tun_set_iff(struct net *net,
+@@ -1782,7 +1786,7 @@ static int tun_set_iff(struct net *net,
int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?
MAX_TAP_QUEUES : 1;
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
-+ if (!vx_ns_capable(net->user_ns, CAP_NET_ADMIN, NXC_TUN_CREATE))
++ if (!nx_ns_capable(net->user_ns, CAP_NET_ADMIN, NXC_TUN_CREATE))
return -EPERM;
err = security_tun_dev_create();
if (err < 0)
-@@ -1950,6 +1957,16 @@ static long __tun_chr_ioctl(struct file
+@@ -2151,6 +2155,16 @@ static long __tun_chr_ioctl(struct file
from_kgid(&init_user_ns, tun->group));
break;
case TUNSETLINK:
/* Only allow setting the type when the interface is down */
if (tun->dev->flags & IFF_UP) {
-diff -NurpP --minimal linux-3.9.5/drivers/tty/sysrq.c linux-3.9.5-vs2.3.6.5/drivers/tty/sysrq.c
---- linux-3.9.5/drivers/tty/sysrq.c 2013-05-31 13:45:19.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/tty/sysrq.c 2013-05-31 15:08:19.000000000 +0000
-@@ -43,6 +43,7 @@
- #include <linux/input.h>
- #include <linux/uaccess.h>
- #include <linux/moduleparam.h>
+diff -NurpP --minimal linux-4.9.217/drivers/scsi/cxgbi/libcxgbi.c linux-4.9.217-vs2.3.9.12/drivers/scsi/cxgbi/libcxgbi.c
+--- linux-4.9.217/drivers/scsi/cxgbi/libcxgbi.c 2020-03-27 00:51:09.110679202 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/scsi/cxgbi/libcxgbi.c 2020-04-01 09:40:26.325503408 +0000
+@@ -777,7 +777,8 @@ static struct cxgbi_sock *cxgbi_check_ro
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry *)rt);
+
+ err = ipv6_dev_get_saddr(&init_net, idev ? idev->dev : NULL,
+- &daddr6->sin6_addr, 0, &pref_saddr);
++ &daddr6->sin6_addr, 0, &pref_saddr,
++ NULL);
+ if (err) {
+ pr_info("failed to get source address to reach %pI6\n",
+ &daddr6->sin6_addr);
+diff -NurpP --minimal linux-4.9.217/drivers/tty/sysrq.c linux-4.9.217-vs2.3.9.12/drivers/tty/sysrq.c
+--- linux-4.9.217/drivers/tty/sysrq.c 2020-03-27 00:51:14.160599611 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/tty/sysrq.c 2020-04-01 09:40:27.395485676 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/of.h>
+ #include <linux/rcupdate.h>
+#include <linux/vserver/debug.h>
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
-@@ -401,6 +402,21 @@ static struct sysrq_key_op sysrq_unrt_op
+@@ -428,6 +429,21 @@ static struct sysrq_key_op sysrq_unrt_op
.enable_mask = SYSRQ_ENABLE_RTNICE,
};
/* Key Operations table and lock */
static DEFINE_SPINLOCK(sysrq_key_table_lock);
-@@ -456,7 +472,11 @@ static struct sysrq_key_op *sysrq_key_ta
- &sysrq_showstate_blocked_op, /* w */
+@@ -484,7 +500,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ /* x: May be registered on mips for TLB dump */
/* x: May be registered on ppc/powerpc for xmon */
/* x: May be registered on sparc64 for global PMU dump */
+#ifdef CONFIG_VSERVER_DEBUG
/* y: May be registered on sparc64 for global register dump */
NULL, /* y */
&sysrq_ftrace_dump_op, /* z */
-@@ -471,6 +491,8 @@ static int sysrq_key_table_key2index(int
+@@ -499,6 +519,8 @@ static int sysrq_key_table_key2index(int
retval = key - '0';
else if ((key >= 'a') && (key <= 'z'))
retval = key + 10 - 'a';
else
retval = -1;
return retval;
-diff -NurpP --minimal linux-3.9.5/drivers/tty/tty_io.c linux-3.9.5-vs2.3.6.5/drivers/tty/tty_io.c
---- linux-3.9.5/drivers/tty/tty_io.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/drivers/tty/tty_io.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/drivers/tty/tty_io.c linux-4.9.217-vs2.3.9.12/drivers/tty/tty_io.c
+--- linux-4.9.217/drivers/tty/tty_io.c 2020-03-27 00:51:14.190599135 +0000
++++ linux-4.9.217-vs2.3.9.12/drivers/tty/tty_io.c 2019-10-05 14:58:43.980334565 +0000
@@ -104,6 +104,7 @@
#include <linux/kmod.h>
+#include <linux/vs_pid.h>
#undef TTY_DEBUG_HANGUP
-
-@@ -2144,7 +2145,8 @@ static int tiocsti(struct tty_struct *tt
+ #ifdef TTY_DEBUG_HANGUP
+@@ -2318,7 +2319,8 @@ static int tiocsti(struct tty_struct *tt
char ch, mbz = 0;
struct tty_ldisc *ld;
return -EPERM;
if (get_user(ch, p))
return -EFAULT;
-@@ -2432,6 +2434,7 @@ static int tiocspgrp(struct tty_struct *
+@@ -2634,6 +2636,7 @@ static int tiocspgrp(struct tty_struct *
return -ENOTTY;
if (get_user(pgrp_nr, p))
return -EFAULT;
if (pgrp_nr < 0)
return -EINVAL;
rcu_read_lock();
-diff -NurpP --minimal linux-3.9.5/fs/attr.c linux-3.9.5-vs2.3.6.5/fs/attr.c
---- linux-3.9.5/fs/attr.c 2013-02-19 13:58:46.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/attr.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/attr.c linux-4.9.217-vs2.3.9.12/fs/attr.c
+--- linux-4.9.217/fs/attr.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/attr.c 2018-10-20 04:58:13.000000000 +0000
@@ -15,6 +15,9 @@
#include <linux/security.h>
#include <linux/evm.h>
+#include <linux/vs_tag.h>
/**
- * inode_change_ok - check if attribute changes to an inode are allowed
-@@ -77,6 +80,10 @@ int inode_change_ok(const struct inode *
- return -EPERM;
+ * setattr_prepare - check if attribute changes to a dentry are allowed
+@@ -90,6 +93,10 @@ kill_priv:
+ return error;
}
+ /* check for inode tag permission */
+
return 0;
}
- EXPORT_SYMBOL(inode_change_ok);
-@@ -147,6 +154,8 @@ void setattr_copy(struct inode *inode, c
+ EXPORT_SYMBOL(setattr_prepare);
+@@ -160,6 +167,8 @@ void setattr_copy(struct inode *inode, c
inode->i_uid = attr->ia_uid;
if (ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
if (ia_valid & ATTR_ATIME)
inode->i_atime = timespec_trunc(attr->ia_atime,
inode->i_sb->s_time_gran);
-@@ -177,7 +186,8 @@ int notify_change(struct dentry * dentry
+@@ -210,7 +219,8 @@ int notify_change(struct dentry * dentry
- WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
+ WARN_ON_ONCE(!inode_is_locked(inode));
- if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
+ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID |
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
}
-diff -NurpP --minimal linux-3.9.5/fs/block_dev.c linux-3.9.5-vs2.3.6.5/fs/block_dev.c
---- linux-3.9.5/fs/block_dev.c 2013-05-31 13:45:22.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/block_dev.c 2013-05-31 14:47:11.000000000 +0000
-@@ -27,6 +27,7 @@
- #include <linux/namei.h>
- #include <linux/log2.h>
- #include <linux/cleancache.h>
+diff -NurpP --minimal linux-4.9.217/fs/block_dev.c linux-4.9.217-vs2.3.9.12/fs/block_dev.c
+--- linux-4.9.217/fs/block_dev.c 2020-03-27 00:51:17.200551698 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/block_dev.c 2019-02-22 08:37:54.463070814 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/dax.h>
+ #include <linux/badblocks.h>
+ #include <linux/falloc.h>
+#include <linux/vs_device.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -528,6 +529,7 @@ struct block_device *bdget(dev_t dev)
+@@ -734,6 +735,7 @@ struct block_device *bdget(dev_t dev)
bdev->bd_invalidated = 0;
inode->i_mode = S_IFBLK;
inode->i_rdev = dev;
inode->i_bdev = bdev;
inode->i_data.a_ops = &def_blk_aops;
mapping_set_gfp_mask(&inode->i_data, GFP_USER);
-@@ -575,6 +577,11 @@ EXPORT_SYMBOL(bdput);
+@@ -780,6 +782,11 @@ EXPORT_SYMBOL(bdput);
static struct block_device *bd_acquire(struct inode *inode)
{
struct block_device *bdev;
spin_lock(&bdev_lock);
bdev = inode->i_bdev;
-@@ -585,7 +592,7 @@ static struct block_device *bd_acquire(s
+@@ -790,7 +797,7 @@ static struct block_device *bd_acquire(s
}
spin_unlock(&bdev_lock);
if (bdev) {
spin_lock(&bdev_lock);
if (!inode->i_bdev) {
-diff -NurpP --minimal linux-3.9.5/fs/btrfs/ctree.h linux-3.9.5-vs2.3.6.5/fs/btrfs/ctree.h
---- linux-3.9.5/fs/btrfs/ctree.h 2013-05-31 13:45:22.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/btrfs/ctree.h 2013-05-31 14:47:11.000000000 +0000
-@@ -705,11 +705,14 @@ struct btrfs_inode_item {
- /* modification sequence number for NFS */
- __le64 sequence;
-
-+ __le16 tag;
- /*
- * a little future expansion, for more than this we can
- * just grow the inode item and version it
- */
-- __le64 reserved[4];
-+ __le16 reserved16;
-+ __le32 reserved32;
-+ __le64 reserved[3];
- struct btrfs_timespec atime;
- struct btrfs_timespec ctime;
- struct btrfs_timespec mtime;
-@@ -1901,6 +1904,8 @@ struct btrfs_ioctl_defrag_range_args {
- #define BTRFS_MOUNT_CHECK_INTEGRITY_INCLUDING_EXTENT_DATA (1 << 21)
- #define BTRFS_MOUNT_PANIC_ON_FATAL_ERROR (1 << 22)
+diff -NurpP --minimal linux-4.9.217/fs/btrfs/ctree.h linux-4.9.217-vs2.3.9.12/fs/btrfs/ctree.h
+--- linux-4.9.217/fs/btrfs/ctree.h 2020-03-27 00:51:17.270550595 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/btrfs/ctree.h 2020-04-01 09:40:28.245471591 +0000
+@@ -1319,6 +1319,8 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(c
+ #define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
+ #define BTRFS_DEFAULT_MAX_INLINE (2048)
+#define BTRFS_MOUNT_TAGGED (1 << 24)
+
#define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
#define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
#define btrfs_raw_test_opt(o, opt) ((o) & BTRFS_MOUNT_##opt)
-@@ -2170,6 +2175,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+@@ -1669,6 +1671,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
-@@ -2223,6 +2229,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+@@ -1716,6 +1719,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
-@@ -3581,6 +3591,7 @@ extern const struct dentry_operations bt
- long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+@@ -3199,6 +3206,7 @@ int btrfs_ioctl_get_supported_features(v
void btrfs_update_iflags(struct inode *inode);
void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
+ int btrfs_is_empty_uuid(u8 *uuid);
+int btrfs_sync_flags(struct inode *inode, int, int);
int btrfs_defrag_file(struct inode *inode, struct file *file,
struct btrfs_ioctl_defrag_range_args *range,
u64 newer_than, unsigned long max_pages);
-diff -NurpP --minimal linux-3.9.5/fs/btrfs/disk-io.c linux-3.9.5-vs2.3.6.5/fs/btrfs/disk-io.c
---- linux-3.9.5/fs/btrfs/disk-io.c 2013-05-31 13:45:22.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/btrfs/disk-io.c 2013-05-31 14:47:11.000000000 +0000
-@@ -2258,6 +2258,9 @@ int open_ctree(struct super_block *sb,
+diff -NurpP --minimal linux-4.9.217/fs/btrfs/disk-io.c linux-4.9.217-vs2.3.9.12/fs/btrfs/disk-io.c
+--- linux-4.9.217/fs/btrfs/disk-io.c 2020-03-27 00:51:17.290550279 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/btrfs/disk-io.c 2020-04-01 09:40:28.245471591 +0000
+@@ -2705,6 +2705,9 @@ int open_ctree(struct super_block *sb,
goto fail_alloc;
}
-+ if (btrfs_test_opt(tree_root, TAGGED))
++ if (btrfs_test_opt(fs_info, TAGGED))
+ sb->s_flags |= MS_TAGGED;
+
features = btrfs_super_incompat_flags(disk_super) &
~BTRFS_FEATURE_INCOMPAT_SUPP;
if (features) {
-diff -NurpP --minimal linux-3.9.5/fs/btrfs/inode.c linux-3.9.5-vs2.3.6.5/fs/btrfs/inode.c
---- linux-3.9.5/fs/btrfs/inode.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/btrfs/inode.c 2013-06-03 19:37:03.000000000 +0000
-@@ -41,6 +41,7 @@
- #include <linux/mount.h>
- #include <linux/btrfs.h>
+diff -NurpP --minimal linux-4.9.217/fs/btrfs/inode.c linux-4.9.217-vs2.3.9.12/fs/btrfs/inode.c
+--- linux-4.9.217/fs/btrfs/inode.c 2020-03-27 00:51:17.350549330 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/btrfs/inode.c 2020-04-01 09:40:28.265471261 +0000
+@@ -43,6 +43,7 @@
#include <linux/blkdev.h>
+ #include <linux/posix_acl_xattr.h>
+ #include <linux/uio.h>
+#include <linux/vs_tag.h>
- #include "compat.h"
#include "ctree.h"
#include "disk-io.h"
-@@ -3312,6 +3313,9 @@ static void btrfs_read_locked_inode(stru
- struct btrfs_key location;
+ #include "transaction.h"
+@@ -3701,6 +3702,9 @@ static int btrfs_read_locked_inode(struc
+ unsigned long ptr;
int maybe_acls;
u32 rdev;
+ kuid_t kuid;
+ ktag_t ktag;
int ret;
bool filled = false;
-
-@@ -3339,8 +3343,14 @@ static void btrfs_read_locked_inode(stru
+ int first_xattr_slot;
+@@ -3733,8 +3737,14 @@ static int btrfs_read_locked_inode(struc
struct btrfs_inode_item);
inode->i_mode = btrfs_inode_mode(leaf, inode_item);
set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
+ inode->i_tag = INOTAG_KTAG(DX_TAG(inode), kuid, kgid, ktag);
btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
- tspec = btrfs_inode_atime(inode_item);
-@@ -3431,11 +3441,18 @@ static void fill_inode_item(struct btrfs
+ inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);
+@@ -3889,11 +3899,18 @@ static void fill_inode_item(struct btrfs
struct inode *inode)
{
struct btrfs_map_token token;
btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,
&token);
btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);
-@@ -8683,11 +8700,13 @@ static const struct inode_operations btr
+@@ -10646,6 +10663,7 @@ static const struct inode_operations btr
+ .mknod = btrfs_mknod,
.listxattr = btrfs_listxattr,
- .removexattr = btrfs_removexattr,
.permission = btrfs_permission,
+ .sync_flags = btrfs_sync_flags,
.get_acl = btrfs_get_acl,
- };
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+@@ -10654,6 +10672,7 @@ static const struct inode_operations btr
static const struct inode_operations btrfs_dir_ro_inode_operations = {
.lookup = btrfs_lookup,
.permission = btrfs_permission,
+ .sync_flags = btrfs_sync_flags,
- .get_acl = btrfs_get_acl,
+ .update_time = btrfs_update_time,
};
-diff -NurpP --minimal linux-3.9.5/fs/btrfs/ioctl.c linux-3.9.5-vs2.3.6.5/fs/btrfs/ioctl.c
---- linux-3.9.5/fs/btrfs/ioctl.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/btrfs/ioctl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -75,10 +75,13 @@ static unsigned int btrfs_flags_to_ioctl
+@@ -10719,6 +10738,7 @@ static const struct inode_operations btr
+ .listxattr = btrfs_listxattr,
+ .permission = btrfs_permission,
+ .fiemap = btrfs_fiemap,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+diff -NurpP --minimal linux-4.9.217/fs/btrfs/ioctl.c linux-4.9.217-vs2.3.9.12/fs/btrfs/ioctl.c
+--- linux-4.9.217/fs/btrfs/ioctl.c 2020-03-27 00:51:17.350549330 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/btrfs/ioctl.c 2020-04-01 09:40:28.265471261 +0000
+@@ -110,10 +110,13 @@ static unsigned int btrfs_flags_to_ioctl
{
unsigned int iflags = 0;
if (flags & BTRFS_INODE_APPEND)
iflags |= FS_APPEND_FL;
if (flags & BTRFS_INODE_NODUMP)
-@@ -95,28 +98,78 @@ static unsigned int btrfs_flags_to_ioctl
- else if (flags & BTRFS_INODE_NOCOMPRESS)
- iflags |= FS_NOCOMP_FL;
+@@ -130,34 +133,84 @@ static unsigned int btrfs_flags_to_ioctl
+ else if (flags & BTRFS_INODE_COMPRESS)
+ iflags |= FS_COMPR_FL;
+ if (flags & BTRFS_INODE_BARRIER)
+ iflags |= FS_BARRIER_FL;
void btrfs_update_iflags(struct inode *inode)
{
struct btrfs_inode *ip = BTRFS_I(inode);
-
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+ unsigned int new_fl = 0;
- if (ip->flags & BTRFS_INODE_SYNC)
-- inode->i_flags |= S_SYNC;
+- new_fl |= S_SYNC;
if (ip->flags & BTRFS_INODE_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
+ new_fl |= S_IMMUTABLE;
+ if (ip->flags & BTRFS_INODE_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
++ new_fl |= S_IXUNLINK;
+
+ if (ip->flags & BTRFS_INODE_SYNC)
-+ inode->i_flags |= S_SYNC;
++ new_fl |= S_SYNC;
if (ip->flags & BTRFS_INODE_APPEND)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
if (ip->flags & BTRFS_INODE_NOATIME)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (ip->flags & BTRFS_INODE_DIRSYNC)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+ new_fl |= S_DIRSYNC;
+-
+ set_mask_bits(&inode->i_flags,
+- S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | S_DIRSYNC,
++ S_SYNC | S_APPEND | S_IMMUTABLE | S_IXUNLINK | S_NOATIME | S_DIRSYNC,
+ new_fl);
+
++ new_fl = 0;
+ if (ip->flags & BTRFS_INODE_BARRIER)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (ip->flags & BTRFS_INODE_COW)
-+ inode->i_vflags |= V_COW;
-+}
++ new_fl |= V_COW;
+
-+/*
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
+ }
+
+ /*
+ * Update btrfs internal flags from inode->i_(v)flags.
+ */
+void btrfs_update_flags(struct inode *inode)
+ ip->flags |= BTRFS_INODE_BARRIER;
+ if (vflags & V_COW)
+ ip->flags |= BTRFS_INODE_COW;
- }
-
- /*
-@@ -132,6 +185,7 @@ void btrfs_inherit_iflags(struct inode *
++ }
++
++/*
+ * Inherit flags from the parent inode.
+ *
+ * Currently only the compression flags and the cow flags are inherited.
+@@ -170,6 +223,7 @@ void btrfs_inherit_iflags(struct inode *
return;
flags = BTRFS_I(dir)->flags;
if (flags & BTRFS_INODE_NOCOMPRESS) {
BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
-@@ -150,6 +204,30 @@ void btrfs_inherit_iflags(struct inode *
+@@ -188,6 +242,30 @@ void btrfs_inherit_iflags(struct inode *
btrfs_update_iflags(inode);
}
static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
{
struct btrfs_inode *ip = BTRFS_I(file_inode(file));
-@@ -212,21 +290,27 @@ static int btrfs_ioctl_setflags(struct f
+@@ -250,21 +328,27 @@ static int btrfs_ioctl_setflags(struct f
flags = btrfs_mask_flags(inode->i_mode, flags);
oldflags = btrfs_flags_to_ioctl(ip->flags);
if (flags & FS_APPEND_FL)
ip->flags |= BTRFS_INODE_APPEND;
else
-diff -NurpP --minimal linux-3.9.5/fs/btrfs/super.c linux-3.9.5-vs2.3.6.5/fs/btrfs/super.c
---- linux-3.9.5/fs/btrfs/super.c 2013-05-31 13:45:22.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/btrfs/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -321,7 +321,7 @@ enum {
- Opt_no_space_cache, Opt_recovery, Opt_skip_balance,
- Opt_check_integrity, Opt_check_integrity_including_extent_data,
- Opt_check_integrity_print_mask, Opt_fatal_errors,
+diff -NurpP --minimal linux-4.9.217/fs/btrfs/super.c linux-4.9.217-vs2.3.9.12/fs/btrfs/super.c
+--- linux-4.9.217/fs/btrfs/super.c 2020-03-27 00:51:17.390548703 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/btrfs/super.c 2020-04-01 09:40:28.265471261 +0000
+@@ -327,7 +327,7 @@ enum {
+ #ifdef CONFIG_BTRFS_DEBUG
+ Opt_fragment_data, Opt_fragment_metadata, Opt_fragment_all,
+ #endif
- Opt_err,
+ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
};
- static match_table_t tokens = {
-@@ -361,6 +361,9 @@ static match_table_t tokens = {
- {Opt_check_integrity_including_extent_data, "check_int_data"},
- {Opt_check_integrity_print_mask, "check_int_print_mask=%d"},
- {Opt_fatal_errors, "fatal_errors=%s"},
+ static const match_table_t tokens = {
+@@ -388,6 +388,9 @@ static const match_table_t tokens = {
+ {Opt_fragment_metadata, "fragment=metadata"},
+ {Opt_fragment_all, "fragment=all"},
+ #endif
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL},
};
-@@ -626,6 +629,22 @@ int btrfs_parse_options(struct btrfs_roo
- goto out;
- }
+@@ -833,6 +836,22 @@ int btrfs_parse_options(struct btrfs_roo
+ btrfs_set_opt(info->mount_opt, FRAGMENT_DATA);
break;
+ #endif
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
+ printk(KERN_INFO "btrfs: use tagging\n");
+ break;
+#endif
case Opt_err:
- printk(KERN_INFO "btrfs: unrecognized mount option "
- "'%s'\n", p);
-@@ -1258,6 +1277,12 @@ static int btrfs_remount(struct super_bl
+ btrfs_info(root->fs_info,
+ "unrecognized mount option '%s'", p);
+@@ -1754,6 +1773,12 @@ static int btrfs_remount(struct super_bl
btrfs_resize_thread_pool(fs_info,
fs_info->thread_pool_size, old_thread_pool_size);
-+ if (btrfs_test_opt(root, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ if (btrfs_test_opt(fs_info, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
+ printk("btrfs: %s: tagging not permitted on remount.\n",
+ sb->s_id);
+ return -EINVAL;
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
goto out;
-diff -NurpP --minimal linux-3.9.5/fs/char_dev.c linux-3.9.5-vs2.3.6.5/fs/char_dev.c
---- linux-3.9.5/fs/char_dev.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/char_dev.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/char_dev.c linux-4.9.217-vs2.3.9.12/fs/char_dev.c
+--- linux-4.9.217/fs/char_dev.c 2020-03-27 00:51:17.560546024 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/char_dev.c 2020-04-01 09:40:28.315470432 +0000
@@ -21,6 +21,8 @@
#include <linux/mutex.h>
#include <linux/backing-dev.h>
#include "internal.h"
-@@ -371,14 +373,21 @@ static int chrdev_open(struct inode *ino
+@@ -360,14 +362,21 @@ static int chrdev_open(struct inode *ino
struct cdev *p;
struct cdev *new = NULL;
int ret = 0;
if (!kobj)
return -ENXIO;
new = container_of(kobj, struct cdev, kobj);
-diff -NurpP --minimal linux-3.9.5/fs/dcache.c linux-3.9.5-vs2.3.6.5/fs/dcache.c
---- linux-3.9.5/fs/dcache.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/dcache.c 2013-05-31 14:47:11.000000000 +0000
-@@ -37,6 +37,7 @@
- #include <linux/rculist_bl.h>
- #include <linux/prefetch.h>
+diff -NurpP --minimal linux-4.9.217/fs/dcache.c linux-4.9.217-vs2.3.9.12/fs/dcache.c
+--- linux-4.9.217/fs/dcache.c 2020-03-27 00:51:17.880540977 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/dcache.c 2019-10-05 14:58:45.150315864 +0000
+@@ -39,6 +39,7 @@
#include <linux/ratelimit.h>
+ #include <linux/list_lru.h>
+ #include <linux/kasan.h>
+#include <linux/vs_limit.h>
+
#include "internal.h"
#include "mount.h"
-
-@@ -593,6 +594,8 @@ int d_invalidate(struct dentry * dentry)
+@@ -690,6 +691,7 @@ static inline bool fast_dput(struct dent
spin_lock(&dentry->d_lock);
- }
+ if (dentry->d_lockref.count > 1) {
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ spin_unlock(&dentry->d_lock);
+ return 1;
+ }
+@@ -821,6 +823,7 @@ repeat:
+ dentry_lru_add(dentry);
+ dentry->d_lockref.count--;
+ vx_dentry_dec(dentry);
-+
- /*
- * Somebody else still using it?
- *
-@@ -622,6 +625,7 @@ EXPORT_SYMBOL(d_invalidate);
+ spin_unlock(&dentry->d_lock);
+ return;
+
+@@ -838,6 +841,7 @@ EXPORT_SYMBOL(dput);
static inline void __dget_dlock(struct dentry *dentry)
{
- dentry->d_count++;
+ dentry->d_lockref.count++;
+ vx_dentry_inc(dentry);
}
static inline void __dget(struct dentry *dentry)
-@@ -1252,6 +1256,9 @@ struct dentry *__d_alloc(struct super_bl
- struct dentry *dentry;
+@@ -850,6 +854,8 @@ struct dentry *dget_parent(struct dentry
+ int gotref;
+ struct dentry *ret;
+
++ vx_dentry_dec(dentry);
++
+ /*
+ * Do optimistic parent lookup without any
+ * locking.
+@@ -880,6 +886,7 @@ repeat:
+ rcu_read_unlock();
+ BUG_ON(!ret->d_lockref.count);
+ ret->d_lockref.count++;
++ vx_dentry_inc(ret);
+ spin_unlock(&ret->d_lock);
+ return ret;
+ }
+@@ -1034,6 +1041,7 @@ static void shrink_dentry_list(struct li
+ parent = lock_parent(dentry);
+ if (dentry->d_lockref.count != 1) {
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ spin_unlock(&dentry->d_lock);
+ if (parent)
+ spin_unlock(&parent->d_lock);
+@@ -1594,6 +1602,9 @@ struct dentry *__d_alloc(struct super_bl
char *dname;
+ int err;
+ if (!vx_dentry_avail(1))
+ return NULL;
dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
if (!dentry)
return NULL;
-@@ -1284,6 +1291,7 @@ struct dentry *__d_alloc(struct super_bl
+@@ -1637,6 +1648,7 @@ struct dentry *__d_alloc(struct super_bl
- dentry->d_count = 1;
+ dentry->d_lockref.count = 1;
dentry->d_flags = 0;
+ vx_dentry_inc(dentry);
spin_lock_init(&dentry->d_lock);
seqcount_init(&dentry->d_seq);
dentry->d_inode = NULL;
-@@ -1984,6 +1992,7 @@ struct dentry *__d_lookup(const struct d
- }
+@@ -2310,6 +2322,7 @@ struct dentry *__d_lookup(const struct d
+ goto next;
- dentry->d_count++;
+ dentry->d_lockref.count++;
+ vx_dentry_inc(dentry);
found = dentry;
spin_unlock(&dentry->d_lock);
break;
-diff -NurpP --minimal linux-3.9.5/fs/devpts/inode.c linux-3.9.5-vs2.3.6.5/fs/devpts/inode.c
---- linux-3.9.5/fs/devpts/inode.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/devpts/inode.c 2013-06-12 23:49:08.000000000 +0000
-@@ -25,6 +25,7 @@
+@@ -3568,6 +3581,7 @@ static enum d_walk_ret d_genocide_kill(v
+ if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
+ dentry->d_flags |= DCACHE_GENOCIDE;
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ }
+ }
+ return D_WALK_CONTINUE;
+diff -NurpP --minimal linux-4.9.217/fs/devpts/inode.c linux-4.9.217-vs2.3.9.12/fs/devpts/inode.c
+--- linux-4.9.217/fs/devpts/inode.c 2020-03-27 00:51:18.080537825 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/devpts/inode.c 2019-10-05 14:58:45.150315864 +0000
+@@ -27,6 +27,7 @@
#include <linux/parser.h>
#include <linux/fsnotify.h>
#include <linux/seq_file.h>
#define DEVPTS_DEFAULT_MODE 0600
/*
-@@ -36,6 +37,21 @@
+@@ -38,6 +39,21 @@
#define DEVPTS_DEFAULT_PTMX_MODE 0000
#define PTMX_MINOR 2
/*
* sysctl support for setting limits on the number of Unix98 ptys allocated.
* Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
-@@ -345,6 +361,34 @@ static int devpts_show_options(struct se
+@@ -363,6 +379,34 @@ static int devpts_show_options(struct se
return 0;
}
+ return vx_check(xid, VS_WATCH_P | VS_IDENT);
+}
+
-+static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir)
++static int devpts_readdir(struct file * filp, struct dir_context *ctx)
+{
-+ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter);
++ return dcache_readdir_filter(filp, ctx, devpts_filter);
+}
+
+static struct file_operations devpts_dir_operations = {
+ .release = dcache_dir_close,
+ .llseek = dcache_dir_lseek,
+ .read = generic_read_dir,
-+ .readdir = devpts_readdir,
++ .iterate = devpts_readdir,
+};
+
static const struct super_operations devpts_sops = {
.statfs = simple_statfs,
.remount_fs = devpts_remount,
-@@ -388,8 +432,10 @@ devpts_fill_super(struct super_block *s,
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+@@ -416,8 +460,10 @@ devpts_fill_super(struct super_block *s,
+ inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
inode->i_op = &simple_dir_inode_operations;
- inode->i_fop = &simple_dir_operations;
+ i_tag_write(inode, (vtag_t)vx_current_xid());
s->s_root = d_make_root(inode);
- if (s->s_root)
-@@ -592,6 +638,9 @@ struct inode *devpts_pty_new(struct inod
+ if (!s->s_root) {
+@@ -543,6 +589,9 @@ struct dentry *devpts_pty_new(struct pts
inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
- init_special_inode(inode, S_IFCHR|opts->mode, device);
+ inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+ init_special_inode(inode, S_IFCHR|opts->mode, MKDEV(UNIX98_PTY_SLAVE_MAJOR, index));
+ /* devpts is xid tagged */
+ i_tag_write(inode, (vtag_t)vx_current_xid());
+ inode->i_op = &devpts_file_inode_operations;
- inode->i_private = priv;
sprintf(s, "%d", index);
-diff -NurpP --minimal linux-3.9.5/fs/ext2/balloc.c linux-3.9.5-vs2.3.6.5/fs/ext2/balloc.c
---- linux-3.9.5/fs/ext2/balloc.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/balloc.c 2013-05-31 14:47:11.000000000 +0000
+
+diff -NurpP --minimal linux-4.9.217/fs/ext2/balloc.c linux-4.9.217-vs2.3.9.12/fs/ext2/balloc.c
+--- linux-4.9.217/fs/ext2/balloc.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/balloc.c 2018-10-20 04:58:13.000000000 +0000
@@ -693,7 +693,6 @@ ext2_try_to_allocate(struct super_block
start = 0;
end = EXT2_BLOCKS_PER_GROUP(sb);
BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
repeat:
-diff -NurpP --minimal linux-3.9.5/fs/ext2/ext2.h linux-3.9.5-vs2.3.6.5/fs/ext2/ext2.h
---- linux-3.9.5/fs/ext2/ext2.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/ext2.h 2013-05-31 14:47:11.000000000 +0000
-@@ -244,8 +244,12 @@ struct ext2_group_desc
+diff -NurpP --minimal linux-4.9.217/fs/ext2/ext2.h linux-4.9.217-vs2.3.9.12/fs/ext2/ext2.h
+--- linux-4.9.217/fs/ext2/ext2.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/ext2.h 2018-10-20 04:58:13.000000000 +0000
+@@ -247,8 +247,12 @@ struct ext2_group_desc
#define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
#define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
#define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
#define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
#define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
-@@ -329,7 +333,8 @@ struct ext2_inode {
+@@ -332,7 +336,8 @@ struct ext2_inode {
__u16 i_pad1;
__le16 l_i_uid_high; /* these 2 fields */
__le16 l_i_gid_high; /* were reserved2[0] */
} linux2;
struct {
__u8 h_i_frag; /* Fragment number */
-@@ -357,6 +362,7 @@ struct ext2_inode {
+@@ -360,6 +365,7 @@ struct ext2_inode {
#define i_gid_low i_gid
#define i_uid_high osd2.linux2.l_i_uid_high
#define i_gid_high osd2.linux2.l_i_gid_high
#define i_reserved2 osd2.linux2.l_i_reserved2
/*
-@@ -384,6 +390,7 @@ struct ext2_inode {
- #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
- #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
- #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
-+#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+@@ -393,6 +399,7 @@ struct ext2_inode {
+ #else
+ #define EXT2_MOUNT_DAX 0
+ #endif
++#define EXT2_MOUNT_TAGGED 0x200000 /* Enable Context Tags */
#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
-@@ -757,6 +764,7 @@ extern void ext2_set_inode_flags(struct
+@@ -782,6 +789,7 @@ extern void ext2_set_inode_flags(struct
extern void ext2_get_inode_flags(struct ext2_inode_info *);
extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
/* ioctl.c */
extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
-diff -NurpP --minimal linux-3.9.5/fs/ext2/file.c linux-3.9.5-vs2.3.6.5/fs/ext2/file.c
---- linux-3.9.5/fs/ext2/file.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/file.c 2013-05-31 14:47:11.000000000 +0000
-@@ -104,4 +104,5 @@ const struct inode_operations ext2_file_
- .setattr = ext2_setattr,
+diff -NurpP --minimal linux-4.9.217/fs/ext2/file.c linux-4.9.217-vs2.3.9.12/fs/ext2/file.c
+--- linux-4.9.217/fs/ext2/file.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/file.c 2018-10-20 04:58:13.000000000 +0000
+@@ -247,4 +247,5 @@ const struct inode_operations ext2_file_
.get_acl = ext2_get_acl,
+ .set_acl = ext2_set_acl,
.fiemap = ext2_fiemap,
+ .sync_flags = ext2_sync_flags,
};
-diff -NurpP --minimal linux-3.9.5/fs/ext2/ialloc.c linux-3.9.5-vs2.3.6.5/fs/ext2/ialloc.c
---- linux-3.9.5/fs/ext2/ialloc.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/ialloc.c 2013-06-03 18:58:16.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ext2/ialloc.c linux-4.9.217-vs2.3.9.12/fs/ext2/ialloc.c
+--- linux-4.9.217/fs/ext2/ialloc.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/ialloc.c 2018-10-20 04:58:13.000000000 +0000
@@ -17,6 +17,7 @@
#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -546,6 +547,7 @@ got:
+@@ -551,6 +552,7 @@ got:
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = dir->i_gid;
} else
inode_init_owner(inode, dir, mode);
-diff -NurpP --minimal linux-3.9.5/fs/ext2/inode.c linux-3.9.5-vs2.3.6.5/fs/ext2/inode.c
---- linux-3.9.5/fs/ext2/inode.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/inode.c 2013-06-03 19:42:51.000000000 +0000
-@@ -31,6 +31,7 @@
- #include <linux/mpage.h>
- #include <linux/fiemap.h>
+diff -NurpP --minimal linux-4.9.217/fs/ext2/inode.c linux-4.9.217-vs2.3.9.12/fs/ext2/inode.c
+--- linux-4.9.217/fs/ext2/inode.c 2020-03-27 00:51:18.820526161 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/inode.c 2019-12-25 15:37:51.438438255 +0000
+@@ -35,6 +35,7 @@
+ #include <linux/iomap.h>
#include <linux/namei.h>
+ #include <linux/uio.h>
+#include <linux/vs_tag.h>
#include "ext2.h"
#include "acl.h"
- #include "xip.h"
-@@ -1179,7 +1180,7 @@ static void ext2_truncate_blocks(struct
- return;
- if (ext2_inode_is_fast_symlink(inode))
- return;
-- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
- return;
- __ext2_truncate_blocks(inode, offset);
- }
-@@ -1270,36 +1271,61 @@ void ext2_set_inode_flags(struct inode *
+ #include "xattr.h"
+@@ -1360,39 +1361,61 @@ void ext2_set_inode_flags(struct inode *
{
unsigned int flags = EXT2_I(inode)->i_flags;
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
+- inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME |
+- S_DIRSYNC | S_DAX);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK | S_DAX |
+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
-+
+ if (flags & EXT2_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT2_IXUNLINK_FL)
+ inode->i_flags |= S_IXUNLINK;
-+
if (flags & EXT2_SYNC_FL)
inode->i_flags |= S_SYNC;
if (flags & EXT2_APPEND_FL)
inode->i_flags |= S_NOATIME;
if (flags & EXT2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
+ if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
+ inode->i_flags |= S_DAX;
+
+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+
}
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
-@@ -1335,8 +1361,10 @@ struct inode *ext2_iget (struct super_bl
+@@ -1428,8 +1451,10 @@ struct inode *ext2_iget (struct super_bl
i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
inode->i_size = le32_to_cpu(raw_inode->i_size);
inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
-@@ -1434,8 +1462,10 @@ static int __ext2_write_inode(struct ino
+@@ -1536,8 +1561,10 @@ static int __ext2_write_inode(struct ino
struct ext2_inode_info *ei = EXT2_I(inode);
struct super_block *sb = inode->i_sb;
ino_t ino = inode->i_ino;
struct buffer_head * bh;
struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh);
int n;
-@@ -1471,6 +1501,9 @@ static int __ext2_write_inode(struct ino
+@@ -1573,6 +1600,9 @@ static int __ext2_write_inode(struct ino
raw_inode->i_uid_high = 0;
raw_inode->i_gid_high = 0;
}
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
raw_inode->i_size = cpu_to_le32(inode->i_size);
raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
-@@ -1551,7 +1584,8 @@ int ext2_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
+@@ -1656,7 +1686,8 @@ int ext2_setattr(struct dentry *dentry,
+ return error;
+ }
if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
+ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
error = dquot_transfer(inode, iattr);
if (error)
return error;
-diff -NurpP --minimal linux-3.9.5/fs/ext2/ioctl.c linux-3.9.5-vs2.3.6.5/fs/ext2/ioctl.c
---- linux-3.9.5/fs/ext2/ioctl.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/ioctl.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ext2/ioctl.c linux-4.9.217-vs2.3.9.12/fs/ext2/ioctl.c
+--- linux-4.9.217/fs/ext2/ioctl.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/ioctl.c 2018-10-20 04:58:13.000000000 +0000
@@ -17,6 +17,16 @@
#include <asm/uaccess.h>
+ return -EACCES;
+ }
+
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode)) {
@@ -66,7 +81,9 @@ long ext2_ioctl(struct file *filp, unsig
+ ((flags ^ oldflags) & (EXT2_APPEND_FL |
+ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL))) {
if (!capable(CAP_LINUX_IMMUTABLE)) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
ret = -EPERM;
@@ -74,7 +91,7 @@ long ext2_ioctl(struct file *filp, unsig
}
flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
ei->i_flags = flags;
-diff -NurpP --minimal linux-3.9.5/fs/ext2/namei.c linux-3.9.5-vs2.3.6.5/fs/ext2/namei.c
---- linux-3.9.5/fs/ext2/namei.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/namei.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ext2/namei.c linux-4.9.217-vs2.3.9.12/fs/ext2/namei.c
+--- linux-4.9.217/fs/ext2/namei.c 2020-03-27 00:51:18.830526005 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/namei.c 2018-10-20 04:58:13.000000000 +0000
@@ -32,6 +32,7 @@
#include <linux/pagemap.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -73,6 +74,7 @@ static struct dentry *ext2_lookup(struct
+@@ -71,6 +72,7 @@ static struct dentry *ext2_lookup(struct
(unsigned long) ino);
return ERR_PTR(-EIO);
}
}
return d_splice_alias(inode, dentry);
}
-@@ -397,6 +399,7 @@ const struct inode_operations ext2_dir_i
- .removexattr = generic_removexattr,
+@@ -443,6 +445,7 @@ const struct inode_operations ext2_speci
+ .listxattr = ext2_listxattr,
#endif
.setattr = ext2_setattr,
+ .sync_flags = ext2_sync_flags,
.get_acl = ext2_get_acl,
+ .set_acl = ext2_set_acl,
};
-
-diff -NurpP --minimal linux-3.9.5/fs/ext2/super.c linux-3.9.5-vs2.3.6.5/fs/ext2/super.c
---- linux-3.9.5/fs/ext2/super.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext2/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -395,7 +395,8 @@ enum {
+diff -NurpP --minimal linux-4.9.217/fs/ext2/super.c linux-4.9.217-vs2.3.9.12/fs/ext2/super.c
+--- linux-4.9.217/fs/ext2/super.c 2020-03-27 00:51:18.940524270 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext2/super.c 2020-04-01 09:40:28.405468940 +0000
+@@ -411,7 +411,8 @@ enum {
Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
- Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+ Opt_acl, Opt_noacl, Opt_xip, Opt_dax, Opt_ignore, Opt_err, Opt_quota,
- Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
+ Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation,
+ Opt_tag, Opt_notag, Opt_tagid
};
static const match_table_t tokens = {
-@@ -423,6 +424,9 @@ static const match_table_t tokens = {
+@@ -439,6 +440,9 @@ static const match_table_t tokens = {
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
{Opt_xip, "xip"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
+ {Opt_dax, "dax"},
{Opt_grpquota, "grpquota"},
{Opt_ignore, "noquota"},
- {Opt_quota, "quota"},
-@@ -506,6 +510,20 @@ static int parse_options(char *options,
+@@ -523,6 +527,20 @@ static int parse_options(char *options,
case Opt_nouid32:
set_opt (sbi->s_mount_opt, NO_UID32);
break;
case Opt_nocheck:
clear_opt (sbi->s_mount_opt, CHECK);
break;
-@@ -864,6 +882,8 @@ static int ext2_fill_super(struct super_
+@@ -898,6 +916,8 @@ static int ext2_fill_super(struct super_
if (!parse_options((char *) data, sb))
goto failed_mount;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
MS_POSIXACL : 0);
-@@ -1269,6 +1289,14 @@ static int ext2_remount (struct super_bl
+@@ -1311,6 +1331,14 @@ static int ext2_remount (struct super_bl
err = -EINVAL;
goto restore_opts;
}
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
-diff -NurpP --minimal linux-3.9.5/fs/ext3/ext3.h linux-3.9.5-vs2.3.6.5/fs/ext3/ext3.h
---- linux-3.9.5/fs/ext3/ext3.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/ext3.h 2013-05-31 14:47:11.000000000 +0000
-@@ -151,10 +151,14 @@ struct ext3_group_desc
- #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
- #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
- #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
-+#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
- #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
-
--#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
--#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
-+#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
-+#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
-+
-+#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
-+#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
-
- /* Flags that should be inherited by new inodes from their parent. */
- #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
-@@ -290,7 +294,8 @@ struct ext3_inode {
- __u16 i_pad1;
- __le16 l_i_uid_high; /* these 2 fields */
- __le16 l_i_gid_high; /* were reserved2[0] */
-- __u32 l_i_reserved2;
-+ __le16 l_i_tag; /* Context Tag */
-+ __u16 l_i_reserved2;
- } linux2;
- struct {
- __u8 h_i_frag; /* Fragment number */
-@@ -320,6 +325,7 @@ struct ext3_inode {
- #define i_gid_low i_gid
- #define i_uid_high osd2.linux2.l_i_uid_high
- #define i_gid_high osd2.linux2.l_i_gid_high
-+#define i_raw_tag osd2.linux2.l_i_tag
- #define i_reserved2 osd2.linux2.l_i_reserved2
-
- /*
-@@ -364,6 +370,7 @@ struct ext3_inode {
- #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
- #define EXT3_MOUNT_DATA_ERR_ABORT 0x400000 /* Abort on file data write
- * error in ordered mode */
-+#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
-
- /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
- #ifndef _LINUX_EXT2_FS_H
-@@ -1061,6 +1068,7 @@ extern void ext3_get_inode_flags(struct
- extern void ext3_set_aops(struct inode *inode);
- extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
- u64 start, u64 len);
-+extern int ext3_sync_flags(struct inode *, int, int);
-
- /* ioctl.c */
- extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
-diff -NurpP --minimal linux-3.9.5/fs/ext3/file.c linux-3.9.5-vs2.3.6.5/fs/ext3/file.c
---- linux-3.9.5/fs/ext3/file.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/file.c 2013-05-31 14:47:11.000000000 +0000
-@@ -76,5 +76,6 @@ const struct inode_operations ext3_file_
- #endif
- .get_acl = ext3_get_acl,
- .fiemap = ext3_fiemap,
-+ .sync_flags = ext3_sync_flags,
- };
-
-diff -NurpP --minimal linux-3.9.5/fs/ext3/ialloc.c linux-3.9.5-vs2.3.6.5/fs/ext3/ialloc.c
---- linux-3.9.5/fs/ext3/ialloc.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/ialloc.c 2013-06-03 19:43:33.000000000 +0000
-@@ -14,6 +14,7 @@
-
- #include <linux/quotaops.h>
- #include <linux/random.h>
-+#include <linux/vs_tag.h>
-
- #include "ext3.h"
- #include "xattr.h"
-@@ -469,6 +470,7 @@ got:
- inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = dir->i_gid;
-+ i_tag_write(inode, dx_current_fstag(sb));
- } else
- inode_init_owner(inode, dir, mode);
-
-diff -NurpP --minimal linux-3.9.5/fs/ext3/inode.c linux-3.9.5-vs2.3.6.5/fs/ext3/inode.c
---- linux-3.9.5/fs/ext3/inode.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/inode.c 2013-06-03 19:44:35.000000000 +0000
-@@ -27,6 +27,8 @@
- #include <linux/writeback.h>
- #include <linux/mpage.h>
- #include <linux/namei.h>
-+#include <linux/vs_tag.h>
-+
- #include "ext3.h"
- #include "xattr.h"
- #include "acl.h"
-@@ -2851,36 +2853,60 @@ void ext3_set_inode_flags(struct inode *
- {
- unsigned int flags = EXT3_I(inode)->i_flags;
-
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
-+
-+ if (flags & EXT3_IMMUTABLE_FL)
-+ inode->i_flags |= S_IMMUTABLE;
-+ if (flags & EXT3_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
-+
- if (flags & EXT3_SYNC_FL)
- inode->i_flags |= S_SYNC;
- if (flags & EXT3_APPEND_FL)
- inode->i_flags |= S_APPEND;
-- if (flags & EXT3_IMMUTABLE_FL)
-- inode->i_flags |= S_IMMUTABLE;
- if (flags & EXT3_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- if (flags & EXT3_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
-+
-+ if (flags & EXT3_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
-+ if (flags & EXT3_COW_FL)
-+ inode->i_vflags |= V_COW;
- }
-
- /* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
- void ext3_get_inode_flags(struct ext3_inode_info *ei)
- {
- unsigned int flags = ei->vfs_inode.i_flags;
-+ unsigned int vflags = ei->vfs_inode.i_vflags;
-+
-+ ei->i_flags &= ~(EXT3_SYNC_FL | EXT3_APPEND_FL |
-+ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL |
-+ EXT3_NOATIME_FL | EXT3_DIRSYNC_FL |
-+ EXT3_BARRIER_FL | EXT3_COW_FL);
-+
-+ if (flags & S_IMMUTABLE)
-+ ei->i_flags |= EXT3_IMMUTABLE_FL;
-+ if (flags & S_IXUNLINK)
-+ ei->i_flags |= EXT3_IXUNLINK_FL;
-
-- ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
-- EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
- if (flags & S_SYNC)
- ei->i_flags |= EXT3_SYNC_FL;
- if (flags & S_APPEND)
- ei->i_flags |= EXT3_APPEND_FL;
-- if (flags & S_IMMUTABLE)
-- ei->i_flags |= EXT3_IMMUTABLE_FL;
- if (flags & S_NOATIME)
- ei->i_flags |= EXT3_NOATIME_FL;
- if (flags & S_DIRSYNC)
- ei->i_flags |= EXT3_DIRSYNC_FL;
-+
-+ if (vflags & V_BARRIER)
-+ ei->i_flags |= EXT3_BARRIER_FL;
-+ if (vflags & V_COW)
-+ ei->i_flags |= EXT3_COW_FL;
- }
-
- struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
-@@ -2918,8 +2944,10 @@ struct inode *ext3_iget(struct super_blo
- i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
- i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
- }
-- i_uid_write(inode, i_uid);
-- i_gid_write(inode, i_gid);
-+ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
-+ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
-+ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
-+ le16_to_cpu(raw_inode->i_raw_tag)));
- set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
- inode->i_size = le32_to_cpu(raw_inode->i_size);
- inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
-@@ -3091,8 +3119,10 @@ again:
-
- ext3_get_inode_flags(ei);
- raw_inode->i_mode = cpu_to_le16(inode->i_mode);
-- i_uid = i_uid_read(inode);
-- i_gid = i_gid_read(inode);
-+ i_uid = from_kuid(&init_user_ns,
-+ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
-+ i_gid = from_kgid(&init_user_ns,
-+ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
- if(!(test_opt(inode->i_sb, NO_UID32))) {
- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
-@@ -3117,6 +3147,9 @@ again:
- raw_inode->i_uid_high = 0;
- raw_inode->i_gid_high = 0;
- }
-+#ifdef CONFIG_TAGGING_INTERN
-+ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
-+#endif
- raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
- disksize = cpu_to_le32(ei->i_disksize);
- if (disksize != raw_inode->i_size) {
-@@ -3285,7 +3318,8 @@ int ext3_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
- if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
-- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
-+ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
-+ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
- handle_t *handle;
-
- /* (user+group)*(old+new) structure, inode write (sb,
-@@ -3307,6 +3341,8 @@ int ext3_setattr(struct dentry *dentry,
- inode->i_uid = attr->ia_uid;
- if (attr->ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
-+ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
-+ inode->i_tag = attr->ia_tag;
- error = ext3_mark_inode_dirty(handle, inode);
- ext3_journal_stop(handle);
- }
-diff -NurpP --minimal linux-3.9.5/fs/ext3/ioctl.c linux-3.9.5-vs2.3.6.5/fs/ext3/ioctl.c
---- linux-3.9.5/fs/ext3/ioctl.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/ioctl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -12,6 +12,34 @@
- #include <asm/uaccess.h>
- #include "ext3.h"
-
-+
-+int ext3_sync_flags(struct inode *inode, int flags, int vflags)
-+{
-+ handle_t *handle = NULL;
-+ struct ext3_iloc iloc;
-+ int err;
-+
-+ handle = ext3_journal_start(inode, 1);
-+ if (IS_ERR(handle))
-+ return PTR_ERR(handle);
-+
-+ if (IS_SYNC(inode))
-+ handle->h_sync = 1;
-+ err = ext3_reserve_inode_write(handle, inode, &iloc);
-+ if (err)
-+ goto flags_err;
-+
-+ inode->i_flags = flags;
-+ inode->i_vflags = vflags;
-+ ext3_get_inode_flags(EXT3_I(inode));
-+ inode->i_ctime = CURRENT_TIME_SEC;
-+
-+ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
-+flags_err:
-+ ext3_journal_stop(handle);
-+ return err;
-+}
-+
- long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
- {
- struct inode *inode = file_inode(filp);
-@@ -45,6 +73,11 @@ long ext3_ioctl(struct file *filp, unsig
-
- flags = ext3_mask_flags(inode->i_mode, flags);
-
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -EACCES;
-+ }
-+
- mutex_lock(&inode->i_mutex);
-
- /* Is it quota file? Do not allow user to mess with it */
-@@ -63,7 +96,9 @@ long ext3_ioctl(struct file *filp, unsig
- *
- * This test looks nicer. Thanks to Pauline Middelink
- */
-- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
-+ if ((oldflags & EXT3_IMMUTABLE_FL) ||
-+ ((flags ^ oldflags) & (EXT3_APPEND_FL |
-+ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
- if (!capable(CAP_LINUX_IMMUTABLE))
- goto flags_out;
- }
-@@ -88,7 +123,7 @@ long ext3_ioctl(struct file *filp, unsig
- if (err)
- goto flags_err;
-
-- flags = flags & EXT3_FL_USER_MODIFIABLE;
-+ flags &= EXT3_FL_USER_MODIFIABLE;
- flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
- ei->i_flags = flags;
-
-diff -NurpP --minimal linux-3.9.5/fs/ext3/namei.c linux-3.9.5-vs2.3.6.5/fs/ext3/namei.c
---- linux-3.9.5/fs/ext3/namei.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/namei.c 2013-05-31 14:47:11.000000000 +0000
-@@ -25,6 +25,8 @@
- */
-
- #include <linux/quotaops.h>
-+#include <linux/vs_tag.h>
-+
- #include "ext3.h"
- #include "namei.h"
- #include "xattr.h"
-@@ -918,6 +920,7 @@ restart:
- submit_bh(READ | REQ_META | REQ_PRIO,
- bh);
- }
-+ dx_propagate_tag(nd, inode);
- }
- }
- if ((bh = bh_use[ra_ptr++]) == NULL)
-@@ -2527,6 +2530,7 @@ const struct inode_operations ext3_dir_i
- .listxattr = ext3_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext3_sync_flags,
- .get_acl = ext3_get_acl,
- };
-
-diff -NurpP --minimal linux-3.9.5/fs/ext3/super.c linux-3.9.5-vs2.3.6.5/fs/ext3/super.c
---- linux-3.9.5/fs/ext3/super.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext3/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -816,7 +816,8 @@ enum {
- Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
- Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
- Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
-- Opt_resize, Opt_usrquota, Opt_grpquota
-+ Opt_resize, Opt_usrquota, Opt_grpquota,
-+ Opt_tag, Opt_notag, Opt_tagid
- };
-
- static const match_table_t tokens = {
-@@ -873,6 +874,9 @@ static const match_table_t tokens = {
- {Opt_barrier, "barrier"},
- {Opt_nobarrier, "nobarrier"},
- {Opt_resize, "resize"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
-+ {Opt_tagid, "tagid=%u"},
- {Opt_err, NULL},
- };
-
-@@ -1040,6 +1044,20 @@ static int parse_options (char *options,
- case Opt_nouid32:
- set_opt (sbi->s_mount_opt, NO_UID32);
- break;
-+#ifndef CONFIG_TAGGING_NONE
-+ case Opt_tag:
-+ set_opt (sbi->s_mount_opt, TAGGED);
-+ break;
-+ case Opt_notag:
-+ clear_opt (sbi->s_mount_opt, TAGGED);
-+ break;
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ case Opt_tagid:
-+ /* use args[0] */
-+ set_opt (sbi->s_mount_opt, TAGGED);
-+ break;
-+#endif
- case Opt_nocheck:
- clear_opt (sbi->s_mount_opt, CHECK);
- break;
-@@ -1737,6 +1755,9 @@ static int ext3_fill_super (struct super
- NULL, 0))
- goto failed_mount;
-
-+ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
-+
- sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-
-@@ -2633,6 +2654,14 @@ static int ext3_remount (struct super_bl
- if (test_opt(sb, ABORT))
- ext3_abort(sb, __func__, "Abort forced by user");
-
-+ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGGED) &&
-+ !(sb->s_flags & MS_TAGGED)) {
-+ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
-+ sb->s_id);
-+ err = -EINVAL;
-+ goto restore_opts;
-+ }
-+
- sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-
-diff -NurpP --minimal linux-3.9.5/fs/ext4/ext4.h linux-3.9.5-vs2.3.6.5/fs/ext4/ext4.h
---- linux-3.9.5/fs/ext4/ext4.h 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/ext4.h 2013-05-31 16:22:49.000000000 +0000
-@@ -399,7 +399,10 @@ struct flex_groups {
+diff -NurpP --minimal linux-4.9.217/fs/ext4/ext4.h linux-4.9.217-vs2.3.9.12/fs/ext4/ext4.h
+--- linux-4.9.217/fs/ext4/ext4.h 2020-03-27 00:51:19.290518755 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/ext4.h 2020-04-01 09:40:28.435468445 +0000
+@@ -392,8 +392,11 @@ struct flex_groups {
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
#define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
+#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
+#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
#define EXT4_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
-+#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
+ #define EXT4_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
++#define EXT4_COW_FL 0x40000000 /* Copy on Write marker */
#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
- #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
-@@ -674,7 +677,7 @@ struct ext4_inode {
+ #define EXT4_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */
+@@ -735,7 +738,7 @@ struct ext4_inode {
__le16 l_i_uid_high; /* these 2 fields */
__le16 l_i_gid_high; /* were reserved2[0] */
__le16 l_i_checksum_lo;/* crc32c(uuid+inum+inode) LE */
} linux2;
struct {
__le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
-@@ -792,6 +795,7 @@ do { \
+@@ -892,6 +895,7 @@ do { \
#define i_gid_low i_gid
#define i_uid_high osd2.linux2.l_i_uid_high
#define i_gid_high osd2.linux2.l_i_gid_high
#define i_checksum_lo osd2.linux2.l_i_checksum_lo
#elif defined(__GNU__)
-@@ -969,6 +973,7 @@ struct ext4_inode_info {
- #define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
- #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */
- #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
-+#define EXT4_MOUNT_TAGGED 0x40000 /* Enable Context Tags */
- #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
- #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
- #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
-@@ -2527,6 +2532,7 @@ extern struct buffer_head *ext4_get_firs
- extern int ext4_inline_data_fiemap(struct inode *inode,
- struct fiemap_extent_info *fieinfo,
- int *has_inline);
+@@ -1133,6 +1137,7 @@ struct ext4_inode_info {
+ #define EXT4_MOUNT_DIOREAD_NOLOCK 0x400000 /* Enable support for dio read nolocking */
+ #define EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */
+ #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */
++#define EXT4_MOUNT_TAGGED 0x2000000 /* Enable Context Tags */
+ #define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */
+ #define EXT4_MOUNT_DATA_ERR_ABORT 0x10000000 /* Abort on file data write */
+ #define EXT4_MOUNT_BLOCK_VALIDITY 0x20000000 /* Block validity checking */
+@@ -2515,6 +2520,7 @@ extern int ext4_punch_hole(struct inode
+ extern int ext4_truncate_restart_trans(handle_t *, struct inode *, int nblocks);
+ extern void ext4_set_inode_flags(struct inode *);
+ extern void ext4_get_inode_flags(struct ext4_inode_info *);
+extern int ext4_sync_flags(struct inode *, int, int);
- extern int ext4_try_to_evict_inline_data(handle_t *handle,
- struct inode *inode,
- int needed);
-diff -NurpP --minimal linux-3.9.5/fs/ext4/file.c linux-3.9.5-vs2.3.6.5/fs/ext4/file.c
---- linux-3.9.5/fs/ext4/file.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/file.c 2013-05-31 14:47:11.000000000 +0000
-@@ -650,5 +650,6 @@ const struct inode_operations ext4_file_
- .removexattr = generic_removexattr,
+ extern int ext4_alloc_da_blocks(struct inode *inode);
+ extern void ext4_set_aops(struct inode *inode);
+ extern int ext4_writepage_trans_blocks(struct inode *);
+diff -NurpP --minimal linux-4.9.217/fs/ext4/file.c linux-4.9.217-vs2.3.9.12/fs/ext4/file.c
+--- linux-4.9.217/fs/ext4/file.c 2020-03-27 00:51:19.360517651 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/file.c 2019-10-05 14:58:45.150315864 +0000
+@@ -698,5 +698,6 @@ const struct inode_operations ext4_file_
.get_acl = ext4_get_acl,
+ .set_acl = ext4_set_acl,
.fiemap = ext4_fiemap,
+ .sync_flags = ext4_sync_flags,
};
-diff -NurpP --minimal linux-3.9.5/fs/ext4/ialloc.c linux-3.9.5-vs2.3.6.5/fs/ext4/ialloc.c
---- linux-3.9.5/fs/ext4/ialloc.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/ialloc.c 2013-06-03 19:45:15.000000000 +0000
-@@ -22,6 +22,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/ext4/ialloc.c linux-4.9.217-vs2.3.9.12/fs/ext4/ialloc.c
+--- linux-4.9.217/fs/ext4/ialloc.c 2020-03-27 00:51:19.360517651 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/ialloc.c 2020-04-01 09:40:28.435468445 +0000
+@@ -21,6 +21,7 @@
#include <linux/random.h>
#include <linux/bitops.h>
#include <linux/blkdev.h>
#include <asm/byteorder.h>
#include "ext4.h"
-@@ -859,6 +860,7 @@ got:
+@@ -780,6 +781,7 @@ struct inode *__ext4_new_inode(handle_t
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = dir->i_gid;
} else
inode_init_owner(inode, dir, mode);
-diff -NurpP --minimal linux-3.9.5/fs/ext4/inode.c linux-3.9.5-vs2.3.6.5/fs/ext4/inode.c
---- linux-3.9.5/fs/ext4/inode.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/inode.c 2013-06-03 19:45:35.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ext4/inode.c linux-4.9.217-vs2.3.9.12/fs/ext4/inode.c
+--- linux-4.9.217/fs/ext4/inode.c 2020-03-27 00:51:19.610513714 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/inode.c 2020-04-01 09:40:28.445468277 +0000
@@ -37,6 +37,7 @@
#include <linux/printk.h>
#include <linux/slab.h>
- #include <linux/ratelimit.h>
+ #include <linux/bitops.h>
+#include <linux/vs_tag.h>
#include "ext4_jbd2.h"
#include "xattr.h"
-@@ -3870,41 +3871,64 @@ void ext4_set_inode_flags(struct inode *
- {
+@@ -4390,12 +4391,15 @@ void ext4_set_inode_flags(struct inode *
unsigned int flags = EXT4_I(inode)->i_flags;
+ unsigned int new_fl = 0;
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
-+
+ if (flags & EXT4_IMMUTABLE_FL)
-+ inode->i_flags |= S_IMMUTABLE;
++ new_fl |= S_IMMUTABLE;
+ if (flags & EXT4_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
++ new_fl |= S_IXUNLINK;
+
if (flags & EXT4_SYNC_FL)
- inode->i_flags |= S_SYNC;
+ new_fl |= S_SYNC;
if (flags & EXT4_APPEND_FL)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
- if (flags & EXT4_IMMUTABLE_FL)
-- inode->i_flags |= S_IMMUTABLE;
+- new_fl |= S_IMMUTABLE;
if (flags & EXT4_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (flags & EXT4_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+@@ -4403,31 +4407,52 @@ void ext4_set_inode_flags(struct inode *
+ if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
+ new_fl |= S_DAX;
+ inode_set_flags(inode, new_fl,
+- S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX);
++ S_IXUNLINK | S_IMMUTABLE | S_DAX |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
++ new_fl = 0;
+ if (flags & EXT4_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (flags & EXT4_COW_FL)
-+ inode->i_vflags |= V_COW;
++ new_fl |= V_COW;
++
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
}
/* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
} while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
}
-@@ -4009,8 +4033,10 @@ struct inode *ext4_iget(struct super_blo
+@@ -4553,8 +4578,10 @@ struct inode *ext4_iget(struct super_blo
i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
+ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
+ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
+ le16_to_cpu(raw_inode->i_raw_tag)));
+ ei->i_projid = make_kprojid(&init_user_ns, i_projid);
set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
- ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
-@@ -4233,8 +4259,10 @@ static int ext4_do_update_inode(handle_t
+@@ -4882,8 +4909,10 @@ static int ext4_do_update_inode(handle_t
ext4_get_inode_flags(ei);
raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
+ i_gid = from_kgid(&init_user_ns,
+ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
+ i_projid = from_kprojid(&init_user_ns, ei->i_projid);
if (!(test_opt(inode->i_sb, NO_UID32))) {
raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
-@@ -4257,6 +4285,9 @@ static int ext4_do_update_inode(handle_t
+@@ -4907,6 +4936,9 @@ static int ext4_do_update_inode(handle_t
raw_inode->i_uid_high = 0;
raw_inode->i_gid_high = 0;
}
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
-@@ -4487,7 +4518,8 @@ int ext4_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
+@@ -5164,7 +5196,8 @@ int ext4_setattr(struct dentry *dentry,
+ return error;
+ }
if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
+ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
handle_t *handle;
/* (user+group)*(old+new) structure, inode write (sb,
-@@ -4510,6 +4542,8 @@ int ext4_setattr(struct dentry *dentry,
+@@ -5187,6 +5220,8 @@ int ext4_setattr(struct dentry *dentry,
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
error = ext4_mark_inode_dirty(handle, inode);
ext4_journal_stop(handle);
}
-diff -NurpP --minimal linux-3.9.5/fs/ext4/ioctl.c linux-3.9.5-vs2.3.6.5/fs/ext4/ioctl.c
---- linux-3.9.5/fs/ext4/ioctl.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/ioctl.c 2013-05-31 19:50:08.000000000 +0000
-@@ -14,12 +14,40 @@
- #include <linux/compat.h>
- #include <linux/mount.h>
+diff -NurpP --minimal linux-4.9.217/fs/ext4/ioctl.c linux-4.9.217-vs2.3.9.12/fs/ext4/ioctl.c
+--- linux-4.9.217/fs/ext4/ioctl.c 2020-03-27 00:51:19.620513553 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/ioctl.c 2019-10-05 14:58:45.150315864 +0000
+@@ -15,6 +15,7 @@
#include <linux/file.h>
+ #include <linux/quotaops.h>
+ #include <linux/uuid.h>
+#include <linux/vs_tag.h>
#include <asm/uaccess.h>
#include "ext4_jbd2.h"
#include "ext4.h"
-
- #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
+@@ -226,7 +227,9 @@ static int ext4_ioctl_setflags(struct in
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
++ if ((oldflags & EXT4_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT4_APPEND_FL |
++ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+@@ -432,6 +435,33 @@ static inline unsigned long ext4_xflags_
+ return iflags;
+ }
+int ext4_sync_flags(struct inode *inode, int flags, int vflags)
+{
long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
-@@ -53,6 +81,11 @@ long ext4_ioctl(struct file *filp, unsig
+@@ -461,6 +491,11 @@ long ext4_ioctl(struct file *filp, unsig
flags = ext4_mask_flags(inode->i_mode, flags);
+ return -EACCES;
+ }
+
- err = -EPERM;
- mutex_lock(&inode->i_mutex);
- /* Is it quota file? Do not allow user to mess with it */
-@@ -70,7 +103,9 @@ long ext4_ioctl(struct file *filp, unsig
- *
- * This test looks nicer. Thanks to Pauline Middelink
- */
-- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
-+ if ((oldflags & EXT4_IMMUTABLE_FL) ||
-+ ((flags ^ oldflags) & (EXT4_APPEND_FL |
-+ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
- if (!capable(CAP_LINUX_IMMUTABLE))
- goto flags_out;
- }
-diff -NurpP --minimal linux-3.9.5/fs/ext4/namei.c linux-3.9.5-vs2.3.6.5/fs/ext4/namei.c
---- linux-3.9.5/fs/ext4/namei.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/namei.c 2013-05-31 14:47:11.000000000 +0000
-@@ -34,6 +34,7 @@
+ inode_lock(inode);
+ err = ext4_ioctl_setflags(inode, flags);
+ inode_unlock(inode);
+diff -NurpP --minimal linux-4.9.217/fs/ext4/namei.c linux-4.9.217-vs2.3.9.12/fs/ext4/namei.c
+--- linux-4.9.217/fs/ext4/namei.c 2020-03-27 00:51:19.650513081 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/namei.c 2020-04-01 09:40:28.445468277 +0000
+@@ -33,6 +33,7 @@
#include <linux/quotaops.h>
#include <linux/buffer_head.h>
#include <linux/bio.h>
#include "ext4.h"
#include "ext4_jbd2.h"
-@@ -1290,6 +1291,7 @@ restart:
- ll_rw_block(READ | REQ_META | REQ_PRIO,
+@@ -1475,6 +1476,7 @@ restart:
+ REQ_META | REQ_PRIO,
1, &bh);
}
+ dx_propagate_tag(nd, inode);
}
if ((bh = bh_use[ra_ptr++]) == NULL)
goto next;
-@@ -3190,6 +3192,7 @@ const struct inode_operations ext4_dir_i
- .removexattr = generic_removexattr,
+@@ -3954,6 +3956,7 @@ const struct inode_operations ext4_dir_i
.get_acl = ext4_get_acl,
+ .set_acl = ext4_set_acl,
.fiemap = ext4_fiemap,
+ .sync_flags = ext4_sync_flags,
};
const struct inode_operations ext4_special_inode_operations = {
-diff -NurpP --minimal linux-3.9.5/fs/ext4/super.c linux-3.9.5-vs2.3.6.5/fs/ext4/super.c
---- linux-3.9.5/fs/ext4/super.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ext4/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -1131,7 +1131,7 @@ enum {
- Opt_inode_readahead_blks, Opt_journal_ioprio,
+diff -NurpP --minimal linux-4.9.217/fs/ext4/super.c linux-4.9.217-vs2.3.9.12/fs/ext4/super.c
+--- linux-4.9.217/fs/ext4/super.c 2020-03-27 00:51:19.660512926 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ext4/super.c 2020-04-01 09:40:28.445468277 +0000
+@@ -1302,6 +1302,7 @@ enum {
Opt_dioread_nolock, Opt_dioread_lock,
Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
-- Opt_max_dir_size_kb,
-+ Opt_max_dir_size_kb, Opt_tag, Opt_notag, Opt_tagid
+ Opt_max_dir_size_kb, Opt_nojournal_checksum,
++ Opt_tag, Opt_notag, Opt_tagid
};
static const match_table_t tokens = {
-@@ -1211,6 +1211,9 @@ static const match_table_t tokens = {
+@@ -1388,6 +1389,9 @@ static const match_table_t tokens = {
{Opt_removed, "reservation"}, /* mount option from ext2/3 */
{Opt_removed, "noreservation"}, /* mount option from ext2/3 */
{Opt_removed, "journal=%u"}, /* mount option from ext2/3 */
{Opt_err, NULL},
};
-@@ -1441,6 +1444,20 @@ static int handle_mount_opt(struct super
- case Opt_i_version:
- sb->s_flags |= MS_I_VERSION;
+@@ -1633,6 +1637,20 @@ static int handle_mount_opt(struct super
+ case Opt_nolazytime:
+ sb->s_flags &= ~MS_LAZYTIME;
return 1;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
}
for (m = ext4_mount_opts; m->token != Opt_err; m++)
-@@ -3401,6 +3418,9 @@ static int ext4_fill_super(struct super_
- clear_opt(sb, DELALLOC);
+@@ -3652,6 +3670,9 @@ static int ext4_fill_super(struct super_
+ sb->s_iflags |= SB_I_CGROUPWB;
}
+ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-@@ -4587,6 +4607,14 @@ static int ext4_remount(struct super_blo
+@@ -5045,6 +5066,14 @@ static int ext4_remount(struct super_blo
if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
ext4_abort(sb, "Abort forced by user");
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-diff -NurpP --minimal linux-3.9.5/fs/fcntl.c linux-3.9.5-vs2.3.6.5/fs/fcntl.c
---- linux-3.9.5/fs/fcntl.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/fcntl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -21,6 +21,7 @@
- #include <linux/rcupdate.h>
+diff -NurpP --minimal linux-4.9.217/fs/fcntl.c linux-4.9.217-vs2.3.9.12/fs/fcntl.c
+--- linux-4.9.217/fs/fcntl.c 2020-03-27 00:51:19.840510086 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/fcntl.c 2018-10-20 04:58:13.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/pid_namespace.h>
#include <linux/user_namespace.h>
+ #include <linux/shmem_fs.h>
+#include <linux/vs_limit.h>
#include <asm/poll.h>
#include <asm/siginfo.h>
-@@ -378,6 +379,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
+@@ -390,6 +391,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
if (!f.file)
goto out;
if (unlikely(f.file->f_mode & FMODE_PATH)) {
if (!check_fcntl_cmd(cmd))
-diff -NurpP --minimal linux-3.9.5/fs/file.c linux-3.9.5-vs2.3.6.5/fs/file.c
---- linux-3.9.5/fs/file.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/file.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/file.c linux-4.9.217-vs2.3.9.12/fs/file.c
+--- linux-4.9.217/fs/file.c 2020-03-27 00:51:19.860509770 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/file.c 2019-10-05 14:58:45.150315864 +0000
@@ -22,6 +22,7 @@
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <linux/workqueue.h>
+#include <linux/vs_limit.h>
- struct fdtable_defer {
- spinlock_t lock;
-@@ -364,6 +365,8 @@ struct files_struct *dup_fd(struct files
+ unsigned int sysctl_nr_open __read_mostly = 1024*1024;
+ unsigned int sysctl_nr_open_min = BITS_PER_LONG;
+@@ -357,6 +358,8 @@ struct files_struct *dup_fd(struct files
struct file *f = *old_fds++;
if (f) {
get_file(f);
} else {
/*
* The fd may be claimed in the fd bitmap but not yet
-@@ -429,9 +432,11 @@ static void close_files(struct files_str
+@@ -406,9 +409,11 @@ static struct fdtable *close_files(struc
filp_close(file, files);
- cond_resched();
+ cond_resched_rcu_qs();
}
+ vx_openfd_dec(i);
}
+ cond_resched();
}
}
- }
-@@ -567,6 +572,7 @@ repeat:
+
+@@ -540,6 +545,7 @@ repeat:
else
__clear_close_on_exec(fd, fdt);
error = fd;
+ vx_openfd_inc(fd);
#if 1
/* Sanity check */
- if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
-@@ -597,6 +603,7 @@ static void __put_unused_fd(struct files
+ if (rcu_access_pointer(fdt->fd[fd]) != NULL) {
+@@ -570,6 +576,7 @@ static void __put_unused_fd(struct files
__clear_open_fd(fd, fdt);
if (fd < files->next_fd)
files->next_fd = fd;
}
void put_unused_fd(unsigned int fd)
-@@ -876,6 +883,8 @@ static int do_dup2(struct files_struct *
+@@ -857,6 +864,8 @@ __releases(&files->file_lock)
if (tofree)
filp_close(tofree, files);
return fd;
-diff -NurpP --minimal linux-3.9.5/fs/file_table.c linux-3.9.5-vs2.3.6.5/fs/file_table.c
---- linux-3.9.5/fs/file_table.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/file_table.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/file_table.c linux-4.9.217-vs2.3.9.12/fs/file_table.c
+--- linux-4.9.217/fs/file_table.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/file_table.c 2018-10-20 04:58:13.000000000 +0000
@@ -26,6 +26,8 @@
- #include <linux/hardirq.h>
#include <linux/task_work.h>
#include <linux/ima.h>
+ #include <linux/swap.h>
+#include <linux/vs_limit.h>
+#include <linux/vs_context.h>
#include <linux/atomic.h>
-@@ -140,6 +142,8 @@ struct file *get_empty_filp(void)
- spin_lock_init(&f->f_lock);
+@@ -137,6 +139,8 @@ struct file *get_empty_filp(void)
+ mutex_init(&f->f_pos_lock);
eventpoll_init_file(f);
/* f->f_version: 0 */
+ f->f_xid = vx_current_xid();
return f;
over:
-@@ -257,6 +261,8 @@ static void __fput(struct file *file)
- i_readcount_dec(inode);
- if (file->f_mode & FMODE_WRITE)
- drop_file_write_access(file);
+@@ -219,6 +223,8 @@ static void __fput(struct file *file)
+ put_write_access(inode);
+ __mnt_drop_write(mnt);
+ }
+ vx_files_dec(file);
+ file->f_xid = 0;
file->f_path.dentry = NULL;
file->f_path.mnt = NULL;
file->f_inode = NULL;
-@@ -344,6 +350,8 @@ void put_filp(struct file *file)
+@@ -305,6 +311,8 @@ void put_filp(struct file *file)
{
if (atomic_long_dec_and_test(&file->f_count)) {
security_file_free(file);
+ vx_files_dec(file);
+ file->f_xid = 0;
- file_sb_list_del(file);
file_free(file);
}
-diff -NurpP --minimal linux-3.9.5/fs/fs_struct.c linux-3.9.5-vs2.3.6.5/fs/fs_struct.c
---- linux-3.9.5/fs/fs_struct.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/fs_struct.c 2013-05-31 14:47:11.000000000 +0000
+ }
+diff -NurpP --minimal linux-4.9.217/fs/fs_struct.c linux-4.9.217-vs2.3.9.12/fs/fs_struct.c
+--- linux-4.9.217/fs/fs_struct.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/fs_struct.c 2018-10-20 04:58:13.000000000 +0000
@@ -4,6 +4,7 @@
#include <linux/path.h>
#include <linux/slab.h>
}
return fs;
}
-diff -NurpP --minimal linux-3.9.5/fs/gfs2/file.c linux-3.9.5-vs2.3.6.5/fs/gfs2/file.c
---- linux-3.9.5/fs/gfs2/file.c 2013-05-31 13:45:23.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/gfs2/file.c 2013-05-31 19:54:27.000000000 +0000
-@@ -143,6 +143,9 @@ static const u32 fsflags_to_gfs2[32] = {
+diff -NurpP --minimal linux-4.9.217/fs/gfs2/file.c linux-4.9.217-vs2.3.9.12/fs/gfs2/file.c
+--- linux-4.9.217/fs/gfs2/file.c 2020-03-27 00:51:20.390501417 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/gfs2/file.c 2018-10-20 04:58:13.000000000 +0000
+@@ -137,6 +137,9 @@ static const u32 fsflags_to_gfs2[32] = {
[12] = GFS2_DIF_EXHASH,
[14] = GFS2_DIF_INHERIT_JDATA,
[17] = GFS2_DIF_TOPDIR,
};
static const u32 gfs2_to_fsflags[32] = {
-@@ -153,6 +156,9 @@ static const u32 gfs2_to_fsflags[32] = {
+@@ -147,6 +150,9 @@ static const u32 gfs2_to_fsflags[32] = {
[gfs2fl_ExHash] = FS_INDEX_FL,
[gfs2fl_TopLevel] = FS_TOPDIR_FL,
[gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
};
static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
-@@ -183,12 +189,18 @@ void gfs2_set_inode_flags(struct inode *
+@@ -178,12 +184,17 @@ void gfs2_set_inode_flags(struct inode *
{
struct gfs2_inode *ip = GFS2_I(inode);
unsigned int flags = inode->i_flags;
- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
- inode->i_flags |= S_NOSEC;
+ flags |= S_NOSEC;
if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
flags |= S_IMMUTABLE;
+ if (ip->i_diskflags & GFS2_DIF_IXUNLINK)
+ flags |= S_IXUNLINK;
-+
if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
flags |= S_APPEND;
if (ip->i_diskflags & GFS2_DIF_NOATIME)
-@@ -196,6 +208,43 @@ void gfs2_set_inode_flags(struct inode *
+@@ -191,6 +202,43 @@ void gfs2_set_inode_flags(struct inode *
if (ip->i_diskflags & GFS2_DIF_SYNC)
flags |= S_SYNC;
inode->i_flags = flags;
}
/* Flags that can be set by user space */
-@@ -309,6 +358,37 @@ static int gfs2_set_flags(struct file *f
- return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+@@ -306,6 +354,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~(GFS2_DIF_SYSTEM | GFS2_DIF_JDATA));
}
+int gfs2_sync_flags(struct inode *inode, int flags, int vflags)
static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch(cmd) {
-diff -NurpP --minimal linux-3.9.5/fs/gfs2/inode.h linux-3.9.5-vs2.3.6.5/fs/gfs2/inode.h
---- linux-3.9.5/fs/gfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/gfs2/inode.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/gfs2/inode.h linux-4.9.217-vs2.3.9.12/fs/gfs2/inode.h
+--- linux-4.9.217/fs/gfs2/inode.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/gfs2/inode.h 2018-10-20 04:58:13.000000000 +0000
@@ -117,6 +117,7 @@ extern const struct file_operations gfs2
extern const struct file_operations gfs2_dir_fops_nolock;
#ifdef CONFIG_GFS2_FS_LOCKING_DLM
extern const struct file_operations gfs2_file_fops;
-diff -NurpP --minimal linux-3.9.5/fs/hostfs/hostfs.h linux-3.9.5-vs2.3.6.5/fs/hostfs/hostfs.h
---- linux-3.9.5/fs/hostfs/hostfs.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/hostfs/hostfs.h 2013-06-12 23:49:08.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/hostfs/hostfs.h linux-4.9.217-vs2.3.9.12/fs/hostfs/hostfs.h
+--- linux-4.9.217/fs/hostfs/hostfs.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/hostfs/hostfs.h 2018-10-20 04:58:13.000000000 +0000
@@ -42,6 +42,7 @@ struct hostfs_iattr {
unsigned short ia_mode;
uid_t ia_uid;
loff_t ia_size;
struct timespec ia_atime;
struct timespec ia_mtime;
-diff -NurpP --minimal linux-3.9.5/fs/inode.c linux-3.9.5-vs2.3.6.5/fs/inode.c
---- linux-3.9.5/fs/inode.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/inode.c 2013-06-03 18:32:17.000000000 +0000
-@@ -17,6 +17,7 @@
- #include <linux/prefetch.h>
+diff -NurpP --minimal linux-4.9.217/fs/inode.c linux-4.9.217-vs2.3.9.12/fs/inode.c
+--- linux-4.9.217/fs/inode.c 2020-03-27 00:51:20.860494012 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/inode.c 2019-10-05 14:58:45.170315544 +0000
+@@ -18,6 +18,7 @@
#include <linux/buffer_head.h> /* for inode_has_buffers */
#include <linux/ratelimit.h>
+ #include <linux/list_lru.h>
+#include <linux/vs_tag.h>
+ #include <trace/events/writeback.h>
#include "internal.h"
- /*
-@@ -128,6 +129,8 @@ int inode_init_always(struct super_block
+@@ -133,6 +134,8 @@ int inode_init_always(struct super_block
struct address_space *const mapping = &inode->i_data;
inode->i_sb = sb;
inode->i_blkbits = sb->s_blocksize_bits;
inode->i_flags = 0;
atomic_set(&inode->i_count, 1);
-@@ -137,6 +140,7 @@ int inode_init_always(struct super_block
- inode->i_opflags = 0;
+@@ -144,6 +147,7 @@ int inode_init_always(struct super_block
+ inode->i_opflags |= IOP_XATTR;
i_uid_write(inode, 0);
i_gid_write(inode, 0);
+ i_tag_write(inode, 0);
atomic_set(&inode->i_writecount, 0);
inode->i_size = 0;
inode->i_blocks = 0;
-@@ -149,6 +153,7 @@ int inode_init_always(struct super_block
- inode->i_bdev = NULL;
- inode->i_cdev = NULL;
+@@ -155,6 +159,7 @@ int inode_init_always(struct super_block
+ inode->i_link = NULL;
+ inode->i_dir_seq = 0;
inode->i_rdev = 0;
+ inode->i_mdev = 0;
inode->dirtied_when = 0;
- if (security_inode_alloc(inode))
-@@ -483,6 +488,8 @@ void __insert_inode_hash(struct inode *i
+ #ifdef CONFIG_CGROUP_WRITEBACK
+@@ -479,6 +484,8 @@ void __insert_inode_hash(struct inode *i
}
EXPORT_SYMBOL(__insert_inode_hash);
/**
* __remove_inode_hash - remove an inode from the hash
* @inode: inode to unhash
-@@ -1799,9 +1806,11 @@ void init_special_inode(struct inode *in
+@@ -1982,9 +1989,11 @@ void init_special_inode(struct inode *in
if (S_ISCHR(mode)) {
inode->i_fop = &def_chr_fops;
inode->i_rdev = rdev;
inode->i_rdev = rdev;
+ inode->i_mdev = rdev;
} else if (S_ISFIFO(mode))
- inode->i_fop = &def_fifo_fops;
+ inode->i_fop = &pipefifo_fops;
else if (S_ISSOCK(mode))
-@@ -1830,6 +1839,7 @@ void inode_init_owner(struct inode *inod
+@@ -2019,6 +2028,7 @@ void inode_init_owner(struct inode *inod
} else
inode->i_gid = current_fsgid();
inode->i_mode = mode;
}
EXPORT_SYMBOL(inode_init_owner);
-diff -NurpP --minimal linux-3.9.5/fs/ioctl.c linux-3.9.5-vs2.3.6.5/fs/ioctl.c
---- linux-3.9.5/fs/ioctl.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ioctl.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ioctl.c linux-4.9.217-vs2.3.9.12/fs/ioctl.c
+--- linux-4.9.217/fs/ioctl.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ioctl.c 2018-10-20 04:58:13.000000000 +0000
@@ -15,6 +15,9 @@
#include <linux/writeback.h>
#include <linux/buffer_head.h>
+#include <linux/proc_fs.h>
+#include <linux/vserver/inode.h>
+#include <linux/vs_tag.h>
+ #include "internal.h"
#include <asm/ioctls.h>
-
-diff -NurpP --minimal linux-3.9.5/fs/ioprio.c linux-3.9.5-vs2.3.6.5/fs/ioprio.c
---- linux-3.9.5/fs/ioprio.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ioprio.c 2013-05-31 14:47:11.000000000 +0000
-@@ -28,6 +28,7 @@
- #include <linux/syscalls.h>
- #include <linux/security.h>
- #include <linux/pid_namespace.h>
-+#include <linux/vs_base.h>
-
- int set_task_ioprio(struct task_struct *task, int ioprio)
- {
-@@ -105,6 +106,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
- else
- pgrp = find_vpid(who);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- ret = set_task_ioprio(p, ioprio);
- if (ret)
- break;
-@@ -198,6 +201,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
- else
- pgrp = find_vpid(who);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- tmpio = get_task_ioprio(p);
- if (tmpio < 0)
- continue;
-diff -NurpP --minimal linux-3.9.5/fs/jfs/file.c linux-3.9.5-vs2.3.6.5/fs/jfs/file.c
---- linux-3.9.5/fs/jfs/file.c 2013-02-19 13:58:48.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/file.c 2013-05-31 14:47:11.000000000 +0000
-@@ -109,7 +109,8 @@ int jfs_setattr(struct dentry *dentry, s
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
+diff -NurpP --minimal linux-4.9.217/fs/jfs/file.c linux-4.9.217-vs2.3.9.12/fs/jfs/file.c
+--- linux-4.9.217/fs/jfs/file.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/file.c 2018-10-20 04:58:13.000000000 +0000
+@@ -113,7 +113,8 @@ int jfs_setattr(struct dentry *dentry, s
+ return rc;
+ }
if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
+ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
rc = dquot_transfer(inode, iattr);
if (rc)
return rc;
-@@ -144,6 +145,7 @@ const struct inode_operations jfs_file_i
- #ifdef CONFIG_JFS_POSIX_ACL
+@@ -146,6 +147,7 @@ const struct inode_operations jfs_file_i
.get_acl = jfs_get_acl,
+ .set_acl = jfs_set_acl,
#endif
+ .sync_flags = jfs_sync_flags,
};
const struct file_operations jfs_file_operations = {
-diff -NurpP --minimal linux-3.9.5/fs/jfs/ioctl.c linux-3.9.5-vs2.3.6.5/fs/jfs/ioctl.c
---- linux-3.9.5/fs/jfs/ioctl.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/ioctl.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/ioctl.c linux-4.9.217-vs2.3.9.12/fs/jfs/ioctl.c
+--- linux-4.9.217/fs/jfs/ioctl.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/ioctl.c 2018-10-20 04:58:13.000000000 +0000
@@ -12,6 +12,7 @@
#include <linux/time.h>
#include <linux/sched.h>
+ ((flags ^ oldflags) & (JFS_APPEND_FL |
+ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
if (!capable(CAP_LINUX_IMMUTABLE)) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
err = -EPERM;
@@ -115,7 +131,7 @@ long jfs_ioctl(struct file *filp, unsign
}
flags |= oldflags & ~JFS_FL_USER_MODIFIABLE;
jfs_inode->mode2 = flags;
-diff -NurpP --minimal linux-3.9.5/fs/jfs/jfs_dinode.h linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_dinode.h
---- linux-3.9.5/fs/jfs/jfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_dinode.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/jfs_dinode.h linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_dinode.h
+--- linux-4.9.217/fs/jfs/jfs_dinode.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_dinode.h 2018-10-20 04:58:13.000000000 +0000
@@ -161,9 +161,13 @@ struct dinode {
#define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
#define JFS_FL_INHERIT 0x03C80000
/* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
-diff -NurpP --minimal linux-3.9.5/fs/jfs/jfs_filsys.h linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_filsys.h
---- linux-3.9.5/fs/jfs/jfs_filsys.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_filsys.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/jfs_filsys.h linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_filsys.h
+--- linux-4.9.217/fs/jfs/jfs_filsys.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_filsys.h 2018-10-20 04:58:13.000000000 +0000
@@ -266,6 +266,7 @@
#define JFS_NAME_MAX 255
#define JFS_PATH_MAX BPSIZE
/*
* file system state (superblock state)
-diff -NurpP --minimal linux-3.9.5/fs/jfs/jfs_imap.c linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_imap.c
---- linux-3.9.5/fs/jfs/jfs_imap.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_imap.c 2013-06-03 19:53:45.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/jfs_imap.c linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_imap.c
+--- linux-4.9.217/fs/jfs/jfs_imap.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_imap.c 2018-10-20 04:58:13.000000000 +0000
@@ -46,6 +46,7 @@
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
-@@ -3058,6 +3059,8 @@ static int copy_from_dinode(struct dinod
+@@ -3046,6 +3047,8 @@ static int copy_from_dinode(struct dinod
{
struct jfs_inode_info *jfs_ip = JFS_IP(ip);
struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
-@@ -3078,14 +3081,18 @@ static int copy_from_dinode(struct dinod
+@@ -3066,14 +3069,18 @@ static int copy_from_dinode(struct dinod
}
set_nlink(ip, le32_to_cpu(dip->di_nlink));
if (!gid_valid(sbi->gid))
ip->i_gid = jfs_ip->saved_gid;
else {
-@@ -3150,16 +3157,14 @@ static void copy_to_dinode(struct dinode
+@@ -3138,16 +3145,14 @@ static void copy_to_dinode(struct dinode
dip->di_size = cpu_to_le64(ip->i_size);
dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
dip->di_nlink = cpu_to_le32(ip->i_nlink);
jfs_get_inode_flags(jfs_ip);
/*
* mode2 is only needed for storing the higher order bits.
-diff -NurpP --minimal linux-3.9.5/fs/jfs/jfs_inode.c linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_inode.c
---- linux-3.9.5/fs/jfs/jfs_inode.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_inode.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/jfs_inode.c linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_inode.c
+--- linux-4.9.217/fs/jfs/jfs_inode.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_inode.c 2018-10-20 04:58:14.000000000 +0000
@@ -18,6 +18,7 @@
#include <linux/fs.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
#include "jfs_filsys.h"
-@@ -30,29 +31,46 @@ void jfs_set_inode_flags(struct inode *i
- {
- unsigned int flags = JFS_IP(inode)->mode2;
-
-- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
-- S_NOATIME | S_DIRSYNC | S_SYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+@@ -33,6 +34,9 @@ void jfs_set_inode_flags(struct inode *i
if (flags & JFS_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
+ new_fl |= S_IMMUTABLE;
+ if (flags & JFS_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
++ new_fl |= S_IXUNLINK;
+
-+ if (flags & JFS_SYNC_FL)
-+ inode->i_flags |= S_SYNC;
if (flags & JFS_APPEND_FL)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
if (flags & JFS_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- if (flags & JFS_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-- if (flags & JFS_SYNC_FL)
-- inode->i_flags |= S_SYNC;
+@@ -41,18 +45,35 @@ void jfs_set_inode_flags(struct inode *i
+ new_fl |= S_DIRSYNC;
+ if (flags & JFS_SYNC_FL)
+ new_fl |= S_SYNC;
+- inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
+- S_DIRSYNC | S_SYNC);
+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
++ inode_set_flags(inode, new_fl, S_IMMUTABLE | S_IXUNLINK |
++ S_APPEND | S_NOATIME | S_DIRSYNC | S_SYNC);
+
++ new_fl = 0;
+ if (flags & JFS_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (flags & JFS_COW_FL)
-+ inode->i_vflags |= V_COW;
++ new_fl |= V_COW;
++
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
}
void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
if (flags & S_APPEND)
jfs_ip->mode2 |= JFS_APPEND_FL;
if (flags & S_NOATIME)
-@@ -61,6 +79,11 @@ void jfs_get_inode_flags(struct jfs_inod
+@@ -61,6 +82,11 @@ void jfs_get_inode_flags(struct jfs_inod
jfs_ip->mode2 |= JFS_DIRSYNC_FL;
if (flags & S_SYNC)
jfs_ip->mode2 |= JFS_SYNC_FL;
}
/*
-diff -NurpP --minimal linux-3.9.5/fs/jfs/jfs_inode.h linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_inode.h
---- linux-3.9.5/fs/jfs/jfs_inode.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/jfs_inode.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/jfs_inode.h linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_inode.h
+--- linux-4.9.217/fs/jfs/jfs_inode.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/jfs_inode.h 2018-10-20 04:58:14.000000000 +0000
@@ -39,6 +39,7 @@ extern struct dentry *jfs_fh_to_dentry(s
extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern int jfs_setattr(struct dentry *, struct iattr *);
-diff -NurpP --minimal linux-3.9.5/fs/jfs/namei.c linux-3.9.5-vs2.3.6.5/fs/jfs/namei.c
---- linux-3.9.5/fs/jfs/namei.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/namei.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/jfs/namei.c linux-4.9.217-vs2.3.9.12/fs/jfs/namei.c
+--- linux-4.9.217/fs/jfs/namei.c 2020-03-27 00:51:21.670481243 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/namei.c 2018-10-20 04:58:14.000000000 +0000
@@ -22,6 +22,7 @@
#include <linux/ctype.h>
#include <linux/quotaops.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_inode.h"
-@@ -1461,6 +1462,7 @@ static struct dentry *jfs_lookup(struct
+@@ -1480,6 +1481,7 @@ static struct dentry *jfs_lookup(struct
jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
}
return d_splice_alias(ip, dentry);
}
-@@ -1525,6 +1527,7 @@ const struct inode_operations jfs_dir_in
- #ifdef CONFIG_JFS_POSIX_ACL
+@@ -1542,6 +1544,7 @@ const struct inode_operations jfs_dir_in
.get_acl = jfs_get_acl,
+ .set_acl = jfs_set_acl,
#endif
+ .sync_flags = jfs_sync_flags,
};
const struct file_operations jfs_dir_operations = {
-diff -NurpP --minimal linux-3.9.5/fs/jfs/super.c linux-3.9.5-vs2.3.6.5/fs/jfs/super.c
---- linux-3.9.5/fs/jfs/super.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/jfs/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -199,7 +199,8 @@ enum {
+diff -NurpP --minimal linux-4.9.217/fs/jfs/super.c linux-4.9.217-vs2.3.9.12/fs/jfs/super.c
+--- linux-4.9.217/fs/jfs/super.c 2020-03-27 00:51:21.670481243 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/jfs/super.c 2018-10-20 04:58:14.000000000 +0000
+@@ -206,7 +206,8 @@ enum {
Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
};
static const match_table_t tokens = {
-@@ -209,6 +210,10 @@ static const match_table_t tokens = {
+@@ -216,6 +217,10 @@ static const match_table_t tokens = {
{Opt_resize, "resize=%u"},
{Opt_resize_nosize, "resize"},
{Opt_errors, "errors=%s"},
{Opt_ignore, "noquota"},
{Opt_ignore, "quota"},
{Opt_usrquota, "usrquota"},
-@@ -385,7 +390,20 @@ static int parse_options(char *options,
- }
+@@ -405,7 +410,20 @@ static int parse_options(char *options,
+ pr_err("JFS: discard option not supported on device\n");
break;
}
-
+ break;
+#endif
default:
- printk("jfs: Unrecognized mount option \"%s\" "
- " or missing value\n", p);
-@@ -417,6 +435,12 @@ static int jfs_remount(struct super_bloc
+ printk("jfs: Unrecognized mount option \"%s\" or missing value\n",
+ p);
+@@ -437,6 +455,12 @@ static int jfs_remount(struct super_bloc
+ if (!parse_options(data, sb, &newLVSize, &flag))
return -EINVAL;
- }
+ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
+ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
+
if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
- pr_err("JFS: resize requires volume" \
-@@ -502,6 +526,9 @@ static int jfs_fill_super(struct super_b
+ pr_err("JFS: resize requires volume to be mounted read-write\n");
+@@ -517,6 +541,9 @@ static int jfs_fill_super(struct super_b
#ifdef CONFIG_JFS_POSIX_ACL
sb->s_flags |= MS_POSIXACL;
#endif
if (newLVSize) {
pr_err("resize option for remount only\n");
-diff -NurpP --minimal linux-3.9.5/fs/libfs.c linux-3.9.5-vs2.3.6.5/fs/libfs.c
---- linux-3.9.5/fs/libfs.c 2013-02-19 13:58:48.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/libfs.c 2013-05-31 14:47:11.000000000 +0000
-@@ -135,7 +135,8 @@ static inline unsigned char dt_type(stru
+diff -NurpP --minimal linux-4.9.217/fs/libfs.c linux-4.9.217-vs2.3.9.12/fs/libfs.c
+--- linux-4.9.217/fs/libfs.c 2020-03-27 00:51:21.710480616 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/libfs.c 2019-10-22 13:49:06.407707139 +0000
+@@ -180,7 +180,8 @@ static inline unsigned char dt_type(stru
* both impossible due to the lock on directory.
*/
--int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
-+static inline int do_dcache_readdir_filter(struct file *filp,
-+ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
+-int dcache_readdir(struct file *file, struct dir_context *ctx)
++static inline int do_dcache_readdir_filter(struct file *file,
++ struct dir_context *ctx, int (*filter)(struct dentry *dentry))
{
- struct dentry *dentry = filp->f_path.dentry;
- struct dentry *cursor = filp->private_data;
-@@ -166,6 +167,8 @@ int dcache_readdir(struct file * filp, v
- for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
- struct dentry *next;
- next = list_entry(p, struct dentry, d_u.d_child);
-+ if (filter && !filter(next))
-+ continue;
- spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
- if (!simple_positive(next)) {
- spin_unlock(&next->d_lock);
-@@ -192,6 +195,17 @@ int dcache_readdir(struct file * filp, v
+ struct dentry *dentry = file->f_path.dentry;
+ struct dentry *cursor = file->private_data;
+@@ -197,9 +198,10 @@ int dcache_readdir(struct file *file, st
+ p = &cursor->d_child;
+
+ while ((p = scan_positives(cursor, p, 1, &next)) != anchor) {
+- if (!dir_emit(ctx, next->d_name.name, next->d_name.len,
++ if (!filter || filter(next))
++ if (!dir_emit(ctx, next->d_name.name, next->d_name.len,
+ d_inode(next)->i_ino, dt_type(d_inode(next))))
+- break;
++ break;
+ ctx->pos++;
+ }
+ spin_lock(&dentry->d_lock);
+@@ -209,8 +211,22 @@ int dcache_readdir(struct file *file, st
+
return 0;
}
++
+ EXPORT_SYMBOL(dcache_readdir);
-+int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
++int dcache_readdir(struct file *filp, struct dir_context *ctx)
+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
++ return do_dcache_readdir_filter(filp, ctx, NULL);
+}
+
-+int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
++EXPORT_SYMBOL(dcache_readdir_filter);
++
++int dcache_readdir_filter(struct file *filp, struct dir_context *ctx,
+ int (*filter)(struct dentry *))
+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
++ return do_dcache_readdir_filter(filp, ctx, filter);
+}
+
ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
{
return -EISDIR;
-@@ -981,6 +995,7 @@ EXPORT_SYMBOL(dcache_dir_close);
- EXPORT_SYMBOL(dcache_dir_lseek);
- EXPORT_SYMBOL(dcache_dir_open);
- EXPORT_SYMBOL(dcache_readdir);
-+EXPORT_SYMBOL(dcache_readdir_filter);
- EXPORT_SYMBOL(generic_read_dir);
- EXPORT_SYMBOL(mount_pseudo);
- EXPORT_SYMBOL(simple_write_begin);
-diff -NurpP --minimal linux-3.9.5/fs/locks.c linux-3.9.5-vs2.3.6.5/fs/locks.c
---- linux-3.9.5/fs/locks.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/locks.c 2013-06-12 23:49:08.000000000 +0000
-@@ -126,6 +126,8 @@
- #include <linux/time.h>
- #include <linux/rcupdate.h>
+diff -NurpP --minimal linux-4.9.217/fs/locks.c linux-4.9.217-vs2.3.9.12/fs/locks.c
+--- linux-4.9.217/fs/locks.c 2020-03-27 00:51:21.800479197 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/locks.c 2020-04-01 09:40:28.545466623 +0000
+@@ -127,6 +127,8 @@
#include <linux/pid_namespace.h>
+ #include <linux/hashtable.h>
+ #include <linux/percpu.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
-
-@@ -184,11 +186,17 @@ static void locks_init_lock_heads(struct
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/filelock.h>
+@@ -292,11 +294,15 @@ static void locks_init_lock_heads(struct
/* Allocate an empty lock structure. */
struct file_lock *locks_alloc_lock(void)
{
- if (fl)
- locks_init_lock_heads(fl);
-+ if (!vx_locks_avail(1))
-+ return NULL;
-
+ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
-+
+
+ if (fl) {
+ locks_init_lock_heads(fl);
++ vx_locks_inc(fl);
+ fl->fl_xid = -1;
+ }
return fl;
}
EXPORT_SYMBOL_GPL(locks_alloc_lock);
-@@ -212,6 +220,7 @@ void locks_free_lock(struct file_lock *f
- BUG_ON(!list_empty(&fl->fl_block));
- BUG_ON(!list_empty(&fl->fl_link));
-
-+ vx_locks_dec(fl);
- locks_release_private(fl);
- kmem_cache_free(filelock_cache, fl);
- }
-@@ -221,6 +230,7 @@ void locks_init_lock(struct file_lock *f
+@@ -348,6 +354,7 @@ void locks_init_lock(struct file_lock *f
{
memset(fl, 0, sizeof(struct file_lock));
locks_init_lock_heads(fl);
}
EXPORT_SYMBOL(locks_init_lock);
-@@ -261,6 +271,7 @@ void locks_copy_lock(struct file_lock *n
- new->fl_file = fl->fl_file;
- new->fl_ops = fl->fl_ops;
+@@ -365,6 +372,7 @@ void locks_copy_conflock(struct file_loc
+ new->fl_start = fl->fl_start;
+ new->fl_end = fl->fl_end;
new->fl_lmops = fl->fl_lmops;
+ new->fl_xid = fl->fl_xid;
+ new->fl_ops = NULL;
- locks_copy_private(new, fl);
- }
-@@ -299,6 +310,11 @@ static int flock_make_lock(struct file *
+ if (fl->fl_lmops) {
+@@ -426,7 +434,10 @@ flock_make_lock(struct file *filp, unsig
fl->fl_flags = FL_FLOCK;
fl->fl_type = type;
fl->fl_end = OFFSET_MAX;
+-
+
+ vxd_assert(filp->f_xid == vx_current_xid(),
+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
+ fl->fl_xid = filp->f_xid;
-+ vx_locks_inc(fl);
-
- *lock = fl;
- return 0;
-@@ -438,6 +454,7 @@ static int lease_init(struct file *filp,
+ return fl;
+ }
- fl->fl_owner = current->files;
+@@ -548,6 +559,7 @@ static int lease_init(struct file *filp,
+
+ fl->fl_owner = filp;
fl->fl_pid = current->tgid;
+ fl->fl_xid = vx_current_xid();
fl->fl_file = filp;
fl->fl_flags = FL_LEASE;
-@@ -457,6 +474,11 @@ static struct file_lock *lease_alloc(str
+@@ -567,6 +579,10 @@ static struct file_lock *lease_alloc(str
if (fl == NULL)
return ERR_PTR(error);
+ if (filp)
+ vxd_assert(filp->f_xid == fl->fl_xid,
+ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
-+ vx_locks_inc(fl);
error = lease_init(filp, type, fl);
if (error) {
locks_free_lock(fl);
-@@ -753,6 +775,7 @@ static int flock_lock_file(struct file *
- lock_flocks();
+@@ -956,6 +972,7 @@ static int flock_lock_inode(struct inode
+ goto out;
}
+ new_fl->fl_xid = -1;
find_conflict:
- for_each_lock(inode, before) {
- struct file_lock *fl = *before;
-@@ -773,6 +796,7 @@ find_conflict:
- goto out;
- locks_copy_lock(new_fl, request);
- locks_insert_lock(before, new_fl);
-+ vx_locks_inc(new_fl);
- new_fl = NULL;
- error = 0;
-
-@@ -783,7 +807,8 @@ out:
- return error;
+ list_for_each_entry(fl, &ctx->flc_flock, fl_list) {
+ if (!flock_locks_conflict(request, fl))
+@@ -984,7 +1001,7 @@ out:
}
--static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conflock)
-+static int __posix_lock_file(struct inode *inode, struct file_lock *request,
-+ struct file_lock *conflock, vxid_t xid)
+ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
+- struct file_lock *conflock)
++ struct file_lock *conflock, vxid_t xid)
{
- struct file_lock *fl;
+ struct file_lock *fl, *tmp;
struct file_lock *new_fl = NULL;
-@@ -793,6 +818,8 @@ static int __posix_lock_file(struct inod
- struct file_lock **before;
- int error, added = 0;
+@@ -1000,6 +1017,9 @@ static int posix_lock_inode(struct inode
+ if (!ctx)
+ return (request->fl_type == F_UNLCK) ? 0 : -ENOMEM;
-+ vxd_assert(xid == vx_current_xid(),
-+ "xid(%d) == current(%d)", xid, vx_current_xid());
++ if (xid)
++ vxd_assert(xid == vx_current_xid(),
++ "xid(%d) == current(%d)", xid, vx_current_xid());
/*
* We may need two file_lock structures for this operation,
* so we get them in advance to avoid races.
-@@ -803,7 +830,11 @@ static int __posix_lock_file(struct inod
+@@ -1010,7 +1030,11 @@ static int posix_lock_inode(struct inode
(request->fl_type != F_UNLCK ||
request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
new_fl = locks_alloc_lock();
+ new_fl->fl_xid = xid;
-+ vx_locks_inc(new_fl);
++ // vx_locks_inc(new_fl);
new_fl2 = locks_alloc_lock();
+ new_fl2->fl_xid = xid;
-+ vx_locks_inc(new_fl2);
++ // vx_locks_inc(new_fl2);
}
- lock_flocks();
-@@ -1002,7 +1033,8 @@ static int __posix_lock_file(struct inod
+ percpu_down_read_preempt_disable(&file_rwsem);
+@@ -1216,7 +1240,7 @@ static int posix_lock_inode(struct inode
int posix_lock_file(struct file *filp, struct file_lock *fl,
struct file_lock *conflock)
{
-- return __posix_lock_file(file_inode(filp), fl, conflock);
-+ return __posix_lock_file(file_inode(filp),
-+ fl, conflock, filp->f_xid);
+- return posix_lock_inode(locks_inode(filp), fl, conflock);
++ return posix_lock_inode(locks_inode(filp), fl, conflock, filp->f_xid);
}
EXPORT_SYMBOL(posix_lock_file);
-@@ -1092,7 +1124,7 @@ int locks_mandatory_area(int read_write,
- fl.fl_end = offset + count - 1;
+@@ -1232,7 +1256,7 @@ static int posix_lock_inode_wait(struct
+ int error;
+ might_sleep ();
+ for (;;) {
+- error = posix_lock_inode(inode, fl, NULL);
++ error = posix_lock_inode(inode, fl, NULL, 0);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
+@@ -1308,10 +1332,13 @@ int locks_mandatory_area(struct inode *i
+ fl.fl_end = end;
for (;;) {
-- error = __posix_lock_file(inode, &fl, NULL);
-+ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
++ vxid_t f_xid = 0;
++
+ if (filp) {
+ fl.fl_owner = filp;
+ fl.fl_flags &= ~FL_SLEEP;
+- error = posix_lock_inode(inode, &fl, NULL);
++ f_xid = filp->f_xid;
++ error = posix_lock_inode(inode, &fl, NULL, f_xid);
+ if (!error)
+ break;
+ }
+@@ -1319,7 +1346,7 @@ int locks_mandatory_area(struct inode *i
+ if (sleep)
+ fl.fl_flags |= FL_SLEEP;
+ fl.fl_owner = current->files;
+- error = posix_lock_inode(inode, &fl, NULL);
++ error = posix_lock_inode(inode, &fl, NULL, f_xid);
if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
-@@ -1397,6 +1429,7 @@ int generic_add_lease(struct file *filp,
- goto out;
-
- locks_insert_lock(before, lease);
-+ vx_locks_inc(lease);
- return 0;
-
- out:
-@@ -1836,6 +1869,11 @@ int fcntl_setlk(unsigned int fd, struct
+@@ -2374,6 +2401,16 @@ int fcntl_setlk64(unsigned int fd, struc
if (file_lock == NULL)
return -ENOLCK;
+ vxd_assert(filp->f_xid == vx_current_xid(),
+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
+ file_lock->fl_xid = filp->f_xid;
-+ vx_locks_inc(file_lock);
++ // vx_locks_inc(file_lock);
+
- /*
- * This might block, so we do it before checking the inode.
- */
-@@ -1954,6 +1992,11 @@ int fcntl_setlk64(unsigned int fd, struc
- if (file_lock == NULL)
- return -ENOLCK;
-
+ vxd_assert(filp->f_xid == vx_current_xid(),
+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
+ file_lock->fl_xid = filp->f_xid;
-+ vx_locks_inc(file_lock);
++ // vx_locks_inc(file_lock);
+
/*
* This might block, so we do it before checking the inode.
*/
-@@ -2219,8 +2262,11 @@ static int locks_show(struct seq_file *f
+@@ -2710,8 +2747,11 @@ static int locks_show(struct seq_file *f
- lock_get_status(f, fl, *((loff_t *)f->private), "");
+ lock_get_status(f, fl, iter->li_pos, "");
- list_for_each_entry(bfl, &fl->fl_block, fl_block)
+ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
+ if (!vx_check(fl->fl_xid, VS_WATCH_P | VS_IDENT))
+ continue;
- lock_get_status(f, bfl, *((loff_t *)f->private), " ->");
+ lock_get_status(f, bfl, iter->li_pos, " ->");
+ }
return 0;
}
-diff -NurpP --minimal linux-3.9.5/fs/mount.h linux-3.9.5-vs2.3.6.5/fs/mount.h
---- linux-3.9.5/fs/mount.h 2013-02-19 13:58:48.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/mount.h 2013-06-12 23:49:08.000000000 +0000
-@@ -49,6 +49,7 @@ struct mount {
- int mnt_expiry_mark; /* true if marked for expiry */
- int mnt_pinned;
- int mnt_ghosts;
+diff -NurpP --minimal linux-4.9.217/fs/mount.h linux-4.9.217-vs2.3.9.12/fs/mount.h
+--- linux-4.9.217/fs/mount.h 2020-03-27 00:51:21.850478409 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/mount.h 2018-10-20 04:58:14.000000000 +0000
+@@ -69,6 +69,7 @@ struct mount {
+ struct hlist_head mnt_pins;
+ struct fs_pin mnt_umount;
+ struct dentry *mnt_ex_mountpoint;
+ vtag_t mnt_tag; /* tagging used for vfsmount */
};
#define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
-diff -NurpP --minimal linux-3.9.5/fs/namei.c linux-3.9.5-vs2.3.6.5/fs/namei.c
---- linux-3.9.5/fs/namei.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/namei.c 2013-06-12 23:49:08.000000000 +0000
-@@ -34,6 +34,14 @@
- #include <linux/device_cgroup.h>
- #include <linux/fs_struct.h>
- #include <linux/posix_acl.h>
+diff -NurpP --minimal linux-4.9.217/fs/namei.c linux-4.9.217-vs2.3.9.12/fs/namei.c
+--- linux-4.9.217/fs/namei.c 2020-03-27 00:51:21.910477461 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/namei.c 2020-04-01 09:40:28.545466623 +0000
+@@ -37,9 +37,19 @@
+ #include <linux/hash.h>
+ #include <linux/bitops.h>
+ #include <linux/init_task.h>
+#include <linux/proc_fs.h>
++#include <linux/magic.h>
+#include <linux/vserver/inode.h>
+#include <linux/vs_base.h>
+#include <linux/vs_tag.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -266,6 +274,89 @@ static int check_acl(struct inode *inode
++#include "proc/internal.h"
+ #include "mount.h"
+
+ /* [Feb-1997 T. Schoebel-Theuer]
+@@ -286,6 +296,93 @@ static int check_acl(struct inode *inode
return -EAGAIN;
}
+ else if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) {
+ struct proc_dir_entry *de = PDE(inode);
+
-+ if (de && !vx_hide_check(0, de->vx_flags))
++ if (de && !vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s") " hidden by _dx_permission",
++ de->namelen, de->name);
+ goto out;
++ }
+
+ if ((mask & (MAY_WRITE | MAY_APPEND))) {
+ struct pid *pid;
/*
* This does the basic permission checking
*/
-@@ -388,10 +479,14 @@ int __inode_permission(struct inode *ino
+@@ -410,7 +507,7 @@ int __inode_permission(struct inode *ino
/*
* Nobody gets write access to an immutable file.
*/
- if (IS_IMMUTABLE(inode))
+ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
+ return -EPERM;
+
+ /*
+@@ -422,6 +519,10 @@ int __inode_permission(struct inode *ino
return -EACCES;
}
retval = do_inode_permission(inode, mask);
if (retval)
return retval;
-@@ -1238,7 +1333,8 @@ static void follow_dotdot(struct nameida
-
- if (nd->path.dentry == nd->root.dentry &&
- nd->path.mnt == nd->root.mnt) {
-- break;
-+ /* for sane '/' avoid follow_mount() */
-+ return;
- }
- if (nd->path.dentry != nd->path.mnt->mnt_root) {
- /* rare case of legitimate dget_parent()... */
-@@ -1383,6 +1479,9 @@ static int lookup_fast(struct nameidata
- goto unlazy;
- }
- }
-+
-+ /* FIXME: check dx permission */
-+
- path->mnt = mnt;
- path->dentry = dentry;
- if (unlikely(!__follow_mount_rcu(nd, path, inode)))
-@@ -1413,6 +1512,8 @@ unlazy:
- }
- }
-
-+ /* FIXME: check dx permission */
-+
- path->mnt = mnt;
- path->dentry = dentry;
- err = follow_managed(path, nd->flags);
-@@ -2237,7 +2338,7 @@ static int may_delete(struct inode *dir,
- if (IS_APPEND(dir))
+@@ -2825,7 +2926,7 @@ static int may_delete(struct inode *dir,
return -EPERM;
- if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
-- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
-+ IS_IXORUNLINK(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
+
+ if (check_sticky(dir, inode) || IS_APPEND(inode) ||
+- IS_IMMUTABLE(inode) || IS_SWAPFILE(inode) || HAS_UNMAPPED_ID(inode))
++ IS_IXORUNLINK(inode) || IS_SWAPFILE(inode) || HAS_UNMAPPED_ID(inode))
return -EPERM;
if (isdir) {
- if (!S_ISDIR(victim->d_inode->i_mode))
-@@ -2316,19 +2417,25 @@ int vfs_create(struct inode *dir, struct
+ if (!d_is_dir(victim))
+@@ -2913,19 +3014,25 @@ int vfs_create(struct inode *dir, struct
bool want_excl)
{
int error = may_create(dir, dentry);
+ vxdprintk(VXD_CBIT(misc, 3), "i_op->create failed with %d", error);
return error;
}
-
-@@ -2363,6 +2470,15 @@ static int may_open(struct path *path, i
+ EXPORT_SYMBOL(vfs_create);
+@@ -2963,6 +3070,15 @@ static int may_open(struct path *path, i
break;
}
+ mark_inode_dirty(inode);
+ }
+#endif
- error = inode_permission(inode, acc_mode);
+ error = inode_permission(inode, MAY_OPEN | acc_mode);
if (error)
return error;
-@@ -2865,6 +2981,16 @@ finish_open:
+@@ -3423,6 +3539,16 @@ finish_open:
}
finish_open_created:
error = may_open(&nd->path, acc_mode, open_flag);
+#ifdef CONFIG_VSERVER_COWBL
+ if (error == -EMLINK) {
+ struct dentry *dentry;
-+ dentry = cow_break_link(name->name);
++ dentry = cow_break_link(nd->name->name);
+ if (IS_ERR(dentry))
+ error = PTR_ERR(dentry);
+ else
+#endif
if (error)
goto out;
- file->f_path.mnt = nd->path.mnt;
-@@ -2929,6 +3055,7 @@ static struct file *path_openat(int dfd,
+ BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */
+@@ -3526,6 +3652,9 @@ static struct file *path_openat(struct n
int opened = 0;
int error;
++#ifdef CONFIG_VSERVER_COWBL
+restart:
++#endif
file = get_empty_filp();
if (IS_ERR(file))
return file;
-@@ -2965,6 +3092,16 @@ static struct file *path_openat(int dfd,
- error = do_last(nd, &path, file, op, &opened, pathname);
- put_link(nd, &link, cookie);
+@@ -3559,6 +3688,12 @@ static struct file *path_openat(struct n
+ }
}
-+
+ terminate_walk(nd);
+#ifdef CONFIG_VSERVER_COWBL
+ if (error == -EMLINK) {
-+ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
-+ path_put(&nd->root);
-+ if (base)
-+ fput(base);
++ // path_cleanup(nd);
+ goto restart;
+ }
+#endif
- out:
- if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
- path_put(&nd->root);
-@@ -3079,6 +3216,11 @@ struct dentry *kern_path_create(int dfd,
+ out2:
+ if (!(opened & FILE_OPENED)) {
+ BUG_ON(!error);
+@@ -3679,6 +3814,11 @@ static struct dentry *filename_create(in
goto fail;
}
- *path = nd.path;
-+ vxdprintk(VXD_CBIT(misc, 3), "kern_path_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
+ putname(name);
++ vxdprintk(VXD_CBIT(misc, 3), "filename_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
+ path->dentry, path->dentry->d_name.len,
+ path->dentry->d_name.name, dentry,
+ dentry->d_name.len, dentry->d_name.name,
return dentry;
fail:
dput(dentry);
-@@ -3573,7 +3715,7 @@ int vfs_link(struct dentry *old_dentry,
+@@ -3797,6 +3937,7 @@ retry:
+ error = vfs_mknod(path.dentry->d_inode,dentry,mode,0);
+ break;
+ }
++
+ out:
+ done_path_create(&path, dentry);
+ if (retry_estale(error, lookup_flags)) {
+@@ -4218,7 +4359,7 @@ int vfs_link(struct dentry *old_dentry,
/*
* A link to an append-only or immutable file cannot be created.
*/
- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
return -EPERM;
- if (!dir->i_op->link)
- return -EPERM;
-@@ -3976,6 +4118,286 @@ int vfs_follow_link(struct nameidata *nd
- return __vfs_follow_link(nd, link);
+ /*
+ * Updating the link count will likely cause i_uid and i_gid to
+@@ -4748,6 +4889,326 @@ const char *vfs_get_link(struct dentry *
}
+ EXPORT_SYMBOL(vfs_get_link);
+
+#ifdef CONFIG_VSERVER_COWBL
+
+static inline
++void dump_path(const char *name, struct path *path)
++{
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path=%p mnt=%p dentry=%p", name, path,
++ path ? path->mnt : NULL,
++ path ? path->dentry : NULL);
++
++ if (path && path->mnt)
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path mnt_sb=%p[#%d,#%d] mnt_root=%p[#%d]", name,
++ path->mnt->mnt_sb,
++ path->mnt->mnt_sb ? path->mnt->mnt_sb->s_count : -1,
++ path->mnt->mnt_sb ? atomic_read(&path->mnt->mnt_sb->s_active) : -1,
++ path->mnt->mnt_root,
++ path->mnt->mnt_root ? path->mnt->mnt_root->d_lockref.count : -1);
++
++ if (path && path->dentry)
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path dentry=%p[#%d]", name,
++ path->dentry,
++ path->dentry ? path->dentry->d_lockref.count : -1);
++}
++
++static inline
+long do_cow_splice(struct file *in, struct file *out, size_t len)
+{
+ loff_t ppos = 0;
++ loff_t opos = 0;
+
-+ return do_splice_direct(in, &ppos, out, len, 0);
++ return do_splice_direct(in, &ppos, out, &opos, len, 0);
+}
+
+struct dentry *cow_break_link(const char *pathname)
+{
+ int ret, mode, pathlen, redo = 0, drop = 1;
-+ struct nameidata old_nd, dir_nd;
-+ struct path dir_path, *old_path, *new_path;
++ struct path old_path = {}, par_path = {}, dir_path = {}, *new_path = NULL;
+ struct dentry *dir, *old_dentry, *new_dentry = NULL;
+ struct file *old_file;
+ struct file *new_file;
++ struct qstr new_qstr;
++ int new_type;
+ char *to, *path, pad='\251';
+ loff_t size;
++ struct filename *filename = getname_kernel(pathname);
++ struct filename *to_filename;
+
+ vxdprintk(VXD_CBIT(misc, 1),
+ "cow_break_link(" VS_Q("%s") ")", pathname);
+
+ path = kmalloc(PATH_MAX, GFP_KERNEL);
+ ret = -ENOMEM;
-+ if (!path)
++ if (!path || IS_ERR(filename))
+ goto out;
+
-+ /* old_nd.path will have refs to dentry and mnt */
-+ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ /* old_path will have refs to dentry and mnt */
++ ret = filename_lookup(AT_FDCWD, filename, LOOKUP_FOLLOW, &old_path, NULL);
+ vxdprintk(VXD_CBIT(misc, 2),
+ "do_path_lookup(old): %d", ret);
+ if (ret < 0)
+ goto out_free_path;
+
-+ /* dentry/mnt refs handed over to old_path */
-+ old_path = &old_nd.path;
++ dump_path("cow (old)", &old_path);
++
+ /* no explicit reference for old_dentry here */
-+ old_dentry = old_path->dentry;
++ old_dentry = old_path.dentry;
+
+ mode = old_dentry->d_inode->i_mode;
-+ to = d_path(old_path, path, PATH_MAX-2);
++ to = d_path(&old_path, path, PATH_MAX-2);
+ pathlen = strlen(to);
+ vxdprintk(VXD_CBIT(misc, 2),
+ "old path " VS_Q("%s") " [%p:" VS_Q("%.*s") ":%d]", to,
+
+ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
+
-+ /* dir_nd.path will have refs to dentry and mnt */
-+ ret = do_path_lookup(AT_FDCWD, to,
-+ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
-+ vxdprintk(VXD_CBIT(misc, 2), "do_path_lookup(new): %d", ret);
-+ if (ret < 0)
++ /* dir_path will have refs to dentry and mnt */
++ to_filename = getname_kernel(to);
++ to_filename = filename_parentat(AT_FDCWD, to_filename,
++ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &par_path, &new_qstr, &new_type);
++ vxdprintk(VXD_CBIT(misc, 2), "filename_parentat(new): %p", to_filename);
++ dump_path("cow (par)", &par_path);
++ if (IS_ERR(to_filename))
+ goto retry;
+
++ vxdprintk(VXD_CBIT(misc, 2), "to_filename refcnt=%d", to_filename->refcnt);
++
+ /* this puppy downs the dir inode mutex if successful.
+ dir_path will hold refs to dentry and mnt and
+ we'll have write access to the mnt */
-+ new_dentry = kern_path_create(AT_FDCWD, to, &dir_path, 0);
++ new_dentry = filename_create(AT_FDCWD, to_filename, &dir_path, 0);
+ if (!new_dentry || IS_ERR(new_dentry)) {
-+ path_put(&dir_nd.path);
++ path_put(&par_path);
+ vxdprintk(VXD_CBIT(misc, 2),
-+ "kern_path_create(new) failed with %ld",
++ "filename_create(new) failed with %ld",
+ PTR_ERR(new_dentry));
+ goto retry;
+ }
+ vxdprintk(VXD_CBIT(misc, 2),
-+ "kern_path_create(new): %p [" VS_Q("%.*s") ":%d]",
++ "filename_create(new): %p [" VS_Q("%.*s") ":%d]",
+ new_dentry,
+ new_dentry->d_name.len, new_dentry->d_name.name,
+ new_dentry->d_name.len);
+
++ dump_path("cow (dir)", &dir_path);
++
+ /* take a reference on new_dentry */
+ dget(new_dentry);
+
+ new_path = &dir_path;
+
+ /* dentry for old/new dir */
-+ dir = dir_nd.path.dentry;
++ dir = par_path.dentry;
+
+ /* give up reference on dir */
+ dput(new_path->dentry);
+ vxdprintk(VXD_CBIT(misc, 2),
+ "vfs_create(new): %d", ret);
+ if (ret == -EEXIST) {
-+ path_put(&dir_nd.path);
-+ mutex_unlock(&dir->d_inode->i_mutex);
++ path_put(&par_path);
++ inode_unlock(dir->d_inode);
+ mnt_drop_write(new_path->mnt);
+ path_put(new_path);
+ new_dentry = NULL;
+ else if (ret < 0)
+ goto out_unlock_new;
+
-+ /* drop out early, ret passes ENOENT */
++ /* the old file went away */
+ ret = -ENOENT;
+ if ((redo = d_unhashed(old_dentry)))
+ goto out_unlock_new;
+
+ /* doesn't change refs for old_path */
-+ old_file = dentry_open(old_path, O_RDONLY, current_cred());
++ old_file = dentry_open(&old_path, O_RDONLY, current_cred());
+ vxdprintk(VXD_CBIT(misc, 2),
+ "dentry_open(old): %p", old_file);
+ if (IS_ERR(old_file)) {
+ goto out_fput_old;
+ }
+
-+ /* unlock the inode mutex from kern_path_create() */
-+ mutex_unlock(&dir->d_inode->i_mutex);
++ /* unlock the inode from filename_create() */
++ inode_unlock(dir->d_inode);
+
+ /* drop write access to mnt */
+ mnt_drop_write(new_path->mnt);
+
+ drop = 0;
+
-+ size = i_size_read(old_file->f_dentry->d_inode);
++ size = i_size_read(old_file->f_path.dentry->d_inode);
+ ret = do_cow_splice(old_file, new_file, size);
+ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
+ if (ret < 0) {
+ new_dentry->d_name.len,
+ old_dentry->d_name.len, old_dentry->d_name.name,
+ old_dentry->d_name.len);
-+ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_dentry,
-+ old_dentry->d_parent->d_inode, old_dentry);
++ ret = vfs_rename(par_path.dentry->d_inode, new_dentry,
++ old_dentry->d_parent->d_inode, old_dentry, NULL, 0);
+ vxdprintk(VXD_CBIT(misc, 2), "vfs_rename: %d", ret);
+
+out_unlock:
+ fput(old_file);
+
+out_unlock_new:
-+ /* drop references from dir_nd.path */
-+ path_put(&dir_nd.path);
++ /* drop references from par_path */
++ path_put(&par_path);
+
+ if (drop) {
-+ /* unlock the inode mutex from kern_path_create() */
-+ mutex_unlock(&dir->d_inode->i_mutex);
++ /* unlock the inode from filename_create() */
++ inode_unlock(dir->d_inode);
+
+ /* drop write access to mnt */
+ mnt_drop_write(new_path->mnt);
+ goto out_redo;
+
+ /* error path cleanup */
-+ vfs_unlink(dir->d_inode, new_dentry);
++ vfs_unlink(dir->d_inode, new_dentry, NULL);
+
+out_redo:
+ if (!redo)
+ goto out_rel_both;
+
+ /* lookup dentry once again
-+ old_nd.path will be freed as old_path in out_rel_old */
-+ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ old_path will be freed as old_path in out_rel_old */
++ ret = filename_lookup(AT_FDCWD, filename, LOOKUP_FOLLOW, &old_path, NULL);
+ if (ret)
+ goto out_rel_both;
+
+ /* drop reference on new_dentry */
+ dput(new_dentry);
-+ new_dentry = old_path->dentry;
++ new_dentry = old_path.dentry;
+ dget(new_dentry);
+ vxdprintk(VXD_CBIT(misc, 2),
+ "do_path_lookup(redo): %p [" VS_Q("%.*s") ":%d]",
+ new_dentry->d_name.len);
+
+out_rel_both:
++ dump_path("put (new)", new_path);
+ if (new_path)
+ path_put(new_path);
+out_rel_old:
-+ path_put(old_path);
++ dump_path("put (old)", &old_path);
++ path_put(&old_path);
+out_free_path:
+ kfree(path);
+out:
+ dput(new_dentry);
+ new_dentry = ERR_PTR(ret);
+ }
++ // if (!IS_ERR(filename))
++ // putname(filename);
+ vxdprintk(VXD_CBIT(misc, 3),
+ "cow_break_link returning with %p", new_dentry);
+ return new_dentry;
+ return length;
+}
+
- /* get the link contents into pagecache */
- static char *page_getlink(struct dentry * dentry, struct page **ppage)
- {
-@@ -4099,3 +4521,4 @@ EXPORT_SYMBOL(vfs_symlink);
- EXPORT_SYMBOL(vfs_unlink);
- EXPORT_SYMBOL(dentry_unhash);
- EXPORT_SYMBOL(generic_readlink);
+EXPORT_SYMBOL(vx_info_mnt_namespace);
-diff -NurpP --minimal linux-3.9.5/fs/namespace.c linux-3.9.5-vs2.3.6.5/fs/namespace.c
---- linux-3.9.5/fs/namespace.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/namespace.c 2013-06-12 23:49:08.000000000 +0000
-@@ -22,6 +22,11 @@
- #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */
- #include <linux/uaccess.h>
- #include <linux/proc_fs.h>
++
+ /* get the link contents into pagecache */
+ const char *page_get_link(struct dentry *dentry, struct inode *inode,
+ struct delayed_call *callback)
+diff -NurpP --minimal linux-4.9.217/fs/namespace.c linux-4.9.217-vs2.3.9.12/fs/namespace.c
+--- linux-4.9.217/fs/namespace.c 2020-03-27 00:51:21.950476834 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/namespace.c 2019-02-22 08:37:55.023061290 +0000
+@@ -24,6 +24,11 @@
+ #include <linux/magic.h>
+ #include <linux/bootmem.h>
+ #include <linux/task_work.h>
+#include <linux/vs_base.h>
+#include <linux/vs_context.h>
+#include <linux/vs_tag.h>
#include "pnode.h"
#include "internal.h"
-@@ -751,6 +756,10 @@ vfs_kern_mount(struct file_system_type *
+@@ -980,6 +985,10 @@ vfs_kern_mount(struct file_system_type *
if (!type)
return ERR_PTR(-ENODEV);
mnt = alloc_vfsmnt(name);
if (!mnt)
return ERR_PTR(-ENOMEM);
-@@ -807,6 +816,7 @@ static struct mount *clone_mnt(struct mo
+@@ -1071,6 +1080,7 @@ static struct mount *clone_mnt(struct mo
mnt->mnt.mnt_root = dget(root);
mnt->mnt_mountpoint = mnt->mnt.mnt_root;
mnt->mnt_parent = mnt;
-+ mnt->mnt_tag = old->mnt_tag;
- br_write_lock(&vfsmount_lock);
++ mnt->mnt_tag = old->mnt_tag;
+ lock_mount_hash();
list_add_tail(&mnt->mnt_instance, &sb->s_mounts);
- br_write_unlock(&vfsmount_lock);
-@@ -1639,6 +1649,7 @@ static int do_change_type(struct path *p
+ unlock_mount_hash();
+@@ -1666,7 +1676,8 @@ out_unlock:
+ */
+ static inline bool may_mount(void)
+ {
+- return ns_capable(current->nsproxy->mnt_ns->user_ns, CAP_SYS_ADMIN);
++ return vx_ns_capable(current->nsproxy->mnt_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SECURE_MOUNT);
+ }
+
+ static inline bool may_mandlock(void)
+@@ -2181,6 +2192,7 @@ static int do_change_type(struct path *p
if (err)
goto out_unlock;
}
+ // mnt->mnt_flags = mnt_flags;
- br_write_lock(&vfsmount_lock);
+ lock_mount_hash();
for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
-@@ -1654,12 +1665,14 @@ static int do_change_type(struct path *p
+@@ -2209,12 +2221,14 @@ static bool has_locked_children(struct m
* do loopback mount.
*/
static int do_loopback(struct path *path, const char *old_name,
- int recurse)
+ vtag_t tag, unsigned long flags, int mnt_flags)
{
- LIST_HEAD(umount_list);
struct path old_path;
- struct mount *mnt = NULL, *old;
+ struct mount *mnt = NULL, *old, *parent;
+ struct mountpoint *mp;
+ int recurse = flags & MS_REC;
int err;
+
if (!old_name || !*old_name)
return -EINVAL;
err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
-@@ -1733,7 +1746,7 @@ static int change_mount_flags(struct vfs
+@@ -2294,7 +2308,7 @@ static int change_mount_flags(struct vfs
* on it - tough luck.
*/
static int do_remount(struct path *path, int flags, int mnt_flags,
{
int err;
struct super_block *sb = path->mnt->mnt_sb;
-@@ -2046,7 +2059,6 @@ void mark_mounts_for_expiry(struct list_
- }
- br_write_unlock(&vfsmount_lock);
- up_write(&namespace_sem);
--
- release_mounts(&umounts);
- }
-
-@@ -2218,6 +2230,7 @@ long do_mount(const char *dev_name, cons
+@@ -2779,6 +2793,7 @@ long do_mount(const char *dev_name, cons
struct path path;
int retval = 0;
int mnt_flags = 0;
/* Discard magic */
if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
-@@ -2247,6 +2260,12 @@ long do_mount(const char *dev_name, cons
+@@ -2806,6 +2821,12 @@ long do_mount(const char *dev_name, cons
if (!(flags & MS_NOATIME))
mnt_flags |= MNT_RELATIME;
/* Separate the per-mountpoint flags */
if (flags & MS_NOSUID)
mnt_flags |= MNT_NOSUID;
-@@ -2263,15 +2282,17 @@ long do_mount(const char *dev_name, cons
- if (flags & MS_RDONLY)
- mnt_flags |= MNT_READONLY;
+@@ -2830,15 +2851,18 @@ long do_mount(const char *dev_name, cons
+ mnt_flags |= path.mnt->mnt_flags & MNT_ATIME_MASK;
+ }
+ if (!vx_capable(CAP_SYS_ADMIN, VXC_DEV_MOUNT))
+ mnt_flags |= MNT_NODEV;
++
flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
- MS_STRICTATIME);
+ MS_STRICTATIME | MS_NOREMOTELOCK | MS_SUBMOUNT);
if (flags & MS_REMOUNT)
retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
retval = do_change_type(&path, flags);
else if (flags & MS_MOVE)
-@@ -2380,6 +2401,7 @@ static struct mnt_namespace *dup_mnt_ns(
- q = next_mnt(q, new);
+@@ -2979,6 +3003,7 @@ struct mnt_namespace *copy_mnt_ns(unsign
+ p = next_mnt(p, old);
}
- up_write(&namespace_sem);
+ namespace_unlock();
+ atomic_inc(&vs_global_mnt_ns);
if (rootmnt)
mntput(rootmnt);
-@@ -2575,9 +2597,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
- error = -EINVAL;
+@@ -3154,9 +3179,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
new_mnt = real_mount(new.mnt);
root_mnt = real_mount(root.mnt);
-- if (IS_MNT_SHARED(real_mount(old.mnt)) ||
-+ if ((IS_MNT_SHARED(real_mount(old.mnt)) ||
+ old_mnt = real_mount(old.mnt);
+- if (IS_MNT_SHARED(old_mnt) ||
++ if ((IS_MNT_SHARED(old_mnt) ||
IS_MNT_SHARED(new_mnt->mnt_parent) ||
- IS_MNT_SHARED(root_mnt->mnt_parent))
+ IS_MNT_SHARED(root_mnt->mnt_parent)) &&
goto out4;
if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
goto out4;
-@@ -2703,6 +2726,7 @@ void put_mnt_ns(struct mnt_namespace *ns
- br_write_unlock(&vfsmount_lock);
- up_write(&namespace_sem);
- release_mounts(&umount_list);
+@@ -3294,6 +3320,7 @@ void put_mnt_ns(struct mnt_namespace *ns
+ if (!atomic_dec_and_test(&ns->count))
+ return;
+ drop_collected_mounts(&ns->root->mnt);
+ atomic_dec(&vs_global_mnt_ns);
free_mnt_ns(ns);
}
-diff -NurpP --minimal linux-3.9.5/fs/nfs/client.c linux-3.9.5-vs2.3.6.5/fs/nfs/client.c
---- linux-3.9.5/fs/nfs/client.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfs/client.c 2013-05-31 14:47:11.000000000 +0000
-@@ -682,6 +682,9 @@ int nfs_init_server_rpcclient(struct nfs
+diff -NurpP --minimal linux-4.9.217/fs/nfs/client.c linux-4.9.217-vs2.3.9.12/fs/nfs/client.c
+--- linux-4.9.217/fs/nfs/client.c 2020-03-27 00:51:22.630466112 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfs/client.c 2019-10-05 14:58:45.410311711 +0000
+@@ -586,6 +586,9 @@ int nfs_init_server_rpcclient(struct nfs
if (server->flags & NFS_MOUNT_SOFT)
server->client->cl_softrtry = 1;
return 0;
}
EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
-@@ -861,6 +864,10 @@ static void nfs_server_set_fsinfo(struct
+@@ -762,6 +765,10 @@ static void nfs_server_set_fsinfo(struct
server->acdirmin = server->acdirmax = 0;
}
server->maxfilesize = fsinfo->maxfilesize;
server->time_delta = fsinfo->time_delta;
-diff -NurpP --minimal linux-3.9.5/fs/nfs/dir.c linux-3.9.5-vs2.3.6.5/fs/nfs/dir.c
---- linux-3.9.5/fs/nfs/dir.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfs/dir.c 2013-05-31 14:47:11.000000000 +0000
-@@ -36,6 +36,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/nfs/dir.c linux-4.9.217-vs2.3.9.12/fs/nfs/dir.c
+--- linux-4.9.217/fs/nfs/dir.c 2020-03-27 00:51:22.830462961 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfs/dir.c 2020-04-01 09:40:28.555466454 +0000
+@@ -37,6 +37,7 @@
#include <linux/sched.h>
#include <linux/kmemleak.h>
#include <linux/xattr.h>
#include "delegation.h"
#include "iostat.h"
-@@ -1300,6 +1301,7 @@ struct dentry *nfs_lookup(struct inode *
+@@ -1428,6 +1429,7 @@ struct dentry *nfs_lookup(struct inode *
/* Success: notify readdir to use READDIRPLUS */
nfs_advise_use_readdirplus(dir);
+ dx_propagate_tag(nd, inode);
no_entry:
- res = d_materialise_unique(dentry, inode);
+ res = d_splice_alias(inode, dentry);
if (res != NULL) {
-diff -NurpP --minimal linux-3.9.5/fs/nfs/inode.c linux-3.9.5-vs2.3.6.5/fs/nfs/inode.c
---- linux-3.9.5/fs/nfs/inode.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfs/inode.c 2013-06-03 19:32:53.000000000 +0000
-@@ -39,6 +39,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/nfs/inode.c linux-4.9.217-vs2.3.9.12/fs/nfs/inode.c
+--- linux-4.9.217/fs/nfs/inode.c 2020-03-27 00:51:22.940461230 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfs/inode.c 2019-10-05 14:58:45.430311390 +0000
+@@ -38,6 +38,7 @@
+ #include <linux/slab.h>
#include <linux/compat.h>
#include <linux/freezer.h>
- #include <linux/crc32.h>
+#include <linux/vs_tag.h>
#include <asm/uaccess.h>
-@@ -290,6 +291,8 @@ nfs_fhget(struct super_block *sb, struct
+@@ -383,6 +384,8 @@ nfs_fhget(struct super_block *sb, struct
if (inode->i_state & I_NEW) {
struct nfs_inode *nfsi = NFS_I(inode);
unsigned long now = jiffies;
/* We set i_ino for the few things that still rely on it,
* such as stat(2) */
-@@ -334,8 +337,8 @@ nfs_fhget(struct super_block *sb, struct
+@@ -427,8 +430,8 @@ nfs_fhget(struct super_block *sb, struct
inode->i_version = 0;
inode->i_size = 0;
clear_nlink(inode);
inode->i_blocks = 0;
memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
nfsi->write_io = 0;
-@@ -369,11 +372,11 @@ nfs_fhget(struct super_block *sb, struct
+@@ -463,11 +466,11 @@ nfs_fhget(struct super_block *sb, struct
else if (nfs_server_capable(inode, NFS_CAP_NLINK))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
if (fattr->valid & NFS_ATTR_FATTR_OWNER)
- inode->i_uid = fattr->uid;
+ kuid = fattr->uid;
else if (nfs_server_capable(inode, NFS_CAP_OWNER))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
if (fattr->valid & NFS_ATTR_FATTR_GROUP)
- inode->i_gid = fattr->gid;
+ kgid = fattr->gid;
else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
-@@ -384,6 +387,11 @@ nfs_fhget(struct super_block *sb, struct
+@@ -478,6 +481,10 @@ nfs_fhget(struct super_block *sb, struct
*/
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
}
+ inode->i_gid = INOTAG_KGID(DX_TAG(inode), kuid, kgid);
+ inode->i_tag = INOTAG_KTAG(DX_TAG(inode), kuid, kgid, GLOBAL_ROOT_TAG);
+ /* maybe fattr->xid someday */
-+
- nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
- nfsi->attrtimeo_timestamp = now;
- nfsi->access_cache = RB_ROOT;
-@@ -505,6 +513,8 @@ void nfs_setattr_update_inode(struct ino
+
+ nfs_setsecurity(inode, fattr, label);
+
+@@ -619,6 +626,8 @@ void nfs_setattr_update_inode(struct ino
inode->i_uid = attr->ia_uid;
if ((attr->ia_valid & ATTR_GID) != 0)
inode->i_gid = attr->ia_gid;
+ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
+ inode->i_tag = attr->ia_tag;
- NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
- spin_unlock(&inode->i_lock);
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL);
}
-@@ -980,7 +990,9 @@ static int nfs_check_inode_attributes(st
+@@ -1273,7 +1282,9 @@ static int nfs_check_inode_attributes(st
struct nfs_inode *nfsi = NFS_I(inode);
loff_t cur_size, new_isize;
unsigned long invalid = 0;
if (nfs_have_delegated_attributes(inode))
return 0;
-@@ -1005,13 +1017,18 @@ static int nfs_check_inode_attributes(st
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+@@ -1302,13 +1313,18 @@ static int nfs_check_inode_attributes(st
+ }
}
+ kuid = INOTAG_KUID(DX_TAG(inode), fattr->uid, fattr->gid);
/* Has the link count changed? */
if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
-@@ -1317,6 +1334,9 @@ static int nfs_update_inode(struct inode
- unsigned long invalid = 0;
- unsigned long now = jiffies;
+@@ -1667,6 +1683,9 @@ static int nfs_update_inode(struct inode
unsigned long save_cache_validity;
+ bool have_writers = nfs_file_has_buffered_writers(nfsi);
+ bool cache_revalidated = true;
+ kuid_t kuid;
+ kgid_t kgid;
+ ktag_t ktag;
- dfprintk(VFS, "NFS: %s(%s/%ld fh_crc=0x%08x ct=%d info=0x%x)\n",
+ dfprintk(VFS, "NFS: %s(%s/%lu fh_crc=0x%08x ct=%d info=0x%x)\n",
__func__, inode->i_sb->s_id, inode->i_ino,
-@@ -1418,6 +1438,9 @@ static int nfs_update_inode(struct inode
- | NFS_INO_REVAL_PAGECACHE
- | NFS_INO_REVAL_FORCED);
+@@ -1786,6 +1805,9 @@ static int nfs_update_inode(struct inode
+ cache_revalidated = false;
+ }
+ kuid = TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag);
+ kgid = TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag);
if (fattr->valid & NFS_ATTR_FATTR_ATIME)
memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
-@@ -1460,6 +1483,10 @@ static int nfs_update_inode(struct inode
- | NFS_INO_INVALID_ACL
- | NFS_INO_REVAL_FORCED);
+@@ -1840,6 +1862,10 @@ static int nfs_update_inode(struct inode
+ cache_revalidated = false;
+ }
+ inode->i_uid = INOTAG_KUID(DX_TAG(inode), kuid, kgid);
+ inode->i_gid = INOTAG_KGID(DX_TAG(inode), kuid, kgid);
if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
if (inode->i_nlink != fattr->nlink) {
invalid |= NFS_INO_INVALID_ATTR;
-diff -NurpP --minimal linux-3.9.5/fs/nfs/nfs3xdr.c linux-3.9.5-vs2.3.6.5/fs/nfs/nfs3xdr.c
---- linux-3.9.5/fs/nfs/nfs3xdr.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfs/nfs3xdr.c 2013-06-03 19:33:10.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/nfs/nfs3xdr.c linux-4.9.217-vs2.3.9.12/fs/nfs/nfs3xdr.c
+--- linux-4.9.217/fs/nfs/nfs3xdr.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfs/nfs3xdr.c 2018-10-20 04:58:14.000000000 +0000
@@ -20,6 +20,7 @@
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
- encode_symlinkdata3(xdr, args);
+ encode_symlinkdata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ xdr->buf->flags |= XDRBUF_WRITE;
}
- /*
-@@ -1130,24 +1136,24 @@ static void nfs3_xdr_enc_symlink3args(st
+@@ -1131,24 +1137,24 @@ static void nfs3_xdr_enc_symlink3args(st
* };
*/
static void encode_devicedata3(struct xdr_stream *xdr,
break;
case NF3REG:
case NF3DIR:
-@@ -1162,7 +1168,7 @@ static void nfs3_xdr_enc_mknod3args(stru
+@@ -1163,7 +1169,7 @@ static void nfs3_xdr_enc_mknod3args(stru
const struct nfs3_mknodargs *args)
{
encode_diropargs3(xdr, args->fh, args->name, args->len);
}
/*
-diff -NurpP --minimal linux-3.9.5/fs/nfs/super.c linux-3.9.5-vs2.3.6.5/fs/nfs/super.c
---- linux-3.9.5/fs/nfs/super.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfs/super.c 2013-05-31 15:41:34.000000000 +0000
-@@ -55,6 +55,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/nfs/super.c linux-4.9.217-vs2.3.9.12/fs/nfs/super.c
+--- linux-4.9.217/fs/nfs/super.c 2020-03-27 00:51:23.470452877 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfs/super.c 2020-04-01 09:40:28.555466454 +0000
+@@ -54,6 +54,7 @@
#include <linux/parser.h>
#include <linux/nsproxy.h>
#include <linux/rcupdate.h>
#include <asm/uaccess.h>
-@@ -103,6 +104,7 @@ enum {
+@@ -102,6 +103,7 @@ enum {
Opt_mountport,
Opt_mountvers,
Opt_minorversion,
/* Mount options that take string arguments */
Opt_nfsvers,
-@@ -115,6 +117,9 @@ enum {
+@@ -114,6 +116,9 @@ enum {
/* Special mount options */
Opt_userspace, Opt_deprecated, Opt_sloppy,
Opt_err
};
-@@ -184,6 +189,10 @@ static const match_table_t nfs_mount_opt
+@@ -183,6 +188,10 @@ static const match_table_t nfs_mount_opt
{ Opt_fscache_uniq, "fsc=%s" },
{ Opt_local_lock, "local_lock=%s" },
/* The following needs to be listed after all other options */
{ Opt_nfsvers, "v%s" },
-@@ -635,6 +644,7 @@ static void nfs_show_mount_options(struc
+@@ -644,6 +653,7 @@ static void nfs_show_mount_options(struc
{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
{ NFS_MOUNT_UNSHARED, ",nosharecache", "" },
{ NFS_MOUNT_NORESVPORT, ",noresvport", "" },
{ 0, NULL, NULL }
};
const struct proc_nfs_info *nfs_infop;
-@@ -1261,6 +1271,14 @@ static int nfs_parse_mount_options(char
+@@ -1341,6 +1351,14 @@ static int nfs_parse_mount_options(char
case Opt_nomigration:
- mnt->options &= NFS_OPTION_MIGRATION;
+ mnt->options &= ~NFS_OPTION_MIGRATION;
break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
/*
* options that take numeric values
-@@ -1347,6 +1365,12 @@ static int nfs_parse_mount_options(char
+@@ -1427,6 +1445,12 @@ static int nfs_parse_mount_options(char
goto out_invalid_value;
mnt->minorversion = option;
break;
/*
* options that take text values
-diff -NurpP --minimal linux-3.9.5/fs/nfsd/auth.c linux-3.9.5-vs2.3.6.5/fs/nfsd/auth.c
---- linux-3.9.5/fs/nfsd/auth.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfsd/auth.c 2013-06-12 23:49:08.000000000 +0000
-@@ -2,6 +2,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/nfsd/auth.c linux-4.9.217-vs2.3.9.12/fs/nfsd/auth.c
+--- linux-4.9.217/fs/nfsd/auth.c 2020-03-27 00:51:23.680449564 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfsd/auth.c 2018-10-20 04:58:14.000000000 +0000
+@@ -1,6 +1,7 @@
+ /* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */
#include <linux/sched.h>
- #include <linux/user_namespace.h>
+#include <linux/vs_tag.h>
#include "nfsd.h"
#include "auth.h"
-@@ -37,6 +38,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
+@@ -35,6 +36,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
new->fsuid = rqstp->rq_cred.cr_uid;
new->fsgid = rqstp->rq_cred.cr_gid;
rqgi = rqstp->rq_cred.cr_group_info;
-diff -NurpP --minimal linux-3.9.5/fs/nfsd/nfs3xdr.c linux-3.9.5-vs2.3.6.5/fs/nfsd/nfs3xdr.c
---- linux-3.9.5/fs/nfsd/nfs3xdr.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfsd/nfs3xdr.c 2013-06-03 19:57:43.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/nfsd/nfs3xdr.c linux-4.9.217-vs2.3.9.12/fs/nfsd/nfs3xdr.c
+--- linux-4.9.217/fs/nfsd/nfs3xdr.c 2020-03-27 00:51:23.700449249 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfsd/nfs3xdr.c 2019-10-05 14:58:45.440311232 +0000
@@ -8,6 +8,7 @@
#include <linux/namei.h>
if (*p++) {
u64 newsize;
-@@ -170,8 +176,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
+@@ -167,8 +173,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
*p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
- *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) (stat->mode & S_IALLUGO));
*p++ = htonl((u32) stat->nlink);
- *p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
- *p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
-diff -NurpP --minimal linux-3.9.5/fs/nfsd/nfs4xdr.c linux-3.9.5-vs2.3.6.5/fs/nfsd/nfs4xdr.c
---- linux-3.9.5/fs/nfsd/nfs4xdr.c 2013-06-11 12:22:39.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfsd/nfs4xdr.c 2013-06-03 19:33:44.000000000 +0000
-@@ -46,6 +46,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/nfsd/nfs4xdr.c linux-4.9.217-vs2.3.9.12/fs/nfsd/nfs4xdr.c
+--- linux-4.9.217/fs/nfsd/nfs4xdr.c 2020-03-27 00:51:23.950445311 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfsd/nfs4xdr.c 2018-10-20 05:55:43.000000000 +0000
+@@ -40,6 +40,7 @@
#include <linux/utsname.h>
#include <linux/pagemap.h>
#include <linux/sunrpc/svcauth_gss.h>
#include "idmap.h"
#include "acl.h"
-@@ -2349,14 +2350,18 @@ out_acl:
- WRITE32(stat.nlink);
+@@ -2679,12 +2680,16 @@ out_acl:
+ *p++ = cpu_to_be32(stat.nlink);
}
if (bmval1 & FATTR4_WORD1_OWNER) {
-- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen);
-+ status = nfsd4_encode_user(rqstp,
+- status = nfsd4_encode_user(xdr, rqstp, stat.uid);
++ status = nfsd4_encode_user(xdr, rqstp,
+ TAGINO_KUID(DX_TAG(dentry->d_inode),
-+ stat.uid, stat.tag), &p, &buflen);
- if (status == nfserr_resource)
- goto out_resource;
++ stat.uid, stat.tag));
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_OWNER_GROUP) {
-- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen);
-+ status = nfsd4_encode_group(rqstp,
+- status = nfsd4_encode_group(xdr, rqstp, stat.gid);
++ status = nfsd4_encode_group(xdr, rqstp,
+ TAGINO_KGID(DX_TAG(dentry->d_inode),
-+ stat.gid, stat.tag), &p, &buflen);
- if (status == nfserr_resource)
- goto out_resource;
++ stat.gid, stat.tag));
if (status)
-diff -NurpP --minimal linux-3.9.5/fs/nfsd/nfsxdr.c linux-3.9.5-vs2.3.6.5/fs/nfsd/nfsxdr.c
---- linux-3.9.5/fs/nfsd/nfsxdr.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/nfsd/nfsxdr.c 2013-06-03 19:56:35.000000000 +0000
+ goto out;
+ }
+diff -NurpP --minimal linux-4.9.217/fs/nfsd/nfsxdr.c linux-4.9.217-vs2.3.9.12/fs/nfsd/nfsxdr.c
+--- linux-4.9.217/fs/nfsd/nfsxdr.c 2020-03-27 00:51:24.030444047 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/nfsd/nfsxdr.c 2018-10-20 04:58:14.000000000 +0000
@@ -7,6 +7,7 @@
#include "vfs.h"
#include "xdr.h"
if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
*p++ = htonl(NFS_MAXPATHLEN);
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/dlmglue.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/dlmglue.c
---- linux-3.9.5/fs/ocfs2/dlmglue.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/dlmglue.c 2013-06-03 19:59:20.000000000 +0000
-@@ -2047,6 +2047,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/dlmglue.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/dlmglue.c
+--- linux-4.9.217/fs/ocfs2/dlmglue.c 2020-03-27 00:51:25.080427501 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/dlmglue.c 2019-12-25 15:37:51.918430506 +0000
+@@ -2120,6 +2120,7 @@ static void __ocfs2_stuff_meta_lvb(struc
lvb->lvb_iclusters = cpu_to_be32(oi->ip_clusters);
lvb->lvb_iuid = cpu_to_be32(i_uid_read(inode));
lvb->lvb_igid = cpu_to_be32(i_gid_read(inode));
lvb->lvb_imode = cpu_to_be16(inode->i_mode);
lvb->lvb_inlink = cpu_to_be16(inode->i_nlink);
lvb->lvb_iatime_packed =
-@@ -2097,6 +2098,7 @@ static void ocfs2_refresh_inode_from_lvb
+@@ -2170,6 +2171,7 @@ static void ocfs2_refresh_inode_from_lvb
i_uid_write(inode, be32_to_cpu(lvb->lvb_iuid));
i_gid_write(inode, be32_to_cpu(lvb->lvb_igid));
inode->i_mode = be16_to_cpu(lvb->lvb_imode);
set_nlink(inode, be16_to_cpu(lvb->lvb_inlink));
ocfs2_unpack_timespec(&inode->i_atime,
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/dlmglue.h linux-3.9.5-vs2.3.6.5/fs/ocfs2/dlmglue.h
---- linux-3.9.5/fs/ocfs2/dlmglue.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/dlmglue.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/dlmglue.h linux-4.9.217-vs2.3.9.12/fs/ocfs2/dlmglue.h
+--- linux-4.9.217/fs/ocfs2/dlmglue.h 2020-03-27 00:51:25.080427501 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/dlmglue.h 2018-10-20 04:58:14.000000000 +0000
@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
__be16 lvb_inlink;
__be32 lvb_iattr;
};
#define OCFS2_QINFO_LVB_VERSION 1
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/file.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/file.c
---- linux-3.9.5/fs/ocfs2/file.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/file.c 2013-05-31 14:47:11.000000000 +0000
-@@ -1124,7 +1124,7 @@ int ocfs2_setattr(struct dentry *dentry,
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/file.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/file.c
+--- linux-4.9.217/fs/ocfs2/file.c 2020-03-27 00:51:25.110427029 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/file.c 2018-10-20 04:58:14.000000000 +0000
+@@ -1151,7 +1151,7 @@ int ocfs2_setattr(struct dentry *dentry,
attr->ia_valid &= ~ATTR_SIZE;
#define OCFS2_VALID_ATTRS (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_SIZE \
if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
return 0;
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/inode.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/inode.c
---- linux-3.9.5/fs/ocfs2/inode.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/inode.c 2013-05-31 20:39:47.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/inode.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/inode.c
+--- linux-4.9.217/fs/ocfs2/inode.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/inode.c 2018-10-20 04:58:14.000000000 +0000
@@ -28,6 +28,7 @@
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <asm/byteorder.h>
-@@ -78,11 +79,13 @@ void ocfs2_set_inode_flags(struct inode
+@@ -87,11 +88,13 @@ void ocfs2_set_inode_flags(struct inode
{
unsigned int flags = OCFS2_I(inode)->ip_attr;
if (flags & OCFS2_SYNC_FL)
inode->i_flags |= S_SYNC;
-@@ -92,25 +95,44 @@ void ocfs2_set_inode_flags(struct inode
+@@ -101,25 +104,44 @@ void ocfs2_set_inode_flags(struct inode
inode->i_flags |= S_NOATIME;
if (flags & OCFS2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
}
struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
-@@ -241,6 +263,8 @@ void ocfs2_populate_inode(struct inode *
+@@ -278,6 +300,8 @@ void ocfs2_populate_inode(struct inode *
struct super_block *sb;
struct ocfs2_super *osb;
int use_plocks = 1;
sb = inode->i_sb;
osb = OCFS2_SB(sb);
-@@ -269,8 +293,12 @@ void ocfs2_populate_inode(struct inode *
+@@ -306,8 +330,12 @@ void ocfs2_populate_inode(struct inode *
inode->i_generation = le32_to_cpu(fe->i_generation);
inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
inode->i_mode = le16_to_cpu(fe->i_mode);
/* Fast symlinks will have i_size but no allocated clusters. */
if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/inode.h linux-3.9.5-vs2.3.6.5/fs/ocfs2/inode.h
---- linux-3.9.5/fs/ocfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/inode.h 2013-05-31 14:47:11.000000000 +0000
-@@ -154,6 +154,7 @@ struct buffer_head *ocfs2_bread(struct i
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/inode.h linux-4.9.217-vs2.3.9.12/fs/ocfs2/inode.h
+--- linux-4.9.217/fs/ocfs2/inode.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/inode.h 2018-10-20 04:58:14.000000000 +0000
+@@ -155,6 +155,7 @@ int ocfs2_mark_inode_dirty(handle_t *han
void ocfs2_set_inode_flags(struct inode *inode);
void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
{
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/ioctl.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/ioctl.c
---- linux-3.9.5/fs/ocfs2/ioctl.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/ioctl.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/ioctl.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/ioctl.c
+--- linux-4.9.217/fs/ocfs2/ioctl.c 2020-03-27 00:51:25.160426241 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/ioctl.c 2019-12-25 15:37:51.918430506 +0000
@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
return status;
}
unsigned mask)
{
struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
-@@ -101,6 +135,11 @@ static int ocfs2_set_inode_attr(struct i
- if (!S_ISDIR(inode->i_mode))
- flags &= ~OCFS2_DIRSYNC_FL;
+@@ -116,6 +150,11 @@ static int ocfs2_set_inode_attr(struct i
+ goto bail_unlock;
+ }
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
-@@ -879,6 +918,7 @@ bail:
+@@ -839,6 +878,7 @@ bail:
return status;
}
long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/namei.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/namei.c
---- linux-3.9.5/fs/ocfs2/namei.c 2013-05-31 13:45:24.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/namei.c 2013-06-03 20:00:35.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/namei.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/namei.c
+--- linux-4.9.217/fs/ocfs2/namei.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/namei.c 2018-10-20 04:58:14.000000000 +0000
@@ -41,6 +41,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <cluster/masklog.h>
-@@ -475,6 +476,7 @@ static int __ocfs2_mknod_locked(struct i
- struct ocfs2_dinode *fe = NULL;
+@@ -516,6 +517,7 @@ static int __ocfs2_mknod_locked(struct i
struct ocfs2_extent_list *fel;
u16 feat;
+ struct ocfs2_inode_info *oi = OCFS2_I(inode);
+ ktag_t ktag;
*new_fe_bh = NULL;
-@@ -512,8 +514,13 @@ static int __ocfs2_mknod_locked(struct i
+@@ -553,8 +555,13 @@ static int __ocfs2_mknod_locked(struct i
fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
fe->i_mode = cpu_to_le16(inode->i_mode);
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/ocfs2.h linux-3.9.5-vs2.3.6.5/fs/ocfs2/ocfs2.h
---- linux-3.9.5/fs/ocfs2/ocfs2.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/ocfs2.h 2013-05-31 14:47:11.000000000 +0000
-@@ -272,6 +272,7 @@ enum ocfs2_mount_options
- writes */
- OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
- OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
-+ OCFS2_MOUNT_TAGGED = 1 << 15, /* use tagging */
- };
-
- #define OCFS2_OSB_SOFT_RO 0x0001
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/ocfs2_fs.h linux-3.9.5-vs2.3.6.5/fs/ocfs2/ocfs2_fs.h
---- linux-3.9.5/fs/ocfs2/ocfs2_fs.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/ocfs2_fs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -266,6 +266,11 @@
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/ocfs2_fs.h linux-4.9.217-vs2.3.9.12/fs/ocfs2/ocfs2_fs.h
+--- linux-4.9.217/fs/ocfs2/ocfs2_fs.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/ocfs2_fs.h 2018-10-20 04:58:14.000000000 +0000
+@@ -275,6 +275,11 @@
#define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
#define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
#define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
#define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
-diff -NurpP --minimal linux-3.9.5/fs/ocfs2/super.c linux-3.9.5-vs2.3.6.5/fs/ocfs2/super.c
---- linux-3.9.5/fs/ocfs2/super.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/ocfs2/super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -185,6 +185,7 @@ enum {
- Opt_coherency_full,
- Opt_resv_level,
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/ocfs2.h linux-4.9.217-vs2.3.9.12/fs/ocfs2/ocfs2.h
+--- linux-4.9.217/fs/ocfs2/ocfs2.h 2020-03-27 00:51:25.320423716 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/ocfs2.h 2018-10-20 04:58:14.000000000 +0000
+@@ -289,6 +289,7 @@ enum ocfs2_mount_options
+ OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
+ OCFS2_MOUNT_ERRORS_CONT = 1 << 16, /* Return EIO to the calling process on error */
+ OCFS2_MOUNT_ERRORS_ROFS = 1 << 17, /* Change filesystem to read-only on error */
++ OCFS2_MOUNT_TAGGED = 1 << 18, /* use tagging */
+ };
+
+ #define OCFS2_OSB_SOFT_RO 0x0001
+diff -NurpP --minimal linux-4.9.217/fs/ocfs2/super.c linux-4.9.217-vs2.3.9.12/fs/ocfs2/super.c
+--- linux-4.9.217/fs/ocfs2/super.c 2020-03-27 00:51:25.350423246 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/ocfs2/super.c 2018-10-20 04:58:14.000000000 +0000
+@@ -188,6 +188,7 @@ enum {
Opt_dir_resv_level,
+ Opt_journal_async_commit,
+ Opt_err_cont,
+ Opt_tag, Opt_notag, Opt_tagid,
Opt_err,
};
-@@ -216,6 +217,9 @@ static const match_table_t tokens = {
- {Opt_coherency_full, "coherency=full"},
- {Opt_resv_level, "resv_level=%u"},
+@@ -221,6 +222,9 @@ static const match_table_t tokens = {
{Opt_dir_resv_level, "dir_resv_level=%u"},
+ {Opt_journal_async_commit, "journal_async_commit"},
+ {Opt_err_cont, "errors=continue"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL}
};
-@@ -662,6 +666,13 @@ static int ocfs2_remount(struct super_bl
+@@ -672,6 +676,13 @@ static int ocfs2_remount(struct super_bl
goto out;
}
/* We're going to/from readonly mode. */
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
/* Disable quota accounting before remounting RO */
-@@ -1177,6 +1188,9 @@ static int ocfs2_fill_super(struct super
+@@ -1161,6 +1172,9 @@ static int ocfs2_fill_super(struct super
ocfs2_complete_mount_recovery(osb);
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
-@@ -1504,6 +1518,20 @@ static int ocfs2_parse_options(struct su
- option < OCFS2_MAX_RESV_LEVEL)
- mopt->dir_resv_level = option;
+@@ -1480,6 +1494,20 @@ static int ocfs2_parse_options(struct su
+ case Opt_journal_async_commit:
+ mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
-diff -NurpP --minimal linux-3.9.5/fs/open.c linux-3.9.5-vs2.3.6.5/fs/open.c
---- linux-3.9.5/fs/open.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/open.c 2013-06-01 08:41:29.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/open.c linux-4.9.217-vs2.3.9.12/fs/open.c
+--- linux-4.9.217/fs/open.c 2020-03-27 00:51:25.400422458 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/open.c 2020-04-01 09:40:28.635465130 +0000
@@ -31,6 +31,11 @@
#include <linux/ima.h>
#include <linux/dnotify.h>
#include "internal.h"
-@@ -67,6 +72,11 @@ long vfs_truncate(struct path *path, lof
+@@ -65,12 +70,17 @@ int do_truncate(struct dentry *dentry, l
+ return ret;
+ }
+
+-long vfs_truncate(const struct path *path, loff_t length)
++long vfs_truncate(struct path *path, loff_t length)
+ {
struct inode *inode;
+ struct dentry *upperdentry;
long error;
+#ifdef CONFIG_VSERVER_COWBL
inode = path->dentry->d_inode;
/* For directories it's -EISDIR, for other non-regulars - -EINVAL */
-@@ -532,6 +542,13 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
+@@ -584,6 +594,13 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
unsigned int lookup_flags = LOOKUP_FOLLOW;
retry:
error = user_path_at(dfd, filename, lookup_flags, &path);
if (!error) {
error = chmod_common(&path, mode);
path_put(&path);
-@@ -564,13 +581,15 @@ static int chown_common(struct path *pat
+@@ -618,13 +635,15 @@ retry_deleg:
if (!uid_valid(uid))
return -EINVAL;
newattrs.ia_valid |= ATTR_UID;
}
if (!S_ISDIR(inode->i_mode))
newattrs.ia_valid |=
-@@ -604,6 +623,18 @@ retry:
+@@ -662,6 +681,10 @@ retry:
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
+#ifdef CONFIG_VSERVER_COWBL
+ error = cow_check_and_break(&path);
+ if (!error)
-+#endif
-+#ifdef CONFIG_VSERVER_COWBL
-+ error = cow_check_and_break(&path);
-+ if (!error)
-+#endif
-+#ifdef CONFIG_VSERVER_COWBL
-+ error = cow_check_and_break(&path);
-+ if (!error)
+#endif
error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
-diff -NurpP --minimal linux-3.9.5/fs/proc/array.c linux-3.9.5-vs2.3.6.5/fs/proc/array.c
---- linux-3.9.5/fs/proc/array.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/array.c 2013-05-31 14:47:11.000000000 +0000
-@@ -82,6 +82,8 @@
- #include <linux/ptrace.h>
- #include <linux/tracehook.h>
+diff -NurpP --minimal linux-4.9.217/fs/proc/array.c linux-4.9.217-vs2.3.9.12/fs/proc/array.c
+--- linux-4.9.217/fs/proc/array.c 2020-03-27 00:51:25.650418515 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/array.c 2019-10-05 14:58:45.660307716 +0000
+@@ -86,6 +86,8 @@
+ #include <linux/string_helpers.h>
#include <linux/user_namespace.h>
+ #include <linux/fs_struct.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-@@ -173,6 +175,9 @@ static inline void task_state(struct seq
- rcu_read_lock();
+@@ -170,6 +172,9 @@ static inline void task_state(struct seq
ppid = pid_alive(p) ?
task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
+
+ if (unlikely(vx_current_initpid(p->pid)))
+ ppid = 0;
+
- tpid = 0;
- if (pid_alive(p)) {
- struct task_struct *tracer = ptrace_parent(p);
-@@ -297,7 +302,7 @@ static inline void task_sig(struct seq_f
+ tracer = ptrace_parent(p);
+ if (tracer)
+ tpid = task_pid_nr_ns(tracer, ns);
+@@ -307,8 +312,8 @@ static inline void task_sig(struct seq_f
+ render_sigset_t(m, "SigCgt:\t", &caught);
}
- static void render_cap_t(struct seq_file *m, const char *header,
+-static void render_cap_t(struct seq_file *m, const char *header,
- kernel_cap_t *a)
++void render_cap_t(struct seq_file *m, const char *header,
+ struct vx_info *vxi, kernel_cap_t *a)
{
unsigned __capi;
-@@ -331,10 +336,11 @@ static inline void task_cap(struct seq_f
- NORM_CAPS(cap_effective);
- NORM_CAPS(cap_bset);
+@@ -335,11 +340,12 @@ static inline void task_cap(struct seq_f
+ cap_ambient = cred->cap_ambient;
+ rcu_read_unlock();
- render_cap_t(m, "CapInh:\t", &cap_inheritable);
- render_cap_t(m, "CapPrm:\t", &cap_permitted);
- render_cap_t(m, "CapEff:\t", &cap_effective);
- render_cap_t(m, "CapBnd:\t", &cap_bset);
+- render_cap_t(m, "CapAmb:\t", &cap_ambient);
+ /* FIXME: maybe move the p->vx_info masking to __task_cred() ? */
+ render_cap_t(m, "CapInh:\t", p->vx_info, &cap_inheritable);
+ render_cap_t(m, "CapPrm:\t", p->vx_info, &cap_permitted);
+ render_cap_t(m, "CapEff:\t", p->vx_info, &cap_effective);
+ render_cap_t(m, "CapBnd:\t", p->vx_info, &cap_bset);
++ render_cap_t(m, "CapAmb:\t", p->vx_info, &cap_ambient);
}
static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
-@@ -363,6 +369,42 @@ static void task_cpus_allowed(struct seq
- seq_putc(m, '\n');
+@@ -391,6 +397,43 @@ static void task_cpus_allowed(struct seq
+ cpumask_pr_args(&task->cpus_allowed));
}
+int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
+ (task->nsproxy->ipc_ns == init_task.nsproxy->ipc_ns ? 'I' : '-'),
+ task->nsproxy->mnt_ns,
+ (task->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns ? 'I' : '-'),
-+ task->nsproxy->pid_ns,
-+ (task->nsproxy->pid_ns == init_task.nsproxy->pid_ns ? 'I' : '-'),
++ task->nsproxy->pid_ns_for_children,
++ (task->nsproxy->pid_ns_for_children ==
++ init_task.nsproxy->pid_ns_for_children ? 'I' : '-'),
+ task->nsproxy->net_ns,
+ (task->nsproxy->net_ns == init_task.nsproxy->net_ns ? 'I' : '-'));
+ return 0;
+ if (task_vx_flags(task, VXF_HIDE_VINFO, 0))
+ return;
+
-+ seq_printf(m, "VxID: %d\n", vx_task_xid(task));
-+ seq_printf(m, "NxID: %d\n", nx_task_nid(task));
++ seq_printf(m, "VxID:\t%d\n", vx_task_xid(task));
++ seq_printf(m, "NxID:\t%d\n", nx_task_nid(task));
+}
+
+
int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
-@@ -380,6 +422,7 @@ int proc_pid_status(struct seq_file *m,
+@@ -408,6 +451,7 @@ int proc_pid_status(struct seq_file *m,
task_seccomp(m, task);
task_cpus_allowed(m, task);
cpuset_task_status_allowed(m, task);
task_context_switch_counts(m, task);
return 0;
}
-@@ -489,6 +532,17 @@ static int do_task_stat(struct seq_file
+@@ -523,6 +567,17 @@ static int do_task_stat(struct seq_file
/* convert nsec -> ticks */
- start_time = nsec_to_clock_t(start_time);
+ start_time = nsec_to_clock_t(task->real_start_time);
+ /* fixup start time for virt uptime */
+ if (vx_flags(VXF_VIRT_UPTIME, 0)) {
+ }
+
seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
- seq_put_decimal_ll(m, ' ', ppid);
- seq_put_decimal_ll(m, ' ', pgid);
-diff -NurpP --minimal linux-3.9.5/fs/proc/base.c linux-3.9.5-vs2.3.6.5/fs/proc/base.c
---- linux-3.9.5/fs/proc/base.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/base.c 2013-06-12 23:49:08.000000000 +0000
-@@ -86,6 +86,8 @@
- #include <linux/fs_struct.h>
+ seq_put_decimal_ll(m, " ", ppid);
+ seq_put_decimal_ll(m, " ", pgid);
+diff -NurpP --minimal linux-4.9.217/fs/proc/base.c linux-4.9.217-vs2.3.9.12/fs/proc/base.c
+--- linux-4.9.217/fs/proc/base.c 2020-03-27 00:51:25.650418515 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/base.c 2019-10-05 14:58:45.660307716 +0000
+@@ -87,6 +87,8 @@
#include <linux/slab.h>
#include <linux/flex_array.h>
+ #include <linux/posix-timers.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
#ifdef CONFIG_HARDWALL
#include <asm/hardwall.h>
#endif
-@@ -944,11 +946,15 @@ static ssize_t oom_adj_write(struct file
- oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
-
- if (oom_adj < task->signal->oom_score_adj &&
-- !capable(CAP_SYS_RESOURCE)) {
-+ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
- err = -EACCES;
- goto err_sighand;
- }
-
-+ /* prevent guest processes from circumventing the oom killer */
-+ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
-+ oom_adj = OOM_ADJUST_MIN;
+@@ -1079,10 +1081,15 @@ static int __set_oom_adj(struct file *fi
+ mutex_lock(&oom_adj_mutex);
+ if (legacy) {
+ if (oom_adj < task->signal->oom_score_adj &&
+- !capable(CAP_SYS_RESOURCE)) {
++ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ err = -EACCES;
+ goto err_unlock;
+ }
+
- /*
- * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
- * /proc/pid/oom_score_adj instead.
-@@ -1528,6 +1534,8 @@ struct inode *proc_pid_make_inode(struct
++ /* prevent guest processes from circumventing the oom killer */
++ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
++ oom_adj = OOM_ADJUST_MIN;
++
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+@@ -1708,6 +1715,8 @@ struct inode *proc_pid_make_inode(struct
inode->i_gid = cred->egid;
rcu_read_unlock();
}
security_task_to_inode(task, inode);
out:
-@@ -1573,6 +1581,8 @@ int pid_getattr(struct vfsmount *mnt, st
+@@ -1753,6 +1762,8 @@ int pid_getattr(struct vfsmount *mnt, st
/* dentry stuff */
-+static unsigned name_to_int(struct dentry *dentry);
++// static unsigned name_to_int(struct dentry *dentry);
+
/*
* Exceptional case: normally we are not allowed to unhash a busy
* directory. In this case, however, we can do it - no aliasing problems
-@@ -1601,6 +1611,12 @@ int pid_revalidate(struct dentry *dentry
+@@ -1781,6 +1792,19 @@ int pid_revalidate(struct dentry *dentry
task = get_proc_task(inode);
if (task) {
-+ unsigned pid = name_to_int(dentry);
-+
-+ if (pid != ~0U && pid != vx_map_pid(task->pid)) {
++ unsigned pid = name_to_int(&dentry->d_name);
++
++ if (pid != ~0U && pid != vx_map_pid(task->pid) &&
++ pid != __task_pid_nr_ns(task, PIDTYPE_PID,
++ task_active_pid_ns(task))) {
++ vxdprintk(VXD_CBIT(misc, 10),
++ VS_Q("%*s") " dropped by pid_revalidate(%d!=%d)",
++ dentry->d_name.len, dentry->d_name.name,
++ pid, vx_map_pid(task->pid));
+ put_task_struct(task);
-+ goto drop;
++ d_drop(dentry);
++ return 0;
+ }
if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
task_dumpable(task)) {
rcu_read_lock();
-@@ -1617,6 +1633,7 @@ int pid_revalidate(struct dentry *dentry
- put_task_struct(task);
- return 1;
- }
-+drop:
- d_drop(dentry);
- return 0;
- }
-@@ -2059,6 +2076,13 @@ static struct dentry *proc_pident_lookup
+@@ -2445,6 +2469,13 @@ static struct dentry *proc_pident_lookup
if (!task)
goto out_no_task;
/*
* Yes, it does not scale. And it should not. Don't add
* new entries into /proc/<tgid>/ without very good reasons.
-@@ -2493,6 +2517,9 @@ static int proc_pid_personality(struct s
+@@ -2884,6 +2915,11 @@ static int proc_pid_personality(struct s
static const struct file_operations proc_task_operations;
static const struct inode_operations proc_task_inode_operations;
-+extern int proc_pid_vx_info(struct task_struct *, char *);
-+extern int proc_pid_nx_info(struct task_struct *, char *);
++extern int proc_pid_vx_info(struct seq_file *,
++ struct pid_namespace *, struct pid *, struct task_struct *);
++extern int proc_pid_nx_info(struct seq_file *,
++ struct pid_namespace *, struct pid *, struct task_struct *);
+
static const struct pid_entry tgid_base_stuff[] = {
DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
-@@ -2559,6 +2586,8 @@ static const struct pid_entry tgid_base_
+@@ -2948,6 +2984,8 @@ static const struct pid_entry tgid_base_
#ifdef CONFIG_CGROUPS
- REG("cgroup", S_IRUGO, proc_cgroup_operations),
+ ONE("cgroup", S_IRUGO, proc_cgroup_show),
#endif
-+ INF("vinfo", S_IRUGO, proc_pid_vx_info),
-+ INF("ninfo", S_IRUGO, proc_pid_nx_info),
- INF("oom_score", S_IRUGO, proc_oom_score),
++ ONE("vinfo", S_IRUGO, proc_pid_vx_info),
++ ONE("ninfo", S_IRUGO, proc_pid_nx_info),
+ ONE("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
-@@ -2583,6 +2612,7 @@ static const struct pid_entry tgid_base_
- REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
- REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
- #endif
-+ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
- };
-
- static int proc_tgid_base_readdir(struct file * filp,
-@@ -2770,7 +2800,7 @@ retry:
+@@ -3163,7 +3201,7 @@ retry:
iter.task = NULL;
pid = find_ge_pid(iter.tgid, ns);
if (pid) {
iter.task = pid_task(pid, PIDTYPE_PID);
/* What we to know is if the pid we have find is the
* pid of a thread_group_leader. Testing for task
-@@ -2800,7 +2830,7 @@ static int proc_pid_fill_cache(struct fi
- struct tgid_iter iter)
- {
- char name[PROC_NUMBUF];
-- int len = snprintf(name, sizeof(name), "%d", iter.tgid);
-+ int len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
- return proc_fill_cache(filp, dirent, filldir, name, len,
- proc_pid_instantiate, iter.task, NULL);
- }
-@@ -2833,6 +2863,8 @@ int proc_pid_readdir(struct file * filp,
- __filldir = fake_filldir;
+@@ -3223,8 +3261,10 @@ int proc_pid_readdir(struct file *file,
+ if (!has_pid_permissions(ns, iter.task, 2))
+ continue;
- filp->f_pos = iter.tgid + TGID_OFFSET;
+- len = snprintf(name, sizeof(name), "%d", iter.tgid);
++ len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
+ ctx->pos = iter.tgid + TGID_OFFSET;
+ if (!vx_proc_task_visible(iter.task))
+ continue;
- if (proc_pid_fill_cache(filp, dirent, __filldir, iter) < 0) {
+ if (!proc_fill_cache(file, ctx, name, len,
+ proc_pid_instantiate, iter.task, NULL)) {
put_task_struct(iter.task);
- goto out;
-@@ -2993,6 +3025,8 @@ static struct dentry *proc_task_lookup(s
- tid = name_to_int(dentry);
+@@ -3361,6 +3401,7 @@ static const struct pid_entry tid_base_s
+ REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
+ REG("setgroups", S_IRUGO|S_IWUSR, proc_setgroups_operations),
+ #endif
++ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
+ };
+
+ static int proc_tid_base_readdir(struct file *file, struct dir_context *ctx)
+@@ -3427,6 +3468,8 @@ static struct dentry *proc_task_lookup(s
+ tid = name_to_int(&dentry->d_name);
if (tid == ~0U)
goto out;
+ if (vx_current_initpid(tid))
ns = dentry->d_sb->s_fs_info;
rcu_read_lock();
-diff -NurpP --minimal linux-3.9.5/fs/proc/generic.c linux-3.9.5-vs2.3.6.5/fs/proc/generic.c
---- linux-3.9.5/fs/proc/generic.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/generic.c 2013-05-31 16:13:42.000000000 +0000
-@@ -23,6 +23,7 @@
+diff -NurpP --minimal linux-4.9.217/fs/proc/generic.c linux-4.9.217-vs2.3.9.12/fs/proc/generic.c
+--- linux-4.9.217/fs/proc/generic.c 2020-03-27 00:51:25.650418515 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/generic.c 2018-10-20 04:58:14.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/bitops.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -409,6 +410,8 @@ struct dentry *proc_lookup_de(struct pro
- for (de = de->subdir; de ; de = de->next) {
- if (de->namelen != dentry->d_name.len)
- continue;
-+ if (!vx_hide_check(0, de->vx_flags))
-+ continue;
- if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
- pde_get(de);
- spin_unlock(&proc_subdir_lock);
-@@ -417,6 +420,8 @@ struct dentry *proc_lookup_de(struct pro
- return ERR_PTR(-ENOMEM);
- d_set_d_op(dentry, &proc_dentry_operations);
- d_add(dentry, inode);
+@@ -66,8 +67,16 @@ static struct proc_dir_entry *pde_subdir
+ node = node->rb_left;
+ else if (result > 0)
+ node = node->rb_right;
+- else
++ else {
++ if (!vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s")
++ " hidden in pde_subdir_find()",
++ de->namelen, de->name);
++ return 0;
++ }
+ return de;
++ }
+ }
+ return NULL;
+ }
+@@ -241,6 +250,8 @@ struct dentry *proc_lookup_de(struct pro
+ return ERR_PTR(-ENOMEM);
+ d_set_d_op(dentry, &simple_dentry_operations);
+ d_add(dentry, inode);
+ /* generic proc entries belong to the host */
+ i_tag_write(inode, 0);
- return NULL;
- }
+ return NULL;
}
-@@ -485,6 +490,8 @@ int proc_readdir_de(struct proc_dir_entr
-
- /* filldir passes info to user space */
- pde_get(de);
-+ if (!vx_hide_check(0, de->vx_flags))
-+ goto skip;
- spin_unlock(&proc_subdir_lock);
- if (filldir(dirent, de->name, de->namelen, filp->f_pos,
- de->low_ino, de->mode >> 12) < 0) {
-@@ -492,6 +499,7 @@ int proc_readdir_de(struct proc_dir_entr
- goto out;
- }
- spin_lock(&proc_subdir_lock);
-+ skip:
- filp->f_pos++;
- next = de->next;
- pde_put(de);
-@@ -603,6 +611,7 @@ static struct proc_dir_entry *__proc_cre
- ent->namelen = len;
+ read_unlock(&proc_subdir_lock);
+@@ -287,6 +298,12 @@ int proc_readdir_de(struct proc_dir_entr
+ do {
+ struct proc_dir_entry *next;
+ pde_get(de);
++ if (!vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s") " hidden in proc_readdir_de()",
++ de->namelen, de->name);
++ goto skip;
++ }
+ read_unlock(&proc_subdir_lock);
+ if (!dir_emit(ctx, de->name, de->namelen,
+ de->low_ino, de->mode >> 12)) {
+@@ -294,6 +311,7 @@ int proc_readdir_de(struct proc_dir_entr
+ return 0;
+ }
+ read_lock(&proc_subdir_lock);
++ skip:
+ ctx->pos++;
+ next = pde_subdir_next(de);
+ pde_put(de);
+@@ -387,6 +405,7 @@ static struct proc_dir_entry *__proc_cre
ent->mode = mode;
ent->nlink = nlink;
+ ent->subdir = RB_ROOT;
+ ent->vx_flags = IATTR_PROC_DEFAULT;
atomic_set(&ent->count, 1);
spin_lock_init(&ent->pde_unload_lock);
INIT_LIST_HEAD(&ent->pde_openers);
-@@ -626,7 +635,8 @@ struct proc_dir_entry *proc_symlink(cons
+@@ -413,7 +432,8 @@ struct proc_dir_entry *proc_symlink(cons
kfree(ent->data);
kfree(ent);
ent = NULL;
} else {
kfree(ent);
ent = NULL;
-diff -NurpP --minimal linux-3.9.5/fs/proc/inode.c linux-3.9.5-vs2.3.6.5/fs/proc/inode.c
---- linux-3.9.5/fs/proc/inode.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/inode.c 2013-05-31 14:47:11.000000000 +0000
-@@ -458,6 +458,8 @@ struct inode *proc_get_inode(struct supe
+diff -NurpP --minimal linux-4.9.217/fs/proc/inode.c linux-4.9.217-vs2.3.9.12/fs/proc/inode.c
+--- linux-4.9.217/fs/proc/inode.c 2020-03-27 00:51:25.670418199 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/inode.c 2018-10-20 05:55:43.000000000 +0000
+@@ -433,6 +433,8 @@ struct inode *proc_get_inode(struct supe
inode->i_uid = de->uid;
inode->i_gid = de->gid;
}
if (de->size)
inode->i_size = de->size;
if (de->nlink)
-diff -NurpP --minimal linux-3.9.5/fs/proc/internal.h linux-3.9.5-vs2.3.6.5/fs/proc/internal.h
---- linux-3.9.5/fs/proc/internal.h 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/internal.h 2013-05-31 16:04:34.000000000 +0000
-@@ -12,6 +12,8 @@
- #include <linux/sched.h>
- #include <linux/proc_fs.h>
+diff -NurpP --minimal linux-4.9.217/fs/proc/internal.h linux-4.9.217-vs2.3.9.12/fs/proc/internal.h
+--- linux-4.9.217/fs/proc/internal.h 2020-03-27 00:51:25.680418042 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/internal.h 2018-10-20 05:55:43.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/atomic.h>
#include <linux/binfmts.h>
+#include <linux/vs_pid.h>
-+
- struct ctl_table_header;
- struct mempolicy;
-@@ -56,6 +58,9 @@ extern int proc_pid_status(struct seq_fi
- struct pid *pid, struct task_struct *task);
- extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task);
-+extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
-+ struct pid *pid, struct task_struct *task);
+ struct ctl_table_header;
+ struct mempolicy;
+@@ -34,6 +35,7 @@ struct proc_dir_entry {
+ nlink_t nlink;
+ kuid_t uid;
+ kgid_t gid;
++ int vx_flags;
+ loff_t size;
+ const struct inode_operations *proc_iops;
+ const struct file_operations *proc_fops;
+@@ -51,15 +53,22 @@ struct proc_dir_entry {
+ char name[];
+ };
+
++struct vx_info;
++struct nx_info;
+
- extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+ union proc_op {
+ int (*proc_get_link)(struct dentry *, struct path *);
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
++ int (*proc_vs_read)(char *page);
++ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
++ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
+ };
- extern const struct file_operations proc_tid_children_operations;
-@@ -89,11 +94,16 @@ static inline struct pid *proc_pid(struc
+ struct proc_inode {
+ struct pid *pid;
++ int vx_flags;
+ unsigned int fd;
+ union proc_op op;
+ struct proc_dir_entry *pde;
+@@ -93,11 +102,16 @@ static inline struct pid *proc_pid(struc
return PROC_I(inode)->pid;
}
+ return vx_get_proc_task(inode, proc_pid(inode));
+}
+
- static inline int proc_fd(struct inode *inode)
+ static inline int task_dumpable(struct task_struct *task)
{
- return PROC_I(inode)->fd;
-diff -NurpP --minimal linux-3.9.5/fs/proc/loadavg.c linux-3.9.5-vs2.3.6.5/fs/proc/loadavg.c
---- linux-3.9.5/fs/proc/loadavg.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/loadavg.c 2013-05-31 14:47:11.000000000 +0000
+ int dumpable = 0;
+@@ -156,6 +170,8 @@ extern int proc_pid_status(struct seq_fi
+ struct pid *, struct task_struct *);
+ extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
+ struct pid *, struct task_struct *);
++extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task);
+
+ /*
+ * base.c
+diff -NurpP --minimal linux-4.9.217/fs/proc/loadavg.c linux-4.9.217-vs2.3.9.12/fs/proc/loadavg.c
+--- linux-4.9.217/fs/proc/loadavg.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/loadavg.c 2018-10-20 04:58:14.000000000 +0000
@@ -12,15 +12,27 @@
static int loadavg_proc_show(struct seq_file *m, void *v)
task_active_pid_ns(current)->last_pid);
return 0;
}
-diff -NurpP --minimal linux-3.9.5/fs/proc/meminfo.c linux-3.9.5-vs2.3.6.5/fs/proc/meminfo.c
---- linux-3.9.5/fs/proc/meminfo.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/meminfo.c 2013-05-31 16:05:39.000000000 +0000
-@@ -39,7 +39,8 @@ static int meminfo_proc_show(struct seq_
- allowed = ((totalram_pages - hugetlb_total_pages())
- * sysctl_overcommit_ratio / 100) + total_swap_pages;
-
-- cached = global_page_state(NR_FILE_PAGES) -
+diff -NurpP --minimal linux-4.9.217/fs/proc/meminfo.c linux-4.9.217-vs2.3.9.12/fs/proc/meminfo.c
+--- linux-4.9.217/fs/proc/meminfo.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/meminfo.c 2018-10-20 04:58:14.000000000 +0000
+@@ -55,7 +55,8 @@ static int meminfo_proc_show(struct seq_
+ si_swapinfo(&i);
+ committed = percpu_counter_read_positive(&vm_committed_as);
+
+- cached = global_node_page_state(NR_FILE_PAGES) -
+ cached = vx_flags(VXF_VIRT_MEM, 0) ?
-+ vx_vsi_cached(&i) : global_page_state(NR_FILE_PAGES) -
++ vx_vsi_cached(&i) : global_node_page_state(NR_FILE_PAGES) -
total_swapcache_pages() - i.bufferram;
if (cached < 0)
cached = 0;
-diff -NurpP --minimal linux-3.9.5/fs/proc/root.c linux-3.9.5-vs2.3.6.5/fs/proc/root.c
---- linux-3.9.5/fs/proc/root.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/root.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/proc/root.c linux-4.9.217-vs2.3.9.12/fs/proc/root.c
+--- linux-4.9.217/fs/proc/root.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/root.c 2018-10-20 04:58:14.000000000 +0000
@@ -20,9 +20,14 @@
#include <linux/mount.h>
#include <linux/pid_namespace.h>
+
+extern void proc_vx_init(void);
+
- static int proc_test_super(struct super_block *sb, void *data)
- {
- return sb->s_fs_info == data;
-@@ -182,6 +187,7 @@ void __init proc_root_init(void)
- #endif
+ enum {
+ Opt_gid, Opt_hidepid, Opt_err,
+ };
+@@ -145,6 +150,7 @@ void __init proc_root_init(void)
+ proc_tty_init();
proc_mkdir("bus", NULL);
proc_sys_init();
+ proc_vx_init();
}
static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
-@@ -248,6 +254,7 @@ struct proc_dir_entry proc_root = {
+@@ -206,6 +212,7 @@ struct proc_dir_entry proc_root = {
.proc_iops = &proc_root_inode_operations,
.proc_fops = &proc_root_operations,
.parent = &proc_root,
+ .vx_flags = IATTR_ADMIN | IATTR_WATCH,
+ .subdir = RB_ROOT,
.name = "/proc",
};
-
-diff -NurpP --minimal linux-3.9.5/fs/proc/self.c linux-3.9.5-vs2.3.6.5/fs/proc/self.c
---- linux-3.9.5/fs/proc/self.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/self.c 2013-05-31 20:57:54.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/proc/self.c linux-4.9.217-vs2.3.9.12/fs/proc/self.c
+--- linux-4.9.217/fs/proc/self.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/self.c 2018-10-20 04:58:14.000000000 +0000
@@ -1,6 +1,7 @@
- #include <linux/proc_fs.h>
#include <linux/sched.h>
- #include <linux/namei.h>
+ #include <linux/slab.h>
+ #include <linux/pid_namespace.h>
+#include <linux/vserver/inode.h>
+ #include "internal.h"
/*
- * /proc/self:
-@@ -56,4 +57,5 @@ void __init proc_self_init(void)
- mode = S_IFLNK | S_IRWXUGO;
- proc_self_symlink = proc_create("self", mode, NULL, NULL );
- proc_self_symlink->proc_iops = &proc_self_inode_operations;
-+ proc_self_symlink->vx_flags = IATTR_PROC_SYMLINK;
- }
-diff -NurpP --minimal linux-3.9.5/fs/proc/stat.c linux-3.9.5-vs2.3.6.5/fs/proc/stat.c
---- linux-3.9.5/fs/proc/stat.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/stat.c 2013-05-31 14:47:11.000000000 +0000
+@@ -54,6 +55,8 @@ int proc_setup_self(struct super_block *
+ self = d_alloc_name(s->s_root, "self");
+ if (self) {
+ struct inode *inode = new_inode(s);
++
++ // self->vx_flags = IATTR_PROC_SYMLINK;
+ if (inode) {
+ inode->i_ino = self_inum;
+ inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+diff -NurpP --minimal linux-4.9.217/fs/proc/stat.c linux-4.9.217-vs2.3.9.12/fs/proc/stat.c
+--- linux-4.9.217/fs/proc/stat.c 2020-03-27 00:51:25.690417888 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/stat.c 2019-10-13 15:58:54.758080005 +0000
@@ -9,8 +9,10 @@
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/irqnr.h>
+#include <linux/vserver/cvirt.h>
- #include <asm/cputime.h>
+ #include <linux/cputime.h>
#include <linux/tick.h>
+#include <linux/cpuset.h>
#ifndef arch_irq_stat_cpu
#define arch_irq_stat_cpu(cpu) 0
-@@ -87,14 +89,26 @@ static int show_stat(struct seq_file *p,
+@@ -86,13 +88,21 @@ static int show_stat(struct seq_file *p,
u64 sum_softirq = 0;
unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
- struct timespec boottime;
+ struct timespec64 boottime;
+ cpumask_var_t cpus_allowed;
+ bool virt_cpu = vx_flags(VXF_VIRT_CPU, 0);
user = nice = system = idle = iowait =
irq = softirq = steal = 0;
guest = guest_nice = 0;
- getboottime(&boottime);
-+
-+ if (vx_flags(VXF_VIRT_UPTIME, 0))
-+ vx_vsi_boottime(&boottime);
-+
+ getboottime64(&boottime);
+
+ if (virt_cpu)
+ cpuset_cpus_allowed(current, cpus_allowed);
+
- jif = boottime.tv_sec;
-
for_each_possible_cpu(i) {
+ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
+ continue;
user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
-@@ -131,6 +145,9 @@ static int show_stat(struct seq_file *p,
+@@ -128,6 +138,9 @@ static int show_stat(struct seq_file *p,
seq_putc(p, '\n');
for_each_online_cpu(i) {
/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
-diff -NurpP --minimal linux-3.9.5/fs/proc/uptime.c linux-3.9.5-vs2.3.6.5/fs/proc/uptime.c
---- linux-3.9.5/fs/proc/uptime.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc/uptime.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/proc/uptime.c linux-4.9.217-vs2.3.9.12/fs/proc/uptime.c
+--- linux-4.9.217/fs/proc/uptime.c 2020-03-27 00:51:25.690417888 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc/uptime.c 2019-10-13 16:02:19.324763467 +0000
@@ -5,6 +5,7 @@
#include <linux/seq_file.h>
#include <linux/time.h>
#include <linux/kernel_stat.h>
+#include <linux/vserver/cvirt.h>
- #include <asm/cputime.h>
static int uptime_proc_show(struct seq_file *m, void *v)
-@@ -25,6 +26,10 @@ static int uptime_proc_show(struct seq_f
- nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
+ {
+@@ -21,6 +22,7 @@ static int uptime_proc_show(struct seq_f
+ get_monotonic_boottime(&uptime);
idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
idle.tv_nsec = rem;
-+
-+ if (vx_flags(VXF_VIRT_UPTIME, 0))
-+ vx_vsi_uptime(&uptime, &idle);
+
seq_printf(m, "%lu.%02lu %lu.%02lu\n",
(unsigned long) uptime.tv_sec,
(uptime.tv_nsec / (NSEC_PER_SEC / 100)),
-diff -NurpP --minimal linux-3.9.5/fs/proc_namespace.c linux-3.9.5-vs2.3.6.5/fs/proc_namespace.c
---- linux-3.9.5/fs/proc_namespace.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/proc_namespace.c 2013-05-31 17:17:53.000000000 +0000
-@@ -44,6 +44,8 @@ static int show_sb_opts(struct seq_file
- { MS_SYNCHRONOUS, ",sync" },
+diff -NurpP --minimal linux-4.9.217/fs/proc_namespace.c linux-4.9.217-vs2.3.9.12/fs/proc_namespace.c
+--- linux-4.9.217/fs/proc_namespace.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/proc_namespace.c 2018-10-20 04:58:14.000000000 +0000
+@@ -46,6 +46,8 @@ static int show_sb_opts(struct seq_file
{ MS_DIRSYNC, ",dirsync" },
{ MS_MANDLOCK, ",mand" },
+ { MS_LAZYTIME, ",lazytime" },
+ { MS_TAGGED, ",tag" },
+ { MS_NOTAGCHECK, ",notagcheck" },
{ 0, NULL }
};
const struct proc_fs_info *fs_infop;
-@@ -80,6 +82,40 @@ static inline void mangle(struct seq_fil
+@@ -82,6 +84,38 @@ static inline void mangle(struct seq_fil
seq_escape(m, s, " \t\n\\");
}
+ if (mnt == mnt->mnt_ns->root)
+ return 1;
+
-+ br_read_lock(&vfsmount_lock);
++ rcu_read_lock();
+ root = current->fs->root;
+ root_mnt = real_mount(root.mnt);
+ point = root.dentry;
+ point = mnt->mnt_mountpoint;
+ mnt = mnt->mnt_parent;
+ }
++ rcu_read_unlock();
+
+ ret = (mnt == root_mnt) && is_subdir(point, root.dentry);
-+
-+ br_read_unlock(&vfsmount_lock);
-+
+ return ret;
+}
+
static void show_type(struct seq_file *m, struct super_block *sb)
{
mangle(m, sb->s_type->name);
-@@ -96,6 +132,17 @@ static int show_vfsmnt(struct seq_file *
- struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+@@ -99,6 +133,17 @@ static int show_vfsmnt(struct seq_file *
struct super_block *sb = mnt_path.dentry->d_sb;
+ int err;
+ if (vx_flags(VXF_HIDE_MOUNT, 0))
+ return SEQ_SKIP;
if (sb->s_op->show_devname) {
err = sb->s_op->show_devname(m, mnt_path.dentry);
if (err)
-@@ -106,6 +153,7 @@ static int show_vfsmnt(struct seq_file *
- seq_putc(m, ' ');
- seq_path(m, &mnt_path, " \t\n\\");
+@@ -112,6 +157,7 @@ static int show_vfsmnt(struct seq_file *
+ if (err)
+ goto out;
seq_putc(m, ' ');
+type:
show_type(m, sb);
seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
err = show_sb_opts(m, sb);
-@@ -128,6 +176,11 @@ static int show_mountinfo(struct seq_fil
- struct path root = p->root;
- int err = 0;
+@@ -133,6 +179,11 @@ static int show_mountinfo(struct seq_fil
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ int err;
+ if (vx_flags(VXF_HIDE_MOUNT, 0))
+ return SEQ_SKIP;
+
seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
MAJOR(sb->s_dev), MINOR(sb->s_dev));
- if (sb->s_op->show_path)
-@@ -187,6 +240,17 @@ static int show_vfsstat(struct seq_file
+ if (sb->s_op->show_path) {
+@@ -195,6 +246,17 @@ static int show_vfsstat(struct seq_file
struct super_block *sb = mnt_path.dentry->d_sb;
- int err = 0;
+ int err;
+ if (vx_flags(VXF_HIDE_MOUNT, 0))
+ return SEQ_SKIP;
/* device */
if (sb->s_op->show_devname) {
seq_puts(m, "device ");
-@@ -203,7 +267,7 @@ static int show_vfsstat(struct seq_file
- seq_puts(m, " mounted on ");
- seq_path(m, &mnt_path, " \t\n\\");
+@@ -216,7 +278,7 @@ static int show_vfsstat(struct seq_file
+ if (err)
+ goto out;
seq_putc(m, ' ');
-
+type:
/* file system type */
seq_puts(m, "with fstype ");
show_type(m, sb);
-diff -NurpP --minimal linux-3.9.5/fs/quota/dquot.c linux-3.9.5-vs2.3.6.5/fs/quota/dquot.c
---- linux-3.9.5/fs/quota/dquot.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/quota/dquot.c 2013-05-31 14:47:11.000000000 +0000
-@@ -1585,6 +1585,9 @@ int __dquot_alloc_space(struct inode *in
- struct dquot **dquots = inode->i_dquot;
+diff -NurpP --minimal linux-4.9.217/fs/quota/dquot.c linux-4.9.217-vs2.3.9.12/fs/quota/dquot.c
+--- linux-4.9.217/fs/quota/dquot.c 2020-03-27 00:51:25.790416308 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/quota/dquot.c 2020-04-01 09:40:28.705463971 +0000
+@@ -1659,6 +1659,9 @@ int __dquot_alloc_space(struct inode *in
int reserve = flags & DQUOT_SPACE_RESERVE;
+ struct dquot **dquots;
+ if ((ret = dl_alloc_space(inode, number)))
+ return ret;
+
- /*
- * First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex
-@@ -1640,6 +1643,9 @@ int dquot_alloc_inode(const struct inode
+ if (!dquot_active(inode)) {
+ inode_incr_space(inode, number, reserve);
+ goto out;
+@@ -1711,6 +1714,9 @@ int dquot_alloc_inode(struct inode *inod
struct dquot_warn warn[MAXQUOTAS];
- struct dquot * const *dquots = inode->i_dquot;
+ struct dquot * const *dquots;
+ if ((ret = dl_alloc_inode(inode)))
+ return ret;
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode))
-@@ -1711,6 +1717,8 @@ void __dquot_free_space(struct inode *in
- struct dquot **dquots = inode->i_dquot;
- int reserve = flags & DQUOT_SPACE_RESERVE;
+ return 0;
+ for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+@@ -1813,6 +1819,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots;
+ int reserve = flags & DQUOT_SPACE_RESERVE, index;
+ dl_free_space(inode, number);
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode)) {
-@@ -1755,6 +1763,8 @@ void dquot_free_inode(const struct inode
- struct dquot_warn warn[MAXQUOTAS];
- struct dquot * const *dquots = inode->i_dquot;
+ inode_decr_space(inode, number, reserve);
+ return;
+@@ -1857,6 +1865,8 @@ void dquot_free_inode(struct inode *inod
+ struct dquot * const *dquots;
+ int index;
+ dl_free_inode(inode);
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode))
-diff -NurpP --minimal linux-3.9.5/fs/quota/quota.c linux-3.9.5-vs2.3.6.5/fs/quota/quota.c
---- linux-3.9.5/fs/quota/quota.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/quota/quota.c 2013-05-31 14:47:11.000000000 +0000
+ return;
+
+diff -NurpP --minimal linux-4.9.217/fs/quota/quota.c linux-4.9.217-vs2.3.9.12/fs/quota/quota.c
+--- linux-4.9.217/fs/quota/quota.c 2020-03-27 00:51:25.840415520 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/quota/quota.c 2018-10-20 05:55:43.000000000 +0000
@@ -8,6 +8,7 @@
#include <linux/fs.h>
#include <linux/namei.h>
#include <asm/current.h>
#include <linux/uaccess.h>
#include <linux/kernel.h>
-@@ -37,7 +38,7 @@ static int check_quotactl_permission(str
+@@ -39,7 +40,7 @@ static int check_quotactl_permission(str
break;
/*FALLTHROUGH*/
default:
return -EPERM;
}
-@@ -309,6 +310,46 @@ static int do_quotactl(struct super_bloc
+@@ -770,6 +771,46 @@ static int do_quotactl(struct super_bloc
#ifdef CONFIG_BLOCK
/* Return 1 if 'cmd' will block on frozen filesystem */
static int quotactl_cmd_write(int cmd)
{
-@@ -343,6 +384,22 @@ static struct super_block *quotactl_bloc
+@@ -811,6 +852,22 @@ static struct super_block *quotactl_bloc
putname(tmp);
if (IS_ERR(bdev))
return ERR_CAST(bdev);
if (quotactl_cmd_write(cmd))
sb = get_super_thawed(bdev);
else
-diff -NurpP --minimal linux-3.9.5/fs/stat.c linux-3.9.5-vs2.3.6.5/fs/stat.c
---- linux-3.9.5/fs/stat.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/stat.c 2013-06-01 08:53:01.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/stat.c linux-4.9.217-vs2.3.9.12/fs/stat.c
+--- linux-4.9.217/fs/stat.c 2020-03-27 00:51:26.590403699 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/stat.c 2018-10-20 04:58:14.000000000 +0000
@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
stat->nlink = inode->i_nlink;
stat->uid = inode->i_uid;
stat->rdev = inode->i_rdev;
stat->size = i_size_read(inode);
stat->atime = inode->i_atime;
-diff -NurpP --minimal linux-3.9.5/fs/statfs.c linux-3.9.5-vs2.3.6.5/fs/statfs.c
---- linux-3.9.5/fs/statfs.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/statfs.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/statfs.c linux-4.9.217-vs2.3.9.12/fs/statfs.c
+--- linux-4.9.217/fs/statfs.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/statfs.c 2018-10-20 04:58:14.000000000 +0000
@@ -7,6 +7,8 @@
#include <linux/statfs.h>
#include <linux/security.h>
return retval;
}
-diff -NurpP --minimal linux-3.9.5/fs/super.c linux-3.9.5-vs2.3.6.5/fs/super.c
---- linux-3.9.5/fs/super.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/super.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/super.c linux-4.9.217-vs2.3.9.12/fs/super.c
+--- linux-4.9.217/fs/super.c 2020-03-27 00:51:26.590403699 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/super.c 2019-10-13 10:11:07.125382902 +0000
@@ -34,6 +34,8 @@
- #include <linux/cleancache.h>
#include <linux/fsnotify.h>
#include <linux/lockdep.h>
+ #include <linux/user_namespace.h>
+#include <linux/magic.h>
+#include <linux/vs_context.h>
#include "internal.h"
-@@ -1117,6 +1119,13 @@ mount_fs(struct file_system_type *type,
- WARN_ON(sb->s_bdi == &default_backing_dev_info);
+@@ -482,7 +484,7 @@ struct super_block *sget_userns(struct f
+
+ if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) &&
+ !(type->fs_flags & FS_USERNS_MOUNT) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return ERR_PTR(-EPERM);
+ retry:
+ spin_lock(&sb_lock);
+@@ -563,7 +565,8 @@ struct super_block *sget(struct file_sys
+ user_ns = &init_user_ns;
+
+ /* Ensure the requestor has permissions over the target filesystem */
+- if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) && !ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) &&
++ !vx_ns_capable(user_ns, CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return ERR_PTR(-EPERM);
+
+ return sget_userns(type, test, set, flags, user_ns, data);
+@@ -995,7 +998,8 @@ struct dentry *mount_ns(struct file_syst
+ /* Don't allow mounting unless the caller has CAP_SYS_ADMIN
+ * over the namespace.
+ */
+- if (!(flags & MS_KERNMOUNT) && !ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!(flags & MS_KERNMOUNT) &&
++ !vx_ns_capable(user_ns, CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return ERR_PTR(-EPERM);
+
+ sb = sget_userns(fs_type, ns_test_super, ns_set_super, flags,
+@@ -1213,6 +1217,13 @@ mount_fs(struct file_system_type *type,
+ smp_wmb();
sb->s_flags |= MS_BORN;
+ error = -EPERM;
error = security_sb_kern_mount(sb, flags, secdata);
if (error)
goto out_sb;
-diff -NurpP --minimal linux-3.9.5/fs/sysfs/mount.c linux-3.9.5-vs2.3.6.5/fs/sysfs/mount.c
---- linux-3.9.5/fs/sysfs/mount.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/sysfs/mount.c 2013-05-31 14:47:11.000000000 +0000
-@@ -48,7 +48,7 @@ static int sysfs_fill_super(struct super
-
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
-- sb->s_magic = SYSFS_MAGIC;
-+ sb->s_magic = SYSFS_SUPER_MAGIC;
- sb->s_op = &sysfs_ops;
- sb->s_time_gran = 1;
-
-diff -NurpP --minimal linux-3.9.5/fs/utimes.c linux-3.9.5-vs2.3.6.5/fs/utimes.c
---- linux-3.9.5/fs/utimes.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/utimes.c 2013-05-31 22:40:16.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/utimes.c linux-4.9.217-vs2.3.9.12/fs/utimes.c
+--- linux-4.9.217/fs/utimes.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/utimes.c 2018-10-20 04:58:14.000000000 +0000
@@ -8,6 +8,8 @@
#include <linux/stat.h>
#include <linux/utime.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
-@@ -52,12 +54,18 @@ static int utimes_common(struct path *pa
+@@ -52,13 +54,19 @@ static int utimes_common(struct path *pa
{
int error;
struct iattr newattrs;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *delegated_inode = NULL;
+ struct inode *inode;
+
+ error = cow_check_and_break(path);
if (times && times[0].tv_nsec == UTIME_NOW &&
times[1].tv_nsec == UTIME_NOW)
times = NULL;
-diff -NurpP --minimal linux-3.9.5/fs/xattr.c linux-3.9.5-vs2.3.6.5/fs/xattr.c
---- linux-3.9.5/fs/xattr.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xattr.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/fs/xattr.c linux-4.9.217-vs2.3.9.12/fs/xattr.c
+--- linux-4.9.217/fs/xattr.c 2020-03-27 00:51:27.560388412 +0000
++++ linux-4.9.217-vs2.3.9.12/fs/xattr.c 2018-10-20 05:55:43.000000000 +0000
@@ -21,6 +21,7 @@
#include <linux/audit.h>
#include <linux/vmalloc.h>
#include <asm/uaccess.h>
-@@ -52,7 +53,7 @@ xattr_permission(struct inode *inode, co
+@@ -112,7 +113,7 @@ xattr_permission(struct inode *inode, co
* The trusted.* namespace can only be accessed by privileged users.
*/
if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {
return (mask & MAY_WRITE) ? -EPERM : -ENODATA;
return 0;
}
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_dinode.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_dinode.h
---- linux-3.9.5/fs/xfs/xfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_dinode.h 2013-05-31 14:47:11.000000000 +0000
-@@ -51,7 +51,9 @@ typedef struct xfs_dinode {
- __be32 di_nlink; /* number of links to file */
- __be16 di_projid_lo; /* lower part of owner's project id */
- __be16 di_projid_hi; /* higher part owner's project id */
-- __u8 di_pad[6]; /* unused, zeroed space */
-+ __u8 di_pad[2]; /* unused, zeroed space */
-+ __be16 di_tag; /* context tagging */
-+ __be16 di_vflags; /* vserver specific flags */
- __be16 di_flushiter; /* incremented on flush */
- xfs_timestamp_t di_atime; /* time last accessed */
- xfs_timestamp_t di_mtime; /* time last modified */
-@@ -184,6 +186,8 @@ static inline void xfs_dinode_put_rdev(s
- #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
- #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
- #define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
-+#define XFS_DIFLAG_IXUNLINK_BIT 15 /* Immutable inver on unlink */
-+
- #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
- #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
- #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
-@@ -199,6 +203,7 @@ static inline void xfs_dinode_put_rdev(s
- #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
- #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
- #define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
-+#define XFS_DIFLAG_IXUNLINK (1 << XFS_DIFLAG_IXUNLINK_BIT)
-
- #ifdef CONFIG_XFS_RT
- #define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
-@@ -211,6 +216,10 @@ static inline void xfs_dinode_put_rdev(s
- XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
- XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
- XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
-- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
-+ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM | \
-+ XFS_DIFLAG_IXUNLINK)
-+
-+#define XFS_DIVFLAG_BARRIER 0x01
-+#define XFS_DIVFLAG_COW 0x02
-
- #endif /* __XFS_DINODE_H__ */
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_fs.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_fs.h
---- linux-3.9.5/fs/xfs/xfs_fs.h 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_fs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -67,6 +67,9 @@ struct fsxattr {
- #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
- #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
- #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
-+#define XFS_XFLAG_IXUNLINK 0x00008000 /* immutable invert on unlink */
-+#define XFS_XFLAG_BARRIER 0x10000000 /* chroot() barrier */
-+#define XFS_XFLAG_COW 0x20000000 /* copy on write mark */
- #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
-
- /*
-@@ -303,7 +306,8 @@ typedef struct xfs_bstat {
- #define bs_projid bs_projid_lo /* (previously just bs_projid) */
- __u16 bs_forkoff; /* inode fork offset in bytes */
- __u16 bs_projid_hi; /* higher part of project id */
-- unsigned char bs_pad[10]; /* pad space, unused */
-+ unsigned char bs_pad[8]; /* pad space, unused */
-+ __u16 bs_tag; /* context tagging */
- __u32 bs_dmevmask; /* DMIG event mask */
- __u16 bs_dmstate; /* DMIG state info */
- __u16 bs_aextents; /* attribute number of extents */
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_ialloc.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ialloc.c
---- linux-3.9.5/fs/xfs/xfs_ialloc.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ialloc.c 2013-05-31 14:47:11.000000000 +0000
-@@ -37,7 +37,6 @@
- #include "xfs_error.h"
- #include "xfs_bmap.h"
-
--
- /*
- * Allocation group level functions.
- */
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_inode.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_inode.c
---- linux-3.9.5/fs/xfs/xfs_inode.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_inode.c 2013-06-03 19:35:13.000000000 +0000
-@@ -16,6 +16,7 @@
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include <linux/log2.h>
-+#include <linux/vs_tag.h>
-
- #include "xfs.h"
- #include "xfs_fs.h"
-@@ -835,15 +836,25 @@ xfs_iformat_btree(
- STATIC void
- xfs_dinode_from_disk(
- xfs_icdinode_t *to,
-- xfs_dinode_t *from)
-+ xfs_dinode_t *from,
-+ int tagged)
- {
-+ uint32_t uid, gid, tag;
-+
- to->di_magic = be16_to_cpu(from->di_magic);
- to->di_mode = be16_to_cpu(from->di_mode);
- to->di_version = from ->di_version;
- to->di_format = from->di_format;
- to->di_onlink = be16_to_cpu(from->di_onlink);
-- to->di_uid = be32_to_cpu(from->di_uid);
-- to->di_gid = be32_to_cpu(from->di_gid);
-+
-+ uid = be32_to_cpu(from->di_uid);
-+ gid = be32_to_cpu(from->di_gid);
-+ tag = be16_to_cpu(from->di_tag);
-+
-+ to->di_uid = INOTAG_UID(tagged, uid, gid);
-+ to->di_gid = INOTAG_GID(tagged, uid, gid);
-+ to->di_tag = INOTAG_TAG(tagged, uid, gid, tag);
-+
- to->di_nlink = be32_to_cpu(from->di_nlink);
- to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
- to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
-@@ -865,21 +876,26 @@ xfs_dinode_from_disk(
- to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
- to->di_dmstate = be16_to_cpu(from->di_dmstate);
- to->di_flags = be16_to_cpu(from->di_flags);
-+ to->di_vflags = be16_to_cpu(from->di_vflags);
- to->di_gen = be32_to_cpu(from->di_gen);
- }
-
- void
- xfs_dinode_to_disk(
- xfs_dinode_t *to,
-- xfs_icdinode_t *from)
-+ xfs_icdinode_t *from,
-+ int tagged)
- {
- to->di_magic = cpu_to_be16(from->di_magic);
- to->di_mode = cpu_to_be16(from->di_mode);
- to->di_version = from ->di_version;
- to->di_format = from->di_format;
- to->di_onlink = cpu_to_be16(from->di_onlink);
-- to->di_uid = cpu_to_be32(from->di_uid);
-- to->di_gid = cpu_to_be32(from->di_gid);
-+
-+ to->di_uid = cpu_to_be32(TAGINO_UID(tagged, from->di_uid, from->di_tag));
-+ to->di_gid = cpu_to_be32(TAGINO_GID(tagged, from->di_gid, from->di_tag));
-+ to->di_tag = cpu_to_be16(TAGINO_TAG(tagged, from->di_tag));
-+
- to->di_nlink = cpu_to_be32(from->di_nlink);
- to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
- to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
-@@ -901,12 +917,14 @@ xfs_dinode_to_disk(
- to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
- to->di_dmstate = cpu_to_be16(from->di_dmstate);
- to->di_flags = cpu_to_be16(from->di_flags);
-+ to->di_vflags = cpu_to_be16(from->di_vflags);
- to->di_gen = cpu_to_be32(from->di_gen);
- }
-
- STATIC uint
- _xfs_dic2xflags(
-- __uint16_t di_flags)
-+ __uint16_t di_flags,
-+ __uint16_t di_vflags)
- {
- uint flags = 0;
-
-@@ -917,6 +935,8 @@ _xfs_dic2xflags(
- flags |= XFS_XFLAG_PREALLOC;
- if (di_flags & XFS_DIFLAG_IMMUTABLE)
- flags |= XFS_XFLAG_IMMUTABLE;
-+ if (di_flags & XFS_DIFLAG_IXUNLINK)
-+ flags |= XFS_XFLAG_IXUNLINK;
- if (di_flags & XFS_DIFLAG_APPEND)
- flags |= XFS_XFLAG_APPEND;
- if (di_flags & XFS_DIFLAG_SYNC)
-@@ -941,6 +961,10 @@ _xfs_dic2xflags(
- flags |= XFS_XFLAG_FILESTREAM;
- }
-
-+ if (di_vflags & XFS_DIVFLAG_BARRIER)
-+ flags |= FS_BARRIER_FL;
-+ if (di_vflags & XFS_DIVFLAG_COW)
-+ flags |= FS_COW_FL;
- return flags;
- }
-
-@@ -950,7 +974,7 @@ xfs_ip2xflags(
- {
- xfs_icdinode_t *dic = &ip->i_d;
-
-- return _xfs_dic2xflags(dic->di_flags) |
-+ return _xfs_dic2xflags(dic->di_flags, dic->di_vflags) |
- (XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
- }
-
-@@ -958,7 +982,8 @@ uint
- xfs_dic2xflags(
- xfs_dinode_t *dip)
- {
-- return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
-+ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
-+ be16_to_cpu(dip->di_vflags)) |
- (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
- }
-
-@@ -1012,7 +1037,8 @@ xfs_iread(
- * Otherwise, just get the truly permanent information.
- */
- if (dip->di_mode) {
-- xfs_dinode_from_disk(&ip->i_d, dip);
-+ xfs_dinode_from_disk(&ip->i_d, dip,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
- error = xfs_iformat(ip, dip);
- if (error) {
- #ifdef DEBUG
-@@ -1199,6 +1225,7 @@ xfs_ialloc(
- ASSERT(ip->i_d.di_nlink == nlink);
- ip->i_d.di_uid = current_fsuid();
- ip->i_d.di_gid = current_fsgid();
-+ ip->i_d.di_tag = current_fstag(&ip->i_vnode);
- xfs_set_projid(ip, prid);
- memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
-
-@@ -1258,6 +1285,7 @@ xfs_ialloc(
- ip->i_d.di_dmevmask = 0;
- ip->i_d.di_dmstate = 0;
- ip->i_d.di_flags = 0;
-+ ip->i_d.di_vflags = 0;
- flags = XFS_ILOG_CORE;
- switch (mode & S_IFMT) {
- case S_IFIFO:
-@@ -1952,6 +1980,7 @@ xfs_ifree(
- }
- ip->i_d.di_mode = 0; /* mark incore inode as free */
- ip->i_d.di_flags = 0;
-+ ip->i_d.di_vflags = 0;
- ip->i_d.di_dmevmask = 0;
- ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
- ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
-@@ -2118,7 +2147,6 @@ xfs_iroot_realloc(
- return;
- }
-
--
- /*
- * This is called when the amount of space needed for if_data
- * is increased or decreased. The change in size is indicated by
-@@ -2800,7 +2828,8 @@ xfs_iflush_int(
- * because if the inode is dirty at all the core must
- * be.
- */
-- xfs_dinode_to_disk(dip, &ip->i_d);
-+ xfs_dinode_to_disk(dip, &ip->i_d,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
-
- /* Wrap, we never let the log put out DI_MAX_FLUSH */
- if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_inode.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_inode.h
---- linux-3.9.5/fs/xfs/xfs_inode.h 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_inode.h 2013-05-31 14:47:11.000000000 +0000
-@@ -134,7 +134,9 @@ typedef struct xfs_icdinode {
- __uint32_t di_nlink; /* number of links to file */
- __uint16_t di_projid_lo; /* lower part of owner's project id */
- __uint16_t di_projid_hi; /* higher part of owner's project id */
-- __uint8_t di_pad[6]; /* unused, zeroed space */
-+ __uint8_t di_pad[2]; /* unused, zeroed space */
-+ __uint16_t di_tag; /* context tagging */
-+ __uint16_t di_vflags; /* vserver specific flags */
- __uint16_t di_flushiter; /* incremented on flush */
- xfs_ictimestamp_t di_atime; /* time last accessed */
- xfs_ictimestamp_t di_mtime; /* time last modified */
-@@ -556,7 +558,7 @@ int xfs_imap_to_bp(struct xfs_mount *,
- int xfs_iread(struct xfs_mount *, struct xfs_trans *,
- struct xfs_inode *, uint);
- void xfs_dinode_to_disk(struct xfs_dinode *,
-- struct xfs_icdinode *);
-+ struct xfs_icdinode *, int);
- void xfs_idestroy_fork(struct xfs_inode *, int);
- void xfs_idata_realloc(struct xfs_inode *, int, int);
- void xfs_iroot_realloc(struct xfs_inode *, int, int);
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_ioctl.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ioctl.c
---- linux-3.9.5/fs/xfs/xfs_ioctl.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ioctl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -26,7 +26,7 @@
- #include "xfs_bmap_btree.h"
- #include "xfs_dinode.h"
- #include "xfs_inode.h"
--#include "xfs_ioctl.h"
-+// #include "xfs_ioctl.h"
- #include "xfs_rtalloc.h"
- #include "xfs_itable.h"
- #include "xfs_error.h"
-@@ -763,6 +763,10 @@ xfs_merge_ioc_xflags(
- xflags |= XFS_XFLAG_IMMUTABLE;
- else
- xflags &= ~XFS_XFLAG_IMMUTABLE;
-+ if (flags & FS_IXUNLINK_FL)
-+ xflags |= XFS_XFLAG_IXUNLINK;
-+ else
-+ xflags &= ~XFS_XFLAG_IXUNLINK;
- if (flags & FS_APPEND_FL)
- xflags |= XFS_XFLAG_APPEND;
- else
-@@ -791,6 +795,8 @@ xfs_di2lxflags(
-
- if (di_flags & XFS_DIFLAG_IMMUTABLE)
- flags |= FS_IMMUTABLE_FL;
-+ if (di_flags & XFS_DIFLAG_IXUNLINK)
-+ flags |= FS_IXUNLINK_FL;
- if (di_flags & XFS_DIFLAG_APPEND)
- flags |= FS_APPEND_FL;
- if (di_flags & XFS_DIFLAG_SYNC)
-@@ -851,6 +857,8 @@ xfs_set_diflags(
- di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
- if (xflags & XFS_XFLAG_IMMUTABLE)
- di_flags |= XFS_DIFLAG_IMMUTABLE;
-+ if (xflags & XFS_XFLAG_IXUNLINK)
-+ di_flags |= XFS_DIFLAG_IXUNLINK;
- if (xflags & XFS_XFLAG_APPEND)
- di_flags |= XFS_DIFLAG_APPEND;
- if (xflags & XFS_XFLAG_SYNC)
-@@ -893,6 +901,10 @@ xfs_diflags_to_linux(
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
-+ if (xflags & XFS_XFLAG_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
-+ else
-+ inode->i_flags &= ~S_IXUNLINK;
- if (xflags & XFS_XFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
-@@ -1397,10 +1409,18 @@ xfs_file_ioctl(
- case XFS_IOC_FSGETXATTRA:
- return xfs_ioc_fsgetxattr(ip, 1, arg);
- case XFS_IOC_FSSETXATTR:
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -XFS_ERROR(EACCES);
-+ }
- return xfs_ioc_fssetxattr(ip, filp, arg);
- case XFS_IOC_GETXFLAGS:
- return xfs_ioc_getxflags(ip, arg);
- case XFS_IOC_SETXFLAGS:
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -XFS_ERROR(EACCES);
-+ }
- return xfs_ioc_setxflags(ip, filp, arg);
-
- case XFS_IOC_FSSETDM: {
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_ioctl.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ioctl.h
---- linux-3.9.5/fs/xfs/xfs_ioctl.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_ioctl.h 2013-05-31 14:47:11.000000000 +0000
-@@ -70,6 +70,12 @@ xfs_handle_to_dentry(
- void __user *uhandle,
- u32 hlen);
-
-+extern int
-+xfs_sync_flags(
-+ struct inode *inode,
-+ int flags,
-+ int vflags);
-+
- extern long
- xfs_file_ioctl(
- struct file *filp,
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_iops.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_iops.c
---- linux-3.9.5/fs/xfs/xfs_iops.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_iops.c 2013-06-13 00:14:32.000000000 +0000
-@@ -28,6 +28,7 @@
- #include "xfs_bmap_btree.h"
- #include "xfs_dinode.h"
- #include "xfs_inode.h"
-+#include "xfs_ioctl.h"
- #include "xfs_bmap.h"
- #include "xfs_rtalloc.h"
- #include "xfs_error.h"
-@@ -47,6 +48,7 @@
- #include <linux/security.h>
- #include <linux/fiemap.h>
- #include <linux/slab.h>
-+#include <linux/vs_tag.h>
-
- static int
- xfs_initxattrs(
-@@ -422,6 +424,7 @@ xfs_vn_getattr(
- stat->nlink = ip->i_d.di_nlink;
- stat->uid = ip->i_d.di_uid;
- stat->gid = ip->i_d.di_gid;
-+ stat->tag = ip->i_d.di_tag;
- stat->ino = ip->i_ino;
- stat->atime = inode->i_atime;
- stat->mtime = inode->i_mtime;
-@@ -1054,6 +1057,7 @@ static const struct inode_operations xfs
- .listxattr = xfs_vn_listxattr,
- .fiemap = xfs_vn_fiemap,
- .update_time = xfs_vn_update_time,
-+ .sync_flags = xfs_sync_flags,
- };
-
- static const struct inode_operations xfs_dir_inode_operations = {
-@@ -1080,6 +1084,7 @@ static const struct inode_operations xfs
- .removexattr = generic_removexattr,
- .listxattr = xfs_vn_listxattr,
- .update_time = xfs_vn_update_time,
-+ .sync_flags = xfs_sync_flags,
- };
-
- static const struct inode_operations xfs_dir_ci_inode_operations = {
-@@ -1131,6 +1136,10 @@ xfs_diflags_to_iflags(
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
-+ if (ip->i_d.di_flags & XFS_DIFLAG_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
-+ else
-+ inode->i_flags &= ~S_IXUNLINK;
- if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
-@@ -1143,6 +1152,15 @@ xfs_diflags_to_iflags(
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
-+
-+ if (ip->i_d.di_vflags & XFS_DIVFLAG_BARRIER)
-+ inode->i_vflags |= V_BARRIER;
-+ else
-+ inode->i_vflags &= ~V_BARRIER;
-+ if (ip->i_d.di_vflags & XFS_DIVFLAG_COW)
-+ inode->i_vflags |= V_COW;
-+ else
-+ inode->i_vflags &= ~V_COW;
- }
-
- /*
-@@ -1174,6 +1192,7 @@ xfs_setup_inode(
- set_nlink(inode, ip->i_d.di_nlink);
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
-+ inode->i_tag = ip->i_d.di_tag;
-
- switch (inode->i_mode & S_IFMT) {
- case S_IFBLK:
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_itable.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_itable.c
---- linux-3.9.5/fs/xfs/xfs_itable.c 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_itable.c 2013-05-31 14:47:11.000000000 +0000
-@@ -97,6 +97,7 @@ xfs_bulkstat_one_int(
- buf->bs_mode = dic->di_mode;
- buf->bs_uid = dic->di_uid;
- buf->bs_gid = dic->di_gid;
-+ buf->bs_tag = dic->di_tag;
- buf->bs_size = dic->di_size;
- buf->bs_atime.tv_sec = dic->di_atime.t_sec;
- buf->bs_atime.tv_nsec = dic->di_atime.t_nsec;
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_linux.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_linux.h
---- linux-3.9.5/fs/xfs/xfs_linux.h 2013-02-19 13:58:49.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_linux.h 2013-05-31 14:47:11.000000000 +0000
-@@ -123,6 +123,7 @@
-
- #define current_cpu() (raw_smp_processor_id())
- #define current_pid() (current->pid)
-+#define current_fstag(vp) (dx_current_fstag((vp)->i_sb))
- #define current_test_flags(f) (current->flags & (f))
- #define current_set_flags_nested(sp, f) \
- (*(sp) = current->flags, current->flags |= (f))
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_log_recover.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_log_recover.c
---- linux-3.9.5/fs/xfs/xfs_log_recover.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_log_recover.c 2013-05-31 14:47:11.000000000 +0000
-@@ -2361,7 +2361,8 @@ xlog_recover_inode_pass2(
- }
-
- /* The core is in in-core format */
-- xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr);
-+ xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
-
- /* the rest is in on-disk format */
- if (item->ri_buf[1].i_len > sizeof(struct xfs_icdinode)) {
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_mount.h linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_mount.h
---- linux-3.9.5/fs/xfs/xfs_mount.h 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_mount.h 2013-05-31 14:47:11.000000000 +0000
-@@ -254,6 +254,7 @@ typedef struct xfs_mount {
- allocator */
- #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-
-+#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
-
- /*
- * Default minimum read and write sizes.
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_super.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_super.c
---- linux-3.9.5/fs/xfs/xfs_super.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_super.c 2013-05-31 14:47:11.000000000 +0000
-@@ -114,6 +114,9 @@ mempool_t *xfs_ioend_pool;
- #define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed logging disabled */
- #define MNTOPT_DISCARD "discard" /* Discard unused blocks */
- #define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
-+#define MNTOPT_TAGXID "tagxid" /* context tagging for inodes */
-+#define MNTOPT_TAGGED "tag" /* context tagging for inodes */
-+#define MNTOPT_NOTAGTAG "notag" /* do not use context tagging */
-
- /*
- * Table driven mount option parser.
-@@ -126,6 +129,8 @@ enum {
- Opt_nobarrier,
- Opt_inode64,
- Opt_inode32,
-+ Opt_tag,
-+ Opt_notag,
- Opt_err
- };
-
-@@ -134,6 +139,9 @@ static const match_table_t tokens = {
- {Opt_nobarrier, "nobarrier"},
- {Opt_inode64, "inode64"},
- {Opt_inode32, "inode32"},
-+ {Opt_tag, "tagxid"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
- {Opt_err, NULL}
- };
-
-@@ -392,6 +400,19 @@ xfs_parseargs(
- } else if (!strcmp(this_char, "irixsgid")) {
- xfs_warn(mp,
- "irixsgid is now a sysctl(2) variable, option is deprecated.");
-+#ifndef CONFIG_TAGGING_NONE
-+ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
-+ mp->m_flags &= ~XFS_MOUNT_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
-+ /* use value */
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
-+#endif
- } else {
- xfs_warn(mp, "unknown mount option [%s].", this_char);
- return EINVAL;
-@@ -1238,6 +1259,16 @@ xfs_fs_remount(
- case Opt_inode32:
- mp->m_maxagi = xfs_set_inode32(mp);
- break;
-+ case Opt_tag:
-+ if (!(sb->s_flags & MS_TAGGED)) {
-+ printk(KERN_INFO
-+ "XFS: %s: tagging not permitted on remount.\n",
-+ sb->s_id);
-+ return -EINVAL;
-+ }
-+ break;
-+ case Opt_notag:
-+ break;
- default:
- /*
- * Logically we would return an error here to prevent
-@@ -1458,6 +1489,9 @@ xfs_fs_fill_super(
- if (error)
- goto out_free_sb;
-
-+ if (mp->m_flags & XFS_MOUNT_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
-+
- /*
- * we must configure the block size in the superblock before we run the
- * full mount process as the mount process can lookup and cache inodes.
-diff -NurpP --minimal linux-3.9.5/fs/xfs/xfs_vnodeops.c linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_vnodeops.c
---- linux-3.9.5/fs/xfs/xfs_vnodeops.c 2013-05-31 13:45:25.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/fs/xfs/xfs_vnodeops.c 2013-05-31 14:47:11.000000000 +0000
-@@ -104,6 +104,77 @@ xfs_readlink_bmap(
- return error;
- }
-
-+
-+STATIC void
-+xfs_get_inode_flags(
-+ xfs_inode_t *ip)
-+{
-+ struct inode *inode = VFS_I(ip);
-+ unsigned int flags = inode->i_flags;
-+ unsigned int vflags = inode->i_vflags;
-+
-+ if (flags & S_IMMUTABLE)
-+ ip->i_d.di_flags |= XFS_DIFLAG_IMMUTABLE;
-+ else
-+ ip->i_d.di_flags &= ~XFS_DIFLAG_IMMUTABLE;
-+ if (flags & S_IXUNLINK)
-+ ip->i_d.di_flags |= XFS_DIFLAG_IXUNLINK;
-+ else
-+ ip->i_d.di_flags &= ~XFS_DIFLAG_IXUNLINK;
-+
-+ if (vflags & V_BARRIER)
-+ ip->i_d.di_vflags |= XFS_DIVFLAG_BARRIER;
-+ else
-+ ip->i_d.di_vflags &= ~XFS_DIVFLAG_BARRIER;
-+ if (vflags & V_COW)
-+ ip->i_d.di_vflags |= XFS_DIVFLAG_COW;
-+ else
-+ ip->i_d.di_vflags &= ~XFS_DIVFLAG_COW;
-+}
-+
-+int
-+xfs_sync_flags(
-+ struct inode *inode,
-+ int flags,
-+ int vflags)
-+{
-+ struct xfs_inode *ip = XFS_I(inode);
-+ struct xfs_mount *mp = ip->i_mount;
-+ struct xfs_trans *tp;
-+ unsigned int lock_flags = 0;
-+ int code;
-+
-+ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
-+ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
-+ if (code)
-+ goto error_out;
-+
-+ xfs_ilock(ip, XFS_ILOCK_EXCL);
-+ xfs_trans_ijoin(tp, ip, 0);
-+
-+ inode->i_flags = flags;
-+ inode->i_vflags = vflags;
-+ xfs_get_inode_flags(ip);
-+
-+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-+ xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
-+
-+ XFS_STATS_INC(xs_ig_attrchg);
-+
-+ if (mp->m_flags & XFS_MOUNT_WSYNC)
-+ xfs_trans_set_sync(tp);
-+ code = xfs_trans_commit(tp, 0);
-+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
-+ return code;
-+
-+error_out:
-+ xfs_trans_cancel(tp, 0);
-+ if (lock_flags)
-+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
-+ return code;
-+}
-+
-+
- int
- xfs_readlink(
- xfs_inode_t *ip,
-diff -NurpP --minimal linux-3.9.5/include/linux/cred.h linux-3.9.5-vs2.3.6.5/include/linux/cred.h
---- linux-3.9.5/include/linux/cred.h 2013-02-19 13:58:50.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/cred.h 2013-05-31 14:47:11.000000000 +0000
-@@ -143,6 +143,7 @@ extern void exit_creds(struct task_struc
+diff -NurpP --minimal linux-4.9.217/include/linux/capability.h linux-4.9.217-vs2.3.9.12/include/linux/capability.h
+--- linux-4.9.217/include/linux/capability.h 2020-03-27 00:51:31.040333567 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/capability.h 2018-10-20 04:58:14.000000000 +0000
+@@ -78,7 +78,8 @@ extern const kernel_cap_t __cap_init_eff
+ #else /* HAND-CODED capability initializers */
+
+ #define CAP_LAST_U32 ((_KERNEL_CAPABILITY_U32S) - 1)
+-#define CAP_LAST_U32_VALID_MASK (CAP_TO_MASK(CAP_LAST_CAP + 1) -1)
++#define CAP_LAST_U32_VALID_MASK ((CAP_TO_MASK(CAP_LAST_CAP + 1) -1) \
++ | CAP_TO_MASK(CAP_CONTEXT))
+
+ # define CAP_EMPTY_SET ((kernel_cap_t){{ 0, 0 }})
+ # define CAP_FULL_SET ((kernel_cap_t){{ ~0, CAP_LAST_U32_VALID_MASK }})
+diff -NurpP --minimal linux-4.9.217/include/linux/cred.h linux-4.9.217-vs2.3.9.12/include/linux/cred.h
+--- linux-4.9.217/include/linux/cred.h 2020-03-27 00:51:31.560325368 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/cred.h 2019-10-05 14:58:45.680307395 +0000
+@@ -156,6 +156,7 @@ extern void exit_creds(struct task_struc
extern int copy_creds(struct task_struct *, unsigned long);
extern const struct cred *get_task_cred(struct task_struct *);
extern struct cred *cred_alloc_blank(void);
extern struct cred *prepare_creds(void);
extern struct cred *prepare_exec_creds(void);
extern int commit_creds(struct cred *);
-@@ -196,6 +197,31 @@ static inline void validate_process_cred
+@@ -216,6 +217,31 @@ static inline bool cap_ambient_invariant
+ cred->cap_inheritable));
}
- #endif
+static inline void set_cred_subscribers(struct cred *cred, int n)
+{
/**
* get_new_cred - Get a reference on a new set of credentials
* @cred: The new credentials to reference
-diff -NurpP --minimal linux-3.9.5/include/linux/devpts_fs.h linux-3.9.5-vs2.3.6.5/include/linux/devpts_fs.h
---- linux-3.9.5/include/linux/devpts_fs.h 2013-02-19 13:58:50.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/devpts_fs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
+diff -NurpP --minimal linux-4.9.217/include/linux/dcache.h linux-4.9.217-vs2.3.9.12/include/linux/dcache.h
+--- linux-4.9.217/include/linux/dcache.h 2020-03-27 00:51:31.570325213 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/dcache.h 2018-10-20 04:58:14.000000000 +0000
+@@ -308,8 +308,10 @@ extern char *dentry_path(struct dentry *
+ */
+ static inline struct dentry *dget_dlock(struct dentry *dentry)
+ {
+- if (dentry)
++ if (dentry) {
+ dentry->d_lockref.count++;
++ // vx_dentry_inc(dentry);
++ }
+ return dentry;
+ }
+
+diff -NurpP --minimal linux-4.9.217/include/linux/devpts_fs.h linux-4.9.217-vs2.3.9.12/include/linux/devpts_fs.h
+--- linux-4.9.217/include/linux/devpts_fs.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/devpts_fs.h 2018-10-20 04:58:14.000000000 +0000
+@@ -34,5 +34,4 @@ void devpts_pty_kill(struct dentry *);
#endif
-
#endif /* _LINUX_DEVPTS_FS_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/fs.h linux-3.9.5-vs2.3.6.5/include/linux/fs.h
---- linux-3.9.5/include/linux/fs.h 2013-05-31 13:45:27.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/fs.h 2013-06-12 23:49:08.000000000 +0000
-@@ -211,6 +211,7 @@ typedef void (dio_iodone_t)(struct kiocb
- #define ATTR_KILL_PRIV (1 << 14)
+diff -NurpP --minimal linux-4.9.217/include/linux/fs.h linux-4.9.217-vs2.3.9.12/include/linux/fs.h
+--- linux-4.9.217/include/linux/fs.h 2020-03-27 00:51:31.760322216 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/fs.h 2019-10-05 14:58:45.690307237 +0000
+@@ -231,6 +231,7 @@ typedef int (dio_iodone_t)(struct kiocb
#define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
#define ATTR_TIMES_SET (1 << 16)
-+#define ATTR_TAG (1 << 17)
+ #define ATTR_TOUCH (1 << 17)
++#define ATTR_TAG (1 << 18)
/*
- * This is the Inode Attributes structure, used for notify_change(). It
-@@ -226,6 +227,7 @@ struct iattr {
+ * Whiteout is represented by a char device. The following constants define the
+@@ -253,6 +254,7 @@ struct iattr {
umode_t ia_mode;
kuid_t ia_uid;
kgid_t ia_gid;
loff_t ia_size;
struct timespec ia_atime;
struct timespec ia_mtime;
-@@ -523,7 +525,9 @@ struct inode {
+@@ -612,7 +614,9 @@ struct inode {
unsigned short i_opflags;
kuid_t i_uid;
kgid_t i_gid;
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *i_acl;
-@@ -552,6 +556,7 @@ struct inode {
+@@ -641,6 +645,7 @@ struct inode {
unsigned int __i_nlink;
};
dev_t i_rdev;
loff_t i_size;
struct timespec i_atime;
struct timespec i_mtime;
-@@ -702,6 +707,11 @@ static inline gid_t i_gid_read(const str
- return from_kgid(&init_user_ns, inode->i_gid);
- }
-
-+static inline vtag_t i_tag_read(const struct inode *inode)
-+{
-+ return from_ktag(&init_user_ns, inode->i_tag);
-+}
-+
- static inline void i_uid_write(struct inode *inode, uid_t uid)
- {
- inode->i_uid = make_kuid(&init_user_ns, uid);
-@@ -712,14 +722,19 @@ static inline void i_gid_write(struct in
- inode->i_gid = make_kgid(&init_user_ns, gid);
+@@ -845,14 +850,19 @@ static inline void i_size_write(struct i
+ #endif
}
+static inline void i_tag_write(struct inode *inode, vtag_t tag)
}
extern struct block_device *I_BDEV(struct inode *inode);
-@@ -786,6 +801,7 @@ struct file {
+@@ -909,6 +919,7 @@ struct file {
loff_t f_pos;
struct fown_struct f_owner;
const struct cred *f_cred;
struct file_ra_state f_ra;
u64 f_version;
-@@ -937,6 +953,7 @@ struct file_lock {
+@@ -1043,6 +1054,7 @@ struct file_lock {
struct file *fl_file;
loff_t fl_start;
loff_t fl_end;
struct fasync_struct * fl_fasync; /* for lease break notifications */
/* for lease breaks: */
-@@ -1567,6 +1584,7 @@ struct inode_operations {
- ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+@@ -1476,6 +1488,11 @@ static inline gid_t i_gid_read(const str
+ return from_kgid(inode->i_sb->s_user_ns, inode->i_gid);
+ }
+
++static inline vtag_t i_tag_read(const struct inode *inode)
++{
++ return from_ktag(&init_user_ns, inode->i_tag);
++}
++
+ static inline void i_uid_write(struct inode *inode, uid_t uid)
+ {
+ inode->i_uid = make_kuid(inode->i_sb->s_user_ns, uid);
+@@ -1765,6 +1782,7 @@ struct inode_operations {
+ int (*setattr) (struct dentry *, struct iattr *);
+ int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
- int (*removexattr) (struct dentry *, const char *);
+ int (*sync_flags) (struct inode *, int, int);
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
u64 len);
int (*update_time)(struct inode *, struct timespec *, int);
-@@ -1579,6 +1597,7 @@ ssize_t rw_copy_check_uvector(int type,
+@@ -1779,6 +1797,7 @@ ssize_t rw_copy_check_uvector(int type,
unsigned long nr_segs, unsigned long fast_segs,
struct iovec *fast_pointer,
struct iovec **ret_pointer);
+ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
- extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
- extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
-@@ -1632,6 +1651,14 @@ struct super_operations {
- #define S_IMA 1024 /* Inode has an associated IMA struct */
- #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
- #define S_NOSEC 4096 /* no suid or xattr security attributes */
-+#define S_IXUNLINK 8192 /* Immutable Invert on unlink */
+ extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *);
+@@ -1850,6 +1869,14 @@ struct super_operations {
+ #else
+ #define S_DAX 0 /* Make all the DAX code disappear */
+ #endif
++#define S_IXUNLINK 16384 /* Immutable Invert on unlink */
+
+/* Linux-VServer related Inode flags */
+
/*
* Note that nosuid etc flags are inode-specific: setting some file-system
-@@ -1656,10 +1683,13 @@ struct super_operations {
+@@ -1874,10 +1901,13 @@ struct super_operations {
#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
-@@ -1670,6 +1700,16 @@ struct super_operations {
- #define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
- #define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
+@@ -1897,6 +1927,16 @@ static inline bool HAS_UNMAPPED_ID(struc
+ return !uid_valid(inode->i_uid) || !gid_valid(inode->i_gid);
+ }
+#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
+
/*
* Inode state bits. Protected by inode->i_lock
*
-@@ -1898,6 +1938,9 @@ extern int rw_verify_area(int, struct fi
- extern int locks_mandatory_locked(struct inode *);
- extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
+@@ -2162,6 +2202,9 @@ extern struct kobject *fs_kobj;
+ extern int locks_mandatory_locked(struct file *);
+ extern int locks_mandatory_area(struct inode *, struct file *, loff_t, loff_t, unsigned char);
+#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
+#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
/*
* Candidates for mandatory locking have the setgid bit set
* but no group execute bit - an otherwise meaningless combination.
-@@ -2509,6 +2552,7 @@ extern int dcache_dir_open(struct inode
+@@ -2342,7 +2385,7 @@ struct filename {
+ const char iname[];
+ };
+
+-extern long vfs_truncate(const struct path *, loff_t);
++extern long vfs_truncate(struct path *, loff_t);
+ extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs,
+ struct file *filp);
+ extern int vfs_fallocate(struct file *file, int mode, loff_t offset,
+@@ -2973,6 +3016,7 @@ extern int dcache_dir_open(struct inode
extern int dcache_dir_close(struct inode *, struct file *);
extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
- extern int dcache_readdir(struct file *, void *, filldir_t);
-+extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *));
+ extern int dcache_readdir(struct file *, struct dir_context *);
++extern int dcache_readdir_filter(struct file *, struct dir_context *, int (*)(struct dentry *));
extern int simple_setattr(struct dentry *, struct iattr *);
extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
extern int simple_statfs(struct dentry *, struct kstatfs *);
-diff -NurpP --minimal linux-3.9.5/include/linux/init_task.h linux-3.9.5-vs2.3.6.5/include/linux/init_task.h
---- linux-3.9.5/include/linux/init_task.h 2013-05-31 13:45:27.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/init_task.h 2013-05-31 14:53:41.000000000 +0000
-@@ -222,6 +222,10 @@ extern struct task_group root_task_group
- INIT_TASK_RCU_PREEMPT(tsk) \
- INIT_CPUSET_SEQ \
+diff -NurpP --minimal linux-4.9.217/include/linux/init_task.h linux-4.9.217-vs2.3.9.12/include/linux/init_task.h
+--- linux-4.9.217/include/linux/init_task.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/init_task.h 2018-10-20 04:58:14.000000000 +0000
+@@ -271,6 +271,10 @@ extern struct task_group root_task_group
INIT_VTIME(tsk) \
+ INIT_NUMA_BALANCING(tsk) \
+ INIT_KASAN(tsk) \
+ .xid = 0, \
+ .vx_info = NULL, \
+ .nid = 0, \
}
-diff -NurpP --minimal linux-3.9.5/include/linux/ipc.h linux-3.9.5-vs2.3.6.5/include/linux/ipc.h
---- linux-3.9.5/include/linux/ipc.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/ipc.h 2013-06-12 23:49:08.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/ipc.h linux-4.9.217-vs2.3.9.12/include/linux/ipc.h
+--- linux-4.9.217/include/linux/ipc.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/ipc.h 2018-10-20 04:58:14.000000000 +0000
@@ -16,6 +16,7 @@ struct kern_ipc_perm
key_t key;
kuid_t uid;
kuid_t cuid;
kgid_t cgid;
umode_t mode;
-diff -NurpP --minimal linux-3.9.5/include/linux/loop.h linux-3.9.5-vs2.3.6.5/include/linux/loop.h
---- linux-3.9.5/include/linux/loop.h 2013-02-19 13:58:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/loop.h 2013-06-12 23:49:08.000000000 +0000
-@@ -41,6 +41,7 @@ struct loop_device {
- struct loop_func_table *lo_encryption;
- __u32 lo_init[2];
- kuid_t lo_key_owner; /* Who set the key */
-+ vxid_t lo_xid;
- int (*ioctl)(struct loop_device *, int cmd,
- unsigned long arg);
-
-diff -NurpP --minimal linux-3.9.5/include/linux/memcontrol.h linux-3.9.5-vs2.3.6.5/include/linux/memcontrol.h
---- linux-3.9.5/include/linux/memcontrol.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/memcontrol.h 2013-05-31 14:47:11.000000000 +0000
-@@ -86,6 +86,13 @@ extern struct mem_cgroup *try_get_mem_cg
- extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
- extern struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont);
+diff -NurpP --minimal linux-4.9.217/include/linux/memcontrol.h linux-4.9.217-vs2.3.9.12/include/linux/memcontrol.h
+--- linux-4.9.217/include/linux/memcontrol.h 2020-03-27 00:51:33.430295898 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/memcontrol.h 2018-10-20 04:58:14.000000000 +0000
+@@ -92,6 +92,7 @@ enum mem_cgroup_events_target {
+ MEM_CGROUP_NTARGETS,
+ };
-+extern u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member);
-+extern u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member);
+
-+extern s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem);
-+extern s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem);
-+extern s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem);
-+
- static inline
- bool mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *memcg)
- {
-diff -NurpP --minimal linux-3.9.5/include/linux/mm_types.h linux-3.9.5-vs2.3.6.5/include/linux/mm_types.h
---- linux-3.9.5/include/linux/mm_types.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/mm_types.h 2013-05-31 14:47:11.000000000 +0000
-@@ -380,6 +380,7 @@ struct mm_struct {
+ #ifdef CONFIG_MEMCG
- /* Architecture-specific MM context */
- mm_context_t context;
-+ struct vx_info *mm_vx_info;
-
- unsigned long flags; /* Must use atomic bitops to access the bits */
-
-diff -NurpP --minimal linux-3.9.5/include/linux/mount.h linux-3.9.5-vs2.3.6.5/include/linux/mount.h
---- linux-3.9.5/include/linux/mount.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/mount.h 2013-05-31 14:47:11.000000000 +0000
-@@ -49,6 +49,9 @@ struct mnt_namespace;
+ #define MEM_CGROUP_ID_SHIFT 16
+@@ -402,6 +403,12 @@ static inline bool mem_cgroup_is_descend
+ return cgroup_is_descendant(memcg->css.cgroup, root->css.cgroup);
+ }
- #define MNT_LOCK_READONLY 0x400000
++extern unsigned long mem_cgroup_mem_usage_pages(struct mem_cgroup *memcg);
++extern unsigned long mem_cgroup_mem_limit_pages(struct mem_cgroup *memcg);
++extern unsigned long mem_cgroup_memsw_usage_pages(struct mem_cgroup *memcg);
++extern unsigned long mem_cgroup_memsw_limit_pages(struct mem_cgroup *memcg);
++extern void dump_mem_cgroup(struct mem_cgroup *memcg);
++
+ static inline bool mm_match_cgroup(struct mm_struct *mm,
+ struct mem_cgroup *memcg)
+ {
+diff -NurpP --minimal linux-4.9.217/include/linux/mount.h linux-4.9.217-vs2.3.9.12/include/linux/mount.h
+--- linux-4.9.217/include/linux/mount.h 2020-03-27 00:51:37.020239318 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/mount.h 2018-10-20 04:58:14.000000000 +0000
+@@ -63,6 +63,9 @@ struct mnt_namespace;
+ #define MNT_MARKED 0x4000000
+ #define MNT_UMOUNT 0x8000000
+#define MNT_TAGID 0x10000
+#define MNT_NOTAG 0x20000
struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
struct super_block *mnt_sb; /* pointer to superblock */
-diff -NurpP --minimal linux-3.9.5/include/linux/net.h linux-3.9.5-vs2.3.6.5/include/linux/net.h
---- linux-3.9.5/include/linux/net.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/net.h 2013-05-31 14:47:11.000000000 +0000
-@@ -38,6 +38,7 @@ struct net;
+diff -NurpP --minimal linux-4.9.217/include/linux/netdevice.h linux-4.9.217-vs2.3.9.12/include/linux/netdevice.h
+--- linux-4.9.217/include/linux/netdevice.h 2020-03-27 00:51:37.160237109 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/netdevice.h 2019-12-25 15:37:52.148426794 +0000
+@@ -2489,6 +2489,7 @@ static inline int dev_recursion_level(vo
+
+ struct net_device *dev_get_by_index(struct net *net, int ifindex);
+ struct net_device *__dev_get_by_index(struct net *net, int ifindex);
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
+ struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
+ int netdev_get_name(struct net *net, char *name, int ifindex);
+ int dev_restart(struct net_device *dev);
+diff -NurpP --minimal linux-4.9.217/include/linux/net.h linux-4.9.217-vs2.3.9.12/include/linux/net.h
+--- linux-4.9.217/include/linux/net.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/net.h 2018-10-20 04:58:14.000000000 +0000
+@@ -44,6 +44,7 @@ struct net;
+ #define SOCK_NOSPACE 2
#define SOCK_PASSCRED 3
#define SOCK_PASSSEC 4
- #define SOCK_EXTERNALLY_ALLOCATED 5
-+#define SOCK_USER_SOCKET 6
++#define SOCK_USER_SOCKET 5
#ifndef ARCH_HAS_SOCKET_TYPES
/**
-diff -NurpP --minimal linux-3.9.5/include/linux/netdevice.h linux-3.9.5-vs2.3.6.5/include/linux/netdevice.h
---- linux-3.9.5/include/linux/netdevice.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/netdevice.h 2013-05-31 14:47:11.000000000 +0000
-@@ -1688,6 +1688,7 @@ extern void netdev_resync_ops(struct ne
-
- extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
- extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
-+extern struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
- extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
- extern int dev_restart(struct net_device *dev);
- #ifdef CONFIG_NETPOLL_TRAP
-diff -NurpP --minimal linux-3.9.5/include/linux/nsproxy.h linux-3.9.5-vs2.3.6.5/include/linux/nsproxy.h
---- linux-3.9.5/include/linux/nsproxy.h 2013-02-19 13:58:51.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/nsproxy.h 2013-05-31 17:17:53.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/nsproxy.h linux-4.9.217-vs2.3.9.12/include/linux/nsproxy.h
+--- linux-4.9.217/include/linux/nsproxy.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/nsproxy.h 2018-10-20 04:58:14.000000000 +0000
@@ -3,6 +3,7 @@
#include <linux/spinlock.h>
struct mnt_namespace;
struct uts_namespace;
-@@ -63,6 +64,7 @@ static inline struct nsproxy *task_nspro
- }
+@@ -65,6 +66,7 @@ extern struct nsproxy init_nsproxy;
+ */
int copy_namespaces(unsigned long flags, struct task_struct *tsk);
+struct nsproxy *copy_nsproxy(struct nsproxy *orig);
void exit_task_namespaces(struct task_struct *tsk);
void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
void free_nsproxy(struct nsproxy *ns);
-@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+@@ -72,16 +74,26 @@ int unshare_nsproxy_namespaces(unsigned
struct cred *, struct fs_struct *);
int __init nsproxy_cache_init(void);
}
#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/pid.h linux-3.9.5-vs2.3.6.5/include/linux/pid.h
---- linux-3.9.5/include/linux/pid.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/pid.h 2013-05-31 14:47:11.000000000 +0000
-@@ -8,7 +8,8 @@ enum pid_type
- PIDTYPE_PID,
- PIDTYPE_PGID,
+diff -NurpP --minimal linux-4.9.217/include/linux/pid.h linux-4.9.217-vs2.3.9.12/include/linux/pid.h
+--- linux-4.9.217/include/linux/pid.h 2020-03-27 00:51:38.850210473 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/pid.h 2018-10-20 04:58:14.000000000 +0000
+@@ -10,7 +10,8 @@ enum pid_type
PIDTYPE_SID,
-- PIDTYPE_MAX
-+ PIDTYPE_MAX,
-+ PIDTYPE_REALPID
+ PIDTYPE_MAX,
+ /* only valid to __task_pid_nr_ns() */
+- __PIDTYPE_TGID
++ __PIDTYPE_TGID,
++ __PIDTYPE_REALPID
};
/*
pid_t pid_vnr(struct pid *pid);
#define do_each_pid_task(pid, type, task) \
-diff -NurpP --minimal linux-3.9.5/include/linux/proc_fs.h linux-3.9.5-vs2.3.6.5/include/linux/proc_fs.h
---- linux-3.9.5/include/linux/proc_fs.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/proc_fs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -58,6 +58,7 @@ struct proc_dir_entry {
- nlink_t nlink;
- kuid_t uid;
- kgid_t gid;
-+ int vx_flags;
- loff_t size;
- const struct inode_operations *proc_iops;
- /*
-@@ -274,12 +275,18 @@ extern const struct proc_ns_operations p
- extern const struct proc_ns_operations userns_operations;
- extern const struct proc_ns_operations mntns_operations;
-
-+struct vx_info;
-+struct nx_info;
-+
- union proc_op {
- int (*proc_get_link)(struct dentry *, struct path *);
- int (*proc_read)(struct task_struct *task, char *page);
- int (*proc_show)(struct seq_file *m,
- struct pid_namespace *ns, struct pid *pid,
- struct task_struct *task);
-+ int (*proc_vs_read)(char *page);
-+ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
-+ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
- };
-
- struct ctl_table_header;
-@@ -287,6 +294,7 @@ struct ctl_table;
-
- struct proc_inode {
- struct pid *pid;
-+ int vx_flags;
- int fd;
- union proc_op op;
- struct proc_dir_entry *pde;
-diff -NurpP --minimal linux-3.9.5/include/linux/quotaops.h linux-3.9.5-vs2.3.6.5/include/linux/quotaops.h
---- linux-3.9.5/include/linux/quotaops.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/quotaops.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/quotaops.h linux-4.9.217-vs2.3.9.12/include/linux/quotaops.h
+--- linux-4.9.217/include/linux/quotaops.h 2020-03-27 00:51:40.950177377 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/quotaops.h 2019-12-25 15:37:52.158426633 +0000
@@ -8,6 +8,7 @@
#define _LINUX_QUOTAOPS_
#define DQUOT_SPACE_WARN 0x1
#define DQUOT_SPACE_RESERVE 0x2
-@@ -205,11 +206,12 @@ static inline void dquot_drop(struct ino
+@@ -224,11 +225,12 @@ static inline void dquot_drop(struct ino
- static inline int dquot_alloc_inode(const struct inode *inode)
+ static inline int dquot_alloc_inode(struct inode *inode)
{
- return 0;
+ return dl_alloc_inode(inode);
}
- static inline void dquot_free_inode(const struct inode *inode)
+ static inline void dquot_free_inode(struct inode *inode)
{
+ dl_free_inode(inode);
}
static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
-@@ -220,6 +222,10 @@ static inline int dquot_transfer(struct
+@@ -239,6 +241,10 @@ static inline int dquot_transfer(struct
static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
int flags)
{
if (!(flags & DQUOT_SPACE_RESERVE))
inode_add_bytes(inode, number);
return 0;
-@@ -230,6 +236,7 @@ static inline void __dquot_free_space(st
+@@ -249,6 +255,7 @@ static inline void __dquot_free_space(st
{
if (!(flags & DQUOT_SPACE_RESERVE))
inode_sub_bytes(inode, number);
}
static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
-diff -NurpP --minimal linux-3.9.5/include/linux/sched.h linux-3.9.5-vs2.3.6.5/include/linux/sched.h
---- linux-3.9.5/include/linux/sched.h 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/sched.h 2013-06-12 23:49:08.000000000 +0000
-@@ -1398,6 +1398,14 @@ struct task_struct {
+diff -NurpP --minimal linux-4.9.217/include/linux/sched.h linux-4.9.217-vs2.3.9.12/include/linux/sched.h
+--- linux-4.9.217/include/linux/sched.h 2020-03-27 00:51:41.060175640 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/sched.h 2019-10-05 14:58:45.710306917 +0000
+@@ -1719,6 +1719,14 @@ struct task_struct {
#endif
struct seccomp seccomp;
/* Thread group tracking */
u32 parent_exec_id;
u32 self_exec_id;
-@@ -1637,6 +1645,11 @@ struct pid_namespace;
+@@ -2112,6 +2120,11 @@ struct pid_namespace;
pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
struct pid_namespace *ns);
static inline pid_t task_pid_nr(struct task_struct *tsk)
{
return tsk->pid;
-@@ -1650,7 +1663,8 @@ static inline pid_t task_pid_nr_ns(struc
+@@ -2125,7 +2138,8 @@ static inline pid_t task_pid_nr_ns(struc
static inline pid_t task_pid_vnr(struct task_struct *tsk)
{
}
-@@ -1663,7 +1677,7 @@ pid_t task_tgid_nr_ns(struct task_struct
-
- static inline pid_t task_tgid_vnr(struct task_struct *tsk)
- {
-- return pid_vnr(task_tgid(tsk));
-+ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
- }
-
-
-diff -NurpP --minimal linux-3.9.5/include/linux/shmem_fs.h linux-3.9.5-vs2.3.6.5/include/linux/shmem_fs.h
---- linux-3.9.5/include/linux/shmem_fs.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/shmem_fs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -9,6 +9,9 @@
+diff -NurpP --minimal linux-4.9.217/include/linux/shmem_fs.h linux-4.9.217-vs2.3.9.12/include/linux/shmem_fs.h
+--- linux-4.9.217/include/linux/shmem_fs.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/shmem_fs.h 2018-10-20 04:58:14.000000000 +0000
+@@ -10,6 +10,9 @@
/* inode in-kernel data */
+
struct shmem_inode_info {
spinlock_t lock;
- unsigned long flags;
-diff -NurpP --minimal linux-3.9.5/include/linux/stat.h linux-3.9.5-vs2.3.6.5/include/linux/stat.h
---- linux-3.9.5/include/linux/stat.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/stat.h 2013-06-01 08:53:13.000000000 +0000
+ unsigned int seals; /* shmem seals */
+diff -NurpP --minimal linux-4.9.217/include/linux/stat.h linux-4.9.217-vs2.3.9.12/include/linux/stat.h
+--- linux-4.9.217/include/linux/stat.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/stat.h 2018-10-20 04:58:14.000000000 +0000
@@ -25,6 +25,7 @@ struct kstat {
unsigned int nlink;
kuid_t uid;
dev_t rdev;
loff_t size;
struct timespec atime;
-diff -NurpP --minimal linux-3.9.5/include/linux/sunrpc/auth.h linux-3.9.5-vs2.3.6.5/include/linux/sunrpc/auth.h
---- linux-3.9.5/include/linux/sunrpc/auth.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/sunrpc/auth.h 2013-05-31 14:52:57.000000000 +0000
-@@ -26,6 +26,7 @@
+diff -NurpP --minimal linux-4.9.217/include/linux/sunrpc/auth.h linux-4.9.217-vs2.3.9.12/include/linux/sunrpc/auth.h
+--- linux-4.9.217/include/linux/sunrpc/auth.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/sunrpc/auth.h 2018-10-20 04:58:14.000000000 +0000
+@@ -46,6 +46,7 @@ enum {
struct auth_cred {
kuid_t uid;
kgid_t gid;
+ ktag_t tag;
struct group_info *group_info;
const char *principal;
- unsigned char machine_cred : 1;
-diff -NurpP --minimal linux-3.9.5/include/linux/sunrpc/clnt.h linux-3.9.5-vs2.3.6.5/include/linux/sunrpc/clnt.h
---- linux-3.9.5/include/linux/sunrpc/clnt.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/sunrpc/clnt.h 2013-05-31 14:47:11.000000000 +0000
-@@ -49,7 +49,8 @@ struct rpc_clnt {
- unsigned int cl_softrtry : 1,/* soft timeouts */
+ unsigned long ac_flags;
+diff -NurpP --minimal linux-4.9.217/include/linux/sunrpc/clnt.h linux-4.9.217-vs2.3.9.12/include/linux/sunrpc/clnt.h
+--- linux-4.9.217/include/linux/sunrpc/clnt.h 2020-03-27 00:51:41.170173910 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/sunrpc/clnt.h 2018-10-20 05:55:43.000000000 +0000
+@@ -52,7 +52,8 @@ struct rpc_clnt {
cl_discrtry : 1,/* disconnect before retry */
+ cl_noretranstimeo: 1,/* No retransmit timeouts */
cl_autobind : 1,/* use getport() */
- cl_chatty : 1;/* be verbose */
+ cl_chatty : 1,/* be verbose */
struct rpc_rtt * cl_rtt; /* RTO estimator data */
const struct rpc_timeout *cl_timeout; /* Timeout strategy */
-diff -NurpP --minimal linux-3.9.5/include/linux/sysfs.h linux-3.9.5-vs2.3.6.5/include/linux/sysfs.h
---- linux-3.9.5/include/linux/sysfs.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/sysfs.h 2013-05-31 14:47:11.000000000 +0000
-@@ -19,6 +19,8 @@
- #include <linux/kobject_ns.h>
- #include <linux/atomic.h>
-
-+#define SYSFS_SUPER_MAGIC 0x62656572
-+
- struct kobject;
- struct module;
- enum kobj_ns_type;
-diff -NurpP --minimal linux-3.9.5/include/linux/types.h linux-3.9.5-vs2.3.6.5/include/linux/types.h
---- linux-3.9.5/include/linux/types.h 2013-02-19 13:58:52.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/types.h 2013-06-12 23:49:08.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/types.h linux-4.9.217-vs2.3.9.12/include/linux/types.h
+--- linux-4.9.217/include/linux/types.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/types.h 2018-10-20 04:58:14.000000000 +0000
@@ -32,6 +32,9 @@ typedef __kernel_uid32_t uid_t;
typedef __kernel_gid32_t gid_t;
typedef __kernel_uid16_t uid16_t;
typedef unsigned long uintptr_t;
-diff -NurpP --minimal linux-3.9.5/include/linux/uidgid.h linux-3.9.5-vs2.3.6.5/include/linux/uidgid.h
---- linux-3.9.5/include/linux/uidgid.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/uidgid.h 2013-06-12 23:49:08.000000000 +0000
-@@ -23,13 +23,17 @@ typedef struct {
+diff -NurpP --minimal linux-4.9.217/include/linux/uidgid.h linux-4.9.217-vs2.3.9.12/include/linux/uidgid.h
+--- linux-4.9.217/include/linux/uidgid.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/uidgid.h 2018-10-20 04:58:14.000000000 +0000
+@@ -21,13 +21,17 @@ typedef struct {
uid_t val;
} kuid_t;
#define KGIDT_INIT(value) (kgid_t){ value }
+#define KTAGT_INIT(value) (ktag_t){ value }
+ #ifdef CONFIG_MULTIUSER
static inline uid_t __kuid_val(kuid_t uid)
- {
-@@ -41,10 +45,16 @@ static inline gid_t __kgid_val(kgid_t gi
- return gid.val;
+@@ -51,11 +55,18 @@ static inline gid_t __kgid_val(kgid_t gi
}
+ #endif
+static inline vtag_t __ktag_val(ktag_t tag)
+{
+ return tag.val;
+}
+
- #else
-
- typedef uid_t kuid_t;
- typedef gid_t kgid_t;
-+typedef vtag_t ktag_t;
-
- static inline uid_t __kuid_val(kuid_t uid)
- {
-@@ -56,16 +66,24 @@ static inline gid_t __kgid_val(kgid_t gi
- return gid;
- }
-
-+static inline vtag_t __ktag_val(ktag_t tag)
-+{
-+ return tag;
-+}
-+
- #define KUIDT_INIT(value) ((kuid_t) value )
- #define KGIDT_INIT(value) ((kgid_t) value )
-+#define KTAGT_INIT(value) ((ktag_t) value )
-
- #endif
-
#define GLOBAL_ROOT_UID KUIDT_INIT(0)
#define GLOBAL_ROOT_GID KGIDT_INIT(0)
+#define GLOBAL_ROOT_TAG KTAGT_INIT(0)
static inline bool uid_eq(kuid_t left, kuid_t right)
{
-@@ -77,6 +95,11 @@ static inline bool gid_eq(kgid_t left, k
+@@ -67,6 +78,11 @@ static inline bool gid_eq(kgid_t left, k
return __kgid_val(left) == __kgid_val(right);
}
static inline bool uid_gt(kuid_t left, kuid_t right)
{
return __kuid_val(left) > __kuid_val(right);
-@@ -127,13 +150,21 @@ static inline bool gid_valid(kgid_t gid)
- return !gid_eq(gid, INVALID_GID);
+@@ -117,13 +133,21 @@ static inline bool gid_valid(kgid_t gid)
+ return __kgid_val(gid) != (gid_t) -1;
}
+static inline bool tag_valid(ktag_t tag)
extern kuid_t make_kuid(struct user_namespace *from, uid_t uid);
extern kgid_t make_kgid(struct user_namespace *from, gid_t gid);
-+extern krag_t make_ktag(struct user_namespace *from, gid_t gid);
++extern ktag_t make_ktag(struct user_namespace *from, gid_t gid);
extern uid_t from_kuid(struct user_namespace *to, kuid_t uid);
extern gid_t from_kgid(struct user_namespace *to, kgid_t gid);
extern uid_t from_kuid_munged(struct user_namespace *to, kuid_t uid);
extern gid_t from_kgid_munged(struct user_namespace *to, kgid_t gid);
-@@ -159,6 +190,11 @@ static inline kgid_t make_kgid(struct us
+@@ -149,6 +173,11 @@ static inline kgid_t make_kgid(struct us
return KGIDT_INIT(gid);
}
static inline uid_t from_kuid(struct user_namespace *to, kuid_t kuid)
{
return __kuid_val(kuid);
-@@ -169,6 +205,11 @@ static inline gid_t from_kgid(struct use
+@@ -159,6 +188,11 @@ static inline gid_t from_kgid(struct use
return __kgid_val(kgid);
}
static inline uid_t from_kuid_munged(struct user_namespace *to, kuid_t kuid)
{
uid_t uid = from_kuid(to, kuid);
-diff -NurpP --minimal linux-3.9.5/include/linux/vroot.h linux-3.9.5-vs2.3.6.5/include/linux/vroot.h
---- linux-3.9.5/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vroot.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vroot.h linux-4.9.217-vs2.3.9.12/include/linux/vroot.h
+--- linux-4.9.217/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vroot.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,51 @@
+
+/*
+ * include/linux/vroot.h
+ *
-+ * written by Herbert Pötzl, 9/11/2002
-+ * ported to 2.6 by Herbert Pötzl, 30/12/2004
++ * written by Herbert P?tzl, 9/11/2002
++ * ported to 2.6 by Herbert P?tzl, 30/12/2004
+ *
-+ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Copyright (C) 2002-2007 by Herbert P?tzl.
+ * Redistribution of this file is permitted under the
+ * GNU General Public License.
+ */
+#define VROOT_CLR_DEV 0x5601
+
+#endif /* _LINUX_VROOT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_base.h linux-3.9.5-vs2.3.6.5/include/linux/vs_base.h
---- linux-3.9.5/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_base.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_base.h linux-4.9.217-vs2.3.9.12/include/linux/vs_base.h
+--- linux-4.9.217/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_base.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,10 @@
+#ifndef _VS_BASE_H
+#define _VS_BASE_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_context.h linux-3.9.5-vs2.3.6.5/include/linux/vs_context.h
---- linux-3.9.5/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_context.h 2013-06-12 23:49:08.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_context.h linux-4.9.217-vs2.3.9.12/include/linux/vs_context.h
+--- linux-4.9.217/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_context.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,242 @@
+#ifndef _VS_CONTEXT_H
+#define _VS_CONTEXT_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_cowbl.h linux-3.9.5-vs2.3.6.5/include/linux/vs_cowbl.h
---- linux-3.9.5/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_cowbl.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_cowbl.h linux-4.9.217-vs2.3.9.12/include/linux/vs_cowbl.h
+--- linux-4.9.217/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_cowbl.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,48 @@
+#ifndef _VS_COWBL_H
+#define _VS_COWBL_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_cvirt.h linux-3.9.5-vs2.3.6.5/include/linux/vs_cvirt.h
---- linux-3.9.5/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_cvirt.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_cvirt.h linux-4.9.217-vs2.3.9.12/include/linux/vs_cvirt.h
+--- linux-4.9.217/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_cvirt.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,50 @@
+#ifndef _VS_CVIRT_H
+#define _VS_CVIRT_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_device.h linux-3.9.5-vs2.3.6.5/include/linux/vs_device.h
---- linux-3.9.5/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_device.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_device.h linux-4.9.217-vs2.3.9.12/include/linux/vs_device.h
+--- linux-4.9.217/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_device.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,45 @@
+#ifndef _VS_DEVICE_H
+#define _VS_DEVICE_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_dlimit.h linux-3.9.5-vs2.3.6.5/include/linux/vs_dlimit.h
---- linux-3.9.5/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_dlimit.h 2013-06-12 23:49:08.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_dlimit.h linux-4.9.217-vs2.3.9.12/include/linux/vs_dlimit.h
+--- linux-4.9.217/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_dlimit.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,215 @@
+#ifndef _VS_DLIMIT_H
+#define _VS_DLIMIT_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_inet.h linux-3.9.5-vs2.3.6.5/include/linux/vs_inet.h
---- linux-3.9.5/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_inet.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,364 @@
-+#ifndef _VS_INET_H
-+#define _VS_INET_H
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/base.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/base.h
+--- linux-4.9.217/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/base.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,184 @@
++#ifndef _VSERVER_BASE_H
++#define _VSERVER_BASE_H
+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
+
-+#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++/* context state changes */
+
-+#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
-+ NIPQUAD((a)->mask), (a)->type
-+#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
+
-+#define NIPQUAD(addr) \
-+ ((unsigned char *)&addr)[0], \
-+ ((unsigned char *)&addr)[1], \
-+ ((unsigned char *)&addr)[2], \
-+ ((unsigned char *)&addr)[3]
++ VSC_NETUP,
++ VSC_NETDOWN,
++};
+
-+#define NIPQUAD_FMT "%u.%u.%u.%u"
+
+
-+static inline
-+int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
-+{
-+ __be32 ip = nxa->ip[0].s_addr;
-+ __be32 mask = nxa->mask.s_addr;
-+ __be32 bcast = ip | ~mask;
-+ int ret = 0;
++#define vx_task_xid(t) ((t)->xid)
+
-+ switch (nxa->type & tmask) {
-+ case NXA_TYPE_MASK:
-+ ret = (ip == (addr & mask));
-+ break;
-+ case NXA_TYPE_ADDR:
-+ ret = 3;
-+ if (addr == ip)
-+ break;
-+ /* fall through to broadcast */
-+ case NXA_MOD_BCAST:
-+ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
-+ break;
-+ case NXA_TYPE_RANGE:
-+ ret = ((nxa->ip[0].s_addr <= addr) &&
-+ (nxa->ip[1].s_addr > addr));
-+ break;
-+ case NXA_TYPE_ANY:
-+ ret = 2;
-+ break;
-+ }
++#define vx_current_xid() vx_task_xid(current)
+
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
-+ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
-+ return ret;
-+}
++#define current_vx_info() (current->vx_info)
+
-+static inline
-+int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
-+{
-+ struct nx_addr_v4 *nxa;
-+ unsigned long irqflags;
-+ int ret = 1;
+
-+ if (!nxi)
-+ goto out;
++#define nx_task_nid(t) ((t)->nid)
+
-+ ret = 2;
-+ /* allow 127.0.0.1 when remapping lback */
-+ if ((tmask & NXA_LOOPBACK) &&
-+ (addr == IPI_LOOPBACK) &&
-+ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ goto out;
-+ ret = 3;
-+ /* check for lback address */
-+ if ((tmask & NXA_MOD_LBACK) &&
-+ (nxi->v4_lback.s_addr == addr))
-+ goto out;
-+ ret = 4;
-+ /* check for broadcast address */
-+ if ((tmask & NXA_MOD_BCAST) &&
-+ (nxi->v4_bcast.s_addr == addr))
-+ goto out;
-+ ret = 5;
++#define nx_current_nid() nx_task_nid(current)
+
-+ /* check for v4 addresses */
-+ spin_lock_irqsave(&nxi->addr_lock, irqflags);
-+ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
-+ if (v4_addr_match(nxa, addr, tmask))
-+ goto out_unlock;
-+ ret = 0;
-+out_unlock:
-+ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
-+out:
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
-+ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
-+ return ret;
-+}
++#define current_nx_info() (current->nx_info)
+
-+static inline
-+int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
-+{
-+ /* FIXME: needs full range checks */
-+ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
-+}
+
-+static inline
-+int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
-+{
-+ struct nx_addr_v4 *ptr;
-+ unsigned long irqflags;
-+ int ret = 1;
++/* generic flag merging */
+
-+ spin_lock_irqsave(&nxi->addr_lock, irqflags);
-+ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
-+ if (v4_nx_addr_match(ptr, nxa, mask))
-+ goto out_unlock;
-+ ret = 0;
-+out_unlock:
-+ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
-+ return ret;
-+}
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
+
-+#include <net/inet_sock.h>
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
+
-+/*
-+ * Check if a given address matches for a socket
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ */
-+static inline
-+int v4_sock_addr_match (
-+ struct nx_info *nxi,
-+ struct inet_sock *inet,
-+ __be32 addr)
-+{
-+ __be32 saddr = inet->inet_rcv_saddr;
-+ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
+
-+ if (addr && (saddr == addr || bcast == addr))
-+ return 1;
-+ if (!saddr)
-+ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
-+ return 0;
-+}
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
+
+
-+/* inet related checks and helpers */
++/* context flags */
+
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
++#define vx_current_flags() __vx_flags(current_vx_info())
+
-+#ifdef CONFIG_INET
++#define vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_sock.h>
-+#include <net/inet_timewait_sock.h>
++#define task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
+
++#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
+
-+int dev_in_nx_info(struct net_device *, struct nx_info *);
-+int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
-+int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
+
++/* context caps */
+
-+/*
-+ * check if address is covered by socket
-+ *
-+ * sk: the socket to check against
-+ * addr: the address in question (must be != 0)
-+ */
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
+
-+static inline
-+int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
-+{
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ __be32 saddr = sk_rcv_saddr(sk);
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
+
-+ vxdprintk(VXD_CBIT(net, 5),
-+ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
-+ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
-+ (sk->sk_socket?sk->sk_socket->flags:0));
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
+
-+ if (saddr) { /* direct address match */
-+ return v4_addr_match(nxa, saddr, -1);
-+ } else if (nxi) { /* match against nx_info */
-+ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
-+ } else { /* unrestricted any socket */
-+ return 1;
-+ }
-+}
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
+
+
+
-+static inline
-+int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
-+{
-+ vxdprintk(VXD_CBIT(net, 1),
-+ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
-+ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
-+ nxi ? dev_in_nx_info(dev, nxi) : 0);
++/* network flags */
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (dev_in_nx_info(dev, nxi))
-+ return 1;
-+ return 0;
-+}
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
+
++#define nx_current_flags() __nx_flags(current_nx_info())
+
-+static inline
-+int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (!ifa)
-+ return 0;
-+ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
-+}
++#define nx_info_flags(n, m, f) \
++ vs_check_flags(__nx_flags(n), m, f)
+
-+static inline
-+int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
-+{
-+ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
-+ nxi, nxi ? nxi->nx_id : 0, ifa,
-+ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
++#define task_nx_flags(t, m, f) \
++ ((t) && nx_info_flags((t)->nx_info, m, f))
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v4_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
+
+
-+struct nx_v4_sock_addr {
-+ __be32 saddr; /* Address used for validation */
-+ __be32 baddr; /* Address used for socket bind */
-+};
++/* network caps */
+
-+static inline
-+int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
-+ struct nx_v4_sock_addr *nsa)
-+{
-+ struct sock *sk = &inet->sk;
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ __be32 saddr = addr->sin_addr.s_addr;
-+ __be32 baddr = saddr;
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
+
-+ vxdprintk(VXD_CBIT(net, 3),
-+ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
-+ sk, sk->sk_nx_info, sk->sk_socket,
-+ (sk->sk_socket ? sk->sk_socket->flags : 0),
-+ NIPQUAD(saddr));
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
+
-+ if (nxi) {
-+ if (saddr == INADDR_ANY) {
-+ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
-+ baddr = nxi->v4.ip[0].s_addr;
-+ } else if (saddr == IPI_LOOPBACK) {
-+ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ baddr = nxi->v4_lback.s_addr;
-+ } else if (!ipv4_is_multicast(saddr) ||
-+ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
-+ /* normal address bind */
-+ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
-+ return -EADDRNOTAVAIL;
-+ }
-+ }
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
+
-+ vxdprintk(VXD_CBIT(net, 3),
-+ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
-+ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
+
-+static inline
-+void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
-+{
-+ inet->inet_saddr = nsa->baddr;
-+ inet->inet_rcv_saddr = nsa->baddr;
-+}
++/* context mask capabilities */
+
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
+
-+/*
-+ * helper to simplify inet_lookup_listener
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ * saddr: socket address
-+ */
-+static inline int v4_inet_addr_match (
-+ struct nx_info *nxi,
-+ __be32 addr,
-+ __be32 saddr)
-+{
-+ if (addr && (saddr == addr))
-+ return 1;
-+ if (!saddr)
-+ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
-+ return 0;
-+}
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
+
-+static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
-+{
-+ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
-+ (addr == nxi->v4_lback.s_addr))
-+ return IPI_LOOPBACK;
-+ return addr;
-+}
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
+
-+static inline
-+int nx_info_has_v4(struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (NX_IPV4(nxi))
-+ return 1;
-+ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ return 1;
-+ return 0;
-+}
+
-+#else /* CONFIG_INET */
++/* context bcap mask */
+
-+static inline
-+int nx_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
++#define __vx_bcaps(v) ((v)->vx_bcaps)
+
-+static inline
-+int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
-+{
-+ return 1;
-+}
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
+
-+static inline
-+int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
-+{
-+ return 1;
-+}
+
-+static inline
-+int nx_info_has_v4(struct nx_info *nxi)
-+{
-+ return 0;
-+}
++/* mask given bcaps */
+
-+#endif /* CONFIG_INET */
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
+
-+#define current_nx_info_has_v4() \
-+ nx_info_has_v4(current_nx_info())
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
+
-+#else
-+// #warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_inet6.h linux-3.9.5-vs2.3.6.5/include/linux/vs_inet6.h
---- linux-3.9.5/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_inet6.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,257 @@
-+#ifndef _VS_INET6_H
-+#define _VS_INET6_H
+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
++/* masked cap_bset */
+
-+#include <net/ipv6.h>
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
+
-+#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
-+#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
+
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
+
-+#ifdef CONFIG_IPV6
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
+
-+static inline
-+int v6_addr_match(struct nx_addr_v6 *nxa,
-+ const struct in6_addr *addr, uint16_t mask)
-+{
-+ int ret = 0;
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
+
-+ switch (nxa->type & mask) {
-+ case NXA_TYPE_MASK:
-+ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
-+ break;
-+ case NXA_TYPE_ADDR:
-+ ret = ipv6_addr_equal(&nxa->ip, addr);
-+ break;
-+ case NXA_TYPE_ANY:
-+ ret = 1;
-+ break;
-+ }
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
-+ nxa, NXAV6(nxa), addr, mask, ret);
-+ return ret;
-+}
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
+
-+static inline
-+int v6_addr_in_nx_info(struct nx_info *nxi,
-+ const struct in6_addr *addr, uint16_t mask)
-+{
-+ struct nx_addr_v6 *nxa;
-+ unsigned long irqflags;
-+ int ret = 1;
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+ if (!nxi)
-+ goto out;
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+ spin_lock_irqsave(&nxi->addr_lock, irqflags);
-+ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
-+ if (v6_addr_match(nxa, addr, mask))
-+ goto out_unlock;
-+ ret = 0;
-+out_unlock:
-+ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
-+out:
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
-+ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
-+ return ret;
-+}
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
-+static inline
-+int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
-+{
-+ /* FIXME: needs full range checks */
-+ return v6_addr_match(nxa, &addr->ip, mask);
-+}
++#define nx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
-+static inline
-+int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
-+{
-+ struct nx_addr_v6 *ptr;
-+ unsigned long irqflags;
-+ int ret = 1;
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
+
-+ spin_lock_irqsave(&nxi->addr_lock, irqflags);
-+ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
-+ if (v6_nx_addr_match(ptr, nxa, mask))
-+ goto out_unlock;
-+ ret = 0;
-+out_unlock:
-+ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
-+ return ret;
-+}
++#define vx_current_initpid(n) vx_task_initpid(current, n)
+
+
-+/*
-+ * Check if a given address matches for a socket
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ */
-+static inline
-+int v6_sock_addr_match (
-+ struct nx_info *nxi,
-+ struct inet_sock *inet,
-+ struct in6_addr *addr)
-+{
-+ struct sock *sk = &inet->sk;
-+ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++/* context unshare mask */
+
-+ if (!ipv6_addr_any(addr) &&
-+ ipv6_addr_equal(saddr, addr))
-+ return 1;
-+ if (ipv6_addr_any(saddr))
-+ return v6_addr_in_nx_info(nxi, addr, -1);
-+ return 0;
-+}
++#define __vx_umask(v) ((v)->vx_umask)
+
-+/*
-+ * check if address is covered by socket
-+ *
-+ * sk: the socket to check against
-+ * addr: the address in question (must be != 0)
-+ */
++#define vx_current_umask() __vx_umask(current_vx_info())
+
-+static inline
-+int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
-+{
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+ vxdprintk(VXD_CBIT(net, 5),
-+ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
-+ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
-+ (sk->sk_socket?sk->sk_socket->flags:0));
++#define vx_ns_can_unshare(n, b, f) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+ if (!ipv6_addr_any(saddr)) { /* direct address match */
-+ return v6_addr_match(nxa, saddr, -1);
-+ } else if (nxi) { /* match against nx_info */
-+ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
-+ } else { /* unrestricted any socket */
-+ return 1;
-+ }
-+}
++#define __vx_wmask(v) ((v)->vx_wmask)
+
++#define vx_current_wmask() __vx_wmask(current_vx_info())
+
-+/* inet related checks and helpers */
+
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
++#define vx_info_state(v, m) (__vx_state(v) & (m))
+
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_timewait_sock.h>
++#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
+
++#define nx_info_state(n, m) (__nx_state(n) & (m))
+
-+int dev_in_nx_info(struct net_device *, struct nx_info *);
-+int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
-+int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cacct_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_cmd.h
+--- linux-4.9.217/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_CACCT_CMD_H
++#define _VSERVER_CACCT_CMD_H
+
+
++#include <linux/compiler.h>
++#include <uapi/vserver/cacct_cmd.h>
+
-+static inline
-+int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (!ifa)
-+ return 0;
-+ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
-+}
++extern int vc_sock_stat(struct vx_info *, void __user *);
+
-+static inline
-+int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
-+{
-+ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
-+ nxi, nxi ? nxi->nx_id : 0, ifa,
-+ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
++#endif /* _VSERVER_CACCT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cacct_def.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_def.h
+--- linux-4.9.217/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_def.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VSERVER_CACCT_DEF_H
++#define _VSERVER_CACCT_DEF_H
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v6_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
+
+
-+struct nx_v6_sock_addr {
-+ struct in6_addr saddr; /* Address used for validation */
-+ struct in6_addr baddr; /* Address used for socket bind */
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
+};
+
-+static inline
-+int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
-+ struct nx_v6_sock_addr *nsa)
-+{
-+ // struct sock *sk = &inet->sk;
-+ // struct nx_info *nxi = sk->sk_nx_info;
-+ struct in6_addr saddr = addr->sin6_addr;
-+ struct in6_addr baddr = saddr;
++/* context sub struct */
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
+
-+static inline
-+void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
+{
-+ // struct sock *sk = &inet->sk;
-+ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
++ int i, j;
+
-+ // *saddr = nsa->baddr;
-+ // inet->inet_saddr = nsa->baddr;
-+}
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
+
-+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (NX_IPV6(nxi))
-+ return 1;
-+ return 0;
++ printk("\t [%d] =", i);
++ for (j = 0; j < 3; j++) {
++ printk(" [%d] = %8lu, %8lu", j,
++ atomic_long_read(&ptr[j].count),
++ atomic_long_read(&ptr[j].total));
++ }
++ printk("\n");
++ }
+}
+
-+#else /* CONFIG_IPV6 */
++#endif
+
-+static inline
-+int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
++#endif /* _VSERVER_CACCT_DEF_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cacct.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct.h
+--- linux-4.9.217/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VSERVER_CACCT_H
++#define _VSERVER_CACCT_H
+
+
-+static inline
-+int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
-+{
-+ return 1;
-+}
++enum sock_acc_field {
++ VXA_SOCK_UNSPEC = 0,
++ VXA_SOCK_UNIX,
++ VXA_SOCK_INET,
++ VXA_SOCK_INET6,
++ VXA_SOCK_PACKET,
++ VXA_SOCK_OTHER,
++ VXA_SOCK_SIZE /* array size */
++};
++
++#endif /* _VSERVER_CACCT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cacct_int.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_int.h
+--- linux-4.9.217/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cacct_int.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_CACCT_INT_H
++#define _VSERVER_CACCT_INT_H
+
+static inline
-+int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
+{
-+ return 1;
++ return atomic_long_read(&cacct->sock[type][pos].count);
+}
+
++
+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
+{
-+ return 0;
++ return atomic_long_read(&cacct->sock[type][pos].total);
+}
+
-+#endif /* CONFIG_IPV6 */
++#endif /* _VSERVER_CACCT_INT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/check.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/check.h
+--- linux-4.9.217/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/check.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VSERVER_CHECK_H
++#define _VSERVER_CHECK_H
+
-+#define current_nx_info_has_v6() \
-+ nx_info_has_v6(current_nx_info())
+
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
+#else
-+#warning duplicate inclusion
++#define MIN_D_CONTEXT 65536
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_limit.h linux-3.9.5-vs2.3.6.5/include/linux/vs_limit.h
---- linux-3.9.5/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_limit.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,140 @@
-+#ifndef _VS_LIMIT_H
-+#define _VS_LIMIT_H
+
-+#include "vserver/limit.h"
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/debug.h"
-+#include "vserver/context.h"
-+#include "vserver/limit_int.h"
++/* check conditions */
+
++#define VS_ADMIN 0x0001
++#define VS_WATCH 0x0002
++#define VS_HIDE 0x0004
++#define VS_HOSTID 0x0008
+
-+#define vx_acc_cres(v, d, p, r) \
-+ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++#define VS_IDENT 0x0010
++#define VS_EQUIV 0x0020
++#define VS_PARENT 0x0040
++#define VS_CHILD 0x0080
+
-+#define vx_acc_cres_cond(x, d, p, r) \
-+ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
-+ r, d, p, __FILE__, __LINE__)
++#define VS_ARG_MASK 0x00F0
+
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
+
-+#define vx_add_cres(v, a, p, r) \
-+ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
-+#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
++#define VS_ATR_MASK 0x0F00
+
-+#define vx_add_cres_cond(x, a, p, r) \
-+ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
-+ r, a, p, __FILE__, __LINE__)
-+#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
++#ifdef CONFIG_VSERVER_PRIVACY
++#define VS_ADMIN_P (0)
++#define VS_WATCH_P (0)
++#else
++#define VS_ADMIN_P VS_ADMIN
++#define VS_WATCH_P VS_WATCH
++#endif
+
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
+
-+/* process and file limits */
++#define VS_IRQ_MASK 0xF000
+
-+#define vx_nproc_inc(p) \
-+ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
++#include <linux/hardirq.h>
+
-+#define vx_nproc_dec(p) \
-+ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __vs_check(int cid, int id, unsigned int mode)
++{
++ if (mode & VS_ARG_MASK) {
++ if ((mode & VS_IDENT) && (id == cid))
++ return 1;
++ }
++ if (mode & VS_ATR_MASK) {
++ if ((mode & VS_DYNAMIC) &&
++ (id >= MIN_D_CONTEXT) &&
++ (id <= MAX_S_CONTEXT))
++ return 1;
++ if ((mode & VS_STATIC) &&
++ (id > 1) && (id < MIN_D_CONTEXT))
++ return 1;
++ }
++ if (mode & VS_IRQ_MASK) {
++ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
++ return 1;
++ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
++ return 1;
++ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
++ return 1;
++ }
++ return (((mode & VS_ADMIN) && (cid == 0)) ||
++ ((mode & VS_WATCH) && (cid == 1)) ||
++ ((mode & VS_HOSTID) && (id == 0)));
++}
+
-+#define vx_files_inc(f) \
-+ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
+
-+#define vx_files_dec(f) \
-+ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
+
-+#define vx_locks_inc(l) \
-+ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
+
-+#define vx_locks_dec(l) \
-+ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
+
-+#define vx_openfd_inc(f) \
-+ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
++#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
+
-+#define vx_openfd_dec(f) \
-+ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/context_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/context_cmd.h
+--- linux-4.9.217/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/context_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,33 @@
++#ifndef _VSERVER_CONTEXT_CMD_H
++#define _VSERVER_CONTEXT_CMD_H
+
++#include <uapi/vserver/context_cmd.h>
+
-+#define vx_cres_avail(v, n, r) \
-+ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++extern int vc_task_xid(uint32_t);
+
++extern int vc_vx_info(struct vx_info *, void __user *);
+
-+#define vx_nproc_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
++extern int vc_ctx_stat(struct vx_info *, void __user *);
+
-+#define vx_files_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
+
-+#define vx_locks_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
+
-+#define vx_openfd_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
+
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
+
-+/* dentry limits */
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
+
-+#define vx_dentry_inc(d) do { \
-+ if ((d)->d_count == 1) \
-+ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
-+ } while (0)
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
+
-+#define vx_dentry_dec(d) do { \
-+ if ((d)->d_count == 0) \
-+ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
-+ } while (0)
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
+
-+#define vx_dentry_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/context.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/context.h
+--- linux-4.9.217/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/context.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,110 @@
++#ifndef _VSERVER_CONTEXT_H
++#define _VSERVER_CONTEXT_H
+
+
-+/* socket limits */
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <uapi/vserver/context.h>
+
-+#define vx_sock_inc(s) \
-+ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
+
-+#define vx_sock_dec(s) \
-+ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
++#define VX_SPACES 2
+
-+#define vx_sock_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
++};
+
++struct _vx_space {
++ unsigned long vx_nsmask; /* assignment mask */
++ struct nsproxy *vx_nsproxy; /* private namespaces */
++ struct fs_struct *vx_fs; /* private namespace fs */
++ const struct cred *vx_cred; /* task credentials */
++};
+
-+/* ipc resource limits */
++struct vx_info {
++ struct hlist_node vx_hlist; /* linked list of contexts */
++ vxid_t vx_id; /* context id */
++ atomic_t vx_usecnt; /* usage count */
++ atomic_t vx_tasks; /* tasks count */
++ struct vx_info *vx_parent; /* parent context */
++ int vx_state; /* context state */
+
-+#define vx_ipcmsg_add(v, u, a) \
-+ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
++ struct _vx_space space[VX_SPACES]; /* namespace store */
+
-+#define vx_ipcmsg_sub(v, u, a) \
-+ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++ uint64_t vx_flags; /* context flags */
++ uint64_t vx_ccaps; /* context caps (vserver) */
++ uint64_t vx_umask; /* unshare mask (guest) */
++ uint64_t vx_wmask; /* warn mask (guest) */
++ kernel_cap_t vx_bcaps; /* bounding caps (system) */
+
-+#define vx_ipcmsg_avail(v, a) \
-+ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
+
++ struct _vx_limit limit; /* vserver limits */
++ struct _vx_sched sched; /* vserver scheduler */
++ struct _vx_cvirt cvirt; /* virtual/bias stuff */
++ struct _vx_cacct cacct; /* context accounting */
+
-+#define vx_ipcshm_add(v, k, a) \
-+ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++ struct _vx_device dmap; /* default device map targets */
+
-+#define vx_ipcshm_sub(v, k, a) \
-+ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
+
-+#define vx_ipcshm_avail(v, a) \
-+ vx_cres_avail(v, a, VLIMIT_SHMEM)
++ wait_queue_head_t vx_wait; /* context exit waitqueue */
++ int reboot_cmd; /* last sys_reboot() cmd */
++ int exit_code; /* last process exit code */
+
++ char vx_name[65]; /* vserver name */
++};
+
-+#define vx_semary_inc(a) \
-+ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
++#ifndef CONFIG_SMP
++#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
++#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
++#else
++#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
++#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
++#endif
+
-+#define vx_semary_dec(a) \
-+ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
+
+
-+#define vx_nsems_add(a,n) \
-+ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++struct vx_info_save {
++ struct vx_info *vxi;
++ vxid_t xid;
++};
+
-+#define vx_nsems_sub(a,n) \
-+ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
++/* status flags */
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_network.h linux-3.9.5-vs2.3.6.5/include/linux/vs_network.h
---- linux-3.9.5/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_network.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,169 @@
-+#ifndef _NX_VS_NETWORK_H
-+#define _NX_VS_NETWORK_H
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
+
-+#include "vserver/context.h"
-+#include "vserver/network.h"
-+#include "vserver/base.h"
-+#include "vserver/check.h"
-+#include "vserver/debug.h"
+
-+#include <linux/sched.h>
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
+
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
+
-+#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(vxid_t);
+
-+static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ if (!nxi)
-+ return NULL;
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
+
-+ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++extern long vs_state_change(struct vx_info *, unsigned int);
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ return nxi;
-+}
+
++#endif /* _VSERVER_CONTEXT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cvirt_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt_cmd.h
+--- linux-4.9.217/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_CVIRT_CMD_H
++#define _VSERVER_CVIRT_CMD_H
+
-+extern void free_nx_info(struct nx_info *);
+
-+#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
++#include <linux/compiler.h>
++#include <uapi/vserver/cvirt_cmd.h>
+
-+static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
-+{
-+ if (!nxi)
-+ return;
++extern int vc_set_vhi_name(struct vx_info *, void __user *);
++extern int vc_get_vhi_name(struct vx_info *, void __user *);
+
-+ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++extern int vc_virt_stat(struct vx_info *, void __user *);
+
-+ if (atomic_dec_and_test(&nxi->nx_usecnt))
-+ free_nx_info(nxi);
-+}
++#endif /* _VSERVER_CVIRT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cvirt_def.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt_def.h
+--- linux-4.9.217/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt_def.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VSERVER_CVIRT_DEF_H
++#define _VSERVER_CVIRT_DEF_H
+
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
+
-+#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
+
-+static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ if (nxi) {
-+ vxlprintk(VXD_CBIT(nid, 3),
-+ "init_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++struct _vx_usage_stat {
++ uint64_t user;
++ uint64_t nice;
++ uint64_t system;
++ uint64_t softirq;
++ uint64_t irq;
++ uint64_t idle;
++ uint64_t iowait;
++};
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ }
-+ *nxp = nxi;
-+}
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
+
++ unsigned long log_start; /* next char to be read by syslog() */
++ unsigned long con_start; /* next char to be sent to consoles */
++ unsigned long log_end; /* most-recently-written-char + 1 */
++ unsigned long logged_chars; /* #chars since last read+clear operation */
+
-+#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
++ char log_buf[1024];
++};
+
-+static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxo;
+
-+ if (!nxi)
-+ return;
++/* context sub struct */
+
-+ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++struct _vx_cvirt {
++ atomic_t nr_threads; /* number of current threads */
++ atomic_t nr_running; /* number of running threads */
++ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ nxo = xchg(nxp, nxi);
-+ BUG_ON(nxo);
-+}
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
+
-+#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
++ struct timespec64 bias_ts; /* time offset to the host */
++ struct timespec64 bias_idle;
++ struct timespec64 bias_uptime; /* context creation point */
++ uint64_t bias_clock; /* offset in clock_t */
+
-+static inline void __clr_nx_info(struct nx_info **nxp,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxo;
++ spinlock_t load_lock; /* lock for the load averages */
++ atomic_t load_updates; /* nr of load updates done so far */
++ uint32_t load_last; /* last time load was calculated */
++ uint32_t load[3]; /* load averages 1,5,15 */
+
-+ nxo = xchg(nxp, NULL);
-+ if (!nxo)
-+ return;
++ atomic_t total_forks; /* number of forks so far */
+
-+ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
-+ nxo, nxo ? nxo->nx_id : 0,
-+ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
-+ _file, _line);
++ struct _vx_syslog syslog;
++};
+
-+ if (atomic_dec_and_test(&nxo->nx_usecnt))
-+ free_nx_info(nxo);
-+}
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
++};
+
+
-+#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
++#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline void __claim_nx_info(struct nx_info *nxi,
-+ struct task_struct *task, const char *_file, int _line)
++static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
+{
-+ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi?atomic_read(&nxi->nx_usecnt):0,
-+ nxi?atomic_read(&nxi->nx_tasks):0,
-+ task, _file, _line);
-+
-+ atomic_inc(&nxi->nx_tasks);
++ printk("\t_vx_cvirt:\n");
++ printk("\t threads: %4d, %4d, %4d, %4d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold));
++ /* add rest here */
++ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
+}
+
++#endif
+
-+extern void unhash_nx_info(struct nx_info *);
++#endif /* _VSERVER_CVIRT_DEF_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/cvirt.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt.h
+--- linux-4.9.217/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/cvirt.h 2019-10-13 16:04:08.203030205 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_CVIRT_H
++#define _VSERVER_CVIRT_H
+
-+#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
++struct vx_info;
+
-+static inline void __release_nx_info(struct nx_info *nxi,
-+ struct task_struct *task, const char *_file, int _line)
-+{
-+ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ nxi ? atomic_read(&nxi->nx_tasks) : 0,
-+ task, _file, _line);
++void vx_update_load(struct vx_info *);
+
-+ might_sleep();
+
-+ if (atomic_dec_and_test(&nxi->nx_tasks))
-+ unhash_nx_info(nxi);
-+}
++int vx_do_syslog(int, char __user *, int);
+
++#endif /* _VSERVER_CVIRT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/debug_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/debug_cmd.h
+--- linux-4.9.217/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/debug_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_DEBUG_CMD_H
++#define _VSERVER_DEBUG_CMD_H
+
-+#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
++#include <uapi/vserver/debug_cmd.h>
+
-+static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxi;
+
-+ task_lock(p);
-+ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
-+ p, _file, _line);
-+ nxi = __get_nx_info(p->nx_info, _file, _line);
-+ task_unlock(p);
-+ return nxi;
-+}
++#ifdef CONFIG_COMPAT
+
++#include <asm/compat.h>
+
-+static inline void exit_nx_info(struct task_struct *p)
-+{
-+ if (p->nx_info)
-+ release_nx_info(p->nx_info, p);
-+}
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
+
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_pid.h linux-3.9.5-vs2.3.6.5/include/linux/vs_pid.h
---- linux-3.9.5/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_pid.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,50 @@
-+#ifndef _VS_PID_H
-+#define _VS_PID_H
++#endif /* CONFIG_COMPAT */
+
-+#include "vserver/base.h"
-+#include "vserver/check.h"
-+#include "vserver/context.h"
-+#include "vserver/debug.h"
-+#include "vserver/pid.h"
-+#include <linux/pid_namespace.h>
++extern int vc_dump_history(uint32_t);
+
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
+
-+#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
++#ifdef CONFIG_COMPAT
+
-+static inline
-+int vx_proc_task_visible(struct task_struct *task)
-+{
-+ if ((task->pid == 1) &&
-+ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
-+ /* show a blend through init */
-+ goto visible;
-+ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
-+ goto visible;
-+ return 0;
-+visible:
-+ return 1;
-+}
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
+
-+#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++#endif /* CONFIG_COMPAT */
+
++#endif /* _VSERVER_DEBUG_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/debug.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/debug.h
+--- linux-4.9.217/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/debug.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,146 @@
++#ifndef _VSERVER_DEBUG_H
++#define _VSERVER_DEBUG_H
+
-+static inline
-+struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
-+{
-+ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
+
-+ if (task && !vx_proc_task_visible(task)) {
-+ vxdprintk(VXD_CBIT(misc, 6),
-+ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
-+ task, task->xid, task->pid,
-+ current, current->xid, current->pid);
-+ put_task_struct(task);
-+ task = NULL;
-+ }
-+ return task;
-+}
++#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
++#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
++#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
+
++#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
++ imajor((d)->bd_inode), iminor((d)->bd_inode)
++#define VXF_DEV "%p[%lu,%d:%d]"
+
++#if defined(CONFIG_QUOTES_UTF8)
++#define VS_Q_LQM "\xc2\xbb"
++#define VS_Q_RQM "\xc2\xab"
++#elif defined(CONFIG_QUOTES_ASCII)
++#define VS_Q_LQM "\x27"
++#define VS_Q_RQM "\x27"
+#else
-+#warning duplicate inclusion
++#define VS_Q_LQM "\xbb"
++#define VS_Q_RQM "\xab"
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_sched.h linux-3.9.5-vs2.3.6.5/include/linux/vs_sched.h
---- linux-3.9.5/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_sched.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,40 @@
-+#ifndef _VS_SCHED_H
-+#define _VS_SCHED_H
+
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/sched.h"
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
+
+
-+#define MAX_PRIO_BIAS 20
-+#define MIN_PRIO_BIAS -20
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
+
-+static inline
-+int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
-+{
-+ struct vx_info *vxi = p->vx_info;
-+
-+ if (vxi)
-+ prio += vx_cpu(vxi, sched_pc).prio_bias;
-+ return prio;
-+}
-+
-+static inline void vx_account_user(struct vx_info *vxi,
-+ cputime_t cputime, int nice)
-+{
-+ if (!vxi)
-+ return;
-+ vx_cpu(vxi, sched_pc).user_ticks += cputime;
-+}
-+
-+static inline void vx_account_system(struct vx_info *vxi,
-+ cputime_t cputime, int idle)
-+{
-+ if (!vxi)
-+ return;
-+ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
-+}
-+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_socket.h linux-3.9.5-vs2.3.6.5/include/linux/vs_socket.h
---- linux-3.9.5/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_socket.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,67 @@
-+#ifndef _VS_SOCKET_H
-+#define _VS_SOCKET_H
-+
-+#include "vserver/debug.h"
-+#include "vserver/base.h"
-+#include "vserver/cacct.h"
-+#include "vserver/context.h"
-+#include "vserver/tag.h"
-+
-+
-+/* socket accounting */
-+
-+#include <linux/socket.h>
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
+
-+static inline int vx_sock_type(int family)
-+{
-+ switch (family) {
-+ case PF_UNSPEC:
-+ return VXA_SOCK_UNSPEC;
-+ case PF_UNIX:
-+ return VXA_SOCK_UNIX;
-+ case PF_INET:
-+ return VXA_SOCK_INET;
-+ case PF_INET6:
-+ return VXA_SOCK_INET6;
-+ case PF_PACKET:
-+ return VXA_SOCK_PACKET;
-+ default:
-+ return VXA_SOCK_OTHER;
-+ }
-+}
+
-+#define vx_acc_sock(v, f, p, s) \
-+ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline void __vx_acc_sock(struct vx_info *vxi,
-+ int family, int pos, int size, char *file, int line)
-+{
-+ if (vxi) {
-+ int type = vx_sock_type(family);
++extern unsigned int vs_debug_switch;
++extern unsigned int vs_debug_xid;
++extern unsigned int vs_debug_nid;
++extern unsigned int vs_debug_tag;
++extern unsigned int vs_debug_net;
++extern unsigned int vs_debug_limit;
++extern unsigned int vs_debug_cres;
++extern unsigned int vs_debug_dlim;
++extern unsigned int vs_debug_quota;
++extern unsigned int vs_debug_cvirt;
++extern unsigned int vs_debug_space;
++extern unsigned int vs_debug_perm;
++extern unsigned int vs_debug_misc;
+
-+ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
-+ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
-+ }
-+}
+
-+#define vx_sock_recv(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
-+#define vx_sock_send(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
-+#define vx_sock_fail(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
+
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
+
-+#define sock_vx_init(s) do { \
-+ (s)->sk_xid = 0; \
-+ (s)->sk_vx_info = NULL; \
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
+ } while (0)
+
-+#define sock_nx_init(s) do { \
-+ (s)->sk_nid = 0; \
-+ (s)->sk_nx_info = NULL; \
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
+ } while (0)
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_tag.h linux-3.9.5-vs2.3.6.5/include/linux/vs_tag.h
---- linux-3.9.5/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_tag.h 2013-06-12 23:49:08.000000000 +0000
-@@ -0,0 +1,47 @@
-+#ifndef _VS_TAG_H
-+#define _VS_TAG_H
+
-+#include <linux/vserver/tag.h>
++struct vx_info;
+
-+/* check conditions */
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
+
-+#define DX_ADMIN 0x0001
-+#define DX_WATCH 0x0002
-+#define DX_HOSTID 0x0008
++#else /* CONFIG_VSERVER_DEBUG */
+
-+#define DX_IDENT 0x0010
++#define vs_debug_switch 0
++#define vs_debug_xid 0
++#define vs_debug_nid 0
++#define vs_debug_tag 0
++#define vs_debug_net 0
++#define vs_debug_limit 0
++#define vs_debug_cres 0
++#define vs_debug_dlim 0
++#define vs_debug_quota 0
++#define vs_debug_cvirt 0
++#define vs_debug_space 0
++#define vs_debug_perm 0
++#define vs_debug_misc 0
+
-+#define DX_ARG_MASK 0x0010
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
+
++#endif /* CONFIG_VSERVER_DEBUG */
+
-+#define dx_task_tag(t) ((t)->tag)
+
-+#define dx_current_tag() dx_task_tag(current)
++#ifdef CONFIG_VSERVER_WARN
+
-+#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++#define VX_WARNLEVEL KERN_WARNING "vxW: "
++#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
++#define VX_WARN_XID "[xid #%u] "
++#define VX_WARN_NID "[nid #%u] "
++#define VX_WARN_TAG "[tag #%u] "
+
-+#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
+
++#else /* CONFIG_VSERVER_WARN */
+
-+/*
-+ * check current context for ADMIN/WATCH and
-+ * optionally against supplied argument
-+ */
-+static inline int __dx_check(vtag_t cid, vtag_t id, unsigned int mode)
-+{
-+ if (mode & DX_ARG_MASK) {
-+ if ((mode & DX_IDENT) && (id == cid))
-+ return 1;
-+ }
-+ return (((mode & DX_ADMIN) && (cid == 0)) ||
-+ ((mode & DX_WATCH) && (cid == 1)) ||
-+ ((mode & DX_HOSTID) && (id == 0)));
-+}
++#define vxwprintk(x...) do { } while (0)
+
-+struct inode;
-+int dx_permission(const struct inode *inode, int mask);
++#endif /* CONFIG_VSERVER_WARN */
+
++#define vxwprintk_task(c, f, x...) \
++ vxwprintk(c, VX_WARN_TASK f, \
++ current->comm, current->pid, \
++ current->xid, current->nid, \
++ current->tag, ##x)
++#define vxwprintk_xid(c, f, x...) \
++ vxwprintk(c, VX_WARN_XID f, current->xid, x)
++#define vxwprintk_nid(c, f, x...) \
++ vxwprintk(c, VX_WARN_NID f, current->nid, x)
++#define vxwprintk_tag(c, f, x...) \
++ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
+
++#ifdef CONFIG_VSERVER_DEBUG
++#define vxd_assert_lock(l) assert_spin_locked(l)
++#define vxd_assert(c, f, x...) vxlprintk(!(c), \
++ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
+#else
-+#warning duplicate inclusion
++#define vxd_assert_lock(l) do { } while (0)
++#define vxd_assert(c, f, x...) do { } while (0)
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vs_time.h linux-3.9.5-vs2.3.6.5/include/linux/vs_time.h
---- linux-3.9.5/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vs_time.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,19 @@
-+#ifndef _VS_TIME_H
-+#define _VS_TIME_H
-+
-+
-+/* time faking stuff */
+
-+#ifdef CONFIG_VSERVER_VTIME
-+
-+extern void vx_adjust_timespec(struct timespec *ts);
-+extern int vx_settimeofday(const struct timespec *ts);
+
-+#else
-+#define vx_adjust_timespec(t) do { } while (0)
-+#define vx_settimeofday(t) do_settimeofday(t)
-+#endif
++#endif /* _VSERVER_DEBUG_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/device_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/device_cmd.h
+--- linux-4.9.217/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/device_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _VSERVER_DEVICE_CMD_H
++#define _VSERVER_DEVICE_CMD_H
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/base.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/base.h
---- linux-3.9.5/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/base.h 2013-05-31 17:55:09.000000000 +0000
-@@ -0,0 +1,181 @@
-+#ifndef _VSERVER_BASE_H
-+#define _VSERVER_BASE_H
++#include <uapi/vserver/device_cmd.h>
+
+
-+/* context state changes */
++#ifdef CONFIG_COMPAT
+
-+enum {
-+ VSC_STARTUP = 1,
-+ VSC_SHUTDOWN,
++#include <asm/compat.h>
+
-+ VSC_NETUP,
-+ VSC_NETDOWN,
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
++ uint32_t flags;
+};
+
++#endif /* CONFIG_COMPAT */
+
++#include <linux/compiler.h>
+
-+#define vx_task_xid(t) ((t)->xid)
-+
-+#define vx_current_xid() vx_task_xid(current)
-+
-+#define current_vx_info() (current->vx_info)
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
+
++#ifdef CONFIG_COMPAT
+
-+#define nx_task_nid(t) ((t)->nid)
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
+
-+#define nx_current_nid() nx_task_nid(current)
++#endif /* CONFIG_COMPAT */
+
-+#define current_nx_info() (current->nx_info)
++#endif /* _VSERVER_DEVICE_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/device_def.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/device_def.h
+--- linux-4.9.217/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/device_def.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_DEVICE_DEF_H
++#define _VSERVER_DEVICE_DEF_H
+
++#include <linux/types.h>
+
-+/* generic flag merging */
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
+
-+#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
++#endif
++};
+
-+#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++#endif /* _VSERVER_DEVICE_DEF_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/device.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/device.h
+--- linux-4.9.217/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/device.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,9 @@
++#ifndef _VSERVER_DEVICE_H
++#define _VSERVER_DEVICE_H
+
-+#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
+
-+#define vs_check_bit(v, n) ((v) & (1LL << (n)))
++#include <uapi/vserver/device.h>
+
++#else /* _VSERVER_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DEVICE_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/dlimit_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/dlimit_cmd.h
+--- linux-4.9.217/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/dlimit_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,46 @@
++#ifndef _VSERVER_DLIMIT_CMD_H
++#define _VSERVER_DLIMIT_CMD_H
+
-+/* context flags */
++#include <uapi/vserver/dlimit_cmd.h>
+
-+#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
+
-+#define vx_current_flags() __vx_flags(current_vx_info())
++#ifdef CONFIG_COMPAT
+
-+#define vx_info_flags(v, m, f) \
-+ vs_check_flags(__vx_flags(v), m, f)
++#include <asm/compat.h>
+
-+#define task_vx_flags(t, m, f) \
-+ ((t) && vx_info_flags((t)->vx_info, m, f))
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
+
-+#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
++struct vcmd_ctx_dlimit_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
+
++#endif /* CONFIG_COMPAT */
+
-+/* context caps */
++#include <linux/compiler.h>
+
-+#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
+
-+#define vx_current_ccaps() __vx_ccaps(current_vx_info())
++extern int vc_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
+
-+#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++#ifdef CONFIG_COMPAT
+
-+#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
+
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
+
++#endif /* CONFIG_COMPAT */
+
-+/* network flags */
++#endif /* _VSERVER_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/dlimit.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/dlimit.h
+--- linux-4.9.217/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/dlimit.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VSERVER_DLIMIT_H
++#define _VSERVER_DLIMIT_H
+
-+#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
++#include "switch.h"
+
-+#define nx_current_flags() __nx_flags(current_nx_info())
+
-+#define nx_info_flags(n, m, f) \
-+ vs_check_flags(__nx_flags(n), m, f)
++#ifdef __KERNEL__
+
-+#define task_nx_flags(t, m, f) \
-+ ((t) && nx_info_flags((t)->nx_info, m, f))
++/* keep in sync with CDLIM_INFINITY */
+
-+#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
++#define DLIM_INFINITY (~0ULL)
+
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
+
-+/* network caps */
++struct super_block;
+
-+#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
++struct dl_info {
++ struct hlist_node dl_hlist; /* linked list of contexts */
++ struct rcu_head dl_rcu; /* the rcu head */
++ vtag_t dl_tag; /* context tag */
++ atomic_t dl_usecnt; /* usage count */
++ atomic_t dl_refcnt; /* reference count */
+
-+#define nx_current_ncaps() __nx_ncaps(current_nx_info())
++ struct super_block *dl_sb; /* associated superblock */
+
-+#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
++ spinlock_t dl_lock; /* protect the values */
+
-+#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
++ unsigned long long dl_space_used; /* used space in bytes */
++ unsigned long long dl_space_total; /* maximum space in bytes */
++ unsigned long dl_inodes_used; /* used inodes */
++ unsigned long dl_inodes_total; /* maximum inodes */
+
++ unsigned int dl_nrlmult; /* non root limit mult */
++};
+
-+/* context mask capabilities */
++struct rcu_head;
+
-+#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
+
-+#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++extern struct dl_info *locate_dl_info(struct super_block *, vtag_t);
+
-+#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
+
++struct kstatfs;
+
-+/* context bcap mask */
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
-+#define __vx_bcaps(v) ((v)->vx_bcaps)
++typedef uint64_t dlsize_t;
+
-+#define vx_current_bcaps() __vx_bcaps(current_vx_info())
++#endif /* __KERNEL__ */
++#else /* _VSERVER_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DLIMIT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/global.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/global.h
+--- linux-4.9.217/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/global.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,20 @@
++#ifndef _VSERVER_GLOBAL_H
++#define _VSERVER_GLOBAL_H
+
+
-+/* mask given bcaps */
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
+
-+#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
+
-+#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
++extern atomic_t vs_global_nsproxy;
++extern atomic_t vs_global_fs;
++extern atomic_t vs_global_mnt_ns;
++extern atomic_t vs_global_uts_ns;
++extern atomic_t vs_global_ipc_ns;
++extern atomic_t vs_global_user_ns;
++extern atomic_t vs_global_pid_ns;
+
+
-+/* masked cap_bset */
++#endif /* _VSERVER_GLOBAL_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/history.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/history.h
+--- linux-4.9.217/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/history.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VSERVER_HISTORY_H
++#define _VSERVER_HISTORY_H
+
-+#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
+
-+#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
+
-+#if 0
-+#define vx_info_mbcap(v, b) \
-+ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
-+ vx_info_bcaps(v, b) : (b))
++ VXH_GET_VX_INFO,
++ VXH_PUT_VX_INFO,
++ VXH_INIT_VX_INFO,
++ VXH_SET_VX_INFO,
++ VXH_CLR_VX_INFO,
++ VXH_CLAIM_VX_INFO,
++ VXH_RELEASE_VX_INFO,
++ VXH_ALLOC_VX_INFO,
++ VXH_DEALLOC_VX_INFO,
++ VXH_HASH_VX_INFO,
++ VXH_UNHASH_VX_INFO,
++ VXH_LOC_VX_INFO,
++ VXH_LOOKUP_VX_INFO,
++ VXH_CREATE_VX_INFO,
++};
+
-+#define task_vx_mbcap(t, b) \
-+ vx_info_mbcap((t)->vx_info, (t)->b)
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
++};
+
-+#define vx_mbcap(b) task_vx_mbcap(current, b)
-+#endif
++struct _vxhe_set_clr {
++ void *data;
++};
+
-+#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
++struct _vxhe_loc_lookup {
++ unsigned arg;
++};
+
-+#define vx_capable(b, c) (capable(b) || \
-+ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
++ union {
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
++ };
++};
+
-+#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
-+ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++#ifdef CONFIG_VSERVER_HISTORY
+
-+#define nx_capable(b, c) (capable(b) || \
-+ (cap_raised(current_cap(), b) && nx_ncaps(c)))
++extern unsigned volatile int vxh_active;
+
-+#define vx_task_initpid(t, n) \
-+ ((t)->vx_info && \
-+ ((t)->vx_info->vx_initpid == (n)))
++struct _vx_hist_entry *vxh_advance(void *loc);
+
-+#define vx_current_initpid(n) vx_task_initpid(current, n)
+
++static inline
++void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++{
++ entry->vxi.ptr = vxi;
++ if (vxi) {
++ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
++ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
++ entry->vxi.xid = vxi->vx_id;
++ }
++}
+
-+/* context unshare mask */
+
-+#define __vx_umask(v) ((v)->vx_umask)
++#define __HERE__ current_text_addr()
+
-+#define vx_current_umask() __vx_umask(current_vx_info())
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
+
-+#define vx_can_unshare(b, f) (capable(b) || \
-+ (cap_raised(current_cap(), b) && \
-+ !((f) & ~vx_current_umask())))
+
-+#define vx_ns_can_unshare(n, b, f) (ns_capable(n, b) || \
-+ (cap_raised(current_cap(), b) && \
-+ !((f) & ~vx_current_umask())))
++ /* pass vxi only */
+
-+#define __vx_wmask(v) ((v)->vx_wmask)
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
+
-+#define vx_current_wmask() __vx_wmask(current_vx_info())
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_SMPL, __here)
++}
+
++ /* pass vxi and data (void *) */
+
-+#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
+
-+#define vx_info_state(v, m) (__vx_state(v) & (m))
++static inline
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_DATA, __here)
++}
+
++ /* pass vxi and arg (long) */
+
-+#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
-+
-+#define nx_info_state(n, m) (__nx_state(n) & (m))
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
+
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cacct.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct.h
---- linux-3.9.5/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,15 @@
-+#ifndef _VSERVER_CACCT_H
-+#define _VSERVER_CACCT_H
++static inline
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_LONG, __here)
++}
+
+
-+enum sock_acc_field {
-+ VXA_SOCK_UNSPEC = 0,
-+ VXA_SOCK_UNIX,
-+ VXA_SOCK_INET,
-+ VXA_SOCK_INET6,
-+ VXA_SOCK_PACKET,
-+ VXA_SOCK_OTHER,
-+ VXA_SOCK_SIZE /* array size */
-+};
++static inline
++void __vxh_throw_oops(void *__here)
++{
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
++}
+
-+#endif /* _VSERVER_CACCT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cacct_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_cmd.h
---- linux-3.9.5/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,10 @@
-+#ifndef _VSERVER_CACCT_CMD_H
-+#define _VSERVER_CACCT_CMD_H
+
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
+
-+#include <linux/compiler.h>
-+#include <uapi/vserver/cacct_cmd.h>
++#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
++#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
+
-+extern int vc_sock_stat(struct vx_info *, void __user *);
++#define __vxh_init_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
++#define __vxh_set_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_SET_VX_INFO, h);
++#define __vxh_clr_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
+
-+#endif /* _VSERVER_CACCT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cacct_def.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_def.h
---- linux-3.9.5/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_def.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,43 @@
-+#ifndef _VSERVER_CACCT_DEF_H
-+#define _VSERVER_CACCT_DEF_H
++#define __vxh_claim_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
++#define __vxh_release_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
+
-+#include <asm/atomic.h>
-+#include <linux/vserver/cacct.h>
++#define vxh_alloc_vx_info(v) \
++ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
++#define vxh_dealloc_vx_info(v) \
++ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
+
++#define vxh_hash_vx_info(v) \
++ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
++#define vxh_unhash_vx_info(v) \
++ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
+
-+struct _vx_sock_acc {
-+ atomic_long_t count;
-+ atomic_long_t total;
-+};
++#define vxh_loc_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
++#define vxh_lookup_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
++#define vxh_create_vx_info(v, l) \
++ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
+
-+/* context sub struct */
++extern void vxh_dump_history(void);
+
-+struct _vx_cacct {
-+ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
-+ atomic_t slab[8];
-+ atomic_t page[6][8];
-+};
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#else /* CONFIG_VSERVER_HISTORY */
+
-+static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
-+{
-+ int i, j;
++#define __HERE__ 0
+
-+ printk("\t_vx_cacct:");
-+ for (i = 0; i < 6; i++) {
-+ struct _vx_sock_acc *ptr = cacct->sock[i];
++#define vxh_throw_oops() do { } while (0)
+
-+ printk("\t [%d] =", i);
-+ for (j = 0; j < 3; j++) {
-+ printk(" [%d] = %8lu, %8lu", j,
-+ atomic_long_read(&ptr[j].count),
-+ atomic_long_read(&ptr[j].total));
-+ }
-+ printk("\n");
-+ }
-+}
++#define __vxh_get_vx_info(v, h) do { } while (0)
++#define __vxh_put_vx_info(v, h) do { } while (0)
+
-+#endif
++#define __vxh_init_vx_info(v, d, h) do { } while (0)
++#define __vxh_set_vx_info(v, d, h) do { } while (0)
++#define __vxh_clr_vx_info(v, d, h) do { } while (0)
+
-+#endif /* _VSERVER_CACCT_DEF_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cacct_int.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_int.h
---- linux-3.9.5/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cacct_int.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,17 @@
-+#ifndef _VSERVER_CACCT_INT_H
-+#define _VSERVER_CACCT_INT_H
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
+
-+static inline
-+unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
-+{
-+ return atomic_long_read(&cacct->sock[type][pos].count);
-+}
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
+
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
+
-+static inline
-+unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
-+{
-+ return atomic_long_read(&cacct->sock[type][pos].total);
-+}
++#define vxh_loc_vx_info(v, l) do { } while (0)
++#define vxh_lookup_vx_info(v, l) do { } while (0)
++#define vxh_create_vx_info(v, l) do { } while (0)
+
-+#endif /* _VSERVER_CACCT_INT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/check.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/check.h
---- linux-3.9.5/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/check.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,89 @@
-+#ifndef _VSERVER_CHECK_H
-+#define _VSERVER_CHECK_H
++#define vxh_dump_history() do { } while (0)
+
+
-+#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++#endif /* CONFIG_VSERVER_HISTORY */
+
-+#ifdef CONFIG_VSERVER_DYNAMIC_IDS
-+#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
-+#else
-+#define MIN_D_CONTEXT 65536
-+#endif
++#endif /* _VSERVER_HISTORY_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/inode_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/inode_cmd.h
+--- linux-4.9.217/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/inode_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,36 @@
++#ifndef _VSERVER_INODE_CMD_H
++#define _VSERVER_INODE_CMD_H
+
-+/* check conditions */
++#include <uapi/vserver/inode_cmd.h>
+
-+#define VS_ADMIN 0x0001
-+#define VS_WATCH 0x0002
-+#define VS_HIDE 0x0004
-+#define VS_HOSTID 0x0008
+
-+#define VS_IDENT 0x0010
-+#define VS_EQUIV 0x0020
-+#define VS_PARENT 0x0040
-+#define VS_CHILD 0x0080
+
-+#define VS_ARG_MASK 0x00F0
++#ifdef CONFIG_COMPAT
+
-+#define VS_DYNAMIC 0x0100
-+#define VS_STATIC 0x0200
++#include <asm/compat.h>
+
-+#define VS_ATR_MASK 0x0F00
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+#ifdef CONFIG_VSERVER_PRIVACY
-+#define VS_ADMIN_P (0)
-+#define VS_WATCH_P (0)
-+#else
-+#define VS_ADMIN_P VS_ADMIN
-+#define VS_WATCH_P VS_WATCH
-+#endif
++#endif /* CONFIG_COMPAT */
+
-+#define VS_HARDIRQ 0x1000
-+#define VS_SOFTIRQ 0x2000
-+#define VS_IRQ 0x4000
++#include <linux/compiler.h>
+
-+#define VS_IRQ_MASK 0xF000
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
+
-+#include <linux/hardirq.h>
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
+
-+/*
-+ * check current context for ADMIN/WATCH and
-+ * optionally against supplied argument
-+ */
-+static inline int __vs_check(int cid, int id, unsigned int mode)
-+{
-+ if (mode & VS_ARG_MASK) {
-+ if ((mode & VS_IDENT) && (id == cid))
-+ return 1;
-+ }
-+ if (mode & VS_ATR_MASK) {
-+ if ((mode & VS_DYNAMIC) &&
-+ (id >= MIN_D_CONTEXT) &&
-+ (id <= MAX_S_CONTEXT))
-+ return 1;
-+ if ((mode & VS_STATIC) &&
-+ (id > 1) && (id < MIN_D_CONTEXT))
-+ return 1;
-+ }
-+ if (mode & VS_IRQ_MASK) {
-+ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
-+ return 1;
-+ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
-+ return 1;
-+ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
-+ return 1;
-+ }
-+ return (((mode & VS_ADMIN) && (cid == 0)) ||
-+ ((mode & VS_WATCH) && (cid == 1)) ||
-+ ((mode & VS_HOSTID) && (id == 0)));
-+}
++#ifdef CONFIG_COMPAT
+
-+#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
+
-+#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
++#endif /* CONFIG_COMPAT */
+
++#endif /* _VSERVER_INODE_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/inode.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/inode.h
+--- linux-4.9.217/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/inode.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_INODE_H
++#define _VSERVER_INODE_H
+
-+#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
++#include <uapi/vserver/inode.h>
+
-+#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
+
++#ifdef CONFIG_VSERVER_PROC_SECURE
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#else
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/context.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/context.h
---- linux-3.9.5/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/context.h 2013-06-12 23:49:08.000000000 +0000
-@@ -0,0 +1,110 @@
-+#ifndef _VSERVER_CONTEXT_H
-+#define _VSERVER_CONTEXT_H
+
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
+
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
-+#include <uapi/vserver/context.h>
++#else /* _VSERVER_INODE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_INODE_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/limit_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_cmd.h
+--- linux-4.9.217/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,35 @@
++#ifndef _VSERVER_LIMIT_CMD_H
++#define _VSERVER_LIMIT_CMD_H
+
-+#include "limit_def.h"
-+#include "sched_def.h"
-+#include "cvirt_def.h"
-+#include "cacct_def.h"
-+#include "device_def.h"
-+
-+#define VX_SPACES 2
++#include <uapi/vserver/limit_cmd.h>
+
-+struct _vx_info_pc {
-+ struct _vx_sched_pc sched_pc;
-+ struct _vx_cvirt_pc cvirt_pc;
-+};
+
-+struct _vx_space {
-+ unsigned long vx_nsmask; /* assignment mask */
-+ struct nsproxy *vx_nsproxy; /* private namespaces */
-+ struct fs_struct *vx_fs; /* private namespace fs */
-+ const struct cred *vx_cred; /* task credentials */
-+};
++#ifdef CONFIG_IA32_EMULATION
+
-+struct vx_info {
-+ struct hlist_node vx_hlist; /* linked list of contexts */
-+ vxid_t vx_id; /* context id */
-+ atomic_t vx_usecnt; /* usage count */
-+ atomic_t vx_tasks; /* tasks count */
-+ struct vx_info *vx_parent; /* parent context */
-+ int vx_state; /* context state */
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
+
-+ struct _vx_space space[VX_SPACES]; /* namespace store */
++#endif /* CONFIG_IA32_EMULATION */
+
-+ uint64_t vx_flags; /* context flags */
-+ uint64_t vx_ccaps; /* context caps (vserver) */
-+ uint64_t vx_umask; /* unshare mask (guest) */
-+ uint64_t vx_wmask; /* warn mask (guest) */
-+ kernel_cap_t vx_bcaps; /* bounding caps (system) */
++#include <linux/compiler.h>
+
-+ struct task_struct *vx_reaper; /* guest reaper process */
-+ pid_t vx_initpid; /* PID of guest init */
-+ int64_t vx_badness_bias; /* OOM points bias */
++extern int vc_get_rlimit_mask(uint32_t, void __user *);
++extern int vc_get_rlimit(struct vx_info *, void __user *);
++extern int vc_set_rlimit(struct vx_info *, void __user *);
++extern int vc_reset_hits(struct vx_info *, void __user *);
++extern int vc_reset_minmax(struct vx_info *, void __user *);
+
-+ struct _vx_limit limit; /* vserver limits */
-+ struct _vx_sched sched; /* vserver scheduler */
-+ struct _vx_cvirt cvirt; /* virtual/bias stuff */
-+ struct _vx_cacct cacct; /* context accounting */
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
+
-+ struct _vx_device dmap; /* default device map targets */
++#ifdef CONFIG_IA32_EMULATION
+
-+#ifndef CONFIG_SMP
-+ struct _vx_info_pc info_pc; /* per cpu data */
-+#else
-+ struct _vx_info_pc *ptr_pc; /* per cpu array */
-+#endif
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
+
-+ wait_queue_head_t vx_wait; /* context exit waitqueue */
-+ int reboot_cmd; /* last sys_reboot() cmd */
-+ int exit_code; /* last process exit code */
++#endif /* CONFIG_IA32_EMULATION */
+
-+ char vx_name[65]; /* vserver name */
-+};
++#endif /* _VSERVER_LIMIT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/limit_def.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_def.h
+--- linux-4.9.217/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_def.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VSERVER_LIMIT_DEF_H
++#define _VSERVER_LIMIT_DEF_H
+
-+#ifndef CONFIG_SMP
-+#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
-+#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
-+#else
-+#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
-+#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
-+#endif
++#include <asm/atomic.h>
++#include <asm/resource.h>
+
-+#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
++#include "limit.h"
+
+
-+struct vx_info_save {
-+ struct vx_info *vxi;
-+ vxid_t xid;
-+};
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
+
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
+
-+/* status flags */
++ atomic_t lhit; /* Limit hits */
++};
+
-+#define VXS_HASHED 0x0001
-+#define VXS_PAUSED 0x0010
-+#define VXS_SHUTDOWN 0x0100
-+#define VXS_HELPER 0x1000
-+#define VXS_RELEASED 0x8000
++/* context sub struct */
+
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
++};
+
-+extern void claim_vx_info(struct vx_info *, struct task_struct *);
-+extern void release_vx_info(struct vx_info *, struct task_struct *);
++#ifdef CONFIG_VSERVER_DEBUG
+
-+extern struct vx_info *lookup_vx_info(int);
-+extern struct vx_info *lookup_or_create_vx_info(int);
++static inline void __dump_vx_limit(struct _vx_limit *limit)
++{
++ int i;
+
-+extern int get_xid_list(int, unsigned int *, int);
-+extern int xid_is_hashed(vxid_t);
++ printk("\t_vx_limit:");
++ for (i = 0; i < NUM_LIMITS; i++) {
++ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
++ i, (unsigned long)__rlim_get(limit, i),
++ (unsigned long)__rlim_rmin(limit, i),
++ (unsigned long)__rlim_rmax(limit, i),
++ (long)__rlim_soft(limit, i),
++ (long)__rlim_hard(limit, i),
++ atomic_read(&__rlim_lhit(limit, i)));
++ }
++}
+
-+extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++#endif
+
-+extern long vs_state_change(struct vx_info *, unsigned int);
++#endif /* _VSERVER_LIMIT_DEF_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/limit.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit.h
+--- linux-4.9.217/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VSERVER_LIMIT_H
++#define _VSERVER_LIMIT_H
+
++#include <uapi/vserver/limit.h>
+
-+#endif /* _VSERVER_CONTEXT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/context_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/context_cmd.h
---- linux-3.9.5/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/context_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,33 @@
-+#ifndef _VSERVER_CONTEXT_CMD_H
-+#define _VSERVER_CONTEXT_CMD_H
+
-+#include <uapi/vserver/context_cmd.h>
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
+
-+extern int vc_task_xid(uint32_t);
++/* keep in sync with CRLIM_INFINITY */
+
-+extern int vc_vx_info(struct vx_info *, void __user *);
++#define VLIM_INFINITY (~0ULL)
+
-+extern int vc_ctx_stat(struct vx_info *, void __user *);
++#include <asm/atomic.h>
++#include <asm/resource.h>
+
-+extern int vc_ctx_create(uint32_t, void __user *);
-+extern int vc_ctx_migrate(struct vx_info *, void __user *);
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
+
-+extern int vc_get_cflags(struct vx_info *, void __user *);
-+extern int vc_set_cflags(struct vx_info *, void __user *);
++#define __rlim_val(l, r, v) ((l)->res[r].v)
+
-+extern int vc_get_ccaps(struct vx_info *, void __user *);
-+extern int vc_set_ccaps(struct vx_info *, void __user *);
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
+
-+extern int vc_get_bcaps(struct vx_info *, void __user *);
-+extern int vc_set_bcaps(struct vx_info *, void __user *);
++#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
++#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
++#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
+
-+extern int vc_get_umask(struct vx_info *, void __user *);
-+extern int vc_set_umask(struct vx_info *, void __user *);
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
+
-+extern int vc_get_wmask(struct vx_info *, void __user *);
-+extern int vc_set_wmask(struct vx_info *, void __user *);
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
+
-+extern int vc_get_badness(struct vx_info *, void __user *);
-+extern int vc_set_badness(struct vx_info *, void __user *);
++#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
++#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
++#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
++#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
++#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
++#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
+
-+#endif /* _VSERVER_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cvirt.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt.h
---- linux-3.9.5/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,18 @@
-+#ifndef _VSERVER_CVIRT_H
-+#define _VSERVER_CVIRT_H
+
-+struct timespec;
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
++#else
++#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
++ ? VLIM_INFINITY : (long long)(r))
++#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
++ ? RLIM_INFINITY : (rlim_t)(v))
++#endif
+
-+void vx_vsi_boottime(struct timespec *);
++struct sysinfo;
+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
++#ifdef CONFIG_MEMCG
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
++#else /* !CONFIG_MEMCG */
++#define vx_vsi_meminfo(s) do { } while (0)
++#define vx_vsi_swapinfo(s) do { } while (0)
++#define vx_vsi_cached(s) (0L)
++#endif /* !CONFIG_MEMCG */
+
++#define NUM_LIMITS 24
+
-+struct vx_info;
++#endif /* _VSERVER_LIMIT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/limit_int.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_int.h
+--- linux-4.9.217/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/limit_int.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,193 @@
++#ifndef _VSERVER_LIMIT_INT_H
++#define _VSERVER_LIMIT_INT_H
+
-+void vx_update_load(struct vx_info *);
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
+
++extern const char *vlimit_name[NUM_LIMITS];
+
-+int vx_do_syslog(int, char __user *, int);
++static inline void __vx_acc_cres(struct vx_info *vxi,
++ int res, int dir, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ (dir > 0) ? "++" : "--", _data, _file, _line);
++ if (!vxi)
++ return;
+
-+#endif /* _VSERVER_CVIRT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cvirt_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt_cmd.h
---- linux-3.9.5/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,13 @@
-+#ifndef _VSERVER_CVIRT_CMD_H
-+#define _VSERVER_CVIRT_CMD_H
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
+
++static inline void __vx_add_cres(struct vx_info *vxi,
++ int res, int amount, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ amount, _data, _file, _line);
++ if (amount == 0)
++ return;
++ if (!vxi)
++ return;
++ __rlim_add(&vxi->limit, res, amount);
++}
+
-+#include <linux/compiler.h>
-+#include <uapi/vserver/cvirt_cmd.h>
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
+
-+extern int vc_set_vhi_name(struct vx_info *, void __user *);
-+extern int vc_get_vhi_name(struct vx_info *, void __user *);
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
+
-+extern int vc_virt_stat(struct vx_info *, void __user *);
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
+
-+#endif /* _VSERVER_CVIRT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/cvirt_def.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt_def.h
---- linux-3.9.5/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/cvirt_def.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,80 @@
-+#ifndef _VSERVER_CVIRT_DEF_H
-+#define _VSERVER_CVIRT_DEF_H
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
+
-+#include <linux/jiffies.h>
-+#include <linux/spinlock.h>
-+#include <linux/wait.h>
-+#include <linux/time.h>
-+#include <asm/atomic.h>
++static inline
++void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++{
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++}
+
+
-+struct _vx_usage_stat {
-+ uint64_t user;
-+ uint64_t nice;
-+ uint64_t system;
-+ uint64_t softirq;
-+ uint64_t irq;
-+ uint64_t idle;
-+ uint64_t iowait;
-+};
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
+
-+struct _vx_syslog {
-+ wait_queue_head_t log_wait;
-+ spinlock_t logbuf_lock; /* lock for the log buffer */
++static inline int __vx_cres_avail(struct vx_info *vxi,
++ int res, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value;
+
-+ unsigned long log_start; /* next char to be read by syslog() */
-+ unsigned long con_start; /* next char to be sent to consoles */
-+ unsigned long log_end; /* most-recently-written-char + 1 */
-+ unsigned long logged_chars; /* #chars since last read+clear operation */
++ if (VXD_RLIMIT_COND(res))
++ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ num, _file, _line);
++ if (!vxi)
++ return 1;
+
-+ char log_buf[1024];
-+};
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
+
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
+
-+/* context sub struct */
++ if (num == 0)
++ return 1;
+
-+struct _vx_cvirt {
-+ atomic_t nr_threads; /* number of current threads */
-+ atomic_t nr_running; /* number of running threads */
-+ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
+
-+ atomic_t nr_onhold; /* processes on hold */
-+ uint32_t onhold_last; /* jiffies when put on hold */
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
+
-+ struct timespec bias_ts; /* time offset to the host */
-+ struct timespec bias_idle;
-+ struct timespec bias_uptime; /* context creation point */
-+ uint64_t bias_clock; /* offset in clock_t */
++ __rlim_hit(limit, res);
++ return 0;
++}
+
-+ spinlock_t load_lock; /* lock for the load averages */
-+ atomic_t load_updates; /* nr of load updates done so far */
-+ uint32_t load_last; /* last time load was calculated */
-+ uint32_t load[3]; /* load averages 1,5,15 */
+
-+ atomic_t total_forks; /* number of forks so far */
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
+
-+ struct _vx_syslog syslog;
-+};
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
+
-+struct _vx_cvirt_pc {
-+ struct _vx_usage_stat cpustat;
-+};
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
+
++static inline
++rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value = __vx_cres_array_sum(limit, array + 1);
++ int res = *array;
+
-+#ifdef CONFIG_VSERVER_DEBUG
++ if (value == __rlim_get(limit, res))
++ return value;
+
-+static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
-+{
-+ printk("\t_vx_cvirt:\n");
-+ printk("\t threads: %4d, %4d, %4d, %4d\n",
-+ atomic_read(&cvirt->nr_threads),
-+ atomic_read(&cvirt->nr_running),
-+ atomic_read(&cvirt->nr_uninterruptible),
-+ atomic_read(&cvirt->nr_onhold));
-+ /* add rest here */
-+ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ return value;
+}
+
-+#endif
++static inline int __vx_cres_array_avail(struct vx_info *vxi,
++ const int *array, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value = 0;
++ int res;
+
-+#endif /* _VSERVER_CVIRT_DEF_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/debug.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/debug.h
---- linux-3.9.5/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/debug.h 2013-06-03 18:27:34.000000000 +0000
-@@ -0,0 +1,146 @@
-+#ifndef _VSERVER_DEBUG_H
-+#define _VSERVER_DEBUG_H
++ if (num == 0)
++ return 1;
++ if (!vxi)
++ return 1;
+
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
+
-+#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
-+#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
-+#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
+
-+#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
-+ imajor((d)->bd_inode), iminor((d)->bd_inode)
-+#define VXF_DEV "%p[%lu,%d:%d]"
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
+
-+#if defined(CONFIG_QUOTES_UTF8)
-+#define VS_Q_LQM "\xc2\xbb"
-+#define VS_Q_RQM "\xc2\xab"
-+#elif defined(CONFIG_QUOTES_ASCII)
-+#define VS_Q_LQM "\x27"
-+#define VS_Q_RQM "\x27"
-+#else
-+#define VS_Q_LQM "\xbb"
-+#define VS_Q_RQM "\xab"
-+#endif
+
-+#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
+
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
+
-+#define vxd_path(p) \
-+ ({ static char _buffer[PATH_MAX]; \
-+ d_path(p, _buffer, sizeof(_buffer)); })
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
+
-+#define vxd_cond_path(n) \
-+ ((n) ? vxd_path(&(n)->path) : "<null>" )
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
+
++ /* not supposed to happen, maybe warn? */
++ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
++ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
++ }
++}
+
-+#ifdef CONFIG_VSERVER_DEBUG
+
-+extern unsigned int vs_debug_switch;
-+extern unsigned int vs_debug_xid;
-+extern unsigned int vs_debug_nid;
-+extern unsigned int vs_debug_tag;
-+extern unsigned int vs_debug_net;
-+extern unsigned int vs_debug_limit;
-+extern unsigned int vs_debug_cres;
-+extern unsigned int vs_debug_dlim;
-+extern unsigned int vs_debug_quota;
-+extern unsigned int vs_debug_cvirt;
-+extern unsigned int vs_debug_space;
-+extern unsigned int vs_debug_perm;
-+extern unsigned int vs_debug_misc;
++#endif /* _VSERVER_LIMIT_INT_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/monitor.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/monitor.h
+--- linux-4.9.217/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/monitor.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,6 @@
++#ifndef _VSERVER_MONITOR_H
++#define _VSERVER_MONITOR_H
+
++#include <uapi/vserver/monitor.h>
+
-+#define VX_LOGLEVEL "vxD: "
-+#define VX_PROC_FMT "%p: "
-+#define VX_PROCESS current
++#endif /* _VSERVER_MONITOR_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/network_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/network_cmd.h
+--- linux-4.9.217/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/network_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_NETWORK_CMD_H
++#define _VSERVER_NETWORK_CMD_H
+
-+#define vxdprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
-+ VX_PROCESS , ##x); \
-+ } while (0)
++#include <uapi/vserver/network_cmd.h>
+
-+#define vxlprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
-+ } while (0)
++extern int vc_task_nid(uint32_t);
+
-+#define vxfprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
-+ } while (0)
++extern int vc_nx_info(struct nx_info *, void __user *);
+
++extern int vc_net_create(uint32_t, void __user *);
++extern int vc_net_migrate(struct nx_info *, void __user *);
+
-+struct vx_info;
++extern int vc_net_add(struct nx_info *, void __user *);
++extern int vc_net_remove(struct nx_info *, void __user *);
+
-+void dump_vx_info(struct vx_info *, int);
-+void dump_vx_info_inactive(int);
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
+
-+#else /* CONFIG_VSERVER_DEBUG */
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
+
-+#define vs_debug_switch 0
-+#define vs_debug_xid 0
-+#define vs_debug_nid 0
-+#define vs_debug_tag 0
-+#define vs_debug_net 0
-+#define vs_debug_limit 0
-+#define vs_debug_cres 0
-+#define vs_debug_dlim 0
-+#define vs_debug_quota 0
-+#define vs_debug_cvirt 0
-+#define vs_debug_space 0
-+#define vs_debug_perm 0
-+#define vs_debug_misc 0
-+
-+#define vxdprintk(x...) do { } while (0)
-+#define vxlprintk(x...) do { } while (0)
-+#define vxfprintk(x...) do { } while (0)
++extern int vc_net_add_ipv6(struct nx_info *, void __user *);
++extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
+
-+#endif /* CONFIG_VSERVER_DEBUG */
++extern int vc_add_match_ipv4(struct nx_info *, void __user *);
++extern int vc_get_match_ipv4(struct nx_info *, void __user *);
+
++extern int vc_add_match_ipv6(struct nx_info *, void __user *);
++extern int vc_get_match_ipv6(struct nx_info *, void __user *);
+
-+#ifdef CONFIG_VSERVER_WARN
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
+
-+#define VX_WARNLEVEL KERN_WARNING "vxW: "
-+#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
-+#define VX_WARN_XID "[xid #%u] "
-+#define VX_WARN_NID "[nid #%u] "
-+#define VX_WARN_TAG "[tag #%u] "
++extern int vc_get_ncaps(struct nx_info *, void __user *);
++extern int vc_set_ncaps(struct nx_info *, void __user *);
+
-+#define vxwprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_WARNLEVEL f "\n", ##x); \
-+ } while (0)
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/network.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/network.h
+--- linux-4.9.217/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/network.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _VSERVER_NETWORK_H
++#define _VSERVER_NETWORK_H
+
-+#else /* CONFIG_VSERVER_WARN */
+
-+#define vxwprintk(x...) do { } while (0)
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <linux/in.h>
++#include <linux/in6.h>
++#include <asm/atomic.h>
++#include <uapi/vserver/network.h>
+
-+#endif /* CONFIG_VSERVER_WARN */
++struct nx_addr_v4 {
++ struct nx_addr_v4 *next;
++ struct in_addr ip[2];
++ struct in_addr mask;
++ uint16_t type;
++ uint16_t flags;
++};
+
-+#define vxwprintk_task(c, f, x...) \
-+ vxwprintk(c, VX_WARN_TASK f, \
-+ current->comm, current->pid, \
-+ current->xid, current->nid, \
-+ current->tag, ##x)
-+#define vxwprintk_xid(c, f, x...) \
-+ vxwprintk(c, VX_WARN_XID f, current->xid, x)
-+#define vxwprintk_nid(c, f, x...) \
-+ vxwprintk(c, VX_WARN_NID f, current->nid, x)
-+#define vxwprintk_tag(c, f, x...) \
-+ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
++struct nx_addr_v6 {
++ struct nx_addr_v6 *next;
++ struct in6_addr ip;
++ struct in6_addr mask;
++ uint32_t prefix;
++ uint16_t type;
++ uint16_t flags;
++};
+
-+#ifdef CONFIG_VSERVER_DEBUG
-+#define vxd_assert_lock(l) assert_spin_locked(l)
-+#define vxd_assert(c, f, x...) vxlprintk(!(c), \
-+ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
-+#else
-+#define vxd_assert_lock(l) do { } while (0)
-+#define vxd_assert(c, f, x...) do { } while (0)
-+#endif
++struct nx_info {
++ struct hlist_node nx_hlist; /* linked list of nxinfos */
++ vnid_t nx_id; /* vnet id */
++ atomic_t nx_usecnt; /* usage count */
++ atomic_t nx_tasks; /* tasks count */
++ int nx_state; /* context state */
+
++ uint64_t nx_flags; /* network flag word */
++ uint64_t nx_ncaps; /* network capabilities */
+
-+#endif /* _VSERVER_DEBUG_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/debug_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/debug_cmd.h
---- linux-3.9.5/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/debug_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,37 @@
-+#ifndef _VSERVER_DEBUG_CMD_H
-+#define _VSERVER_DEBUG_CMD_H
++ spinlock_t addr_lock; /* protect address changes */
++ struct in_addr v4_lback; /* Loopback address */
++ struct in_addr v4_bcast; /* Broadcast address */
++ struct nx_addr_v4 v4; /* First/Single ipv4 address */
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 v6; /* First/Single ipv6 address */
++#endif
++ char nx_name[65]; /* network context name */
++};
+
-+#include <uapi/vserver/debug_cmd.h>
+
++/* status flags */
+
-+#ifdef CONFIG_COMPAT
++#define NXS_HASHED 0x0001
++#define NXS_SHUTDOWN 0x0100
++#define NXS_RELEASED 0x8000
+
-+#include <asm/compat.h>
++extern struct nx_info *lookup_nx_info(int);
+
-+struct vcmd_read_history_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
++extern int get_nid_list(int, unsigned int *, int);
++extern int nid_is_hashed(vnid_t);
+
-+struct vcmd_read_monitor_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
++extern int nx_migrate_task(struct task_struct *, struct nx_info *);
+
-+#endif /* CONFIG_COMPAT */
++extern long vs_net_change(struct nx_info *, unsigned int);
+
-+extern int vc_dump_history(uint32_t);
++struct sock;
+
-+extern int vc_read_history(uint32_t, void __user *);
-+extern int vc_read_monitor(uint32_t, void __user *);
+
-+#ifdef CONFIG_COMPAT
++#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
++#ifdef CONFIG_IPV6
++#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#else
++#define NX_IPV6(n) (0)
++#endif
+
-+extern int vc_read_history_x32(uint32_t, void __user *);
-+extern int vc_read_monitor_x32(uint32_t, void __user *);
++#endif /* _VSERVER_NETWORK_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/percpu.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/percpu.h
+--- linux-4.9.217/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/percpu.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_PERCPU_H
++#define _VSERVER_PERCPU_H
+
-+#endif /* CONFIG_COMPAT */
++#include "cvirt_def.h"
++#include "sched_def.h"
+
-+#endif /* _VSERVER_DEBUG_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/device.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/device.h
---- linux-3.9.5/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/device.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,9 @@
-+#ifndef _VSERVER_DEVICE_H
-+#define _VSERVER_DEVICE_H
++struct _vx_percpu {
++ struct _vx_cvirt_pc cvirt;
++ struct _vx_sched_pc sched;
++};
+
++#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
+
-+#include <uapi/vserver/device.h>
++#endif /* _VSERVER_PERCPU_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/pid.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/pid.h
+--- linux-4.9.217/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/pid.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,51 @@
++#ifndef _VSERVER_PID_H
++#define _VSERVER_PID_H
+
-+#else /* _VSERVER_DEVICE_H */
-+#warning duplicate inclusion
-+#endif /* _VSERVER_DEVICE_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/device_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/device_cmd.h
---- linux-3.9.5/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/device_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,31 @@
-+#ifndef _VSERVER_DEVICE_CMD_H
-+#define _VSERVER_DEVICE_CMD_H
++/* pid faking stuff */
+
-+#include <uapi/vserver/device_cmd.h>
++#define vx_info_map_pid(v, p) \
++ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
++#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
++#define vx_map_tgid(p) vx_map_pid(p)
+
++static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_map_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid && pid == vxi->vx_initpid) ? 1 : pid,
++ func, file, line);
++ if (pid == 0)
++ return 0;
++ if (pid == vxi->vx_initpid)
++ return 1;
++ }
++ return pid;
++}
+
-+#ifdef CONFIG_COMPAT
++#define vx_info_rmap_pid(v, p) \
++ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
++#define vx_rmap_tgid(p) vx_rmap_pid(p)
+
-+#include <asm/compat.h>
++static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_rmap_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid == 1) ? vxi->vx_initpid : pid,
++ func, file, line);
++ if ((pid == 1) && vxi->vx_initpid)
++ return vxi->vx_initpid;
++ if (pid == vxi->vx_initpid)
++ return ~0U;
++ }
++ return pid;
++}
+
-+struct vcmd_set_mapping_v0_x32 {
-+ compat_uptr_t device_ptr;
-+ compat_uptr_t target_ptr;
-+ uint32_t flags;
-+};
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/sched_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched_cmd.h
+--- linux-4.9.217/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_SCHED_CMD_H
++#define _VSERVER_SCHED_CMD_H
+
-+#endif /* CONFIG_COMPAT */
+
+#include <linux/compiler.h>
++#include <uapi/vserver/sched_cmd.h>
+
-+extern int vc_set_mapping(struct vx_info *, void __user *);
-+extern int vc_unset_mapping(struct vx_info *, void __user *);
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
+
-+#ifdef CONFIG_COMPAT
++#endif /* _VSERVER_SCHED_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/sched_def.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched_def.h
+--- linux-4.9.217/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched_def.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VSERVER_SCHED_DEF_H
++#define _VSERVER_SCHED_DEF_H
+
-+extern int vc_set_mapping_x32(struct vx_info *, void __user *);
-+extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
++#include <linux/spinlock.h>
++#include <linux/jiffies.h>
++#include <linux/cpumask.h>
++#include <asm/atomic.h>
++#include <asm/param.h>
+
-+#endif /* CONFIG_COMPAT */
+
-+#endif /* _VSERVER_DEVICE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/device_def.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/device_def.h
---- linux-3.9.5/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/device_def.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,17 @@
-+#ifndef _VSERVER_DEVICE_DEF_H
-+#define _VSERVER_DEVICE_DEF_H
++/* context sub struct */
+
-+#include <linux/types.h>
++struct _vx_sched {
++ int prio_bias; /* bias offset for priority */
+
-+struct vx_dmap_target {
-+ dev_t target;
-+ uint32_t flags;
++ cpumask_t update; /* CPUs which should update */
+};
+
-+struct _vx_device {
-+#ifdef CONFIG_VSERVER_DEVICE
-+ struct vx_dmap_target targets[2];
-+#endif
++struct _vx_sched_pc {
++ int prio_bias; /* bias offset for priority */
++
++ uint64_t user_ticks; /* token tick events */
++ uint64_t sys_ticks; /* token tick events */
++ uint64_t hold_ticks; /* token ticks paused */
+};
+
-+#endif /* _VSERVER_DEVICE_DEF_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/dlimit.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/dlimit.h
---- linux-3.9.5/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/dlimit.h 2013-06-12 23:49:09.000000000 +0000
-@@ -0,0 +1,54 @@
-+#ifndef _VSERVER_DLIMIT_H
-+#define _VSERVER_DLIMIT_H
+
-+#include "switch.h"
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_sched(struct _vx_sched *sched)
++{
++ printk("\t_vx_sched:\n");
++ printk("\t priority = %4d\n", sched->prio_bias);
++}
++
++#endif
++
++#endif /* _VSERVER_SCHED_DEF_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/sched.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched.h
+--- linux-4.9.217/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/sched.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VSERVER_SCHED_H
++#define _VSERVER_SCHED_H
+
+
+#ifdef __KERNEL__
+
-+/* keep in sync with CDLIM_INFINITY */
++struct timespec;
+
-+#define DLIM_INFINITY (~0ULL)
++void vx_vsi_uptime(struct timespec *, struct timespec *);
+
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
+
-+struct super_block;
++struct vx_info;
+
-+struct dl_info {
-+ struct hlist_node dl_hlist; /* linked list of contexts */
-+ struct rcu_head dl_rcu; /* the rcu head */
-+ vtag_t dl_tag; /* context tag */
-+ atomic_t dl_usecnt; /* usage count */
-+ atomic_t dl_refcnt; /* reference count */
++void vx_update_load(struct vx_info *);
+
-+ struct super_block *dl_sb; /* associated superblock */
+
-+ spinlock_t dl_lock; /* protect the values */
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc);
+
-+ unsigned long long dl_space_used; /* used space in bytes */
-+ unsigned long long dl_space_total; /* maximum space in bytes */
-+ unsigned long dl_inodes_used; /* used inodes */
-+ unsigned long dl_inodes_total; /* maximum inodes */
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SCHED_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SCHED_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/signal_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/signal_cmd.h
+--- linux-4.9.217/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/signal_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_CMD_H
++#define _VSERVER_SIGNAL_CMD_H
+
-+ unsigned int dl_nrlmult; /* non root limit mult */
-+};
++#include <uapi/vserver/signal_cmd.h>
+
-+struct rcu_head;
+
-+extern void rcu_free_dl_info(struct rcu_head *);
-+extern void unhash_dl_info(struct dl_info *);
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
+
-+extern struct dl_info *locate_dl_info(struct super_block *, vtag_t);
+
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
+
-+struct kstatfs;
++#endif /* _VSERVER_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/signal.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/signal.h
+--- linux-4.9.217/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/signal.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_H
++#define _VSERVER_SIGNAL_H
+
-+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
-+typedef uint64_t dlsize_t;
++#ifdef __KERNEL__
++
++struct vx_info;
++
++int vx_info_kill(struct vx_info *, int, int);
+
+#endif /* __KERNEL__ */
-+#else /* _VSERVER_DLIMIT_H */
++#else /* _VSERVER_SIGNAL_H */
+#warning duplicate inclusion
-+#endif /* _VSERVER_DLIMIT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/dlimit_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/dlimit_cmd.h
---- linux-3.9.5/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/dlimit_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,46 @@
-+#ifndef _VSERVER_DLIMIT_CMD_H
-+#define _VSERVER_DLIMIT_CMD_H
++#endif /* _VSERVER_SIGNAL_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/space_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/space_cmd.h
+--- linux-4.9.217/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/space_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_SPACE_CMD_H
++#define _VSERVER_SPACE_CMD_H
+
-+#include <uapi/vserver/dlimit_cmd.h>
++#include <uapi/vserver/space_cmd.h>
+
+
-+#ifdef CONFIG_COMPAT
++extern int vc_enter_space_v1(struct vx_info *, void __user *);
++extern int vc_set_space_v1(struct vx_info *, void __user *);
++extern int vc_enter_space(struct vx_info *, void __user *);
++extern int vc_set_space(struct vx_info *, void __user *);
++extern int vc_get_space_mask(void __user *, int);
+
-+#include <asm/compat.h>
++#endif /* _VSERVER_SPACE_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/space.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/space.h
+--- linux-4.9.217/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/space.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VSERVER_SPACE_H
++#define _VSERVER_SPACE_H
+
-+struct vcmd_ctx_dlimit_base_v0_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t flags;
-+};
++#include <linux/types.h>
+
-+struct vcmd_ctx_dlimit_v0_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t space_used; /* used space in kbytes */
-+ uint32_t space_total; /* maximum space in kbytes */
-+ uint32_t inodes_used; /* used inodes */
-+ uint32_t inodes_total; /* maximum inodes */
-+ uint32_t reserved; /* reserved for root in % */
-+ uint32_t flags;
-+};
++struct vx_info;
+
-+#endif /* CONFIG_COMPAT */
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
+
-+#include <linux/compiler.h>
++#else /* _VSERVER_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SPACE_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/switch.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/switch.h
+--- linux-4.9.217/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/switch.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,8 @@
++#ifndef _VSERVER_SWITCH_H
++#define _VSERVER_SWITCH_H
+
-+extern int vc_add_dlimit(uint32_t, void __user *);
-+extern int vc_rem_dlimit(uint32_t, void __user *);
+
-+extern int vc_set_dlimit(uint32_t, void __user *);
-+extern int vc_get_dlimit(uint32_t, void __user *);
++#include <linux/errno.h>
++#include <uapi/vserver/switch.h>
+
-+#ifdef CONFIG_COMPAT
++#endif /* _VSERVER_SWITCH_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/tag_cmd.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/tag_cmd.h
+--- linux-4.9.217/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/tag_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_TAG_CMD_H
++#define _VSERVER_TAG_CMD_H
+
-+extern int vc_add_dlimit_x32(uint32_t, void __user *);
-+extern int vc_rem_dlimit_x32(uint32_t, void __user *);
++#include <uapi/vserver/tag_cmd.h>
+
-+extern int vc_set_dlimit_x32(uint32_t, void __user *);
-+extern int vc_get_dlimit_x32(uint32_t, void __user *);
++extern int vc_task_tag(uint32_t);
+
-+#endif /* CONFIG_COMPAT */
++extern int vc_tag_migrate(uint32_t);
+
-+#endif /* _VSERVER_DLIMIT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/global.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/global.h
---- linux-3.9.5/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/global.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,19 @@
-+#ifndef _VSERVER_GLOBAL_H
-+#define _VSERVER_GLOBAL_H
++#endif /* _VSERVER_TAG_CMD_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vserver/tag.h linux-4.9.217-vs2.3.9.12/include/linux/vserver/tag.h
+--- linux-4.9.217/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vserver/tag.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,160 @@
++#ifndef _DX_TAG_H
++#define _DX_TAG_H
+
++#include <linux/types.h>
++#include <linux/uidgid.h>
+
-+extern atomic_t vx_global_ctotal;
-+extern atomic_t vx_global_cactive;
+
-+extern atomic_t nx_global_ctotal;
-+extern atomic_t nx_global_cactive;
++#define DX_TAG(in) (IS_TAGGED(in))
+
-+extern atomic_t vs_global_nsproxy;
-+extern atomic_t vs_global_fs;
-+extern atomic_t vs_global_mnt_ns;
-+extern atomic_t vs_global_uts_ns;
-+extern atomic_t vs_global_user_ns;
-+extern atomic_t vs_global_pid_ns;
+
++#ifdef CONFIG_TAG_NFSD
++#define DX_TAG_NFSD 1
++#else
++#define DX_TAG_NFSD 0
++#endif
+
-+#endif /* _VSERVER_GLOBAL_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/history.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/history.h
---- linux-3.9.5/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/history.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,197 @@
-+#ifndef _VSERVER_HISTORY_H
-+#define _VSERVER_HISTORY_H
+
++#ifdef CONFIG_TAGGING_NONE
+
-+enum {
-+ VXH_UNUSED = 0,
-+ VXH_THROW_OOPS = 1,
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
+
-+ VXH_GET_VX_INFO,
-+ VXH_PUT_VX_INFO,
-+ VXH_INIT_VX_INFO,
-+ VXH_SET_VX_INFO,
-+ VXH_CLR_VX_INFO,
-+ VXH_CLAIM_VX_INFO,
-+ VXH_RELEASE_VX_INFO,
-+ VXH_ALLOC_VX_INFO,
-+ VXH_DEALLOC_VX_INFO,
-+ VXH_HASH_VX_INFO,
-+ VXH_UNHASH_VX_INFO,
-+ VXH_LOC_VX_INFO,
-+ VXH_LOOKUP_VX_INFO,
-+ VXH_CREATE_VX_INFO,
-+};
++#define INOTAG_TAG(cond, uid, gid, tag) (0)
+
-+struct _vxhe_vxi {
-+ struct vx_info *ptr;
-+ unsigned xid;
-+ unsigned usecnt;
-+ unsigned tasks;
-+};
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
+
-+struct _vxhe_set_clr {
-+ void *data;
-+};
++#endif
+
-+struct _vxhe_loc_lookup {
-+ unsigned arg;
-+};
+
-+struct _vx_hist_entry {
-+ void *loc;
-+ unsigned short seq;
-+ unsigned short type;
-+ struct _vxhe_vxi vxi;
-+ union {
-+ struct _vxhe_set_clr sc;
-+ struct _vxhe_loc_lookup ll;
-+ };
-+};
++#ifdef CONFIG_TAGGING_GID16
+
-+#ifdef CONFIG_VSERVER_HISTORY
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0x0000FFFF
+
-+extern unsigned volatile int vxh_active;
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((gid) >> 16) & 0xFFFF) : 0)
+
-+struct _vx_hist_entry *vxh_advance(void *loc);
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFF) | ((tag) << 16)) : (gid))
+
++#endif
+
-+static inline
-+void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
-+{
-+ entry->vxi.ptr = vxi;
-+ if (vxi) {
-+ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
-+ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
-+ entry->vxi.xid = vxi->vx_id;
-+ }
-+}
+
++#ifdef CONFIG_TAGGING_ID24
+
-+#define __HERE__ current_text_addr()
++#define MAX_UID 0x00FFFFFF
++#define MAX_GID 0x00FFFFFF
+
-+#define __VXH_BODY(__type, __data, __here) \
-+ struct _vx_hist_entry *entry; \
-+ \
-+ preempt_disable(); \
-+ entry = vxh_advance(__here); \
-+ __data; \
-+ entry->type = __type; \
-+ preempt_enable();
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
+
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFFFF) | (((tag) & 0xFF00) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFFFF) | (((tag) & 0x00FF) << 24)) : (gid))
+
-+ /* pass vxi only */
++#endif
+
-+#define __VXH_SMPL \
-+ __vxh_copy_vxi(entry, vxi)
-+
-+static inline
-+void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_SMPL, __here)
-+}
-+
-+ /* pass vxi and data (void *) */
-+
-+#define __VXH_DATA \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->sc.data = data
-+
-+static inline
-+void __vxh_data(struct vx_info *vxi, void *data,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_DATA, __here)
-+}
-+
-+ /* pass vxi and arg (long) */
-+
-+#define __VXH_LONG \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->ll.arg = arg
-+
-+static inline
-+void __vxh_long(struct vx_info *vxi, long arg,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_LONG, __here)
-+}
+
++#ifdef CONFIG_TAGGING_UID16
+
-+static inline
-+void __vxh_throw_oops(void *__here)
-+{
-+ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
-+ /* prevent further acquisition */
-+ vxh_active = 0;
-+}
++#define MAX_UID 0x0000FFFF
++#define MAX_GID 0xFFFFFFFF
+
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((uid) >> 16) & 0xFFFF) : 0)
+
-+#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFF) | ((tag) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) (gid)
+
-+#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
-+#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
++#endif
+
-+#define __vxh_init_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
-+#define __vxh_set_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_SET_VX_INFO, h);
-+#define __vxh_clr_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
+
-+#define __vxh_claim_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
-+#define __vxh_release_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
++#ifdef CONFIG_TAGGING_INTERN
+
-+#define vxh_alloc_vx_info(v) \
-+ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
-+#define vxh_dealloc_vx_info(v) \
-+ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
+
-+#define vxh_hash_vx_info(v) \
-+ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
-+#define vxh_unhash_vx_info(v) \
-+ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (tag) : 0)
+
-+#define vxh_loc_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
-+#define vxh_lookup_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
-+#define vxh_create_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
+
-+extern void vxh_dump_history(void);
++#endif
+
+
-+#else /* CONFIG_VSERVER_HISTORY */
++#ifndef CONFIG_TAGGING_NONE
++#define dx_current_fstag(sb) \
++ ((sb)->s_flags & MS_TAGGED ? dx_current_tag() : 0)
++#else
++#define dx_current_fstag(sb) (0)
++#endif
+
-+#define __HERE__ 0
++#ifndef CONFIG_TAGGING_INTERN
++#define TAGINO_TAG(cond, tag) (0)
++#else
++#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
++#endif
+
-+#define vxh_throw_oops() do { } while (0)
++#define TAGINO_KUID(cond, kuid, ktag) \
++ KUIDT_INIT(TAGINO_UID(cond, __kuid_val(kuid), __ktag_val(ktag)))
++#define TAGINO_KGID(cond, kgid, ktag) \
++ KGIDT_INIT(TAGINO_GID(cond, __kgid_val(kgid), __ktag_val(ktag)))
++#define TAGINO_KTAG(cond, ktag) \
++ KTAGT_INIT(TAGINO_TAG(cond, __ktag_val(ktag)))
+
-+#define __vxh_get_vx_info(v, h) do { } while (0)
-+#define __vxh_put_vx_info(v, h) do { } while (0)
+
-+#define __vxh_init_vx_info(v, d, h) do { } while (0)
-+#define __vxh_set_vx_info(v, d, h) do { } while (0)
-+#define __vxh_clr_vx_info(v, d, h) do { } while (0)
++#define INOTAG_UID(cond, uid, gid) \
++ ((cond) ? ((uid) & MAX_UID) : (uid))
++#define INOTAG_GID(cond, uid, gid) \
++ ((cond) ? ((gid) & MAX_GID) : (gid))
+
-+#define __vxh_claim_vx_info(v, d, h) do { } while (0)
-+#define __vxh_release_vx_info(v, d, h) do { } while (0)
++#define INOTAG_KUID(cond, kuid, kgid) \
++ KUIDT_INIT(INOTAG_UID(cond, __kuid_val(kuid), __kgid_val(kgid)))
++#define INOTAG_KGID(cond, kuid, kgid) \
++ KGIDT_INIT(INOTAG_GID(cond, __kuid_val(kuid), __kgid_val(kgid)))
++#define INOTAG_KTAG(cond, kuid, kgid, ktag) \
++ KTAGT_INIT(INOTAG_TAG(cond, \
++ __kuid_val(kuid), __kgid_val(kgid), __ktag_val(ktag)))
+
-+#define vxh_alloc_vx_info(v) do { } while (0)
-+#define vxh_dealloc_vx_info(v) do { } while (0)
+
-+#define vxh_hash_vx_info(v) do { } while (0)
-+#define vxh_unhash_vx_info(v) do { } while (0)
++static inline uid_t dx_map_uid(uid_t uid)
++{
++ if ((uid > MAX_UID) && (uid != -1))
++ uid = -2;
++ return (uid & MAX_UID);
++}
+
-+#define vxh_loc_vx_info(v, l) do { } while (0)
-+#define vxh_lookup_vx_info(v, l) do { } while (0)
-+#define vxh_create_vx_info(v, l) do { } while (0)
++static inline gid_t dx_map_gid(gid_t gid)
++{
++ if ((gid > MAX_GID) && (gid != -1))
++ gid = -2;
++ return (gid & MAX_GID);
++}
+
-+#define vxh_dump_history() do { } while (0)
++struct peer_tag {
++ int32_t xid;
++ int32_t nid;
++};
+
++#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
+
-+#endif /* CONFIG_VSERVER_HISTORY */
++int dx_parse_tag(char *string, vtag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags);
+
-+#endif /* _VSERVER_HISTORY_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/inode.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/inode.h
---- linux-3.9.5/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/inode.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,19 @@
-+#ifndef _VSERVER_INODE_H
-+#define _VSERVER_INODE_H
++#ifdef CONFIG_PROPAGATE
+
-+#include <uapi/vserver/inode.h>
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode);
+
++#define dx_propagate_tag(n, i) __dx_propagate_tag(n, i)
+
-+#ifdef CONFIG_VSERVER_PROC_SECURE
-+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
-+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
+#else
-+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
-+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#define dx_propagate_tag(n, i) do { } while (0)
+#endif
+
-+#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
++#endif /* _DX_TAG_H */
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_inet6.h linux-4.9.217-vs2.3.9.12/include/linux/vs_inet6.h
+--- linux-4.9.217/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_inet6.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,264 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
+
-+#else /* _VSERVER_INODE_H */
-+#warning duplicate inclusion
-+#endif /* _VSERVER_INODE_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/inode_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/inode_cmd.h
---- linux-3.9.5/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/inode_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,36 @@
-+#ifndef _VSERVER_INODE_CMD_H
-+#define _VSERVER_INODE_CMD_H
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
+
-+#include <uapi/vserver/inode_cmd.h>
++#include <net/ipv6.h>
+
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
+
+
-+#ifdef CONFIG_COMPAT
++#ifdef CONFIG_IPV6
+
-+#include <asm/compat.h>
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
+
-+struct vcmd_ctx_iattr_v1_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t tag;
-+ uint32_t flags;
-+ uint32_t mask;
-+};
++ switch (nxa->type & mask) {
++ case NXA_TYPE_MASK:
++ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
++ break;
++ case NXA_TYPE_ADDR:
++ ret = ipv6_addr_equal(&nxa->ip, addr);
++ break;
++ case NXA_TYPE_ANY:
++ ret = 1;
++ break;
++ }
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
++ nxa, NXAV6(nxa), addr, mask, ret);
++ return ret;
++}
+
-+#endif /* CONFIG_COMPAT */
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ struct nx_addr_v6 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
+
-+#include <linux/compiler.h>
++ if (!nxi)
++ goto out;
+
-+extern int vc_get_iattr(void __user *);
-+extern int vc_set_iattr(void __user *);
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
++ if (v6_addr_match(nxa, addr, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
++ return ret;
++}
+
-+extern int vc_fget_iattr(uint32_t, void __user *);
-+extern int vc_fset_iattr(uint32_t, void __user *);
++static inline
++int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v6_addr_match(nxa, &addr->ip, mask);
++}
+
-+#ifdef CONFIG_COMPAT
++static inline
++int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
++{
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
+
-+extern int vc_get_iattr_x32(void __user *);
-+extern int vc_set_iattr_x32(void __user *);
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
++ if (v6_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
+
-+#endif /* CONFIG_COMPAT */
+
-+#endif /* _VSERVER_INODE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/limit.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit.h
---- linux-3.9.5/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,61 @@
-+#ifndef _VSERVER_LIMIT_H
-+#define _VSERVER_LIMIT_H
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v6_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ struct in6_addr *addr)
++{
++ struct sock *sk = &inet->sk;
++ const struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+#include <uapi/vserver/limit.h>
++ if (!ipv6_addr_any(addr) &&
++ ipv6_addr_equal(saddr, addr))
++ return 1;
++ if (ipv6_addr_any(saddr))
++ return v6_addr_in_nx_info(nxi, addr, -1);
++ return 0;
++}
+
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
+
-+#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++static inline
++int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ const struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+/* keep in sync with CRLIM_INFINITY */
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
++ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
+
-+#define VLIM_INFINITY (~0ULL)
++ if (!ipv6_addr_any(saddr)) { /* direct address match */
++ return v6_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
+
-+#ifndef RLIM_INFINITY
-+#warning RLIM_INFINITY is undefined
-+#endif
++/* inet related checks and helpers */
+
-+#define __rlim_val(l, r, v) ((l)->res[r].v)
+
-+#define __rlim_soft(l, r) __rlim_val(l, r, soft)
-+#define __rlim_hard(l, r) __rlim_val(l, r, hard)
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
-+#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
-+#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
-+#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
+
-+#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
-+#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
+
-+typedef atomic_long_t rlim_atomic_t;
-+typedef unsigned long rlim_t;
+
-+#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
-+#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
-+#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
-+#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
-+#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
-+#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
+
+
-+#if (RLIM_INFINITY == VLIM_INFINITY)
-+#define VX_VLIM(r) ((long long)(long)(r))
-+#define VX_RLIM(v) ((rlim_t)(v))
-+#else
-+#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
-+ ? VLIM_INFINITY : (long long)(r))
-+#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
-+ ? RLIM_INFINITY : (rlim_t)(v))
-+#endif
+
-+struct sysinfo;
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
++}
+
-+void vx_vsi_meminfo(struct sysinfo *);
-+void vx_vsi_swapinfo(struct sysinfo *);
-+long vx_vsi_cached(struct sysinfo *);
++static inline
++int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
+
-+#define NUM_LIMITS 24
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
+
-+#endif /* _VSERVER_LIMIT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/limit_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_cmd.h
---- linux-3.9.5/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,35 @@
-+#ifndef _VSERVER_LIMIT_CMD_H
-+#define _VSERVER_LIMIT_CMD_H
+
-+#include <uapi/vserver/limit_cmd.h>
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
++};
+
++static inline
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr saddr = addr->sin6_addr;
++ struct in6_addr baddr = saddr;
+
-+#ifdef CONFIG_IA32_EMULATION
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
+
-+struct vcmd_ctx_rlimit_v0_x32 {
-+ uint32_t id;
-+ uint64_t minimum;
-+ uint64_t softlimit;
-+ uint64_t maximum;
-+} __attribute__ ((packed));
++static inline
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+#endif /* CONFIG_IA32_EMULATION */
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
+
-+#include <linux/compiler.h>
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
+
-+extern int vc_get_rlimit_mask(uint32_t, void __user *);
-+extern int vc_get_rlimit(struct vx_info *, void __user *);
-+extern int vc_set_rlimit(struct vx_info *, void __user *);
-+extern int vc_reset_hits(struct vx_info *, void __user *);
-+extern int vc_reset_minmax(struct vx_info *, void __user *);
++#else /* CONFIG_IPV6 */
+
-+extern int vc_rlimit_stat(struct vx_info *, void __user *);
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
-+#ifdef CONFIG_IA32_EMULATION
+
-+extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
-+extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
-+#endif /* CONFIG_IA32_EMULATION */
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
-+#endif /* _VSERVER_LIMIT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/limit_def.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_def.h
---- linux-3.9.5/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_def.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,47 @@
-+#ifndef _VSERVER_LIMIT_DEF_H
-+#define _VSERVER_LIMIT_DEF_H
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ return 0;
++}
+
-+#include "limit.h"
++#endif /* CONFIG_IPV6 */
+
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
+
-+struct _vx_res_limit {
-+ rlim_t soft; /* Context soft limit */
-+ rlim_t hard; /* Context hard limit */
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_inet.h linux-4.9.217-vs2.3.9.12/include/linux/vs_inet.h
+--- linux-4.9.217/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_inet.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,364 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
+
-+ rlim_atomic_t rcur; /* Current value */
-+ rlim_t rmin; /* Context minimum */
-+ rlim_t rmax; /* Context maximum */
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
+
-+ atomic_t lhit; /* Limit hits */
-+};
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
+
-+/* context sub struct */
++#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
++ NIPQUAD((a)->mask), (a)->type
++#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
+
-+struct _vx_limit {
-+ struct _vx_res_limit res[NUM_LIMITS];
-+};
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#define NIPQUAD_FMT "%u.%u.%u.%u"
+
-+static inline void __dump_vx_limit(struct _vx_limit *limit)
-+{
-+ int i;
+
-+ printk("\t_vx_limit:");
-+ for (i = 0; i < NUM_LIMITS; i++) {
-+ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
-+ i, (unsigned long)__rlim_get(limit, i),
-+ (unsigned long)__rlim_rmin(limit, i),
-+ (unsigned long)__rlim_rmax(limit, i),
-+ (long)__rlim_soft(limit, i),
-+ (long)__rlim_hard(limit, i),
-+ atomic_read(&__rlim_lhit(limit, i)));
-+ }
-+}
++static inline
++int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
++{
++ __be32 ip = nxa->ip[0].s_addr;
++ __be32 mask = nxa->mask.s_addr;
++ __be32 bcast = ip | ~mask;
++ int ret = 0;
+
-+#endif
++ switch (nxa->type & tmask) {
++ case NXA_TYPE_MASK:
++ ret = (ip == (addr & mask));
++ break;
++ case NXA_TYPE_ADDR:
++ ret = 3;
++ if (addr == ip)
++ break;
++ /* fall through to broadcast */
++ case NXA_MOD_BCAST:
++ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
++ break;
++ case NXA_TYPE_RANGE:
++ ret = ((nxa->ip[0].s_addr <= addr) &&
++ (nxa->ip[1].s_addr > addr));
++ break;
++ case NXA_TYPE_ANY:
++ ret = 2;
++ break;
++ }
+
-+#endif /* _VSERVER_LIMIT_DEF_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/limit_int.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_int.h
---- linux-3.9.5/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/limit_int.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,193 @@
-+#ifndef _VSERVER_LIMIT_INT_H
-+#define _VSERVER_LIMIT_INT_H
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
++ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
++ return ret;
++}
+
-+#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
-+#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++static inline
++int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
++{
++ struct nx_addr_v4 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
+
-+extern const char *vlimit_name[NUM_LIMITS];
++ if (!nxi)
++ goto out;
+
-+static inline void __vx_acc_cres(struct vx_info *vxi,
-+ int res, int dir, void *_data, char *_file, int _line)
-+{
-+ if (VXD_RCRES_COND(res))
-+ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ (dir > 0) ? "++" : "--", _data, _file, _line);
-+ if (!vxi)
-+ return;
++ ret = 2;
++ /* allow 127.0.0.1 when remapping lback */
++ if ((tmask & NXA_LOOPBACK) &&
++ (addr == IPI_LOOPBACK) &&
++ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ goto out;
++ ret = 3;
++ /* check for lback address */
++ if ((tmask & NXA_MOD_LBACK) &&
++ (nxi->v4_lback.s_addr == addr))
++ goto out;
++ ret = 4;
++ /* check for broadcast address */
++ if ((tmask & NXA_MOD_BCAST) &&
++ (nxi->v4_bcast.s_addr == addr))
++ goto out;
++ ret = 5;
+
-+ if (dir > 0)
-+ __rlim_inc(&vxi->limit, res);
-+ else
-+ __rlim_dec(&vxi->limit, res);
++ /* check for v4 addresses */
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
++ if (v4_addr_match(nxa, addr, tmask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
++ return ret;
+}
+
-+static inline void __vx_add_cres(struct vx_info *vxi,
-+ int res, int amount, void *_data, char *_file, int _line)
++static inline
++int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
+{
-+ if (VXD_RCRES_COND(res))
-+ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ amount, _data, _file, _line);
-+ if (amount == 0)
-+ return;
-+ if (!vxi)
-+ return;
-+ __rlim_add(&vxi->limit, res, amount);
++ /* FIXME: needs full range checks */
++ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
+}
+
+static inline
-+int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
+{
-+ int cond = (value > __rlim_rmax(limit, res));
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
+
-+ if (cond)
-+ __rlim_rmax(limit, res) = value;
-+ return cond;
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
++ if (v4_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
+}
+
++#include <net/inet_sock.h>
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
+static inline
-+int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++int v4_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ __be32 addr)
+{
-+ int cond = (value < __rlim_rmin(limit, res));
++ __be32 saddr = inet->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
+
-+ if (cond)
-+ __rlim_rmin(limit, res) = value;
-+ return cond;
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
+}
+
-+static inline
-+void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
-+{
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
-+}
+
++/* inet related checks and helpers */
+
-+/* return values:
-+ +1 ... no limit hit
-+ -1 ... over soft limit
-+ 0 ... over hard limit */
+
-+static inline int __vx_cres_avail(struct vx_info *vxi,
-+ int res, int num, char *_file, int _line)
-+{
-+ struct _vx_limit *limit;
-+ rlim_t value;
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
-+ if (VXD_RLIMIT_COND(res))
-+ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
-+ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ num, _file, _line);
-+ if (!vxi)
-+ return 1;
++#ifdef CONFIG_INET
+
-+ limit = &vxi->limit;
-+ value = __rlim_get(limit, res);
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
+
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
+
-+ if (num == 0)
-+ return 1;
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
+
-+ if (__rlim_soft(limit, res) == RLIM_INFINITY)
-+ return -1;
-+ if (value + num <= __rlim_soft(limit, res))
-+ return -1;
+
-+ if (__rlim_hard(limit, res) == RLIM_INFINITY)
-+ return 1;
-+ if (value + num <= __rlim_hard(limit, res))
-+ return 1;
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
+
-+ __rlim_hit(limit, res);
-+ return 0;
++static inline
++int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk->sk_rcv_saddr;
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
++ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (saddr) { /* direct address match */
++ return v4_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
+}
+
+
-+static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
+
+static inline
-+rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
+{
-+ rlim_t value, sum = 0;
-+ int res;
++ vxdprintk(VXD_CBIT(net, 1),
++ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
+
-+ while ((res = *array++)) {
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
-+ sum += value;
-+ }
-+ return sum;
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
+}
+
++
+static inline
-+rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
+{
-+ rlim_t value = __vx_cres_array_sum(limit, array + 1);
-+ int res = *array;
-+
-+ if (value == __rlim_get(limit, res))
-+ return value;
-+
-+ __rlim_set(limit, res, value);
-+ /* now adjust min/max */
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
-+
-+ return value;
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
+}
+
-+static inline int __vx_cres_array_avail(struct vx_info *vxi,
-+ const int *array, int num, char *_file, int _line)
++static inline
++int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
+{
-+ struct _vx_limit *limit;
-+ rlim_t value = 0;
-+ int res;
++ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
+
-+ if (num == 0)
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
+ return 1;
-+ if (!vxi)
++ if (v4_ifa_in_nx_info(ifa, nxi))
+ return 1;
-+
-+ limit = &vxi->limit;
-+ res = *array;
-+ value = __vx_cres_array_sum(limit, array + 1);
-+
-+ __rlim_set(limit, res, value);
-+ __vx_cres_fixup(limit, res, value);
-+
-+ return __vx_cres_avail(vxi, res, num, _file, _line);
++ return 0;
+}
+
+
-+static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
++
++static inline
++int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
++ struct nx_v4_sock_addr *nsa)
+{
-+ rlim_t value;
-+ int res;
++ struct sock *sk = &inet->sk;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = addr->sin_addr.s_addr;
++ __be32 baddr = saddr;
+
-+ /* complex resources first */
-+ if ((id < 0) || (id == RLIMIT_RSS))
-+ __vx_cres_array_fixup(limit, VLA_RSS);
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
++ sk, sk->sk_nx_info, sk->sk_socket,
++ (sk->sk_socket ? sk->sk_socket->flags : 0),
++ NIPQUAD(saddr));
+
-+ for (res = 0; res < NUM_LIMITS; res++) {
-+ if ((id > 0) && (res != id))
-+ continue;
++ if (nxi) {
++ if (saddr == INADDR_ANY) {
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
++ baddr = nxi->v4.ip[0].s_addr;
++ } else if (saddr == IPI_LOOPBACK) {
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ baddr = nxi->v4_lback.s_addr;
++ } else if (!ipv4_is_multicast(saddr) ||
++ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
++ /* normal address bind */
++ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
++ return -EADDRNOTAVAIL;
++ }
++ }
+
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
+
-+ /* not supposed to happen, maybe warn? */
-+ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
-+ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
-+ }
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
+}
+
++static inline
++void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
++{
++ inet->inet_saddr = nsa->baddr;
++ inet->inet_rcv_saddr = nsa->baddr;
++}
+
-+#endif /* _VSERVER_LIMIT_INT_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/monitor.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/monitor.h
---- linux-3.9.5/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/monitor.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,6 @@
-+#ifndef _VSERVER_MONITOR_H
-+#define _VSERVER_MONITOR_H
+
-+#include <uapi/vserver/monitor.h>
++/*
++ * helper to simplify inet_lookup_listener
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ * saddr: socket address
++ */
++static inline int v4_inet_addr_match (
++ struct nx_info *nxi,
++ __be32 addr,
++ __be32 saddr)
++{
++ if (addr && (saddr == addr))
++ return 1;
++ if (!saddr)
++ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
++ return 0;
++}
+
-+#endif /* _VSERVER_MONITOR_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/network.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/network.h
---- linux-3.9.5/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/network.h 2013-06-12 23:49:09.000000000 +0000
-@@ -0,0 +1,76 @@
-+#ifndef _VSERVER_NETWORK_H
-+#define _VSERVER_NETWORK_H
++static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
++{
++ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
++ (addr == nxi->v4_lback.s_addr))
++ return IPI_LOOPBACK;
++ return addr;
++}
+
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV4(nxi))
++ return 1;
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ return 1;
++ return 0;
++}
+
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
-+#include <linux/in.h>
-+#include <linux/in6.h>
-+#include <asm/atomic.h>
-+#include <uapi/vserver/network.h>
++#else /* CONFIG_INET */
+
-+struct nx_addr_v4 {
-+ struct nx_addr_v4 *next;
-+ struct in_addr ip[2];
-+ struct in_addr mask;
-+ uint16_t type;
-+ uint16_t flags;
-+};
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
-+struct nx_addr_v6 {
-+ struct nx_addr_v6 *next;
-+ struct in6_addr ip;
-+ struct in6_addr mask;
-+ uint32_t prefix;
-+ uint16_t type;
-+ uint16_t flags;
-+};
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
-+struct nx_info {
-+ struct hlist_node nx_hlist; /* linked list of nxinfos */
-+ vnid_t nx_id; /* vnet id */
-+ atomic_t nx_usecnt; /* usage count */
-+ atomic_t nx_tasks; /* tasks count */
-+ int nx_state; /* context state */
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
-+ uint64_t nx_flags; /* network flag word */
-+ uint64_t nx_ncaps; /* network capabilities */
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
+
-+ spinlock_t addr_lock; /* protect address changes */
-+ struct in_addr v4_lback; /* Loopback address */
-+ struct in_addr v4_bcast; /* Broadcast address */
-+ struct nx_addr_v4 v4; /* First/Single ipv4 address */
-+#ifdef CONFIG_IPV6
-+ struct nx_addr_v6 v6; /* First/Single ipv6 address */
-+#endif
-+ char nx_name[65]; /* network context name */
-+};
++#endif /* CONFIG_INET */
+
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
+
-+/* status flags */
++#else
++// #warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_limit.h linux-4.9.217-vs2.3.9.12/include/linux/vs_limit.h
+--- linux-4.9.217/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_limit.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
+
-+#define NXS_HASHED 0x0001
-+#define NXS_SHUTDOWN 0x0100
-+#define NXS_RELEASED 0x8000
++#include "vserver/limit.h"
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/context.h"
++#include "vserver/limit_int.h"
+
-+extern struct nx_info *lookup_nx_info(int);
+
-+extern int get_nid_list(int, unsigned int *, int);
-+extern int nid_is_hashed(vnid_t);
++#define vx_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
+
-+extern int nx_migrate_task(struct task_struct *, struct nx_info *);
++#define vx_acc_cres_cond(x, d, p, r) \
++ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, d, p, __FILE__, __LINE__)
+
-+extern long vs_net_change(struct nx_info *, unsigned int);
+
-+struct sock;
++#define vx_add_cres(v, a, p, r) \
++ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
+
++#define vx_add_cres_cond(x, a, p, r) \
++ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
+
-+#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
-+#ifdef CONFIG_IPV6
-+#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
-+#else
-+#define NX_IPV6(n) (0)
-+#endif
+
-+#endif /* _VSERVER_NETWORK_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/network_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/network_cmd.h
---- linux-3.9.5/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/network_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,37 @@
-+#ifndef _VSERVER_NETWORK_CMD_H
-+#define _VSERVER_NETWORK_CMD_H
++/* process and file limits */
+
-+#include <uapi/vserver/network_cmd.h>
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
+
-+extern int vc_task_nid(uint32_t);
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
+
-+extern int vc_nx_info(struct nx_info *, void __user *);
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
+
-+extern int vc_net_create(uint32_t, void __user *);
-+extern int vc_net_migrate(struct nx_info *, void __user *);
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
+
-+extern int vc_net_add(struct nx_info *, void __user *);
-+extern int vc_net_remove(struct nx_info *, void __user *);
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
+
-+extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
-+extern int vc_net_add_ipv4(struct nx_info *, void __user *);
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
+
-+extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
-+extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+extern int vc_net_add_ipv6(struct nx_info *, void __user *);
-+extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+extern int vc_add_match_ipv4(struct nx_info *, void __user *);
-+extern int vc_get_match_ipv4(struct nx_info *, void __user *);
+
-+extern int vc_add_match_ipv6(struct nx_info *, void __user *);
-+extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
+
-+extern int vc_get_nflags(struct nx_info *, void __user *);
-+extern int vc_set_nflags(struct nx_info *, void __user *);
+
-+extern int vc_get_ncaps(struct nx_info *, void __user *);
-+extern int vc_set_ncaps(struct nx_info *, void __user *);
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
+
-+#endif /* _VSERVER_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/percpu.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/percpu.h
---- linux-3.9.5/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/percpu.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,14 @@
-+#ifndef _VSERVER_PERCPU_H
-+#define _VSERVER_PERCPU_H
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
+
-+#include "cvirt_def.h"
-+#include "sched_def.h"
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
+
-+struct _vx_percpu {
-+ struct _vx_cvirt_pc cvirt;
-+ struct _vx_sched_pc sched;
-+};
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
+
-+#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
+
-+#endif /* _VSERVER_PERCPU_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/pid.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/pid.h
---- linux-3.9.5/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/pid.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,51 @@
-+#ifndef _VSERVER_PID_H
-+#define _VSERVER_PID_H
++/* dentry limits */
+
-+/* pid faking stuff */
++#define vx_dentry_inc(d) do { \
++ if (d_count(d) == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+#define vx_info_map_pid(v, p) \
-+ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
-+#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
-+#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
-+#define vx_map_tgid(p) vx_map_pid(p)
++#define vx_dentry_dec(d) do { \
++ if (d_count(d) == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
-+ const char *func, const char *file, int line)
-+{
-+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
-+ vxfprintk(VXD_CBIT(cvirt, 2),
-+ "vx_map_tgid: %p/%llx: %d -> %d",
-+ vxi, (long long)vxi->vx_flags, pid,
-+ (pid && pid == vxi->vx_initpid) ? 1 : pid,
-+ func, file, line);
-+ if (pid == 0)
-+ return 0;
-+ if (pid == vxi->vx_initpid)
-+ return 1;
-+ }
-+ return pid;
-+}
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
+
-+#define vx_info_rmap_pid(v, p) \
-+ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
-+#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
-+#define vx_rmap_tgid(p) vx_rmap_pid(p)
+
-+static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
-+ const char *func, const char *file, int line)
-+{
-+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
-+ vxfprintk(VXD_CBIT(cvirt, 2),
-+ "vx_rmap_tgid: %p/%llx: %d -> %d",
-+ vxi, (long long)vxi->vx_flags, pid,
-+ (pid == 1) ? vxi->vx_initpid : pid,
-+ func, file, line);
-+ if ((pid == 1) && vxi->vx_initpid)
-+ return vxi->vx_initpid;
-+ if (pid == vxi->vx_initpid)
-+ return ~0U;
-+ }
-+ return pid;
-+}
++/* socket limits */
+
-+#endif
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/sched.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched.h
---- linux-3.9.5/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,23 @@
-+#ifndef _VSERVER_SCHED_H
-+#define _VSERVER_SCHED_H
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
+
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
+
-+#ifdef __KERNEL__
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
+
-+struct timespec;
+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
++/* ipc resource limits */
+
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+struct vx_info;
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+void vx_update_load(struct vx_info *);
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
+
+
-+void vx_update_sched_param(struct _vx_sched *sched,
-+ struct _vx_sched_pc *sched_pc);
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
-+#endif /* __KERNEL__ */
-+#else /* _VSERVER_SCHED_H */
-+#warning duplicate inclusion
-+#endif /* _VSERVER_SCHED_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/sched_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched_cmd.h
---- linux-3.9.5/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,11 @@
-+#ifndef _VSERVER_SCHED_CMD_H
-+#define _VSERVER_SCHED_CMD_H
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
+
-+#include <linux/compiler.h>
-+#include <uapi/vserver/sched_cmd.h>
+
-+extern int vc_set_prio_bias(struct vx_info *, void __user *);
-+extern int vc_get_prio_bias(struct vx_info *, void __user *);
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
+
-+#endif /* _VSERVER_SCHED_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/sched_def.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched_def.h
---- linux-3.9.5/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/sched_def.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,38 @@
-+#ifndef _VSERVER_SCHED_DEF_H
-+#define _VSERVER_SCHED_DEF_H
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
+
-+#include <linux/spinlock.h>
-+#include <linux/jiffies.h>
-+#include <linux/cpumask.h>
-+#include <asm/atomic.h>
-+#include <asm/param.h>
+
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
-+/* context sub struct */
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
-+struct _vx_sched {
-+ int prio_bias; /* bias offset for priority */
+
-+ cpumask_t update; /* CPUs which should update */
-+};
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_network.h linux-4.9.217-vs2.3.9.12/include/linux/vs_network.h
+--- linux-4.9.217/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_network.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
+
-+struct _vx_sched_pc {
-+ int prio_bias; /* bias offset for priority */
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
+
-+ uint64_t user_ticks; /* token tick events */
-+ uint64_t sys_ticks; /* token tick events */
-+ uint64_t hold_ticks; /* token ticks paused */
-+};
++#include <linux/sched.h>
+
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
+
-+static inline void __dump_vx_sched(struct _vx_sched *sched)
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
+{
-+ printk("\t_vx_sched:\n");
-+ printk("\t priority = %4d\n", sched->prio_bias);
++ if (!nxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
+}
+
-+#endif
+
-+#endif /* _VSERVER_SCHED_DEF_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/signal.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/signal.h
---- linux-3.9.5/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/signal.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,14 @@
-+#ifndef _VSERVER_SIGNAL_H
-+#define _VSERVER_SIGNAL_H
++extern void free_nx_info(struct nx_info *);
+
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
+
-+#ifdef __KERNEL__
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
++{
++ if (!nxi)
++ return;
+
-+struct vx_info;
++ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
-+int vx_info_kill(struct vx_info *, int, int);
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
+
-+#endif /* __KERNEL__ */
-+#else /* _VSERVER_SIGNAL_H */
-+#warning duplicate inclusion
-+#endif /* _VSERVER_SIGNAL_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/signal_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/signal_cmd.h
---- linux-3.9.5/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/signal_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,14 @@
-+#ifndef _VSERVER_SIGNAL_CMD_H
-+#define _VSERVER_SIGNAL_CMD_H
+
-+#include <uapi/vserver/signal_cmd.h>
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
+
++static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (nxi) {
++ vxlprintk(VXD_CBIT(nid, 3),
++ "init_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
-+extern int vc_ctx_kill(struct vx_info *, void __user *);
-+extern int vc_wait_exit(struct vx_info *, void __user *);
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
+
+
-+extern int vc_get_pflags(uint32_t pid, void __user *);
-+extern int vc_set_pflags(uint32_t pid, void __user *);
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
+
-+#endif /* _VSERVER_SIGNAL_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/space.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/space.h
---- linux-3.9.5/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/space.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,12 @@
-+#ifndef _VSERVER_SPACE_H
-+#define _VSERVER_SPACE_H
-+
-+#include <linux/types.h>
-+
-+struct vx_info;
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
++ if (!nxi)
++ return;
+
-+#else /* _VSERVER_SPACE_H */
-+#warning duplicate inclusion
-+#endif /* _VSERVER_SPACE_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/space_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/space_cmd.h
---- linux-3.9.5/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/space_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,13 @@
-+#ifndef _VSERVER_SPACE_CMD_H
-+#define _VSERVER_SPACE_CMD_H
++ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
-+#include <uapi/vserver/space_cmd.h>
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
+
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
+
-+extern int vc_enter_space_v1(struct vx_info *, void __user *);
-+extern int vc_set_space_v1(struct vx_info *, void __user *);
-+extern int vc_enter_space(struct vx_info *, void __user *);
-+extern int vc_set_space(struct vx_info *, void __user *);
-+extern int vc_get_space_mask(void __user *, int);
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+#endif /* _VSERVER_SPACE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/switch.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/switch.h
---- linux-3.9.5/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/switch.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,8 @@
-+#ifndef _VSERVER_SWITCH_H
-+#define _VSERVER_SWITCH_H
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
+
++ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
++ nxo, nxo ? nxo->nx_id : 0,
++ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
++ _file, _line);
+
-+#include <linux/errno.h>
-+#include <uapi/vserver/switch.h>
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
+
-+#endif /* _VSERVER_SWITCH_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/tag.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/tag.h
---- linux-3.9.5/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/tag.h 2013-06-12 23:49:09.000000000 +0000
-@@ -0,0 +1,160 @@
-+#ifndef _DX_TAG_H
-+#define _DX_TAG_H
+
-+#include <linux/types.h>
-+#include <linux/uidgid.h>
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
+
++static inline void __claim_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi?atomic_read(&nxi->nx_usecnt):0,
++ nxi?atomic_read(&nxi->nx_tasks):0,
++ task, _file, _line);
+
-+#define DX_TAG(in) (IS_TAGGED(in))
++ atomic_inc(&nxi->nx_tasks);
++}
+
+
-+#ifdef CONFIG_TAG_NFSD
-+#define DX_TAG_NFSD 1
-+#else
-+#define DX_TAG_NFSD 0
-+#endif
++extern void unhash_nx_info(struct nx_info *);
+
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
+
-+#ifdef CONFIG_TAGGING_NONE
++static inline void __release_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ nxi ? atomic_read(&nxi->nx_tasks) : 0,
++ task, _file, _line);
+
-+#define MAX_UID 0xFFFFFFFF
-+#define MAX_GID 0xFFFFFFFF
++ might_sleep();
+
-+#define INOTAG_TAG(cond, uid, gid, tag) (0)
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
+
-+#define TAGINO_UID(cond, uid, tag) (uid)
-+#define TAGINO_GID(cond, gid, tag) (gid)
+
-+#endif
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
+
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
+
-+#ifdef CONFIG_TAGGING_GID16
++ task_lock(p);
++ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
++ p, _file, _line);
++ nxi = __get_nx_info(p->nx_info, _file, _line);
++ task_unlock(p);
++ return nxi;
++}
+
-+#define MAX_UID 0xFFFFFFFF
-+#define MAX_GID 0x0000FFFF
+
-+#define INOTAG_TAG(cond, uid, gid, tag) \
-+ ((cond) ? (((gid) >> 16) & 0xFFFF) : 0)
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
+
-+#define TAGINO_UID(cond, uid, tag) (uid)
-+#define TAGINO_GID(cond, gid, tag) \
-+ ((cond) ? (((gid) & 0xFFFF) | ((tag) << 16)) : (gid))
+
++#else
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_pid.h linux-4.9.217-vs2.3.9.12/include/linux/vs_pid.h
+--- linux-4.9.217/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_pid.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
+
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/pid.h"
++#include <linux/pid_namespace.h>
+
-+#ifdef CONFIG_TAGGING_ID24
-+
-+#define MAX_UID 0x00FFFFFF
-+#define MAX_GID 0x00FFFFFF
-+
-+#define INOTAG_TAG(cond, uid, gid, tag) \
-+ ((cond) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
+
-+#define TAGINO_UID(cond, uid, tag) \
-+ ((cond) ? (((uid) & 0xFFFFFF) | (((tag) & 0xFF00) << 16)) : (uid))
-+#define TAGINO_GID(cond, gid, tag) \
-+ ((cond) ? (((gid) & 0xFFFFFF) | (((tag) & 0x00FF) << 24)) : (gid))
++#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
+
-+#endif
++static inline
++int vx_proc_task_visible(struct task_struct *task)
++{
++ if ((task->pid == 1) &&
++ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
++ /* show a blend through init */
++ goto visible;
++ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
++ goto visible;
++ return 0;
++visible:
++ return 1;
++}
+
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
+
-+#ifdef CONFIG_TAGGING_UID16
+
-+#define MAX_UID 0x0000FFFF
-+#define MAX_GID 0xFFFFFFFF
++static inline
++struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
++{
++ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
+
-+#define INOTAG_TAG(cond, uid, gid, tag) \
-+ ((cond) ? (((uid) >> 16) & 0xFFFF) : 0)
++ if (task && !vx_proc_task_visible(task)) {
++ vxdprintk(VXD_CBIT(misc, 6),
++ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
++ task, task->xid, task->pid,
++ current, current->xid, current->pid);
++ put_task_struct(task);
++ task = NULL;
++ }
++ return task;
++}
+
-+#define TAGINO_UID(cond, uid, tag) \
-+ ((cond) ? (((uid) & 0xFFFF) | ((tag) << 16)) : (uid))
-+#define TAGINO_GID(cond, gid, tag) (gid)
+
++#else
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_sched.h linux-4.9.217-vs2.3.9.12/include/linux/vs_sched.h
+--- linux-4.9.217/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_sched.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
+
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
+
-+#ifdef CONFIG_TAGGING_INTERN
+
-+#define MAX_UID 0xFFFFFFFF
-+#define MAX_GID 0xFFFFFFFF
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
+
-+#define INOTAG_TAG(cond, uid, gid, tag) \
-+ ((cond) ? (tag) : 0)
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
+
-+#define TAGINO_UID(cond, uid, tag) (uid)
-+#define TAGINO_GID(cond, gid, tag) (gid)
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
+
-+#endif
++static inline void vx_account_user(struct vx_info *vxi,
++ cputime_t cputime, int nice)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).user_ticks += cputime;
++}
+
++static inline void vx_account_system(struct vx_info *vxi,
++ cputime_t cputime, int idle)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
++}
+
-+#ifndef CONFIG_TAGGING_NONE
-+#define dx_current_fstag(sb) \
-+ ((sb)->s_flags & MS_TAGGED ? dx_current_tag() : 0)
+#else
-+#define dx_current_fstag(sb) (0)
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_socket.h linux-4.9.217-vs2.3.9.12/include/linux/vs_socket.h
+--- linux-4.9.217/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_socket.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VS_SOCKET_H
++#define _VS_SOCKET_H
+
-+#ifndef CONFIG_TAGGING_INTERN
-+#define TAGINO_TAG(cond, tag) (0)
-+#else
-+#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
-+#endif
++#include "vserver/debug.h"
++#include "vserver/base.h"
++#include "vserver/cacct.h"
++#include "vserver/context.h"
++#include "vserver/tag.h"
+
-+#define TAGINO_KUID(cond, kuid, ktag) \
-+ KUIDT_INIT(TAGINO_UID(cond, __kuid_val(kuid), __ktag_val(ktag)))
-+#define TAGINO_KGID(cond, kgid, ktag) \
-+ KGIDT_INIT(TAGINO_GID(cond, __kgid_val(kgid), __ktag_val(ktag)))
-+#define TAGINO_KTAG(cond, ktag) \
-+ KTAGT_INIT(TAGINO_TAG(cond, __ktag_val(ktag)))
+
++/* socket accounting */
+
-+#define INOTAG_UID(cond, uid, gid) \
-+ ((cond) ? ((uid) & MAX_UID) : (uid))
-+#define INOTAG_GID(cond, uid, gid) \
-+ ((cond) ? ((gid) & MAX_GID) : (gid))
++#include <linux/socket.h>
+
-+#define INOTAG_KUID(cond, kuid, kgid) \
-+ KUIDT_INIT(INOTAG_UID(cond, __kuid_val(kuid), __kgid_val(kgid)))
-+#define INOTAG_KGID(cond, kuid, kgid) \
-+ KGIDT_INIT(INOTAG_GID(cond, __kuid_val(kuid), __kgid_val(kgid)))
-+#define INOTAG_KTAG(cond, kuid, kgid, ktag) \
-+ KTAGT_INIT(INOTAG_TAG(cond, \
-+ __kuid_val(kuid), __kgid_val(kgid), __ktag_val(ktag)))
-+
-+
-+static inline uid_t dx_map_uid(uid_t uid)
++static inline int vx_sock_type(int family)
+{
-+ if ((uid > MAX_UID) && (uid != -1))
-+ uid = -2;
-+ return (uid & MAX_UID);
++ switch (family) {
++ case PF_UNSPEC:
++ return VXA_SOCK_UNSPEC;
++ case PF_UNIX:
++ return VXA_SOCK_UNIX;
++ case PF_INET:
++ return VXA_SOCK_INET;
++ case PF_INET6:
++ return VXA_SOCK_INET6;
++ case PF_PACKET:
++ return VXA_SOCK_PACKET;
++ default:
++ return VXA_SOCK_OTHER;
++ }
+}
+
-+static inline gid_t dx_map_gid(gid_t gid)
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++
++static inline void __vx_acc_sock(struct vx_info *vxi,
++ int family, int pos, int size, char *file, int line)
+{
-+ if ((gid > MAX_GID) && (gid != -1))
-+ gid = -2;
-+ return (gid & MAX_GID);
++ if (vxi) {
++ int type = vx_sock_type(family);
++
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
+}
+
-+struct peer_tag {
-+ int32_t xid;
-+ int32_t nid;
-+};
++#define vx_sock_recv(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
++#define vx_sock_send(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
++#define vx_sock_fail(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
+
-+#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
+
-+int dx_parse_tag(char *string, vtag_t *tag, int remove, int *mnt_flags,
-+ unsigned long *flags);
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
+
-+#ifdef CONFIG_PROPAGATE
++#define sock_nx_init(s) do { \
++ (s)->sk_nid = 0; \
++ (s)->sk_nx_info = NULL; \
++ } while (0)
+
-+void __dx_propagate_tag(struct nameidata *nd, struct inode *inode);
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_tag.h linux-4.9.217-vs2.3.9.12/include/linux/vs_tag.h
+--- linux-4.9.217/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_tag.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_H
++
++#include <linux/vserver/tag.h>
++
++/* check conditions */
++
++#define DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
++
++#define DX_IDENT 0x0010
++
++#define DX_ARG_MASK 0x0010
++
++
++#define dx_task_tag(t) ((t)->tag)
++
++#define dx_current_tag() dx_task_tag(current)
++
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++
++#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __dx_check(vtag_t cid, vtag_t id, unsigned int mode)
++{
++ if (mode & DX_ARG_MASK) {
++ if ((mode & DX_IDENT) && (id == cid))
++ return 1;
++ }
++ return (((mode & DX_ADMIN) && (cid == 0)) ||
++ ((mode & DX_WATCH) && (cid == 1)) ||
++ ((mode & DX_HOSTID) && (id == 0)));
++}
++
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
+
-+#define dx_propagate_tag(n, i) __dx_propagate_tag(n, i)
+
+#else
-+#define dx_propagate_tag(n, i) do { } while (0)
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.9.217/include/linux/vs_time.h linux-4.9.217-vs2.3.9.12/include/linux/vs_time.h
+--- linux-4.9.217/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/linux/vs_time.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,21 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
+
-+#endif /* _DX_TAG_H */
-diff -NurpP --minimal linux-3.9.5/include/linux/vserver/tag_cmd.h linux-3.9.5-vs2.3.6.5/include/linux/vserver/tag_cmd.h
---- linux-3.9.5/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/linux/vserver/tag_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,10 @@
-+#ifndef _VSERVER_TAG_CMD_H
-+#define _VSERVER_TAG_CMD_H
+
-+#include <uapi/vserver/tag_cmd.h>
++/* time faking stuff */
+
-+extern int vc_task_tag(uint32_t);
++#ifdef CONFIG_VSERVER_VTIME
+
-+extern int vc_tag_migrate(uint32_t);
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
++extern int vx_settimeofday64(const struct timespec64 *ts);
+
-+#endif /* _VSERVER_TAG_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/net/addrconf.h linux-3.9.5-vs2.3.6.5/include/net/addrconf.h
---- linux-3.9.5/include/net/addrconf.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/addrconf.h 2013-05-31 17:17:53.000000000 +0000
-@@ -85,7 +85,8 @@ extern int ipv6_dev_get_saddr(struct n
- const struct net_device *dev,
- const struct in6_addr *daddr,
- unsigned int srcprefs,
-- struct in6_addr *saddr);
-+ struct in6_addr *saddr,
-+ struct nx_info *nxi);
- extern int ipv6_get_lladdr(struct net_device *dev,
- struct in6_addr *addr,
- unsigned char banned_flags);
-diff -NurpP --minimal linux-3.9.5/include/net/af_unix.h linux-3.9.5-vs2.3.6.5/include/net/af_unix.h
---- linux-3.9.5/include/net/af_unix.h 2013-02-19 13:58:52.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/af_unix.h 2013-05-31 17:17:53.000000000 +0000
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#define vx_settimeofday64(t) do_settimeofday64(t)
++#endif
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.9.217/include/net/addrconf.h linux-4.9.217-vs2.3.9.12/include/net/addrconf.h
+--- linux-4.9.217/include/net/addrconf.h 2020-03-27 00:51:41.560167763 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/addrconf.h 2018-10-20 04:58:14.000000000 +0000
+@@ -85,7 +85,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(str
+
+ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dev,
+ const struct in6_addr *daddr, unsigned int srcprefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr, struct nx_info *nxi);
+ int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
+ u32 banned_flags);
+ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
+diff -NurpP --minimal linux-4.9.217/include/net/af_unix.h linux-4.9.217-vs2.3.9.12/include/net/af_unix.h
+--- linux-4.9.217/include/net/af_unix.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/af_unix.h 2018-10-20 04:58:14.000000000 +0000
@@ -4,6 +4,7 @@
#include <linux/socket.h>
#include <linux/un.h>
#include <linux/mutex.h>
-+#include <linux/vs_base.h>
++// #include <linux/vs_base.h>
#include <net/sock.h>
- extern void unix_inflight(struct file *fp);
-diff -NurpP --minimal linux-3.9.5/include/net/inet_timewait_sock.h linux-3.9.5-vs2.3.6.5/include/net/inet_timewait_sock.h
---- linux-3.9.5/include/net/inet_timewait_sock.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/inet_timewait_sock.h 2013-05-31 17:18:34.000000000 +0000
-@@ -116,6 +116,10 @@ struct inet_timewait_sock {
- #define tw_dport __tw_common.skc_dport
+ void unix_inflight(struct user_struct *user, struct file *fp);
+diff -NurpP --minimal linux-4.9.217/include/net/inet_timewait_sock.h linux-4.9.217-vs2.3.9.12/include/net/inet_timewait_sock.h
+--- linux-4.9.217/include/net/inet_timewait_sock.h 2020-03-27 00:51:41.750164768 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/inet_timewait_sock.h 2018-10-20 04:58:14.000000000 +0000
+@@ -72,6 +72,10 @@ struct inet_timewait_sock {
#define tw_num __tw_common.skc_num
- #define tw_portpair __tw_common.skc_portpair
+ #define tw_cookie __tw_common.skc_cookie
+ #define tw_dr __tw_common.skc_tw_dr
+#define tw_xid __tw_common.skc_xid
+#define tw_vx_info __tw_common.skc_vx_info
+#define tw_nid __tw_common.skc_nid
int tw_timeout;
volatile unsigned char tw_substate;
-diff -NurpP --minimal linux-3.9.5/include/net/ip6_route.h linux-3.9.5-vs2.3.6.5/include/net/ip6_route.h
---- linux-3.9.5/include/net/ip6_route.h 2013-05-31 13:45:28.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/ip6_route.h 2013-05-31 17:17:53.000000000 +0000
-@@ -95,7 +95,8 @@ extern int ip6_route_get_saddr(struct
- struct rt6_info *rt,
- const struct in6_addr *daddr,
- unsigned int prefs,
-- struct in6_addr *saddr);
-+ struct in6_addr *saddr,
-+ struct nx_info *nxi);
-
- extern struct rt6_info *rt6_lookup(struct net *net,
- const struct in6_addr *daddr,
-diff -NurpP --minimal linux-3.9.5/include/net/route.h linux-3.9.5-vs2.3.6.5/include/net/route.h
---- linux-3.9.5/include/net/route.h 2013-02-19 13:58:52.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/route.h 2013-05-31 17:17:53.000000000 +0000
-@@ -207,6 +207,9 @@ static inline void ip_rt_put(struct rtab
+diff -NurpP --minimal linux-4.9.217/include/net/ip6_route.h linux-4.9.217-vs2.3.9.12/include/net/ip6_route.h
+--- linux-4.9.217/include/net/ip6_route.h 2020-03-27 00:51:41.750164768 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/ip6_route.h 2018-10-20 04:58:14.000000000 +0000
+@@ -26,6 +26,7 @@ struct route_info {
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
+ #include <linux/route.h>
++#include <linux/vs_inet6.h>
+
+ #define RT6_LOOKUP_F_IFACE 0x00000001
+ #define RT6_LOOKUP_F_REACHABLE 0x00000002
+@@ -98,17 +99,19 @@ int ip6_del_rt(struct rt6_info *);
+ static inline int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev =
+ rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL;
+ int err = 0;
+
+- if (rt && rt->rt6i_prefsrc.plen)
++ if (rt && rt->rt6i_prefsrc.plen && (!nxi ||
++ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+- daddr, prefs, saddr);
++ daddr, prefs, saddr, nxi);
+
+ return err;
+ }
+diff -NurpP --minimal linux-4.9.217/include/net/route.h linux-4.9.217-vs2.3.9.12/include/net/route.h
+--- linux-4.9.217/include/net/route.h 2020-03-27 00:51:41.900162405 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/route.h 2018-10-20 04:58:14.000000000 +0000
+@@ -226,6 +226,9 @@ static inline void ip_rt_put(struct rtab
dst_release(&rt->dst);
}
#define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
extern const __u8 ip_tos2prio[16];
-@@ -256,6 +259,9 @@ static inline void ip_route_connect_init
+@@ -273,6 +276,9 @@ static inline void ip_route_connect_init
protocol, flow_flags, dst, src, dport, sport);
}
static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
__be32 dst, __be32 src, u32 tos,
int oif, u8 protocol,
-@@ -264,11 +270,25 @@ static inline struct rtable *ip_route_co
+@@ -281,11 +287,25 @@ static inline struct rtable *ip_route_co
{
struct net *net = sock_net(sk);
struct rtable *rt;
+ struct nx_info *nx_info = current_nx_info();
ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
- sport, dport, sk, can_sleep);
+ sport, dport, sk);
- if (!dst || !src) {
+ if (sk)
rt = __ip_route_output_key(net, fl4);
if (IS_ERR(rt))
return rt;
-diff -NurpP --minimal linux-3.9.5/include/net/sock.h linux-3.9.5-vs2.3.6.5/include/net/sock.h
---- linux-3.9.5/include/net/sock.h 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/net/sock.h 2013-06-12 23:49:09.000000000 +0000
-@@ -191,6 +191,10 @@ struct sock_common {
- #ifdef CONFIG_NET_NS
- struct net *skc_net;
+diff -NurpP --minimal linux-4.9.217/include/net/sock.h linux-4.9.217-vs2.3.9.12/include/net/sock.h
+--- linux-4.9.217/include/net/sock.h 2020-03-27 00:51:41.960161456 +0000
++++ linux-4.9.217-vs2.3.9.12/include/net/sock.h 2020-04-01 09:40:32.325403988 +0000
+@@ -187,6 +187,10 @@ struct sock_common {
+ struct in6_addr skc_v6_daddr;
+ struct in6_addr skc_v6_rcv_saddr;
#endif
+ vxid_t skc_xid;
+ struct vx_info *skc_vx_info;
+ vnid_t skc_nid;
+ struct nx_info *skc_nx_info;
- /*
- * fields between dontcopy_begin/dontcopy_end
- * are not copied in sock_copy()
-@@ -304,6 +308,10 @@ struct sock {
- #define sk_bind_node __sk_common.skc_bind_node
+
+ atomic64_t skc_cookie;
+
+@@ -337,8 +341,12 @@ struct sock {
#define sk_prot __sk_common.skc_prot
#define sk_net __sk_common.skc_net
+ #define sk_v6_daddr __sk_common.skc_v6_daddr
+-#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
++#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
+ #define sk_cookie __sk_common.skc_cookie
+#define sk_xid __sk_common.skc_xid
+#define sk_vx_info __sk_common.skc_vx_info
+#define sk_nid __sk_common.skc_nid
+#define sk_nx_info __sk_common.skc_nx_info
- socket_lock_t sk_lock;
- struct sk_buff_head sk_receive_queue;
- /*
-diff -NurpP --minimal linux-3.9.5/include/uapi/Kbuild linux-3.9.5-vs2.3.6.5/include/uapi/Kbuild
---- linux-3.9.5/include/uapi/Kbuild 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/Kbuild 2013-05-31 14:47:11.000000000 +0000
-@@ -12,3 +12,4 @@ header-y += video/
- header-y += drm/
+ #define sk_incoming_cpu __sk_common.skc_incoming_cpu
+ #define sk_flags __sk_common.skc_flags
+ #define sk_rxhash __sk_common.skc_rxhash
+diff -NurpP --minimal linux-4.9.217/include/uapi/Kbuild linux-4.9.217-vs2.3.9.12/include/uapi/Kbuild
+--- linux-4.9.217/include/uapi/Kbuild 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/Kbuild 2018-10-20 04:58:14.000000000 +0000
+@@ -13,3 +13,4 @@ header-y += drm/
header-y += xen/
header-y += scsi/
+ header-y += misc/
+header-y += vserver/
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/capability.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/capability.h
---- linux-3.9.5/include/uapi/linux/capability.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/capability.h 2013-05-31 14:47:11.000000000 +0000
-@@ -259,6 +259,7 @@ struct vfs_cap_data {
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/btrfs_tree.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/btrfs_tree.h
+--- linux-4.9.217/include/uapi/linux/btrfs_tree.h 2020-03-27 00:51:42.430154051 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/btrfs_tree.h 2019-02-22 08:37:55.713049558 +0000
+@@ -564,11 +564,14 @@ struct btrfs_inode_item {
+ /* modification sequence number for NFS */
+ __le64 sequence;
+
++ __le16 tag;
+ /*
+ * a little future expansion, for more than this we can
+ * just grow the inode item and version it
+ */
+- __le64 reserved[4];
++ __le16 reserved16;
++ __le32 reserved32;
++ __le64 reserved[3];
+ struct btrfs_timespec atime;
+ struct btrfs_timespec ctime;
+ struct btrfs_timespec mtime;
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/capability.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/capability.h
+--- linux-4.9.217/include/uapi/linux/capability.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/capability.h 2018-10-20 04:58:14.000000000 +0000
+@@ -257,6 +257,7 @@ struct vfs_cap_data {
arbitrary SCSI commands */
/* Allow setting encryption key on loopback filesystem */
/* Allow setting zone reclaim policy */
#define CAP_SYS_ADMIN 21
-@@ -345,7 +346,12 @@ struct vfs_cap_data {
+@@ -352,7 +353,12 @@ struct vfs_cap_data {
- #define CAP_LAST_CAP CAP_BLOCK_SUSPEND
+ #define CAP_LAST_CAP CAP_AUDIT_READ
-#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
+/* Allow context manipulations */
/*
* Bit location of each capability (used by user-space library and kernel)
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/fs.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/fs.h
---- linux-3.9.5/include/uapi/linux/fs.h 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/fs.h 2013-05-31 23:07:43.000000000 +0000
-@@ -86,6 +86,9 @@ struct inodes_stat_t {
- #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/fs.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/fs.h
+--- linux-4.9.217/include/uapi/linux/fs.h 2020-03-27 00:51:42.450153736 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/fs.h 2018-10-20 04:58:14.000000000 +0000
+@@ -130,6 +130,9 @@ struct inodes_stat_t {
#define MS_I_VERSION (1<<23) /* Update inode I_version field */
#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
+ #define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */
+#define MS_TAGGED (1<<8) /* use generic inode tagging */
+#define MS_NOTAGCHECK (1<<9) /* don't check tags */
-+#define MS_TAGID (1<<25) /* use specific tag for this mount */
++#define MS_TAGID (1<<26) /* use specific tag for this mount */
/* These sb flags are internal to the kernel */
- #define MS_SNAP_STABLE (1<<27) /* Snapshot pages during writeback, if needed */
-@@ -192,11 +195,14 @@ struct inodes_stat_t {
- #define FS_EXTENT_FL 0x00080000 /* Extents */
- #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
+ #define MS_SUBMOUNT (1<<26)
+@@ -313,13 +316,16 @@ struct fscrypt_policy {
+ #define FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+ #define FS_EOFBLOCKS_FL 0x00400000 /* Reserved for ext4 */
#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
+#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define FS_INLINE_DATA_FL 0x10000000 /* Reserved for ext4 */
+ #define FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
#define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
#define SYNC_FILE_RANGE_WAIT_BEFORE 1
#define SYNC_FILE_RANGE_WRITE 2
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/gfs2_ondisk.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/gfs2_ondisk.h
---- linux-3.9.5/include/uapi/linux/gfs2_ondisk.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/gfs2_ondisk.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/gfs2_ondisk.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/gfs2_ondisk.h
+--- linux-4.9.217/include/uapi/linux/gfs2_ondisk.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/gfs2_ondisk.h 2018-10-20 04:58:14.000000000 +0000
@@ -225,6 +225,9 @@ enum {
gfs2fl_Sync = 8,
gfs2fl_System = 9,
#define GFS2_DIF_TRUNC_IN_PROG 0x20000000 /* New in gfs2 */
#define GFS2_DIF_INHERIT_DIRECTIO 0x40000000 /* only in gfs1 */
#define GFS2_DIF_INHERIT_JDATA 0x80000000
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/if_tun.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/if_tun.h
---- linux-3.9.5/include/uapi/linux/if_tun.h 2013-02-19 13:58:55.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/if_tun.h 2013-05-31 15:00:16.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/if_tun.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/if_tun.h
+--- linux-4.9.217/include/uapi/linux/if_tun.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/if_tun.h 2018-10-20 04:58:14.000000000 +0000
@@ -56,6 +56,7 @@
- #define TUNGETVNETHDRSZ _IOR('T', 215, int)
- #define TUNSETVNETHDRSZ _IOW('T', 216, int)
- #define TUNSETQUEUE _IOW('T', 217, int)
-+#define TUNSETNID _IOW('T', 218, int)
+ */
+ #define TUNSETVNETBE _IOW('T', 222, int)
+ #define TUNGETVNETBE _IOR('T', 223, int)
++#define TUNSETNID _IOW('T', 224, int)
/* TUNSETIFF ifr flags */
#define IFF_TUN 0x0001
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/major.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/major.h
---- linux-3.9.5/include/uapi/linux/major.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/major.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/major.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/major.h
+--- linux-4.9.217/include/uapi/linux/major.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/major.h 2018-10-20 04:58:14.000000000 +0000
@@ -15,6 +15,7 @@
#define HD_MAJOR IDE0_MAJOR
#define PTY_SLAVE_MAJOR 3
#define TTYAUX_MAJOR 5
#define LP_MAJOR 6
#define VCS_MAJOR 7
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/nfs_mount.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/nfs_mount.h
---- linux-3.9.5/include/uapi/linux/nfs_mount.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/nfs_mount.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/nfs_mount.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/nfs_mount.h
+--- linux-4.9.217/include/uapi/linux/nfs_mount.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/nfs_mount.h 2018-10-20 04:58:14.000000000 +0000
@@ -63,7 +63,8 @@ struct nfs_mount_data {
- #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
+ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */
#define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
#define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
-#define NFS_MOUNT_FLAGMASK 0xFFFF
/* The following are for internal use only */
#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/reboot.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/reboot.h
---- linux-3.9.5/include/uapi/linux/reboot.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/reboot.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/reboot.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/reboot.h
+--- linux-4.9.217/include/uapi/linux/reboot.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/reboot.h 2018-10-20 04:58:14.000000000 +0000
@@ -33,7 +33,7 @@
#define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
#define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
#endif /* _UAPI_LINUX_REBOOT_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/linux/sysctl.h linux-3.9.5-vs2.3.6.5/include/uapi/linux/sysctl.h
---- linux-3.9.5/include/uapi/linux/sysctl.h 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/linux/sysctl.h 2013-05-31 14:47:11.000000000 +0000
-@@ -60,6 +60,7 @@ enum
+diff -NurpP --minimal linux-4.9.217/include/uapi/linux/sysctl.h linux-4.9.217-vs2.3.9.12/include/uapi/linux/sysctl.h
+--- linux-4.9.217/include/uapi/linux/sysctl.h 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/linux/sysctl.h 2018-10-20 04:58:14.000000000 +0000
+@@ -58,6 +58,7 @@ enum
CTL_ABI=9, /* Binary emulation */
CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
CTL_ARLAN=254, /* arlan wireless driver */
CTL_S390DBF=5677, /* s390 debug */
CTL_SUNRPC=7249, /* sunrpc debug */
CTL_PM=9899, /* frv power management */
-@@ -94,6 +95,7 @@ enum
+@@ -92,6 +93,7 @@ enum
KERN_PANIC=15, /* int: panic timeout */
KERN_REALROOTDEV=16, /* real root device to mount after initrd */
KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/Kbuild linux-3.9.5-vs2.3.6.5/include/uapi/vserver/Kbuild
---- linux-3.9.5/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/Kbuild 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,9 @@
-+
-+header-y += context_cmd.h network_cmd.h space_cmd.h \
-+ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
-+ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
-+ debug_cmd.h device_cmd.h
-+
-+header-y += switch.h context.h network.h monitor.h \
-+ limit.h inode.h device.h
-+
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/cacct_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/cacct_cmd.h
---- linux-3.9.5/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/cacct_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/cacct_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/cacct_cmd.h
+--- linux-4.9.217/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/cacct_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,15 @@
+#ifndef _UAPI_VS_CACCT_CMD_H
+#define _UAPI_VS_CACCT_CMD_H
+};
+
+#endif /* _UAPI_VS_CACCT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/context.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/context.h
---- linux-3.9.5/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/context.h 2013-05-31 19:44:13.000000000 +0000
-@@ -0,0 +1,81 @@
-+#ifndef _UAPI_VS_CONTEXT_H
-+#define _UAPI_VS_CONTEXT_H
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/context_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/context_cmd.h
+--- linux-4.9.217/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/context_cmd.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,115 @@
++#ifndef _UAPI_VS_CONTEXT_CMD_H
++#define _UAPI_VS_CONTEXT_CMD_H
+
-+#include <linux/types.h>
-+#include <linux/capability.h>
+
++/* vinfo commands */
+
-+/* context flags */
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
+
-+#define VXF_INFO_SCHED 0x00000002
-+#define VXF_INFO_NPROC 0x00000004
-+#define VXF_INFO_PRIVATE 0x00000008
+
-+#define VXF_INFO_INIT 0x00000010
-+#define VXF_INFO_HIDE 0x00000020
-+#define VXF_INFO_ULIMIT 0x00000040
-+#define VXF_INFO_NSPACE 0x00000080
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
+
-+#define VXF_SCHED_HARD 0x00000100
-+#define VXF_SCHED_PRIO 0x00000200
-+#define VXF_SCHED_PAUSE 0x00000400
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
+
-+#define VXF_VIRT_MEM 0x00010000
-+#define VXF_VIRT_UPTIME 0x00020000
-+#define VXF_VIRT_CPU 0x00040000
-+#define VXF_VIRT_LOAD 0x00080000
-+#define VXF_VIRT_TIME 0x00100000
+
-+#define VXF_HIDE_MOUNT 0x01000000
-+/* was VXF_HIDE_NETIF 0x02000000 */
-+#define VXF_HIDE_VINFO 0x04000000
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
+
-+#define VXF_STATE_SETUP (1ULL << 32)
-+#define VXF_STATE_INIT (1ULL << 33)
-+#define VXF_STATE_ADMIN (1ULL << 34)
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
+
-+#define VXF_SC_HELPER (1ULL << 36)
-+#define VXF_REBOOT_KILL (1ULL << 37)
-+#define VXF_PERSISTENT (1ULL << 38)
+
-+#define VXF_FORK_RSS (1ULL << 48)
-+#define VXF_PROLIFIC (1ULL << 49)
++/* context commands */
+
-+#define VXF_IGNEG_NICE (1ULL << 52)
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
+
-+#define VXF_ONE_TIME (0x0007ULL << 32)
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
+
-+#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
+
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
+
-+/* context migration */
+
-+#define VXM_SET_INIT 0x00000001
-+#define VXM_SET_REAPER 0x00000002
+
-+/* context caps */
++/* flag commands */
+
-+#define VXC_SET_UTSNAME 0x00000001
-+#define VXC_SET_RLIMIT 0x00000002
-+#define VXC_FS_SECURITY 0x00000004
-+#define VXC_FS_TRUSTED 0x00000008
-+#define VXC_TIOCSTI 0x00000010
-+
-+/* was VXC_RAW_ICMP 0x00000100 */
-+#define VXC_SYSLOG 0x00001000
-+#define VXC_OOM_ADJUST 0x00002000
-+#define VXC_AUDIT_CONTROL 0x00004000
-+
-+/* #define VXC_SECURE_MOUNT 0x00010000
-+#define VXC_SECURE_REMOUNT 0x00020000 */
-+#define VXC_BINARY_MOUNT 0x00040000
-+#define VXC_DEV_MOUNT 0x00080000
-+
-+#define VXC_QUOTA_CTL 0x00100000
-+#define VXC_ADMIN_MAPPER 0x00200000
-+#define VXC_ADMIN_CLOOP 0x00400000
-+
-+#define VXC_KTHREAD 0x01000000
-+#define VXC_NAMESPACE 0x02000000
-+
-+#endif /* _UAPI_VS_CONTEXT_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/context_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/context_cmd.h
---- linux-3.9.5/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/context_cmd.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,115 @@
-+#ifndef _UAPI_VS_CONTEXT_CMD_H
-+#define _UAPI_VS_CONTEXT_CMD_H
-+
-+
-+/* vinfo commands */
-+
-+#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
-+
-+
-+#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
-+
-+struct vcmd_vx_info_v0 {
-+ uint32_t xid;
-+ uint32_t initpid;
-+ /* more to come */
-+};
-+
-+
-+#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
-+
-+struct vcmd_ctx_stat_v0 {
-+ uint32_t usecnt;
-+ uint32_t tasks;
-+ /* more to come */
-+};
-+
-+
-+/* context commands */
-+
-+#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
-+#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
-+
-+struct vcmd_ctx_create {
-+ uint64_t flagword;
-+};
-+
-+#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
-+#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
-+
-+struct vcmd_ctx_migrate {
-+ uint64_t flagword;
-+};
-+
-+
-+
-+/* flag commands */
-+
-+#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
-+#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
+
+struct vcmd_ctx_flags_v0 {
+ uint64_t flagword;
+};
+
+#endif /* _UAPI_VS_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/cvirt_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/cvirt_cmd.h
---- linux-3.9.5/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/cvirt_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/context.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/context.h
+--- linux-4.9.217/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/context.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,81 @@
++#ifndef _UAPI_VS_CONTEXT_H
++#define _UAPI_VS_CONTEXT_H
++
++#include <linux/types.h>
++#include <linux/capability.h>
++
++
++/* context flags */
++
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
++
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
++
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
++
++#define VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
++
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
++
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
++
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
++
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
++
++#define VXF_IGNEG_NICE (1ULL << 52)
++
++#define VXF_ONE_TIME (0x0007ULL << 32)
++
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++
++
++/* context migration */
++
++#define VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
++
++/* context caps */
++
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
++
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
++
++#define VXC_SECURE_MOUNT 0x00010000
++/* #define VXC_SECURE_REMOUNT 0x00020000 */
++#define VXC_BINARY_MOUNT 0x00040000
++#define VXC_DEV_MOUNT 0x00080000
++
++#define VXC_QUOTA_CTL 0x00100000
++#define VXC_ADMIN_MAPPER 0x00200000
++#define VXC_ADMIN_CLOOP 0x00400000
++
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
++
++#endif /* _UAPI_VS_CONTEXT_H */
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/cvirt_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/cvirt_cmd.h
+--- linux-4.9.217/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/cvirt_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,41 @@
+#ifndef _UAPI_VS_CVIRT_CMD_H
+#define _UAPI_VS_CVIRT_CMD_H
+};
+
+#endif /* _UAPI_VS_CVIRT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/debug_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/debug_cmd.h
---- linux-3.9.5/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/debug_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/debug_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/debug_cmd.h
+--- linux-4.9.217/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/debug_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,24 @@
+#ifndef _UAPI_VS_DEBUG_CMD_H
+#define _UAPI_VS_DEBUG_CMD_H
+};
+
+#endif /* _UAPI_VS_DEBUG_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/device.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/device.h
---- linux-3.9.5/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/device.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,12 @@
-+#ifndef _UAPI_VS_DEVICE_H
-+#define _UAPI_VS_DEVICE_H
-+
-+
-+#define DATTR_CREATE 0x00000001
-+#define DATTR_OPEN 0x00000002
-+
-+#define DATTR_REMAP 0x00000010
-+
-+#define DATTR_MASK 0x00000013
-+
-+#endif /* _UAPI_VS_DEVICE_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/device_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/device_cmd.h
---- linux-3.9.5/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/device_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/device_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/device_cmd.h
+--- linux-4.9.217/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/device_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,16 @@
+#ifndef _UAPI_VS_DEVICE_CMD_H
+#define _UAPI_VS_DEVICE_CMD_H
+};
+
+#endif /* _UAPI_VS_DEVICE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/dlimit_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/dlimit_cmd.h
---- linux-3.9.5/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/dlimit_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/device.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/device.h
+--- linux-4.9.217/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/device.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _UAPI_VS_DEVICE_H
++#define _UAPI_VS_DEVICE_H
++
++
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
++
++#define DATTR_REMAP 0x00000010
++
++#define DATTR_MASK 0x00000013
++
++#endif /* _UAPI_VS_DEVICE_H */
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/dlimit_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/dlimit_cmd.h
+--- linux-4.9.217/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/dlimit_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,67 @@
+#ifndef _UAPI_VS_DLIMIT_CMD_H
+#define _UAPI_VS_DLIMIT_CMD_H
+}
+
+#endif /* _UAPI_VS_DLIMIT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/inode.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/inode.h
---- linux-3.9.5/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/inode.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,23 @@
-+#ifndef _UAPI_VS_INODE_H
-+#define _UAPI_VS_INODE_H
-+
-+
-+#define IATTR_TAG 0x01000000
-+
-+#define IATTR_ADMIN 0x00000001
-+#define IATTR_WATCH 0x00000002
-+#define IATTR_HIDE 0x00000004
-+#define IATTR_FLAGS 0x00000007
-+
-+#define IATTR_BARRIER 0x00010000
-+#define IATTR_IXUNLINK 0x00020000
-+#define IATTR_IMMUTABLE 0x00040000
-+#define IATTR_COW 0x00080000
-+
-+
-+/* inode ioctls */
-+
-+#define FIOC_GETXFLG _IOR('x', 5, long)
-+#define FIOC_SETXFLG _IOW('x', 6, long)
-+
-+#endif /* _UAPI_VS_INODE_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/inode_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/inode_cmd.h
---- linux-3.9.5/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/inode_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/inode_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/inode_cmd.h
+--- linux-4.9.217/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/inode_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,26 @@
+#ifndef _UAPI_VS_INODE_CMD_H
+#define _UAPI_VS_INODE_CMD_H
+};
+
+#endif /* _UAPI_VS_INODE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/limit.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/limit.h
---- linux-3.9.5/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/limit.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,14 @@
-+#ifndef _UAPI_VS_LIMIT_H
-+#define _UAPI_VS_LIMIT_H
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/inode.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/inode.h
+--- linux-4.9.217/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/inode.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _UAPI_VS_INODE_H
++#define _UAPI_VS_INODE_H
+
+
-+#define VLIMIT_NSOCK 16
-+#define VLIMIT_OPENFD 17
-+#define VLIMIT_ANON 18
-+#define VLIMIT_SHMEM 19
-+#define VLIMIT_SEMARY 20
-+#define VLIMIT_NSEMS 21
-+#define VLIMIT_DENTRY 22
-+#define VLIMIT_MAPPED 23
++#define IATTR_TAG 0x01000000
+
-+#endif /* _UAPI_VS_LIMIT_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/limit_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/limit_cmd.h
---- linux-3.9.5/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/limit_cmd.h 2013-05-31 14:47:11.000000000 +0000
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
++
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
++
++
++/* inode ioctls */
++
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
++
++#endif /* _UAPI_VS_INODE_H */
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/Kbuild linux-4.9.217-vs2.3.9.12/include/uapi/vserver/Kbuild
+--- linux-4.9.217/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/Kbuild 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,9 @@
++
++header-y += context_cmd.h network_cmd.h space_cmd.h \
++ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
++ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
++ debug_cmd.h device_cmd.h
++
++header-y += switch.h context.h network.h monitor.h \
++ limit.h inode.h device.h
++
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/limit_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/limit_cmd.h
+--- linux-4.9.217/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/limit_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,40 @@
+#ifndef _UAPI_VS_LIMIT_CMD_H
+#define _UAPI_VS_LIMIT_CMD_H
+#define CRLIM_KEEP (~1ULL)
+
+#endif /* _UAPI_VS_LIMIT_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/monitor.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/monitor.h
---- linux-3.9.5/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/monitor.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/limit.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/limit.h
+--- linux-4.9.217/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/limit.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_LIMIT_H
++#define _UAPI_VS_LIMIT_H
++
++
++#define VLIMIT_NSOCK 16
++#define VLIMIT_OPENFD 17
++#define VLIMIT_ANON 18
++#define VLIMIT_SHMEM 19
++#define VLIMIT_SEMARY 20
++#define VLIMIT_NSEMS 21
++#define VLIMIT_DENTRY 22
++#define VLIMIT_MAPPED 23
++
++#endif /* _UAPI_VS_LIMIT_H */
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/monitor.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/monitor.h
+--- linux-4.9.217/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/monitor.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,96 @@
+#ifndef _UAPI_VS_MONITOR_H
+#define _UAPI_VS_MONITOR_H
+};
+
+#endif /* _UAPI_VS_MONITOR_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/network.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/network.h
---- linux-3.9.5/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/network.h 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,76 @@
-+#ifndef _UAPI_VS_NETWORK_H
-+#define _UAPI_VS_NETWORK_H
-+
-+#include <linux/types.h>
-+
-+
-+#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
-+
-+
-+/* network flags */
-+
-+#define NXF_INFO_PRIVATE 0x00000008
-+
-+#define NXF_SINGLE_IP 0x00000100
-+#define NXF_LBACK_REMAP 0x00000200
-+#define NXF_LBACK_ALLOW 0x00000400
-+
-+#define NXF_HIDE_NETIF 0x02000000
-+#define NXF_HIDE_LBACK 0x04000000
-+
-+#define NXF_STATE_SETUP (1ULL << 32)
-+#define NXF_STATE_ADMIN (1ULL << 34)
-+
-+#define NXF_SC_HELPER (1ULL << 36)
-+#define NXF_PERSISTENT (1ULL << 38)
-+
-+#define NXF_ONE_TIME (0x0005ULL << 32)
-+
-+
-+#define NXF_INIT_SET (__nxf_init_set())
-+
-+static inline uint64_t __nxf_init_set(void) {
-+ return NXF_STATE_ADMIN
-+#ifdef CONFIG_VSERVER_AUTO_LBACK
-+ | NXF_LBACK_REMAP
-+ | NXF_HIDE_LBACK
-+#endif
-+#ifdef CONFIG_VSERVER_AUTO_SINGLE
-+ | NXF_SINGLE_IP
-+#endif
-+ | NXF_HIDE_NETIF;
-+}
-+
-+
-+/* network caps */
-+
-+#define NXC_TUN_CREATE 0x00000001
-+
-+#define NXC_RAW_ICMP 0x00000100
-+
-+#define NXC_MULTICAST 0x00001000
-+
-+
-+/* address types */
-+
-+#define NXA_TYPE_IPV4 0x0001
-+#define NXA_TYPE_IPV6 0x0002
-+
-+#define NXA_TYPE_NONE 0x0000
-+#define NXA_TYPE_ANY 0x00FF
-+
-+#define NXA_TYPE_ADDR 0x0010
-+#define NXA_TYPE_MASK 0x0020
-+#define NXA_TYPE_RANGE 0x0040
-+
-+#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
-+
-+#define NXA_MOD_BCAST 0x0100
-+#define NXA_MOD_LBACK 0x0200
-+
-+#define NXA_LOOPBACK 0x1000
-+
-+#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
-+#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
-+
-+#endif /* _UAPI_VS_NETWORK_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/network_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/network_cmd.h
---- linux-3.9.5/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/network_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/network_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/network_cmd.h
+--- linux-4.9.217/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/network_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,123 @@
+#ifndef _UAPI_VS_NETWORK_CMD_H
+#define _UAPI_VS_NETWORK_CMD_H
+};
+
+#endif /* _UAPI_VS_NETWORK_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/sched_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/sched_cmd.h
---- linux-3.9.5/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/sched_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/network.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/network.h
+--- linux-4.9.217/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/network.h 2018-10-20 04:58:14.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _UAPI_VS_NETWORK_H
++#define _UAPI_VS_NETWORK_H
++
++#include <linux/types.h>
++
++
++#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++
++
++/* network flags */
++
++#define NXF_INFO_PRIVATE 0x00000008
++
++#define NXF_SINGLE_IP 0x00000100
++#define NXF_LBACK_REMAP 0x00000200
++#define NXF_LBACK_ALLOW 0x00000400
++
++#define NXF_HIDE_NETIF 0x02000000
++#define NXF_HIDE_LBACK 0x04000000
++
++#define NXF_STATE_SETUP (1ULL << 32)
++#define NXF_STATE_ADMIN (1ULL << 34)
++
++#define NXF_SC_HELPER (1ULL << 36)
++#define NXF_PERSISTENT (1ULL << 38)
++
++#define NXF_ONE_TIME (0x0005ULL << 32)
++
++
++#define NXF_INIT_SET (__nxf_init_set())
++
++static inline uint64_t __nxf_init_set(void) {
++ return NXF_STATE_ADMIN
++#ifdef CONFIG_VSERVER_AUTO_LBACK
++ | NXF_LBACK_REMAP
++ | NXF_HIDE_LBACK
++#endif
++#ifdef CONFIG_VSERVER_AUTO_SINGLE
++ | NXF_SINGLE_IP
++#endif
++ | NXF_HIDE_NETIF;
++}
++
++
++/* network caps */
++
++#define NXC_TUN_CREATE 0x00000001
++
++#define NXC_RAW_ICMP 0x00000100
++
++#define NXC_MULTICAST 0x00001000
++
++
++/* address types */
++
++#define NXA_TYPE_IPV4 0x0001
++#define NXA_TYPE_IPV6 0x0002
++
++#define NXA_TYPE_NONE 0x0000
++#define NXA_TYPE_ANY 0x00FF
++
++#define NXA_TYPE_ADDR 0x0010
++#define NXA_TYPE_MASK 0x0020
++#define NXA_TYPE_RANGE 0x0040
++
++#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++
++#define NXA_MOD_BCAST 0x0100
++#define NXA_MOD_LBACK 0x0200
++
++#define NXA_LOOPBACK 0x1000
++
++#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
++#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++
++#endif /* _UAPI_VS_NETWORK_H */
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/sched_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/sched_cmd.h
+--- linux-4.9.217/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/sched_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,13 @@
+#ifndef _UAPI_VS_SCHED_CMD_H
+#define _UAPI_VS_SCHED_CMD_H
+#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
+
+#endif /* _UAPI_VS_SCHED_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/signal_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/signal_cmd.h
---- linux-3.9.5/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/signal_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/signal_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/signal_cmd.h
+--- linux-4.9.217/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/signal_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,31 @@
+#ifndef _UAPI_VS_SIGNAL_CMD_H
+#define _UAPI_VS_SIGNAL_CMD_H
+};
+
+#endif /* _UAPI_VS_SIGNAL_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/space_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/space_cmd.h
---- linux-3.9.5/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/space_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/space_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/space_cmd.h
+--- linux-4.9.217/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/space_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,28 @@
+#ifndef _UAPI_VS_SPACE_CMD_H
+#define _UAPI_VS_SPACE_CMD_H
+};
+
+#endif /* _UAPI_VS_SPACE_CMD_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/switch.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/switch.h
---- linux-3.9.5/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/switch.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/switch.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/switch.h
+--- linux-4.9.217/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/switch.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,90 @@
+#ifndef _UAPI_VS_SWITCH_H
+#define _UAPI_VS_SWITCH_H
+#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
+
+#endif /* _UAPI_VS_SWITCH_H */
-diff -NurpP --minimal linux-3.9.5/include/uapi/vserver/tag_cmd.h linux-3.9.5-vs2.3.6.5/include/uapi/vserver/tag_cmd.h
---- linux-3.9.5/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/include/uapi/vserver/tag_cmd.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/include/uapi/vserver/tag_cmd.h linux-4.9.217-vs2.3.9.12/include/uapi/vserver/tag_cmd.h
+--- linux-4.9.217/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/include/uapi/vserver/tag_cmd.h 2018-10-20 04:58:14.000000000 +0000
@@ -0,0 +1,14 @@
+#ifndef _UAPI_VS_TAG_CMD_H
+#define _UAPI_VS_TAG_CMD_H
+#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
+
+#endif /* _UAPI_VS_TAG_CMD_H */
-diff -NurpP --minimal linux-3.9.5/init/Kconfig linux-3.9.5-vs2.3.6.5/init/Kconfig
---- linux-3.9.5/init/Kconfig 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/init/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -760,6 +760,7 @@ config NUMA_BALANCING
+diff -NurpP --minimal linux-4.9.217/init/Kconfig linux-4.9.217-vs2.3.9.12/init/Kconfig
+--- linux-4.9.217/init/Kconfig 2020-03-27 00:51:42.790148377 +0000
++++ linux-4.9.217-vs2.3.9.12/init/Kconfig 2018-10-20 04:58:14.000000000 +0000
+@@ -958,6 +958,7 @@ config NUMA_BALANCING_DEFAULT_ENABLED
menuconfig CGROUPS
- boolean "Control Group support"
- depends on EVENTFD
+ bool "Control Group support"
+ select KERNFS
+ default y
help
This option adds support for grouping sets of processes together, for
use with process control subsystems such as Cpusets, CFS, memory
-@@ -1022,6 +1023,7 @@ config IPC_NS
- config USER_NS
- bool "User namespace"
- depends on UIDGID_CONVERTED
-+ depends on VSERVER_DISABLED
- select UIDGID_STRICT_TYPE_CHECKS
-
- default n
-diff -NurpP --minimal linux-3.9.5/init/main.c linux-3.9.5-vs2.3.6.5/init/main.c
---- linux-3.9.5/init/main.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/init/main.c 2013-05-31 15:09:17.000000000 +0000
-@@ -72,6 +72,7 @@
- #include <linux/ptrace.h>
- #include <linux/blkdev.h>
- #include <linux/elevator.h>
+diff -NurpP --minimal linux-4.9.217/init/main.c linux-4.9.217-vs2.3.9.12/init/main.c
+--- linux-4.9.217/init/main.c 2020-03-27 00:51:42.800148216 +0000
++++ linux-4.9.217-vs2.3.9.12/init/main.c 2019-10-05 14:58:45.760306119 +0000
+@@ -82,6 +82,7 @@
+ #include <linux/io.h>
+ #include <linux/kaiser.h>
+ #include <linux/cache.h>
+#include <linux/vserver/percpu.h>
#include <asm/io.h>
#include <asm/bugs.h>
-diff -NurpP --minimal linux-3.9.5/ipc/mqueue.c linux-3.9.5-vs2.3.6.5/ipc/mqueue.c
---- linux-3.9.5/ipc/mqueue.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/ipc/mqueue.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/ipc/mqueue.c linux-4.9.217-vs2.3.9.12/ipc/mqueue.c
+--- linux-4.9.217/ipc/mqueue.c 2020-03-27 00:51:42.820147901 +0000
++++ linux-4.9.217-vs2.3.9.12/ipc/mqueue.c 2019-10-05 15:01:19.537840241 +0000
@@ -35,6 +35,8 @@
#include <linux/ipc_namespace.h>
#include <linux/user_namespace.h>
#include <net/sock.h>
#include "util.h"
-@@ -76,6 +78,7 @@ struct mqueue_inode_info {
- struct pid* notify_owner;
+@@ -75,6 +77,7 @@ struct mqueue_inode_info {
+ struct pid *notify_owner;
struct user_namespace *notify_user_ns;
struct user_struct *user; /* user who created, for accounting */
+ struct vx_info *vxi;
struct sock *notify_sock;
struct sk_buff *notify_cookie;
-@@ -234,6 +237,7 @@ static struct inode *mqueue_get_inode(st
+@@ -230,6 +233,7 @@ static struct inode *mqueue_get_inode(st
if (S_ISREG(mode)) {
struct mqueue_inode_info *info;
unsigned long mq_bytes, mq_treesize;
inode->i_fop = &mqueue_file_operations;
inode->i_size = FILENT_SIZE;
-@@ -247,6 +251,7 @@ static struct inode *mqueue_get_inode(st
+@@ -243,6 +247,7 @@ static struct inode *mqueue_get_inode(st
info->notify_user_ns = NULL;
info->qsize = 0;
info->user = NULL; /* set when all is ok */
info->msg_tree = RB_ROOT;
info->node_cache = NULL;
memset(&info->attr, 0, sizeof(info->attr));
-@@ -280,17 +285,20 @@ static struct inode *mqueue_get_inode(st
+@@ -276,17 +281,20 @@ static struct inode *mqueue_get_inode(st
spin_lock(&mq_lock);
if (u->mq_bytes + mq_bytes < u->mq_bytes ||
} else if (S_ISDIR(mode)) {
inc_nlink(inode);
/* Some things misbehave if size == 0 on a directory */
-@@ -402,8 +410,11 @@ static void mqueue_evict_inode(struct in
+@@ -393,6 +401,7 @@ static void mqueue_evict_inode(struct in
user = info->user;
if (user) {
+ struct vx_info *vxi = info->vxi;
-+
+ unsigned long mq_bytes, mq_treesize;
+
+ /* Total amount of bytes accounted for the mqueue */
+@@ -405,6 +414,7 @@ static void mqueue_evict_inode(struct in
+
spin_lock(&mq_lock);
user->mq_bytes -= mq_bytes;
+ vx_ipcmsg_sub(vxi, user, mq_bytes);
/*
* get_ns_from_inode() ensures that the
* (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
-@@ -413,6 +424,7 @@ static void mqueue_evict_inode(struct in
+@@ -414,6 +424,7 @@ static void mqueue_evict_inode(struct in
if (ipc_ns)
ipc_ns->mq_queues_count--;
spin_unlock(&mq_lock);
free_uid(user);
}
if (ipc_ns)
-diff -NurpP --minimal linux-3.9.5/ipc/msg.c linux-3.9.5-vs2.3.6.5/ipc/msg.c
---- linux-3.9.5/ipc/msg.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/ipc/msg.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/ipc/msg.c linux-4.9.217-vs2.3.9.12/ipc/msg.c
+--- linux-4.9.217/ipc/msg.c 2020-03-27 00:51:42.850147429 +0000
++++ linux-4.9.217-vs2.3.9.12/ipc/msg.c 2018-10-20 04:58:14.000000000 +0000
@@ -37,6 +37,7 @@
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
+#include <linux/vs_base.h>
#include <asm/current.h>
- #include <asm/uaccess.h>
-@@ -190,6 +191,7 @@ static int newque(struct ipc_namespace *
+ #include <linux/uaccess.h>
+@@ -124,6 +125,7 @@ static int newque(struct ipc_namespace *
msq->q_perm.mode = msgflg & S_IRWXUGO;
msq->q_perm.key = key;
msq->q_perm.security = NULL;
retval = security_msg_queue_alloc(msq);
-diff -NurpP --minimal linux-3.9.5/ipc/sem.c linux-3.9.5-vs2.3.6.5/ipc/sem.c
---- linux-3.9.5/ipc/sem.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/ipc/sem.c 2013-05-31 14:47:11.000000000 +0000
-@@ -86,6 +86,8 @@
+diff -NurpP --minimal linux-4.9.217/ipc/namespace.c linux-4.9.217-vs2.3.9.12/ipc/namespace.c
+--- linux-4.9.217/ipc/namespace.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/ipc/namespace.c 2018-10-20 04:58:14.000000000 +0000
+@@ -13,6 +13,7 @@
+ #include <linux/mount.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_ns.h>
++#include <linux/vserver/global.h>
+
+ #include "util.h"
+
+@@ -59,6 +60,7 @@ static struct ipc_namespace *create_ipc_
+ sem_init_ns(ns);
+ msg_init_ns(ns);
+ shm_init_ns(ns);
++ atomic_inc(&vs_global_ipc_ns);
+
+ return ns;
+
+@@ -121,6 +123,7 @@ static void free_ipc_ns(struct ipc_names
+ dec_ipc_namespaces(ns->ucounts);
+ put_user_ns(ns->user_ns);
+ ns_free_inum(&ns->ns);
++ atomic_dec(&vs_global_ipc_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-4.9.217/ipc/sem.c linux-4.9.217-vs2.3.9.12/ipc/sem.c
+--- linux-4.9.217/ipc/sem.c 2020-03-27 00:51:42.870147113 +0000
++++ linux-4.9.217-vs2.3.9.12/ipc/sem.c 2020-04-01 09:40:32.455401832 +0000
+@@ -85,6 +85,8 @@
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
#include <linux/ipc_namespace.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
+ #include <linux/uaccess.h>
#include "util.h"
-@@ -306,6 +308,7 @@ static int newary(struct ipc_namespace *
+@@ -537,6 +539,7 @@ static int newary(struct ipc_namespace *
sma->sem_perm.mode = (semflg & S_IRWXUGO);
sma->sem_perm.key = key;
sma->sem_perm.security = NULL;
retval = security_sem_alloc(sma);
-@@ -321,6 +324,9 @@ static int newary(struct ipc_namespace *
+@@ -567,6 +570,9 @@ static int newary(struct ipc_namespace *
return id;
}
ns->used_sems += nsems;
+ vx_semary_inc(sma);
+ vx_nsems_add(sma, nsems);
- sma->sem_base = (struct sem *) &sma[1];
-
-@@ -770,6 +776,9 @@ static void freeary(struct ipc_namespace
+ sem_unlock(sma, -1);
+ rcu_read_unlock();
+@@ -1155,6 +1161,9 @@ static void freeary(struct ipc_namespace
wake_up_sem_queue_do(&tasks);
ns->used_sems -= sma->sem_nsems;
+ /* FIXME: obsoleted? */
+ vx_nsems_sub(sma, sma->sem_nsems);
+ vx_semary_dec(sma);
- security_sem_free(sma);
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, sem_rcu_free);
}
-diff -NurpP --minimal linux-3.9.5/ipc/shm.c linux-3.9.5-vs2.3.6.5/ipc/shm.c
---- linux-3.9.5/ipc/shm.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/ipc/shm.c 2013-05-31 14:47:11.000000000 +0000
-@@ -39,6 +39,8 @@
+
+diff -NurpP --minimal linux-4.9.217/ipc/shm.c linux-4.9.217-vs2.3.9.12/ipc/shm.c
+--- linux-4.9.217/ipc/shm.c 2020-03-27 00:51:42.870147113 +0000
++++ linux-4.9.217-vs2.3.9.12/ipc/shm.c 2018-10-20 04:58:14.000000000 +0000
+@@ -42,6 +42,8 @@
#include <linux/nsproxy.h>
#include <linux/mount.h>
#include <linux/ipc_namespace.h>
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
+ #include <linux/uaccess.h>
-@@ -187,7 +189,12 @@ static void shm_open(struct vm_area_stru
- */
+@@ -234,10 +236,14 @@ static void shm_open(struct vm_area_stru
static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
{
-- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ struct file *shm_file;
+ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid);
+ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
-+
+
+ shm_file = shp->shm_file;
+ shp->shm_file = NULL;
+- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ vx_ipcshm_sub(vxi, shp, numpages);
+ ns->shm_tot -= numpages;
+
shm_rmid(ns, shp);
shm_unlock(shp);
- if (!is_file_hugepages(shp->shm_file))
-@@ -197,6 +204,7 @@ static void shm_destroy(struct ipc_names
- shp->mlock_user);
- fput (shp->shm_file);
- security_shm_free(shp);
+ if (!is_file_hugepages(shm_file))
+@@ -246,6 +252,7 @@ static void shm_destroy(struct ipc_names
+ user_shm_unlock(i_size_read(file_inode(shm_file)),
+ shp->mlock_user);
+ fput(shm_file);
+ put_vx_info(vxi);
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, shm_rcu_free);
}
-@@ -474,11 +482,15 @@ static int newseg(struct ipc_namespace *
- if (ns->shm_tot + numpages > ns->shm_ctlall)
+@@ -559,11 +566,15 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot + numpages > ns->shm_ctlall)
return -ENOSPC;
+ if (!vx_ipcshm_avail(current_vx_info(), numpages))
shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp->mlock_user = NULL;
-@@ -544,6 +556,7 @@ static int newseg(struct ipc_namespace *
- ns->shm_tot += numpages;
- error = shp->shm_perm.id;
- shm_unlock(shp);
+@@ -634,6 +645,7 @@ static int newseg(struct ipc_namespace *
+
+ ipc_unlock_object(&shp->shm_perm);
+ rcu_read_unlock();
+ vx_ipcshm_add(current_vx_info(), key, numpages);
return error;
no_id:
-diff -NurpP --minimal linux-3.9.5/kernel/Makefile linux-3.9.5-vs2.3.6.5/kernel/Makefile
---- linux-3.9.5/kernel/Makefile 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/Makefile 2013-05-31 14:47:11.000000000 +0000
-@@ -24,6 +24,7 @@ endif
-
- obj-y += sched/
- obj-y += power/
-+obj-y += vserver/
-
- obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
- obj-$(CONFIG_FREEZER) += freezer.o
-diff -NurpP --minimal linux-3.9.5/kernel/auditsc.c linux-3.9.5-vs2.3.6.5/kernel/auditsc.c
---- linux-3.9.5/kernel/auditsc.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/auditsc.c 2013-05-31 14:47:11.000000000 +0000
-@@ -2315,7 +2315,7 @@ int audit_set_loginuid(kuid_t loginuid)
- if (audit_loginuid_set(task))
+diff -NurpP --minimal linux-4.9.217/kernel/auditsc.c linux-4.9.217-vs2.3.9.12/kernel/auditsc.c
+--- linux-4.9.217/kernel/auditsc.c 2020-03-27 00:51:42.950145853 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/auditsc.c 2019-12-25 15:37:52.348423568 +0000
+@@ -1967,7 +1967,7 @@ static int audit_set_loginuid_perm(kuid_
+ if (is_audit_feature_set(AUDIT_FEATURE_LOGINUID_IMMUTABLE))
return -EPERM;
- #else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+ /* it is set, you need permission */
- if (!capable(CAP_AUDIT_CONTROL))
+ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
return -EPERM;
- #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
-
-diff -NurpP --minimal linux-3.9.5/kernel/capability.c linux-3.9.5-vs2.3.6.5/kernel/capability.c
---- linux-3.9.5/kernel/capability.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/capability.c 2013-05-31 14:47:11.000000000 +0000
-@@ -15,6 +15,7 @@
+ /* reject if this is not an unset and we don't allow that */
+ if (is_audit_feature_set(AUDIT_FEATURE_ONLY_UNSET_LOGINUID) && uid_valid(loginuid))
+diff -NurpP --minimal linux-4.9.217/kernel/capability.c linux-4.9.217-vs2.3.9.12/kernel/capability.c
+--- linux-4.9.217/kernel/capability.c 2020-03-27 00:51:43.080143807 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/capability.c 2018-10-20 04:58:14.000000000 +0000
+@@ -17,6 +17,7 @@
#include <linux/syscalls.h>
#include <linux/pid_namespace.h>
#include <linux/user_namespace.h>
#include <asm/uaccess.h>
/*
-@@ -116,6 +117,7 @@ static int cap_validate_magic(cap_user_h
+@@ -107,6 +108,7 @@ static int cap_validate_magic(cap_user_h
return 0;
}
/*
* The only thing that can change the capabilities of the current
* process is the current process. As such, we can't be in this code
-@@ -349,6 +351,8 @@ bool has_ns_capability_noaudit(struct ta
+@@ -344,6 +346,8 @@ bool has_ns_capability_noaudit(struct ta
return (ret == 0);
}
/**
* has_capability_noaudit - Does a task have a capability (unaudited) in the
* initial user ns
-diff -NurpP --minimal linux-3.9.5/kernel/compat.c linux-3.9.5-vs2.3.6.5/kernel/compat.c
---- linux-3.9.5/kernel/compat.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/compat.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/compat.c linux-4.9.217-vs2.3.9.12/kernel/compat.c
+--- linux-4.9.217/kernel/compat.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/compat.c 2018-10-20 04:58:14.000000000 +0000
@@ -27,6 +27,7 @@
#include <linux/times.h>
#include <linux/ptrace.h>
#include <asm/uaccess.h>
-@@ -1059,7 +1060,7 @@ asmlinkage long compat_sys_stime(compat_
+@@ -1059,7 +1060,7 @@ COMPAT_SYSCALL_DEFINE1(stime, compat_tim
if (err)
return err;
return 0;
}
-diff -NurpP --minimal linux-3.9.5/kernel/cred.c linux-3.9.5-vs2.3.6.5/kernel/cred.c
---- linux-3.9.5/kernel/cred.c 2013-02-19 13:58:56.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/cred.c 2013-05-31 14:47:11.000000000 +0000
-@@ -56,31 +56,6 @@ struct cred init_cred = {
+diff -NurpP --minimal linux-4.9.217/kernel/cred.c linux-4.9.217-vs2.3.9.12/kernel/cred.c
+--- linux-4.9.217/kernel/cred.c 2020-03-27 00:51:43.110143330 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/cred.c 2020-04-01 09:40:32.475401502 +0000
+@@ -64,31 +64,6 @@ struct cred init_cred = {
.group_info = &init_groups,
};
/*
* The RCU callback to actually dispose of a set of credentials
*/
-@@ -232,21 +207,16 @@ error:
+@@ -243,21 +218,16 @@ error:
*
* Call commit_creds() or abort_creds() to clean up.
*/
- old = task->cred;
memcpy(new, old, sizeof(struct cred));
- atomic_set(&new->usage, 1);
-@@ -275,6 +245,13 @@ error:
+ new->non_rcu = 0;
+@@ -287,6 +257,13 @@ error:
abort_creds(new);
return NULL;
}
EXPORT_SYMBOL(prepare_creds);
/*
-diff -NurpP --minimal linux-3.9.5/kernel/exit.c linux-3.9.5-vs2.3.6.5/kernel/exit.c
---- linux-3.9.5/kernel/exit.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/exit.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/exit.c linux-4.9.217-vs2.3.9.12/kernel/exit.c
+--- linux-4.9.217/kernel/exit.c 2020-03-27 00:51:43.250141127 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/exit.c 2019-02-24 12:44:58.353750946 +0000
@@ -48,6 +48,10 @@
#include <linux/fs_struct.h>
#include <linux/init_task.h>
#include <trace/events/sched.h>
#include <linux/hw_breakpoint.h>
#include <linux/oom.h>
-@@ -514,15 +518,25 @@ static struct task_struct *find_new_reap
- __acquires(&tasklist_lock)
+@@ -532,15 +536,25 @@ static struct task_struct *find_child_re
{
struct pid_namespace *pid_ns = task_active_pid_ns(father);
-- struct task_struct *thread;
+ struct task_struct *reaper = pid_ns->child_reaper;
+ struct vx_info *vxi = task_get_vx_info(father);
-+ struct task_struct *thread = father;
-+ struct task_struct *reaper;
+ struct task_struct *p, *n;
-- thread = father;
- while_each_thread(father, thread) {
- if (thread->flags & PF_EXITING)
- continue;
- if (unlikely(pid_ns->child_reaper == father))
- pid_ns->child_reaper = thread;
-- return thread;
-+ reaper = thread;
-+ goto out_put;
-+ }
-+
-+ reaper = pid_ns->child_reaper;
+ if (vxi) {
+ BUG_ON(!vxi->vx_reaper);
+ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
-+ vxi->vx_reaper != father)
++ vxi->vx_reaper != father) {
+ reaper = vxi->vx_reaper;
- }
++ goto out_put;
++ }
++ }
++
+ if (likely(reaper != father))
+- return reaper;
++ goto out_put;
- if (unlikely(pid_ns->child_reaper == father)) {
-@@ -560,7 +574,9 @@ static struct task_struct *find_new_reap
- }
+ reaper = find_alive_thread(father);
+ if (reaper) {
+ pid_ns->child_reaper = reaper;
+- return reaper;
++ goto out_put;
}
-- return pid_ns->child_reaper;
+ write_unlock_irq(&tasklist_lock);
+@@ -557,7 +571,10 @@ static struct task_struct *find_child_re
+ zap_pid_ns_processes(pid_ns);
+ write_lock_irq(&tasklist_lock);
+
+- return father;
++ reaper = father;
+out_put:
+ put_vx_info(vxi);
+ return reaper;
}
/*
-@@ -611,10 +627,15 @@ static void forget_original_parent(struc
- list_for_each_entry_safe(p, n, &father->children, sibling) {
- struct task_struct *t = p;
- do {
+@@ -645,9 +662,13 @@ static void forget_original_parent(struc
+ return;
+
+ reaper = find_new_reaper(father, reaper);
+- list_for_each_entry(p, &father->children, sibling) {
++ for (p = list_first_entry(&father->children, struct task_struct, sibling);
++ &p->sibling != &father->children; ) {
++ struct task_struct *next, *this_reaper = reaper;
++ if (p == reaper)
++ this_reaper = task_active_pid_ns(reaper)->child_reaper;
+ for_each_thread(p, t) {
- t->real_parent = reaper;
-+ struct task_struct *new_parent = reaper;
-+
-+ if (unlikely(p == reaper))
-+ new_parent = task_active_pid_ns(p)->child_reaper;
-+
-+ t->real_parent = new_parent;
- if (t->parent == father) {
- BUG_ON(t->ptrace);
-- t->parent = t->real_parent;
-+ t->parent = new_parent;
- }
- if (t->pdeath_signal)
- group_send_sig_info(t->pdeath_signal,
-@@ -821,6 +842,9 @@ void do_exit(long code)
++ t->real_parent = this_reaper;
+ BUG_ON((!t->ptrace) != (t->parent == father));
+ if (likely(!t->ptrace))
+ t->parent = t->real_parent;
+@@ -659,10 +680,13 @@ static void forget_original_parent(struc
+ * If this is a threaded reparent there is no need to
+ * notify anyone anything has happened.
+ */
+- if (!same_thread_group(reaper, father))
++ if (!same_thread_group(this_reaper, father))
+ reparent_leader(father, p, dead);
++ next = list_next_entry(p, sibling);
++ list_add(&p->sibling, &this_reaper->children);
++ p = next;
+ }
+- list_splice_tail_init(&father->children, &reaper->children);
++ INIT_LIST_HEAD(&father->children);
+ }
+
+ /*
+@@ -852,6 +876,9 @@ void __noreturn do_exit(long code)
*/
- ptrace_put_breakpoints(tsk);
+ flush_ptrace_hw_breakpoint(tsk);
+ /* needs to stay before exit_notify() */
+ exit_vx_info_early(tsk, code);
+
- exit_notify(tsk, group_dead);
- #ifdef CONFIG_NUMA
- task_lock(tsk);
-@@ -874,10 +898,15 @@ void do_exit(long code)
- smp_mb();
- raw_spin_unlock_wait(&tsk->pi_lock);
+ TASKS_RCU(preempt_disable());
+ TASKS_RCU(tasks_rcu_i = __srcu_read_lock(&tasks_rcu_exit_srcu));
+ TASKS_RCU(preempt_enable());
+@@ -884,6 +911,10 @@ void __noreturn do_exit(long code)
-+ /* needs to stay after exit_notify() */
+ validate_creds_for_do_exit(tsk);
+
++ /* needs to stay after exit_notify() and before preempt_disable() */
+ exit_vx_info(tsk, code);
+ exit_nx_info(tsk);
+
- /* causes final put_task_struct in finish_task_switch(). */
- tsk->state = TASK_DEAD;
- tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
- schedule();
-+ printk("bad task: %p [%lx]\n", current, current->state);
- BUG();
- /* Avoid "noreturn function does return". */
- for (;;)
-diff -NurpP --minimal linux-3.9.5/kernel/fork.c linux-3.9.5-vs2.3.6.5/kernel/fork.c
---- linux-3.9.5/kernel/fork.c 2013-05-31 13:45:29.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/fork.c 2013-05-31 14:47:11.000000000 +0000
-@@ -70,6 +70,9 @@
- #include <linux/khugepaged.h>
- #include <linux/signalfd.h>
- #include <linux/uprobes.h>
+ check_stack_usage();
+ preempt_disable();
+ if (tsk->nr_dirtied)
+diff -NurpP --minimal linux-4.9.217/kernel/fork.c linux-4.9.217-vs2.3.9.12/kernel/fork.c
+--- linux-4.9.217/kernel/fork.c 2020-03-27 00:51:43.250141127 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/fork.c 2019-10-22 13:47:05.619629084 +0000
+@@ -77,6 +77,9 @@
+ #include <linux/compiler.h>
+ #include <linux/sysctl.h>
+ #include <linux/kcov.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
+#include <linux/vs_limit.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
-@@ -210,6 +213,8 @@ void free_task(struct task_struct *tsk)
- arch_release_thread_info(tsk->stack);
- free_thread_info(tsk->stack);
+@@ -356,6 +359,8 @@ void free_task(struct task_struct *tsk)
+ WARN_ON_ONCE(atomic_read(&tsk->stack_refcount) != 0);
+ #endif
rt_mutex_debug_task_free(tsk);
+ clr_vx_info(&tsk->vx_info);
+ clr_nx_info(&tsk->nx_info);
ftrace_graph_exit_task(tsk);
put_seccomp_filter(tsk);
arch_release_task_struct(tsk);
-@@ -547,6 +552,7 @@ static struct mm_struct *mm_init(struct
- if (likely(!mm_alloc_pgd(mm))) {
- mm->def_flags = 0;
- mmu_notifier_mm_init(mm);
-+ set_vx_info(&mm->mm_vx_info, p->vx_info);
- return mm;
- }
-
-@@ -599,6 +605,7 @@ void __mmdrop(struct mm_struct *mm)
- destroy_context(mm);
- mmu_notifier_mm_destroy(mm);
- check_mm(mm);
-+ clr_vx_info(&mm->mm_vx_info);
- free_mm(mm);
- }
- EXPORT_SYMBOL_GPL(__mmdrop);
-@@ -818,6 +825,7 @@ struct mm_struct *dup_mm(struct task_str
- goto fail_nomem;
-
- memcpy(mm, oldmm, sizeof(*mm));
-+ mm->mm_vx_info = NULL;
- mm_init_cpumask(mm);
-
- #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-@@ -859,6 +867,7 @@ fail_nocontext:
- * If init_new_context() failed, we cannot use mmput() to free the mm
- * because it calls destroy_context()
- */
-+ clr_vx_info(&mm->mm_vx_info);
- mm_free_pgd(mm);
- free_mm(mm);
- return NULL;
-@@ -1137,6 +1146,8 @@ static struct task_struct *copy_process(
+@@ -1480,6 +1485,8 @@ static __latent_entropy struct task_stru
{
int retval;
struct task_struct *p;
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
-@@ -1195,7 +1206,12 @@ static struct task_struct *copy_process(
+@@ -1552,7 +1559,12 @@ static __latent_entropy struct task_stru
DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
#endif
+ goto bad_fork_free;
if (atomic_read(&p->real_cred->user->processes) >=
task_rlimit(p, RLIMIT_NPROC)) {
- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
-@@ -1472,6 +1488,18 @@ static struct task_struct *copy_process(
-
+ if (p->real_cred->user != INIT_USER &&
+@@ -1853,6 +1865,18 @@ static __latent_entropy struct task_stru
total_forks++;
spin_unlock(¤t->sighand->siglock);
+ syscall_tracepoint_update(p);
+
+ /* p is copy of current */
+ vxi = p->vx_info;
+ if (nxi)
+ claim_nx_info(nxi, p);
write_unlock_irq(&tasklist_lock);
+
proc_fork_connector(p);
- cgroup_post_fork(p);
-diff -NurpP --minimal linux-3.9.5/kernel/kthread.c linux-3.9.5-vs2.3.6.5/kernel/kthread.c
---- linux-3.9.5/kernel/kthread.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/kthread.c 2013-05-31 14:47:11.000000000 +0000
-@@ -17,6 +17,7 @@
- #include <linux/slab.h>
- #include <linux/freezer.h>
+diff -NurpP --minimal linux-4.9.217/kernel/kthread.c linux-4.9.217-vs2.3.9.12/kernel/kthread.c
+--- linux-4.9.217/kernel/kthread.c 2020-03-27 00:51:43.440138133 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/kthread.c 2018-10-20 05:55:43.000000000 +0000
+@@ -19,6 +19,7 @@
#include <linux/ptrace.h>
+ #include <linux/uaccess.h>
+ #include <linux/cgroup.h>
+#include <linux/vs_pid.h>
#include <trace/events/sched.h>
static DEFINE_SPINLOCK(kthread_create_lock);
-diff -NurpP --minimal linux-3.9.5/kernel/nsproxy.c linux-3.9.5-vs2.3.6.5/kernel/nsproxy.c
---- linux-3.9.5/kernel/nsproxy.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/nsproxy.c 2013-05-31 19:28:43.000000000 +0000
-@@ -20,11 +20,14 @@
+diff -NurpP --minimal linux-4.9.217/kernel/Makefile linux-4.9.217-vs2.3.9.12/kernel/Makefile
+--- linux-4.9.217/kernel/Makefile 2020-03-27 00:51:42.890146797 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/Makefile 2019-10-05 14:58:46.030301805 +0000
+@@ -40,6 +40,7 @@ obj-y += printk/
+ obj-y += irq/
+ obj-y += rcu/
+ obj-y += livepatch/
++obj-y += vserver/
+
+ obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
+ obj-$(CONFIG_FREEZER) += freezer.o
+diff -NurpP --minimal linux-4.9.217/kernel/nsproxy.c linux-4.9.217-vs2.3.9.12/kernel/nsproxy.c
+--- linux-4.9.217/kernel/nsproxy.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/nsproxy.c 2018-10-20 04:58:14.000000000 +0000
+@@ -20,12 +20,15 @@
#include <linux/mnt_namespace.h>
#include <linux/utsname.h>
#include <linux/pid_namespace.h>
+#include <linux/vserver/debug.h>
#include <net/net_namespace.h>
#include <linux/ipc_namespace.h>
- #include <linux/proc_fs.h>
+ #include <linux/proc_ns.h>
#include <linux/file.h>
#include <linux/syscalls.h>
+ #include <linux/cgroup.h>
+#include "../fs/mount.h"
static struct kmem_cache *nsproxy_cachep;
-@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
+@@ -50,8 +53,11 @@ static inline struct nsproxy *create_nsp
struct nsproxy *nsproxy;
nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
return nsproxy;
}
-@@ -56,9 +62,12 @@ static inline struct nsproxy *create_nsp
+@@ -60,9 +66,12 @@ static inline struct nsproxy *create_nsp
* Return the newly created nsproxy. Do not attach this to the task,
* leave it to the caller to do proper locking and attach it to task.
*/
{
struct nsproxy *new_nsp;
int err;
-@@ -67,31 +76,31 @@ static struct nsproxy *create_new_namesp
+@@ -71,39 +80,37 @@ static struct nsproxy *create_new_namesp
if (!new_nsp)
return ERR_PTR(-ENOMEM);
goto out_ipc;
}
-- new_nsp->pid_ns = copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns);
-+ new_nsp->pid_ns = copy_pid_ns(flags, new_user, new_pid);
- if (IS_ERR(new_nsp->pid_ns)) {
- err = PTR_ERR(new_nsp->pid_ns);
+- new_nsp->pid_ns_for_children =
+- copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns_for_children);
++ new_nsp->pid_ns_for_children = copy_pid_ns(flags, new_user, new_pid);
+ if (IS_ERR(new_nsp->pid_ns_for_children)) {
+ err = PTR_ERR(new_nsp->pid_ns_for_children);
goto out_pid;
}
+- new_nsp->cgroup_ns = copy_cgroup_ns(flags, user_ns,
+- tsk->nsproxy->cgroup_ns);
++ new_nsp->cgroup_ns = copy_cgroup_ns(flags, new_user, orig->cgroup_ns);
+ if (IS_ERR(new_nsp->cgroup_ns)) {
+ err = PTR_ERR(new_nsp->cgroup_ns);
+ goto out_cgroup;
+ }
+
- new_nsp->net_ns = copy_net_ns(flags, user_ns, tsk->nsproxy->net_ns);
+ new_nsp->net_ns = copy_net_ns(flags, new_user, orig->net_ns);
if (IS_ERR(new_nsp->net_ns)) {
err = PTR_ERR(new_nsp->net_ns);
goto out_net;
-@@ -116,6 +125,41 @@ out_ns:
+@@ -130,6 +137,43 @@ out_ns:
return ERR_PTR(err);
}
+ get_uts_ns(ns->uts_ns);
+ if (ns->ipc_ns)
+ get_ipc_ns(ns->ipc_ns);
-+ if (ns->pid_ns)
-+ get_pid_ns(ns->pid_ns);
++ if (ns->pid_ns_for_children)
++ get_pid_ns(ns->pid_ns_for_children);
+ if (ns->net_ns)
+ get_net(ns->net_ns);
++ if (ns->cgroup_ns)
++ get_cgroup_ns(ns->cgroup_ns);
+ }
+ return ns;
+}
/*
* called from clone. This now handles copy for nsproxy and all
* namespaces therein.
-@@ -124,9 +168,12 @@ int copy_namespaces(unsigned long flags,
+@@ -138,7 +182,10 @@ int copy_namespaces(unsigned long flags,
{
struct nsproxy *old_ns = tsk->nsproxy;
struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns);
- struct nsproxy *new_ns;
+ struct nsproxy *new_ns = NULL;
- int err = 0;
-
++
+ vxdprintk(VXD_CBIT(space, 7), "copy_namespaces(0x%08lx,%p[%p])",
+ flags, tsk, old_ns);
-+
- if (!old_ns)
- return 0;
-@@ -136,7 +183,7 @@ int copy_namespaces(unsigned long flags,
- CLONE_NEWPID | CLONE_NEWNET)))
+ if (likely(!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWPID | CLONE_NEWNET |
+@@ -147,7 +194,7 @@ int copy_namespaces(unsigned long flags,
return 0;
-
-- if (!ns_capable(user_ns, CAP_SYS_ADMIN)) {
-+ if (!vx_ns_can_unshare(user_ns, CAP_SYS_ADMIN, flags)) {
- err = -EPERM;
- goto out;
}
-@@ -163,6 +210,9 @@ int copy_namespaces(unsigned long flags,
- out:
- put_nsproxy(old_ns);
-+ vxdprintk(VXD_CBIT(space, 3),
-+ "copy_namespaces(0x%08lx,%p[%p]) = %d [%p]",
-+ flags, tsk, old_ns, err, new_ns);
- return err;
+- if (!ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_can_unshare(user_ns, CAP_SYS_ADMIN, flags))
+ return -EPERM;
+
+ /*
+@@ -166,6 +213,9 @@ int copy_namespaces(unsigned long flags,
+ return PTR_ERR(new_ns);
+
+ tsk->nsproxy = new_ns;
++ vxdprintk(VXD_CBIT(space, 3),
++ "copy_namespaces(0x%08lx,%p[%p]) = [%p]",
++ flags, tsk, old_ns, new_ns);
+ return 0;
}
-@@ -176,7 +226,9 @@ void free_nsproxy(struct nsproxy *ns)
+@@ -179,8 +229,10 @@ void free_nsproxy(struct nsproxy *ns)
put_ipc_ns(ns->ipc_ns);
- if (ns->pid_ns)
- put_pid_ns(ns->pid_ns);
-- put_net(ns->net_ns);
+ if (ns->pid_ns_for_children)
+ put_pid_ns(ns->pid_ns_for_children);
+ if (ns->net_ns)
+ put_net(ns->net_ns);
+ put_cgroup_ns(ns->cgroup_ns);
+- put_net(ns->net_ns);
+ atomic_dec(&vs_global_nsproxy);
kmem_cache_free(nsproxy_cachep, ns);
}
-@@ -190,12 +242,16 @@ int unshare_nsproxy_namespaces(unsigned
+@@ -194,12 +246,16 @@ int unshare_nsproxy_namespaces(unsigned
struct user_namespace *user_ns;
int err = 0;
+ unshare_flags, current->nsproxy);
+
if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
- CLONE_NEWNET | CLONE_NEWPID)))
+ CLONE_NEWNET | CLONE_NEWPID | CLONE_NEWCGROUP)))
return 0;
user_ns = new_cred ? new_cred->user_ns : current_user_ns();
return -EPERM;
*new_nsp = create_new_namespaces(unshare_flags, current, user_ns,
-diff -NurpP --minimal linux-3.9.5/kernel/pid.c linux-3.9.5-vs2.3.6.5/kernel/pid.c
---- linux-3.9.5/kernel/pid.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/pid.c 2013-05-31 15:24:34.000000000 +0000
-@@ -37,6 +37,7 @@
- #include <linux/init_task.h>
+diff -NurpP --minimal linux-4.9.217/kernel/pid.c linux-4.9.217-vs2.3.9.12/kernel/pid.c
+--- linux-4.9.217/kernel/pid.c 2020-03-27 00:51:43.530136712 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/pid.c 2018-10-20 04:58:14.000000000 +0000
+@@ -38,6 +38,7 @@
#include <linux/syscalls.h>
+ #include <linux/proc_ns.h>
#include <linux/proc_fs.h>
+#include <linux/vs_pid.h>
#define pid_hashfn(nr, ns) \
hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
-@@ -364,7 +365,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+@@ -381,7 +382,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
struct pid *find_vpid(int nr)
{
}
EXPORT_SYMBOL_GPL(find_vpid);
-@@ -424,6 +425,9 @@ void transfer_pid(struct task_struct *ol
+@@ -437,6 +438,9 @@ void transfer_pid(struct task_struct *ol
struct task_struct *pid_task(struct pid *pid, enum pid_type type)
{
struct task_struct *result = NULL;
+
-+ if (type == PIDTYPE_REALPID)
++ if (type == __PIDTYPE_REALPID)
+ type = PIDTYPE_PID;
if (pid) {
struct hlist_node *first;
first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
-@@ -443,7 +447,7 @@ struct task_struct *find_task_by_pid_ns(
- rcu_lockdep_assert(rcu_read_lock_held(),
- "find_task_by_pid_ns() needs rcu_read_lock()"
- " protection");
+@@ -455,7 +459,7 @@ struct task_struct *find_task_by_pid_ns(
+ {
+ RCU_LOCKDEP_WARN(!rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock() protection");
- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
+ return pid_task(find_pid_ns(vx_rmap_pid(nr), ns), PIDTYPE_PID);
}
struct task_struct *find_task_by_vpid(pid_t vnr)
-@@ -487,7 +491,7 @@ struct pid *find_get_pid(pid_t nr)
+@@ -499,7 +503,7 @@ struct pid *find_get_pid(pid_t nr)
}
EXPORT_SYMBOL_GPL(find_get_pid);
{
struct upid *upid;
pid_t nr = 0;
-@@ -501,6 +505,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
+@@ -513,6 +517,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
}
EXPORT_SYMBOL_GPL(pid_nr_ns);
pid_t pid_vnr(struct pid *pid)
{
return pid_nr_ns(pid, task_active_pid_ns(current));
-diff -NurpP --minimal linux-3.9.5/kernel/pid_namespace.c linux-3.9.5-vs2.3.6.5/kernel/pid_namespace.c
---- linux-3.9.5/kernel/pid_namespace.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/pid_namespace.c 2013-05-31 17:59:48.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/pid_namespace.c linux-4.9.217-vs2.3.9.12/kernel/pid_namespace.c
+--- linux-4.9.217/kernel/pid_namespace.c 2020-03-27 00:51:43.530136712 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/pid_namespace.c 2019-10-05 14:58:46.030301805 +0000
@@ -18,6 +18,7 @@
- #include <linux/proc_fs.h>
+ #include <linux/proc_ns.h>
#include <linux/reboot.h>
#include <linux/export.h>
+#include <linux/vserver/global.h>
- #define BITS_PER_PAGE (PAGE_SIZE*8)
-
-@@ -112,6 +113,7 @@ static struct pid_namespace *create_pid_
- goto out_free_map;
+ struct pid_cache {
+ int nr_ids;
+@@ -124,6 +125,7 @@ static struct pid_namespace *create_pid_
+ ns->ns.ops = &pidns_operations;
kref_init(&ns->kref);
+ atomic_inc(&vs_global_pid_ns);
ns->level = level;
ns->parent = get_pid_ns(parent_pid_ns);
ns->user_ns = get_user_ns(user_ns);
-@@ -142,6 +144,7 @@ static void destroy_pid_namespace(struct
- for (i = 0; i < PIDMAP_ENTRIES; i++)
- kfree(ns->pidmap[i].page);
- put_user_ns(ns->user_ns);
+@@ -142,6 +144,7 @@ static struct pid_namespace *create_pid_
+ out_free_map:
+ kfree(ns->pidmap[0].page);
+ out_free:
+ atomic_dec(&vs_global_pid_ns);
kmem_cache_free(pid_ns_cachep, ns);
- }
-
-diff -NurpP --minimal linux-3.9.5/kernel/posix-timers.c linux-3.9.5-vs2.3.6.5/kernel/posix-timers.c
---- linux-3.9.5/kernel/posix-timers.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/posix-timers.c 2013-05-31 14:47:11.000000000 +0000
-@@ -47,6 +47,7 @@
- #include <linux/wait.h>
- #include <linux/workqueue.h>
- #include <linux/export.h>
-+#include <linux/vs_context.h>
-
- /*
- * Management arrays for POSIX timers. Timers are kept in slab memory
-@@ -340,6 +341,7 @@ int posix_timer_event(struct k_itimer *t
- {
- struct task_struct *task;
- int shared, ret = -1;
-+
- /*
- * FIXME: if ->sigq is queued we can race with
- * dequeue_signal()->do_schedule_next_timer().
-@@ -356,10 +358,18 @@ int posix_timer_event(struct k_itimer *t
- rcu_read_lock();
- task = pid_task(timr->it_pid, PIDTYPE_PID);
- if (task) {
-+ struct vx_info_save vxis;
-+ struct vx_info *vxi;
-+
-+ vxi = get_vx_info(task->vx_info);
-+ enter_vx_info(vxi, &vxis);
- shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
- ret = send_sigqueue(timr->sigq, task, shared);
-+ leave_vx_info(&vxis);
-+ put_vx_info(vxi);
- }
- rcu_read_unlock();
-+
- /* If we failed to send the signal the timer stops. */
- return ret > 0;
- }
-diff -NurpP --minimal linux-3.9.5/kernel/printk.c linux-3.9.5-vs2.3.6.5/kernel/printk.c
---- linux-3.9.5/kernel/printk.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/printk.c 2013-05-31 15:23:35.000000000 +0000
-@@ -43,6 +43,7 @@
- #include <linux/rculist.h>
- #include <linux/poll.h>
- #include <linux/irq_work.h>
+ out_dec:
+ dec_pid_namespaces(ucounts);
+diff -NurpP --minimal linux-4.9.217/kernel/printk/printk.c linux-4.9.217-vs2.3.9.12/kernel/printk/printk.c
+--- linux-4.9.217/kernel/printk/printk.c 2020-03-27 00:51:43.630135138 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/printk/printk.c 2019-12-25 15:37:52.568420017 +0000
+@@ -45,6 +45,7 @@
+ #include <linux/utsname.h>
+ #include <linux/ctype.h>
+ #include <linux/uio.h>
+#include <linux/vs_cvirt.h>
#include <asm/uaccess.h>
-
-@@ -841,7 +842,7 @@ static int check_syslog_permissions(int
- return 0;
+ #include <asm/sections.h>
+@@ -611,7 +612,7 @@ int check_syslog_permissions(int type, i
+ goto ok;
if (syslog_action_restricted(type)) {
- if (capable(CAP_SYSLOG))
+ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
- return 0;
- /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
- if (capable(CAP_SYS_ADMIN)) {
-@@ -1135,12 +1136,9 @@ int do_syslog(int type, char __user *buf
+ goto ok;
+ /*
+ * For historical reasons, accept CAP_SYS_ADMIN too, with
+@@ -1398,12 +1399,9 @@ int do_syslog(int type, char __user *buf
if (error)
- return error;
+ goto out;
- switch (type) {
- case SYSLOG_ACTION_CLOSE: /* Close log */
error = -EINVAL;
if (!buf || len < 0)
goto out;
-@@ -1151,6 +1149,16 @@ int do_syslog(int type, char __user *buf
+@@ -1414,6 +1412,16 @@ int do_syslog(int type, char __user *buf
error = -EFAULT;
goto out;
}
error = wait_event_interruptible(log_wait,
syslog_seq != log_next_seq);
if (error)
-@@ -1163,16 +1171,6 @@ int do_syslog(int type, char __user *buf
+@@ -1426,16 +1434,6 @@ int do_syslog(int type, char __user *buf
/* FALL THRU */
/* Read last kernel messages */
case SYSLOG_ACTION_READ_ALL:
error = syslog_print_all(buf, len, clear);
break;
/* Clear ring buffer */
-diff -NurpP --minimal linux-3.9.5/kernel/ptrace.c linux-3.9.5-vs2.3.6.5/kernel/ptrace.c
---- linux-3.9.5/kernel/ptrace.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/ptrace.c 2013-05-31 15:22:34.000000000 +0000
-@@ -22,6 +22,7 @@
+diff -NurpP --minimal linux-4.9.217/kernel/ptrace.c linux-4.9.217-vs2.3.9.12/kernel/ptrace.c
+--- linux-4.9.217/kernel/ptrace.c 2020-03-27 00:51:43.630135138 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/ptrace.c 2019-10-05 14:59:56.929168738 +0000
+@@ -23,6 +23,7 @@
#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <linux/regset.h>
+#include <linux/vs_context.h>
#include <linux/hw_breakpoint.h>
#include <linux/cn_proc.h>
-
-@@ -261,6 +262,11 @@ ok:
- }
- rcu_read_unlock();
+ #include <linux/compat.h>
+@@ -336,6 +337,11 @@ ok:
+ !ptrace_has_cap(mm->user_ns, mode)))
+ return -EPERM;
+ if (!vx_check(task->xid, VS_ADMIN_P|VS_WATCH_P|VS_IDENT))
+ return -EPERM;
+ if (!vx_check(task->xid, VS_IDENT) &&
+ !task_vx_flags(task, VXF_STATE_ADMIN, 0))
+ return -EACCES;
+ if (mode & PTRACE_MODE_SCHED)
+ return 0;
return security_ptrace_access_check(task, mode);
- }
+diff -NurpP --minimal linux-4.9.217/kernel/reboot.c linux-4.9.217-vs2.3.9.12/kernel/reboot.c
+--- linux-4.9.217/kernel/reboot.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/reboot.c 2018-10-20 04:58:15.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_pid.h>
-diff -NurpP --minimal linux-3.9.5/kernel/sched/core.c linux-3.9.5-vs2.3.6.5/kernel/sched/core.c
---- linux-3.9.5/kernel/sched/core.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sched/core.c 2013-05-31 15:17:22.000000000 +0000
-@@ -73,6 +73,8 @@
- #include <linux/init_task.h>
- #include <linux/binfmts.h>
- #include <linux/context_tracking.h>
+ /*
+ * this indicates whether you can reboot with ctrl-alt-del: the default is yes
+@@ -269,6 +270,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
++
+ /*
+ * Reboot system call: for obvious reasons only root may call it,
+ * and even root needs to set up some magic numbers in the registers
+@@ -311,6 +314,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
+ cmd = LINUX_REBOOT_CMD_HALT;
+
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vs_reboot(cmd, arg);
++
+ mutex_lock(&reboot_mutex);
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+diff -NurpP --minimal linux-4.9.217/kernel/sched/core.c linux-4.9.217-vs2.3.9.12/kernel/sched/core.c
+--- linux-4.9.217/kernel/sched/core.c 2020-03-27 00:51:43.660134665 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sched/core.c 2019-10-22 13:47:05.639628767 +0000
+@@ -75,6 +75,8 @@
+ #include <linux/compiler.h>
+ #include <linux/frame.h>
+ #include <linux/prefetch.h>
+#include <linux/vs_sched.h>
+#include <linux/vs_cvirt.h>
#include <asm/switch_to.h>
#include <asm/tlb.h>
-@@ -2091,9 +2093,17 @@ EXPORT_SYMBOL(avenrun); /* should be rem
- */
- void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
- {
-- loads[0] = (avenrun[0] + offset) << shift;
-- loads[1] = (avenrun[1] + offset) << shift;
-- loads[2] = (avenrun[2] + offset) << shift;
-+ if (vx_flags(VXF_VIRT_LOAD, 0)) {
-+ struct vx_info *vxi = current_vx_info();
-+
-+ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
-+ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
-+ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
-+ } else {
-+ loads[0] = (avenrun[0] + offset) << shift;
-+ loads[1] = (avenrun[1] + offset) << shift;
-+ loads[2] = (avenrun[2] + offset) << shift;
-+ }
- }
-
- static long calc_load_fold_active(struct rq *this_rq)
-@@ -3704,7 +3714,7 @@ SYSCALL_DEFINE1(nice, int, increment)
- nice = 19;
+@@ -3431,6 +3433,7 @@ void __noreturn do_task_dead(void)
+ __set_current_state(TASK_DEAD);
+ current->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
+ __schedule(false);
++ printk("bad task: %p [%lx]\n", current, current->state);
+ BUG();
+ /* Avoid "noreturn function does return". */
+ for (;;)
+@@ -3824,7 +3827,7 @@ SYSCALL_DEFINE1(nice, int, increment)
+ nice = clamp_val(nice, MIN_NICE, MAX_NICE);
if (increment < 0 && !can_nice(current, nice))
- return -EPERM;
+ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
retval = security_task_setnice(current, nice);
if (retval)
-diff -NurpP --minimal linux-3.9.5/kernel/sched/cputime.c linux-3.9.5-vs2.3.6.5/kernel/sched/cputime.c
---- linux-3.9.5/kernel/sched/cputime.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sched/cputime.c 2013-05-31 15:17:55.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/sched/cputime.c linux-4.9.217-vs2.3.9.12/kernel/sched/cputime.c
+--- linux-4.9.217/kernel/sched/cputime.c 2020-03-27 00:51:43.690134189 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sched/cputime.c 2018-10-20 11:46:17.000000000 +0000
@@ -4,6 +4,7 @@
#include <linux/kernel_stat.h>
#include <linux/static_key.h>
#include <linux/context_tracking.h>
+#include <linux/vs_sched.h>
#include "sched.h"
-
-
-@@ -151,14 +152,17 @@ static inline void task_group_account_fi
+ #ifdef CONFIG_PARAVIRT
+ #include <asm/paravirt.h>
+@@ -125,14 +126,17 @@ static inline void task_group_account_fi
void account_user_time(struct task_struct *p, cputime_t cputime,
cputime_t cputime_scaled)
{
+ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
-+ int nice = (TASK_NICE(p) > 0);
++ int nice = (task_nice(p) > 0);
int index;
/* Add user time to process. */
+ vx_account_user(vxi, cputime, nice);
account_group_user_time(p, cputime);
-- index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
+- index = (task_nice(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
+ index = (nice) ? CPUTIME_NICE : CPUTIME_USER;
/* Add user time to cpustat. */
- task_group_account_field(p, index, (__force u64) cputime);
-@@ -205,9 +209,12 @@ static inline
+ task_group_account_field(p, index, cputime_to_nsecs(cputime));
+@@ -179,9 +183,12 @@ static inline
void __account_system_time(struct task_struct *p, cputime_t cputime,
cputime_t cputime_scaled, int index)
{
account_group_system_time(p, cputime);
/* Add system time to cpustat. */
-diff -NurpP --minimal linux-3.9.5/kernel/sched/fair.c linux-3.9.5-vs2.3.6.5/kernel/sched/fair.c
---- linux-3.9.5/kernel/sched/fair.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sched/fair.c 2013-05-31 15:19:37.000000000 +0000
-@@ -29,6 +29,7 @@
+diff -NurpP --minimal linux-4.9.217/kernel/sched/fair.c linux-4.9.217-vs2.3.9.12/kernel/sched/fair.c
+--- linux-4.9.217/kernel/sched/fair.c 2020-03-27 00:51:43.690134189 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sched/fair.c 2019-12-25 15:37:52.578419856 +0000
+@@ -30,6 +30,7 @@
#include <linux/mempolicy.h>
#include <linux/migrate.h>
#include <linux/task_work.h>
#include <trace/events/sched.h>
-@@ -1714,6 +1715,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
+@@ -3431,6 +3432,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
__enqueue_entity(cfs_rq, se);
se->on_rq = 1;
if (cfs_rq->nr_running == 1) {
list_add_leaf_cfs_rq(cfs_rq);
check_enqueue_throttle(cfs_rq);
-@@ -1795,6 +1798,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
+@@ -3500,6 +3503,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
if (se != cfs_rq->curr)
__dequeue_entity(cfs_rq, se);
se->on_rq = 0;
account_entity_dequeue(cfs_rq, se);
/*
-diff -NurpP --minimal linux-3.9.5/kernel/signal.c linux-3.9.5-vs2.3.6.5/kernel/signal.c
---- linux-3.9.5/kernel/signal.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/signal.c 2013-05-31 15:20:05.000000000 +0000
-@@ -32,6 +32,8 @@
- #include <linux/user_namespace.h>
- #include <linux/uprobes.h>
+diff -NurpP --minimal linux-4.9.217/kernel/sched/loadavg.c linux-4.9.217-vs2.3.9.12/kernel/sched/loadavg.c
+--- linux-4.9.217/kernel/sched/loadavg.c 2020-03-27 00:51:43.690134189 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sched/loadavg.c 2018-10-20 04:58:15.000000000 +0000
+@@ -73,9 +73,16 @@ EXPORT_SYMBOL(avenrun); /* should be rem
+ */
+ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ {
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
++ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
++ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
++ } else {
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
++ }
+ }
+
+ long calc_load_fold_active(struct rq *this_rq, long adjust)
+diff -NurpP --minimal linux-4.9.217/kernel/signal.c linux-4.9.217-vs2.3.9.12/kernel/signal.c
+--- linux-4.9.217/kernel/signal.c 2020-03-27 00:51:43.700134034 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/signal.c 2020-04-01 09:40:32.625399016 +0000
+@@ -34,6 +34,8 @@
#include <linux/compat.h>
+ #include <linux/cn_proc.h>
+ #include <linux/compiler.h>
+#include <linux/vs_context.h>
+#include <linux/vs_pid.h>
+
#define CREATE_TRACE_POINTS
#include <trace/events/signal.h>
-
-@@ -789,9 +791,18 @@ static int check_kill_permission(int sig
+@@ -782,9 +784,18 @@ static int check_kill_permission(int sig
struct pid *sid;
int error;
if (!si_fromuser(info))
return 0;
-@@ -815,6 +826,20 @@ static int check_kill_permission(int sig
+@@ -808,6 +819,20 @@ static int check_kill_permission(int sig
}
}
return security_task_kill(t, info, sig, 0);
}
-@@ -1351,7 +1376,7 @@ int kill_pid_info(int sig, struct siginf
- rcu_read_lock();
- retry:
- p = pid_task(pid, PIDTYPE_PID);
-- if (p) {
-+ if (p && vx_check(vx_task_xid(p), VS_IDENT)) {
- error = group_send_sig_info(sig, info, p);
- if (unlikely(error == -ESRCH))
- /*
-@@ -1399,7 +1424,7 @@ int kill_pid_info_as_cred(int sig, struc
+@@ -1359,8 +1384,14 @@ int kill_pid_info(int sig, struct siginf
+ for (;;) {
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p)
+- error = group_send_sig_info(sig, info, p);
++ if (p) {
++ if (vx_check(vx_task_xid(p), VS_IDENT))
++ error = group_send_sig_info(sig, info, p);
++ else {
++ rcu_read_unlock();
++ return -ESRCH;
++ }
++ }
+ rcu_read_unlock();
+ if (likely(!p || error != -ESRCH))
+ return error;
+@@ -1405,7 +1436,7 @@ int kill_pid_info_as_cred(int sig, struc
rcu_read_lock();
p = pid_task(pid, PIDTYPE_PID);
ret = -ESRCH;
goto out_unlock;
}
-@@ -1451,8 +1476,10 @@ static int kill_something_info(int sig,
+@@ -1461,8 +1492,10 @@ static int kill_something_info(int sig,
struct task_struct * p;
for_each_process(p) {
int err = group_send_sig_info(sig, info, p);
++count;
if (err != -EPERM)
-@@ -2306,6 +2333,11 @@ relock:
+@@ -2333,6 +2366,11 @@ relock:
!sig_kernel_only(signr))
- continue;
-
-+ /* virtual init is protected against user signals */
-+ if ((info->si_code == SI_USER) &&
-+ vx_current_initpid(current->pid))
-+ continue;
-+
- if (sig_kernel_stop(signr)) {
- /*
- * The default action is to stop all threads in
-diff -NurpP --minimal linux-3.9.5/kernel/softirq.c linux-3.9.5-vs2.3.6.5/kernel/softirq.c
---- linux-3.9.5/kernel/softirq.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/softirq.c 2013-05-31 14:47:11.000000000 +0000
-@@ -25,6 +25,7 @@
- #include <linux/smp.h>
- #include <linux/smpboot.h>
- #include <linux/tick.h>
-+#include <linux/vs_context.h>
-
- #define CREATE_TRACE_POINTS
- #include <trace/events/irq.h>
-diff -NurpP --minimal linux-3.9.5/kernel/sys.c linux-3.9.5-vs2.3.6.5/kernel/sys.c
---- linux-3.9.5/kernel/sys.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sys.c 2013-05-31 15:23:14.000000000 +0000
-@@ -50,6 +50,7 @@
- #include <linux/binfmts.h>
-
- #include <linux/kmsg_dump.h>
-+#include <linux/vs_pid.h>
- /* Move somewhere else to avoid recompiling? */
- #include <generated/utsrelease.h>
-
-@@ -155,7 +156,10 @@ static int set_one_prio(struct task_stru
- goto out;
- }
- if (niceval < task_nice(p) && !can_nice(p, niceval)) {
-- error = -EACCES;
-+ if (vx_flags(VXF_IGNEG_NICE, 0))
-+ error = 0;
-+ else
-+ error = -EACCES;
- goto out;
- }
- no_nice = security_task_setnice(p, niceval);
-@@ -206,6 +210,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
- else
- pgrp = task_pgrp(current);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- error = set_one_prio(p, niceval, error);
- } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
- break;
-@@ -271,6 +277,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
- else
- pgrp = task_pgrp(current);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- niceval = 20 - task_nice(p);
- if (niceval > retval)
- retval = niceval;
-@@ -424,6 +432,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
-
- static DEFINE_MUTEX(reboot_mutex);
-
-+long vs_reboot(unsigned int, void __user *);
-+
- /*
- * Reboot system call: for obvious reasons only root may call it,
- * and even root needs to set up some magic numbers in the registers
-@@ -466,6 +476,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
- if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
- cmd = LINUX_REBOOT_CMD_HALT;
-
-+ if (!vx_check(0, VS_ADMIN|VS_WATCH))
-+ return vs_reboot(cmd, arg);
-+
- mutex_lock(&reboot_mutex);
- switch (cmd) {
- case LINUX_REBOOT_CMD_RESTART:
-@@ -1373,7 +1386,8 @@ SYSCALL_DEFINE2(sethostname, char __user
- int errno;
- char tmp[__NEW_UTS_LEN];
-
-- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
-+ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
-+ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
- return -EPERM;
-
- if (len < 0 || len > __NEW_UTS_LEN)
-@@ -1424,7 +1438,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
- int errno;
- char tmp[__NEW_UTS_LEN];
-
-- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
-+ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
-+ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
- return -EPERM;
- if (len < 0 || len > __NEW_UTS_LEN)
- return -EINVAL;
-@@ -1543,7 +1558,7 @@ int do_prlimit(struct task_struct *tsk,
- /* Keep the capable check against init_user_ns until
- cgroups can contain all limits */
- if (new_rlim->rlim_max > rlim->rlim_max &&
-- !capable(CAP_SYS_RESOURCE))
-+ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
- retval = -EPERM;
- if (!retval)
- retval = security_task_setrlimit(tsk->group_leader,
-@@ -1596,7 +1611,8 @@ static int check_prlimit_permission(stru
- gid_eq(cred->gid, tcred->sgid) &&
- gid_eq(cred->gid, tcred->gid))
- return 0;
-- if (ns_capable(tcred->user_ns, CAP_SYS_RESOURCE))
-+ if (vx_ns_capable(tcred->user_ns,
-+ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
- return 0;
-
- return -EPERM;
-diff -NurpP --minimal linux-3.9.5/kernel/sysctl.c linux-3.9.5-vs2.3.6.5/kernel/sysctl.c
---- linux-3.9.5/kernel/sysctl.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sysctl.c 2013-05-31 15:28:39.000000000 +0000
-@@ -83,6 +83,7 @@
- #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
- #include <linux/lockdep.h>
- #endif
-+extern char vshelper_path[];
- #ifdef CONFIG_CHR_DEV_SG
- #include <scsi/sg.h>
- #endif
-@@ -629,6 +630,13 @@ static struct ctl_table kern_table[] = {
- .mode = 0644,
- .proc_handler = proc_dostring,
- },
-+ {
-+ .procname = "vshelper",
-+ .data = &vshelper_path,
-+ .maxlen = 256,
-+ .mode = 0644,
-+ .proc_handler = &proc_dostring,
-+ },
-
- #ifdef CONFIG_CHR_DEV_SG
- {
-diff -NurpP --minimal linux-3.9.5/kernel/sysctl_binary.c linux-3.9.5-vs2.3.6.5/kernel/sysctl_binary.c
---- linux-3.9.5/kernel/sysctl_binary.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/sysctl_binary.c 2013-05-31 14:47:11.000000000 +0000
-@@ -73,6 +73,7 @@ static const struct bin_table bin_kern_t
-
- { CTL_INT, KERN_PANIC, "panic" },
- { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
-+ { CTL_STR, KERN_VSHELPER, "vshelper" },
-
- { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
- { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
-diff -NurpP --minimal linux-3.9.5/kernel/time/timekeeping.c linux-3.9.5-vs2.3.6.5/kernel/time/timekeeping.c
---- linux-3.9.5/kernel/time/timekeeping.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/time/timekeeping.c 2013-05-31 15:24:55.000000000 +0000
-@@ -22,6 +22,7 @@
- #include <linux/tick.h>
- #include <linux/stop_machine.h>
- #include <linux/pvclock_gtod.h>
-+#include <linux/vs_time.h>
-
-
- static struct timekeeper timekeeper;
-@@ -594,6 +595,7 @@ void getrawmonotonic(struct timespec *ts
- } while (read_seqretry(&tk->lock, seq));
-
- timespec_add_ns(ts, nsecs);
-+ vx_adjust_timespec(ts);
- }
- EXPORT_SYMBOL(getrawmonotonic);
-
-diff -NurpP --minimal linux-3.9.5/kernel/time.c linux-3.9.5-vs2.3.6.5/kernel/time.c
---- linux-3.9.5/kernel/time.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/time.c 2013-05-31 14:47:11.000000000 +0000
-@@ -37,6 +37,7 @@
- #include <linux/fs.h>
- #include <linux/math64.h>
- #include <linux/ptrace.h>
-+#include <linux/vs_time.h>
-
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-@@ -92,7 +93,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
- if (err)
- return err;
-
-- do_settimeofday(&tv);
-+ vx_settimeofday(&tv);
- return 0;
- }
-
-@@ -180,7 +181,7 @@ int do_sys_settimeofday(const struct tim
- }
- }
- if (tv)
-- return do_settimeofday(tv);
-+ return vx_settimeofday(tv);
- return 0;
- }
-
-diff -NurpP --minimal linux-3.9.5/kernel/timer.c linux-3.9.5-vs2.3.6.5/kernel/timer.c
---- linux-3.9.5/kernel/timer.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/timer.c 2013-05-31 14:47:11.000000000 +0000
-@@ -41,6 +41,10 @@
- #include <linux/sched.h>
- #include <linux/sched/sysctl.h>
- #include <linux/slab.h>
-+#include <linux/vs_base.h>
-+#include <linux/vs_cvirt.h>
-+#include <linux/vs_pid.h>
-+#include <linux/vserver/sched.h>
-
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-diff -NurpP --minimal linux-3.9.5/kernel/user_namespace.c linux-3.9.5-vs2.3.6.5/kernel/user_namespace.c
---- linux-3.9.5/kernel/user_namespace.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/user_namespace.c 2013-05-31 17:44:56.000000000 +0000
-@@ -22,6 +22,7 @@
- #include <linux/ctype.h>
- #include <linux/projid.h>
- #include <linux/fs_struct.h>
-+#include <linux/vserver/global.h>
-
- static struct kmem_cache *user_ns_cachep __read_mostly;
-
-@@ -91,6 +92,7 @@ int create_user_ns(struct cred *new)
-
- atomic_set(&ns->count, 1);
- /* Leave the new->user_ns reference with the new user namespace. */
-+ atomic_inc(&vs_global_user_ns);
- ns->parent = parent_ns;
- ns->owner = owner;
- ns->group = group;
-@@ -835,6 +837,8 @@ static void *userns_get(struct task_stru
-
- static void userns_put(void *ns)
- {
-+ /* FIXME: maybe move into destroyer? */
-+ atomic_dec(&vs_global_user_ns);
- put_user_ns(ns);
- }
-
-diff -NurpP --minimal linux-3.9.5/kernel/utsname.c linux-3.9.5-vs2.3.6.5/kernel/utsname.c
---- linux-3.9.5/kernel/utsname.c 2013-05-31 13:45:30.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/utsname.c 2013-05-31 15:15:55.000000000 +0000
-@@ -16,14 +16,17 @@
- #include <linux/slab.h>
- #include <linux/user_namespace.h>
- #include <linux/proc_fs.h>
-+#include <linux/vserver/global.h>
-
- static struct uts_namespace *create_uts_ns(void)
- {
- struct uts_namespace *uts_ns;
-
- uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
-- if (uts_ns)
-+ if (uts_ns) {
- kref_init(&uts_ns->kref);
-+ atomic_inc(&vs_global_uts_ns);
-+ }
- return uts_ns;
- }
-
-@@ -85,6 +88,7 @@ void free_uts_ns(struct kref *kref)
- ns = container_of(kref, struct uts_namespace, kref);
- put_user_ns(ns->user_ns);
- proc_free_inum(ns->proc_inum);
-+ atomic_dec(&vs_global_uts_ns);
- kfree(ns);
- }
-
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/Kconfig linux-3.9.5-vs2.3.6.5/kernel/vserver/Kconfig
---- linux-3.9.5/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/Kconfig 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,233 @@
-+#
-+# Linux VServer configuration
-+#
-+
-+menu "Linux VServer"
-+
-+config VSERVER_AUTO_LBACK
-+ bool "Automatically Assign Loopback IP"
-+ default y
-+ help
-+ Automatically assign a guest specific loopback
-+ IP and add it to the kernel network stack on
-+ startup.
-+
-+config VSERVER_AUTO_SINGLE
-+ bool "Automatic Single IP Special Casing"
-+ depends on EXPERIMENTAL
-+ default y
-+ help
-+ This allows network contexts with a single IP to
-+ automatically remap 0.0.0.0 bindings to that IP,
-+ avoiding further network checks and improving
-+ performance.
-+
-+ (note: such guests do not allow to change the ip
-+ on the fly and do not show loopback addresses)
-+
-+config VSERVER_COWBL
-+ bool "Enable COW Immutable Link Breaking"
-+ default y
-+ help
-+ This enables the COW (Copy-On-Write) link break code.
-+ It allows you to treat unified files like normal files
-+ when writing to them (which will implicitely break the
-+ link and create a copy of the unified file)
-+
-+config VSERVER_VTIME
-+ bool "Enable Virtualized Guest Time"
-+ depends on EXPERIMENTAL
-+ default n
-+ help
-+ This enables per guest time offsets to allow for
-+ adjusting the system clock individually per guest.
-+ this adds some overhead to the time functions and
-+ therefore should not be enabled without good reason.
-+
-+config VSERVER_DEVICE
-+ bool "Enable Guest Device Mapping"
-+ depends on EXPERIMENTAL
-+ default n
-+ help
-+ This enables generic device remapping.
-+
-+config VSERVER_PROC_SECURE
-+ bool "Enable Proc Security"
-+ depends on PROC_FS
-+ default y
-+ help
-+ This configures ProcFS security to initially hide
-+ non-process entries for all contexts except the main and
-+ spectator context (i.e. for all guests), which is a secure
-+ default.
-+
-+ (note: on 1.2x the entries were visible by default)
-+
-+choice
-+ prompt "Persistent Inode Tagging"
-+ default TAGGING_ID24
-+ help
-+ This adds persistent context information to filesystems
-+ mounted with the tagxid option. Tagging is a requirement
-+ for per-context disk limits and per-context quota.
-+
-+
-+config TAGGING_NONE
-+ bool "Disabled"
-+ help
-+ do not store per-context information in inodes.
-+
-+config TAGGING_UID16
-+ bool "UID16/GID32"
-+ help
-+ reduces UID to 16 bit, but leaves GID at 32 bit.
-+
-+config TAGGING_GID16
-+ bool "UID32/GID16"
-+ help
-+ reduces GID to 16 bit, but leaves UID at 32 bit.
-+
-+config TAGGING_ID24
-+ bool "UID24/GID24"
-+ help
-+ uses the upper 8bit from UID and GID for XID tagging
-+ which leaves 24bit for UID/GID each, which should be
-+ more than sufficient for normal use.
-+
-+config TAGGING_INTERN
-+ bool "UID32/GID32"
-+ help
-+ this uses otherwise reserved inode fields in the on
-+ disk representation, which limits the use to a few
-+ filesystems (currently ext2 and ext3)
-+
-+endchoice
-+
-+config TAG_NFSD
-+ bool "Tag NFSD User Auth and Files"
-+ default n
-+ help
-+ Enable this if you do want the in-kernel NFS
-+ Server to use the tagging specified above.
-+ (will require patched clients too)
-+
-+config VSERVER_PRIVACY
-+ bool "Honor Privacy Aspects of Guests"
-+ default n
-+ help
-+ When enabled, most context checks will disallow
-+ access to structures assigned to a specific context,
-+ like ptys or loop devices.
-+
-+config VSERVER_CONTEXTS
-+ int "Maximum number of Contexts (1-65533)" if EMBEDDED
-+ range 1 65533
-+ default "768" if 64BIT
-+ default "256"
-+ help
-+ This setting will optimize certain data structures
-+ and memory allocations according to the expected
-+ maximum.
-+
-+ note: this is not a strict upper limit.
-+
-+config VSERVER_WARN
-+ bool "VServer Warnings"
-+ default y
-+ help
-+ This enables various runtime warnings, which will
-+ notify about potential manipulation attempts or
-+ resource shortage. It is generally considered to
-+ be a good idea to have that enabled.
-+
-+config VSERVER_WARN_DEVPTS
-+ bool "VServer DevPTS Warnings"
-+ depends on VSERVER_WARN
-+ default y
-+ help
-+ This enables DevPTS related warnings, issued when a
-+ process inside a context tries to lookup or access
-+ a dynamic pts from the host or a different context.
-+
-+config VSERVER_DEBUG
-+ bool "VServer Debugging Code"
-+ default n
-+ help
-+ Set this to yes if you want to be able to activate
-+ debugging output at runtime. It adds a very small
-+ overhead to all vserver related functions and
-+ increases the kernel size by about 20k.
-+
-+config VSERVER_HISTORY
-+ bool "VServer History Tracing"
-+ depends on VSERVER_DEBUG
-+ default n
-+ help
-+ Set this to yes if you want to record the history of
-+ linux-vserver activities, so they can be replayed in
-+ the event of a kernel panic or oops.
-+
-+config VSERVER_HISTORY_SIZE
-+ int "Per-CPU History Size (32-65536)"
-+ depends on VSERVER_HISTORY
-+ range 32 65536
-+ default 64
-+ help
-+ This allows you to specify the number of entries in
-+ the per-CPU history buffer.
-+
-+config VSERVER_EXTRA_MNT_CHECK
-+ bool "Extra Checks for Reachability"
-+ default n
-+ help
-+ Set this to yes if you want to do extra checks for
-+ vfsmount reachability in the proc filesystem code.
-+ This shouldn't be required on any setup utilizing
-+ mnt namespaces.
-+
-+choice
-+ prompt "Quotes used in debug and warn messages"
-+ default QUOTES_ISO8859
-+
-+config QUOTES_ISO8859
-+ bool "Extended ASCII (ISO 8859) angle quotes"
-+ help
-+ This uses the extended ASCII characters \xbb
-+ and \xab for quoting file and process names.
-+
-+config QUOTES_UTF8
-+ bool "UTF-8 angle quotes"
-+ help
-+ This uses the the UTF-8 sequences for angle
-+ quotes to quote file and process names.
-+
-+config QUOTES_ASCII
-+ bool "ASCII single quotes"
-+ help
-+ This uses the ASCII single quote character
-+ (\x27) to quote file and process names.
-+
-+endchoice
-+
-+endmenu
-+
-+
-+config VSERVER
-+ bool
-+ default y
-+ select NAMESPACES
-+ select UTS_NS
-+ select IPC_NS
-+# select USER_NS
-+ select SYSVIPC
-+
-+config VSERVER_SECURITY
-+ bool
-+ depends on SECURITY
-+ default y
-+ select SECURITY_CAPABILITIES
-+
-+config VSERVER_DISABLED
-+ bool
-+ default n
+ continue;
+
++ /* virtual init is protected against user signals */
++ if ((ksig->info.si_code == SI_USER) &&
++ vx_current_initpid(current->pid))
++ continue;
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/Makefile linux-3.9.5-vs2.3.6.5/kernel/vserver/Makefile
---- linux-3.9.5/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/Makefile 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,18 @@
-+#
-+# Makefile for the Linux vserver routines.
-+#
+ if (sig_kernel_stop(signr)) {
+ /*
+ * The default action is to stop all threads in
+diff -NurpP --minimal linux-4.9.217/kernel/softirq.c linux-4.9.217-vs2.3.9.12/kernel/softirq.c
+--- linux-4.9.217/kernel/softirq.c 2020-03-27 00:51:43.710133873 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/softirq.c 2018-10-20 05:55:43.000000000 +0000
+@@ -26,6 +26,7 @@
+ #include <linux/smpboot.h>
+ #include <linux/tick.h>
+ #include <linux/irq.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/irq.h>
+diff -NurpP --minimal linux-4.9.217/kernel/sys.c linux-4.9.217-vs2.3.9.12/kernel/sys.c
+--- linux-4.9.217/kernel/sys.c 2020-03-27 00:51:43.730133562 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sys.c 2019-10-13 16:09:18.098106817 +0000
+@@ -56,6 +56,7 @@
+ #include <linux/nospec.h>
+
+ #include <linux/kmsg_dump.h>
++#include <linux/vs_pid.h>
+ /* Move somewhere else to avoid recompiling? */
+ #include <generated/utsrelease.h>
+
+@@ -159,7 +160,10 @@ static int set_one_prio(struct task_stru
+ goto out;
+ }
+ if (niceval < task_nice(p) && !can_nice(p, niceval)) {
+- error = -EACCES;
++ if (vx_flags(VXF_IGNEG_NICE, 0))
++ error = 0;
++ else
++ error = -EACCES;
+ goto out;
+ }
+ no_nice = security_task_setnice(p, niceval);
+@@ -210,6 +214,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ error = set_one_prio(p, niceval, error);
+ } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+ break;
+@@ -276,6 +282,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ niceval = nice_to_rlimit(task_nice(p));
+ if (niceval > retval)
+ retval = niceval;
+@@ -292,6 +300,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ goto out_unlock; /* No processes for this user */
+ }
+ do_each_thread(g, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ if (uid_eq(task_uid(p), uid) && task_pid_vnr(p)) {
+ niceval = nice_to_rlimit(task_nice(p));
+ if (niceval > retval)
+@@ -1211,7 +1221,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1264,7 +1275,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
+@@ -1384,7 +1396,7 @@ int do_prlimit(struct task_struct *tsk,
+ /* Keep the capable check against init_user_ns until
+ cgroups can contain all limits */
+ if (new_rlim->rlim_max > rlim->rlim_max &&
+- !capable(CAP_SYS_RESOURCE))
++ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk->group_leader,
+@@ -1437,7 +1449,8 @@ static int check_prlimit_permission(stru
+ gid_eq(cred->gid, tcred->sgid) &&
+ gid_eq(cred->gid, tcred->gid))
+ return 0;
+- if (ns_capable(tcred->user_ns, CAP_SYS_RESOURCE))
++ if (vx_ns_capable(tcred->user_ns,
++ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ return 0;
+
+ return -EPERM;
+@@ -2326,7 +2339,12 @@ static int do_sysinfo(struct sysinfo *in
+
+ get_avenrun(info->loads, 0, SI_LOAD_SHIFT - FSHIFT);
+
+- info->procs = nr_threads;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++ info->procs = atomic_read(&vxi->cvirt.nr_threads);
++ } else {
++ info->procs = nr_threads;
++ }
+
+ si_meminfo(info);
+ si_swapinfo(info);
+diff -NurpP --minimal linux-4.9.217/kernel/sysctl_binary.c linux-4.9.217-vs2.3.9.12/kernel/sysctl_binary.c
+--- linux-4.9.217/kernel/sysctl_binary.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sysctl_binary.c 2018-10-20 04:58:15.000000000 +0000
+@@ -74,6 +74,7 @@ static const struct bin_table bin_kern_t
+
+ { CTL_INT, KERN_PANIC, "panic" },
+ { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
++ { CTL_STR, KERN_VSHELPER, "vshelper" },
+
+ { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
+ { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
+diff -NurpP --minimal linux-4.9.217/kernel/sysctl.c linux-4.9.217-vs2.3.9.12/kernel/sysctl.c
+--- linux-4.9.217/kernel/sysctl.c 2020-03-27 00:51:43.730133562 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/sysctl.c 2020-04-01 09:40:32.625399016 +0000
+@@ -87,6 +87,7 @@
+ #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+ #include <linux/lockdep.h>
+ #endif
++extern char vshelper_path[];
+ #ifdef CONFIG_CHR_DEV_SG
+ #include <scsi/sg.h>
+ #endif
+@@ -284,6 +285,13 @@ static int max_extfrag_threshold = 1000;
+
+ static struct ctl_table kern_table[] = {
+ {
++ .procname = "vshelper",
++ .data = &vshelper_path,
++ .maxlen = 256,
++ .mode = 0644,
++ .proc_handler = proc_dostring,
++ },
++ {
+ .procname = "sched_child_runs_first",
+ .data = &sysctl_sched_child_runs_first,
+ .maxlen = sizeof(unsigned int),
+@@ -1429,7 +1437,6 @@ static struct ctl_table vm_table[] = {
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+-
+ #endif /* CONFIG_COMPACTION */
+ {
+ .procname = "min_free_kbytes",
+diff -NurpP --minimal linux-4.9.217/kernel/time/posix-timers.c linux-4.9.217-vs2.3.9.12/kernel/time/posix-timers.c
+--- linux-4.9.217/kernel/time/posix-timers.c 2020-03-27 00:51:43.770132929 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/time/posix-timers.c 2019-02-22 08:37:55.983044969 +0000
+@@ -48,6 +48,7 @@
+ #include <linux/workqueue.h>
+ #include <linux/export.h>
+ #include <linux/hashtable.h>
++#include <linux/vs_context.h>
+
+ #include "timekeeping.h"
+
+@@ -417,6 +418,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
+
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -433,10 +435,18 @@ int posix_timer_event(struct k_itimer *t
+ rcu_read_lock();
+ task = pid_task(timr->it_pid, PIDTYPE_PID);
+ if (task) {
++ struct vx_info_save vxis;
++ struct vx_info *vxi;
+
-+obj-y += vserver.o
++ vxi = get_vx_info(task->vx_info);
++ enter_vx_info(vxi, &vxis);
+ shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+ ret = send_sigqueue(timr->sigq, task, shared);
++ leave_vx_info(&vxis);
++ put_vx_info(vxi);
+ }
+ rcu_read_unlock();
+
-+vserver-y := switch.o context.o space.o sched.o network.o inode.o \
-+ limit.o cvirt.o cacct.o signal.o helper.o init.o \
-+ dlimit.o tag.o
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-4.9.217/kernel/time/time.c linux-4.9.217-vs2.3.9.12/kernel/time/time.c
+--- linux-4.9.217/kernel/time/time.c 2020-03-27 00:51:43.780132774 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/time/time.c 2018-10-20 05:55:43.000000000 +0000
+@@ -38,6 +38,7 @@
+ #include <linux/fs.h>
+ #include <linux/math64.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -94,7 +95,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+@@ -187,7 +188,7 @@ int do_sys_settimeofday64(const struct t
+ }
+ }
+ if (tv)
+- return do_settimeofday64(tv);
++ return vx_settimeofday64(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-4.9.217/kernel/time/timekeeping.c linux-4.9.217-vs2.3.9.12/kernel/time/timekeeping.c
+--- linux-4.9.217/kernel/time/timekeeping.c 2020-03-27 00:51:43.790132613 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/time/timekeeping.c 2019-12-25 15:09:47.185439847 +0000
+@@ -23,6 +23,8 @@
+ #include <linux/stop_machine.h>
+ #include <linux/pvclock_gtod.h>
+ #include <linux/compiler.h>
++#include <linux/vs_time.h>
++#include <linux/vs_base.h>
+
+ #include "tick-internal.h"
+ #include "ntp_internal.h"
+@@ -768,6 +770,15 @@ ktime_t ktime_get_with_offset(enum tk_of
+
+ } while (read_seqcount_retry(&tk_core.seq, seq));
+
++#ifdef CONFIG_VSERVER_VTIME
++ if ((offs == TK_OFFS_BOOT) &&
++ vx_flags(VXF_VIRT_UPTIME, 0) &&
++ !vx_check(0, VS_ADMIN|VS_WATCH)) {
++ struct vx_info *vxi = current_vx_info();
++ ktime_t bias_uptime = timespec64_to_ktime(vxi->cvirt.bias_uptime);
++ base = ktime_sub(base, bias_uptime);
++ }
++#endif
+ return ktime_add_ns(base, nsecs);
+
+ }
+diff -NurpP --minimal linux-4.9.217/kernel/time/timer.c linux-4.9.217-vs2.3.9.12/kernel/time/timer.c
+--- linux-4.9.217/kernel/time/timer.c 2020-03-27 00:51:43.790132613 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/time/timer.c 2019-10-22 13:47:05.659628449 +0000
+@@ -42,6 +42,10 @@
+ #include <linux/slab.h>
+ #include <linux/compat.h>
+ #include <linux/random.h>
++#include <linux/vs_base.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+diff -NurpP --minimal linux-4.9.217/kernel/user_namespace.c linux-4.9.217-vs2.3.9.12/kernel/user_namespace.c
+--- linux-4.9.217/kernel/user_namespace.c 2020-03-27 00:51:43.850131671 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/user_namespace.c 2018-10-20 05:55:43.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/projid.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+
+ static struct kmem_cache *user_ns_cachep __read_mostly;
+ static DEFINE_MUTEX(userns_state_mutex);
+@@ -115,6 +116,7 @@ int create_user_ns(struct cred *new)
+
+ atomic_set(&ns->count, 1);
+ /* Leave the new->user_ns reference with the new user namespace. */
++ atomic_inc(&vs_global_user_ns);
+ ns->parent = parent_ns;
+ ns->level = parent_ns->level + 1;
+ ns->owner = owner;
+@@ -185,6 +187,7 @@ static void free_user_ns(struct work_str
+ key_put(ns->persistent_keyring_register);
+ #endif
+ ns_free_inum(&ns->ns);
++ atomic_dec(&vs_global_user_ns);
+ kmem_cache_free(user_ns_cachep, ns);
+ dec_user_namespaces(ucounts);
+ ns = parent;
+@@ -404,6 +407,18 @@ gid_t from_kgid_munged(struct user_names
+ }
+ EXPORT_SYMBOL(from_kgid_munged);
+
++ktag_t make_ktag(struct user_namespace *from, vtag_t tag)
++{
++ return KTAGT_INIT(tag);
++}
++EXPORT_SYMBOL(make_ktag);
+
-+vserver-$(CONFIG_INET) += inet.o
-+vserver-$(CONFIG_PROC_FS) += proc.o
-+vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
-+vserver-$(CONFIG_VSERVER_HISTORY) += history.o
-+vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
-+vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++vtag_t from_ktag(struct user_namespace *to, ktag_t tag)
++{
++ return __ktag_val(tag);
++}
++EXPORT_SYMBOL(from_ktag);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cacct.c linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct.c
---- linux-3.9.5/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct.c 2013-05-31 14:47:11.000000000 +0000
+ /**
+ * make_kprojid - Map a user-namespace projid pair into a kprojid.
+ * @ns: User namespace that the projid is in
+diff -NurpP --minimal linux-4.9.217/kernel/utsname.c linux-4.9.217-vs2.3.9.12/kernel/utsname.c
+--- linux-4.9.217/kernel/utsname.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/utsname.c 2018-10-20 04:58:15.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/slab.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_ns.h>
++#include <linux/vserver/global.h>
+
+ static struct ucounts *inc_uts_namespaces(struct user_namespace *ns)
+ {
+@@ -32,8 +33,10 @@ static struct uts_namespace *create_uts_
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+- if (uts_ns)
++ if (uts_ns) {
+ kref_init(&uts_ns->kref);
++ atomic_inc(&vs_global_uts_ns);
++ }
+ return uts_ns;
+ }
+
+@@ -111,6 +114,7 @@ void free_uts_ns(struct kref *kref)
+ dec_uts_namespaces(ns->ucounts);
+ put_user_ns(ns->user_ns);
+ ns_free_inum(&ns->ns);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cacct.c linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct.c
+--- linux-4.9.217/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,42 @@
+/*
+ * linux/kernel/vserver/cacct.c
+ *
+ * Virtual Server: Context Accounting
+ *
-+ * Copyright (C) 2006-2007 Herbert Pötzl
++ * Copyright (C) 2006-2007 Herbert P?tzl
+ *
+ * V0.01 added accounting stats
+ *
+ return 0;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cacct_init.h linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct_init.h
---- linux-3.9.5/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct_init.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cacct_init.h linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct_init.h
+--- linux-4.9.217/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct_init.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,25 @@
+
+
+ return;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cacct_proc.h linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct_proc.h
---- linux-3.9.5/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cacct_proc.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cacct_proc.h linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct_proc.h
+--- linux-4.9.217/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cacct_proc.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,53 @@
+#ifndef _VX_CACCT_PROC_H
+#define _VX_CACCT_PROC_H
+}
+
+#endif /* _VX_CACCT_PROC_H */
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/context.c linux-3.9.5-vs2.3.6.5/kernel/vserver/context.c
---- linux-3.9.5/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/context.c 2013-06-12 23:49:09.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/context.c linux-4.9.217-vs2.3.9.12/kernel/vserver/context.c
+--- linux-4.9.217/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/context.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,1119 @@
+/*
+ * linux/kernel/vserver/context.c
+ *
+ * Virtual Server: Context Support
+ *
-+ * Copyright (C) 2003-2011 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert P?tzl
+ *
+ * V0.01 context helper
+ * V0.02 vx_ctx_kill syscall command
+
+EXPORT_SYMBOL_GPL(free_vx_info);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cvirt.c linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt.c
---- linux-3.9.5/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt.c 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,313 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cvirt.c linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt.c
+--- linux-4.9.217/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,350 @@
+/*
+ * linux/kernel/vserver/cvirt.c
+ *
+ * Virtual Server: Context Virtualization
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from limit.c
+ * V0.02 added utsname stuff
+#include <asm/uaccess.h>
+
+
-+void vx_vsi_boottime(struct timespec *boottime)
++void vx_vsi_boottime64(struct timespec64 *boottime)
+{
+ struct vx_info *vxi = current_vx_info();
+
-+ set_normalized_timespec(boottime,
++ set_normalized_timespec64(boottime,
+ boottime->tv_sec + vxi->cvirt.bias_uptime.tv_sec,
+ boottime->tv_nsec + vxi->cvirt.bias_uptime.tv_nsec);
+ return;
+{
+ struct vcmd_virt_stat_v0 vc_data;
+ struct _vx_cvirt *cvirt = &vxi->cvirt;
-+ struct timespec uptime;
++ struct timespec64 uptime;
+
-+ do_posix_clock_monotonic_gettime(&uptime);
-+ set_normalized_timespec(&uptime,
++ ktime_get_ts64(&uptime);
++ set_normalized_timespec64(&uptime,
+ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
+ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
+
-+ vc_data.offset = timespec_to_ns(&cvirt->bias_ts);
-+ vc_data.uptime = timespec_to_ns(&uptime);
++ vc_data.offset = timespec64_to_ns(&cvirt->bias_ts);
++ vc_data.uptime = timespec64_to_ns(&uptime);
+ vc_data.nr_threads = atomic_read(&cvirt->nr_threads);
+ vc_data.nr_running = atomic_read(&cvirt->nr_running);
+ vc_data.nr_uninterruptible = atomic_read(&cvirt->nr_uninterruptible);
+
+/* virtualized time base */
+
-+void vx_adjust_timespec(struct timespec *ts)
++void vx_adjust_timespec(struct timespec *ts)
++{
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return;
++
++ vxi = current_vx_info();
++ ts->tv_sec += vxi->cvirt.bias_ts.tv_sec;
++ ts->tv_nsec += vxi->cvirt.bias_ts.tv_nsec;
++
++ if (ts->tv_nsec >= NSEC_PER_SEC) {
++ ts->tv_sec++;
++ ts->tv_nsec -= NSEC_PER_SEC;
++ } else if (ts->tv_nsec < 0) {
++ ts->tv_sec--;
++ ts->tv_nsec += NSEC_PER_SEC;
++ }
++}
++
++void vx_adjust_timespec64(struct timespec64 *ts)
+{
+ struct vx_info *vxi;
+
+ delta = timespec_sub(*ts, ats);
+
+ vxi = current_vx_info();
-+ vxi->cvirt.bias_ts = timespec_add(vxi->cvirt.bias_ts, delta);
++ vxi->cvirt.bias_ts = timespec64_add(vxi->cvirt.bias_ts,
++ timespec_to_timespec64(delta));
++ return 0;
++}
++
++int vx_settimeofday64(const struct timespec64 *ts)
++{
++ struct timespec64 ats, delta;
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return do_settimeofday64(ts);
++
++ getnstimeofday64(&ats);
++ delta = timespec64_sub(*ts, ats);
++
++ vxi = current_vx_info();
++ vxi->cvirt.bias_ts = timespec64_add(vxi->cvirt.bias_ts, delta);
+ return 0;
+}
+
+#endif
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cvirt_init.h linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt_init.h
---- linux-3.9.5/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt_init.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cvirt_init.h linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt_init.h
+--- linux-4.9.217/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt_init.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,70 @@
+
+
+ uint64_t idle_jiffies = vx_idle_jiffies();
+ uint64_t nsuptime;
+
-+ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
++ ktime_get_ts64(&cvirt->bias_uptime);
+ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec
+ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec;
+ cvirt->bias_clock = nsec_to_clock_t(nsuptime);
+ cvirt->bias_ts.tv_sec = 0;
+ cvirt->bias_ts.tv_nsec = 0;
+
-+ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
++ jiffies_to_timespec64(idle_jiffies, &cvirt->bias_idle);
+ atomic_set(&cvirt->nr_threads, 0);
+ atomic_set(&cvirt->nr_running, 0);
+ atomic_set(&cvirt->nr_uninterruptible, 0);
+ return;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/cvirt_proc.h linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt_proc.h
---- linux-3.9.5/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/cvirt_proc.h 2013-05-31 19:38:26.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/cvirt_proc.h linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt_proc.h
+--- linux-4.9.217/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/cvirt_proc.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,123 @@
+#ifndef _VX_CVIRT_PROC_H
+#define _VX_CVIRT_PROC_H
+ int a, b, c;
+
+ length += sprintf(buffer + length,
-+ "BiasUptime:\t%lu.%02lu\n",
-+ (unsigned long)cvirt->bias_uptime.tv_sec,
++ "BiasUptime:\t%llu.%02lu\n",
++ (unsigned long long)cvirt->bias_uptime.tv_sec,
+ (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100)));
+
+ a = cvirt->load[0] + (FIXED_1 / 200);
+}
+
+#endif /* _VX_CVIRT_PROC_H */
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/debug.c linux-3.9.5-vs2.3.6.5/kernel/vserver/debug.c
---- linux-3.9.5/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/debug.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/debug.c linux-4.9.217-vs2.3.9.12/kernel/vserver/debug.c
+--- linux-4.9.217/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/debug.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,32 @@
+/*
+ * kernel/vserver/debug.c
+ *
-+ * Copyright (C) 2005-2007 Herbert Pötzl
++ * Copyright (C) 2005-2007 Herbert P?tzl
+ *
+ * V0.01 vx_info dump support
+ *
+
+EXPORT_SYMBOL_GPL(dump_vx_info);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/device.c linux-3.9.5-vs2.3.6.5/kernel/vserver/device.c
---- linux-3.9.5/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/device.c 2013-06-12 23:49:09.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/device.c linux-4.9.217-vs2.3.9.12/kernel/vserver/device.c
+--- linux-4.9.217/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/device.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,443 @@
+/*
+ * linux/kernel/vserver/device.c
+ *
+ * Linux-VServer: Device Support
+ *
-+ * Copyright (C) 2006 Herbert Pötzl
++ * Copyright (C) 2006 Herbert P?tzl
+ * Copyright (C) 2007 Daniel Hokka Zakrisson
+ *
+ * V0.01 device mapping basics
+static inline int __user_device(const char __user *name, dev_t *dev,
+ umode_t *mode)
+{
-+ struct nameidata nd;
++ struct path path;
+ int ret;
+
+ if (!name) {
+ *dev = 0;
+ return 0;
+ }
-+ ret = user_lpath(name, &nd.path);
++ ret = user_lpath(name, &path);
+ if (ret)
+ return ret;
-+ if (nd.path.dentry->d_inode) {
-+ *dev = nd.path.dentry->d_inode->i_rdev;
-+ *mode = nd.path.dentry->d_inode->i_mode;
++ if (path.dentry->d_inode) {
++ *dev = path.dentry->d_inode->i_rdev;
++ *mode = path.dentry->d_inode->i_mode;
+ }
-+ path_put(&nd.path);
++ path_put(&path);
+ return 0;
+}
+
+#endif /* CONFIG_COMPAT */
+
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/dlimit.c linux-3.9.5-vs2.3.6.5/kernel/vserver/dlimit.c
---- linux-3.9.5/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/dlimit.c 2013-06-12 23:49:09.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/dlimit.c linux-4.9.217-vs2.3.9.12/kernel/vserver/dlimit.c
+--- linux-4.9.217/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/dlimit.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,528 @@
+/*
+ * linux/kernel/vserver/dlimit.c
+ *
+ * Virtual Server: Context Disk Limits
+ *
-+ * Copyright (C) 2004-2009 Herbert Pötzl
++ * Copyright (C) 2004-2009 Herbert P?tzl
+ *
+ * V0.01 initial version
+ * V0.02 compat32 splitup
+EXPORT_SYMBOL_GPL(locate_dl_info);
+EXPORT_SYMBOL_GPL(rcu_free_dl_info);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/helper.c linux-3.9.5-vs2.3.6.5/kernel/vserver/helper.c
---- linux-3.9.5/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/helper.c 2013-06-01 08:27:59.000000000 +0000
-@@ -0,0 +1,230 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/helper.c linux-4.9.217-vs2.3.9.12/kernel/vserver/helper.c
+--- linux-4.9.217/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/helper.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,242 @@
+/*
+ * linux/kernel/vserver/helper.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic helper
+ *
+
+static int vshelper_init(struct subprocess_info *info, struct cred *new_cred)
+{
-+ current->flags &= ~PF_THREAD_BOUND;
++ current->flags &= ~PF_NO_SETAFFINITY;
+ return 0;
+}
+
++static int vs_call_usermodehelper(char *path, char **argv, char **envp, int wait)
++{
++ struct subprocess_info *info;
++ gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
++
++ info = call_usermodehelper_setup(path, argv, envp, gfp_mask,
++ vshelper_init, NULL, NULL);
++ if (info == NULL)
++ return -ENOMEM;
++
++ return call_usermodehelper_exec(info, wait);
++}
++
+static int do_vshelper(char *name, char *argv[], char *envp[], int sync)
+{
+ int ret;
+
-+ if ((ret = call_usermodehelper_fns(name, argv, envp,
-+ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC,
-+ vshelper_init, NULL, NULL))) {
++ if ((ret = vs_call_usermodehelper(name, argv, envp,
++ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC))) {
+ printk(KERN_WARNING "%s: (%s %s) returned %s with %d\n",
+ name, argv[1], argv[2],
+ sync ? "sync" : "async", ret);
+ return do_vshelper(vshelper_path, argv, envp, 1);
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/history.c linux-3.9.5-vs2.3.6.5/kernel/vserver/history.c
---- linux-3.9.5/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/history.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/history.c linux-4.9.217-vs2.3.9.12/kernel/vserver/history.c
+--- linux-4.9.217/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/history.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,258 @@
+/*
+ * kernel/vserver/history.c
+ *
+ * Virtual Context History Backtrace
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ * V0.02 hash/unhash and trace
+
+#endif /* CONFIG_COMPAT */
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/inet.c linux-3.9.5-vs2.3.6.5/kernel/vserver/inet.c
---- linux-3.9.5/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/inet.c 2013-05-31 22:43:05.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/inet.c linux-4.9.217-vs2.3.9.12/kernel/vserver/inet.c
+--- linux-4.9.217/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/inet.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,236 @@
+
+#include <linux/in.h>
+
+EXPORT_SYMBOL_GPL(ip_v4_find_src);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/init.c linux-3.9.5-vs2.3.6.5/kernel/vserver/init.c
---- linux-3.9.5/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/init.c 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,45 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/init.c linux-4.9.217-vs2.3.9.12/kernel/vserver/init.c
+--- linux-4.9.217/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/init.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,46 @@
+/*
+ * linux/kernel/init.c
+ *
+ * Virtual Server Init
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ *
+ */
+
+#include <linux/init.h>
++#include <linux/module.h>
+
+int vserver_register_sysctl(void);
+void vserver_unregister_sysctl(void);
+module_init(init_vserver);
+module_exit(exit_vserver);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/inode.c linux-3.9.5-vs2.3.6.5/kernel/vserver/inode.c
---- linux-3.9.5/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/inode.c 2013-06-12 23:49:09.000000000 +0000
-@@ -0,0 +1,437 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/inode.c linux-4.9.217-vs2.3.9.12/kernel/vserver/inode.c
+--- linux-4.9.217/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/inode.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,440 @@
+/*
+ * linux/kernel/vserver/inode.c
+ *
+ * Virtual Server: File System Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 separated from vcontext V0.05
+ * V0.02 moved to tag (instead of xid)
+#include <linux/mount.h>
+#include <linux/parser.h>
+#include <linux/namei.h>
++#include <linux/magic.h>
++#include <linux/slab.h>
+#include <linux/vserver/inode.h>
+#include <linux/vserver/inode_cmd.h>
+#include <linux/vs_base.h>
+#include <linux/vs_tag.h>
+
+#include <asm/uaccess.h>
++#include <../../fs/proc/internal.h>
+
+
+static int __vc_get_iattr(struct inode *in, uint32_t *tag, uint32_t *flags, uint32_t *mask)
+ return -EFAULT;
+
+ filp = fget(fd);
-+ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ if (!filp || !filp->f_path.dentry || !filp->f_path.dentry->d_inode)
+ return -EBADF;
+
-+ ret = __vc_get_iattr(filp->f_dentry->d_inode,
++ ret = __vc_get_iattr(filp->f_path.dentry->d_inode,
+ &vc_data.tag, &vc_data.flags, &vc_data.mask);
+
+ fput(filp);
+ if ((*mask & IATTR_TAG) && !has_tag)
+ return -EINVAL;
+
-+ mutex_lock(&in->i_mutex);
++ inode_lock(in);
+ if (*mask & IATTR_TAG) {
+ attr.ia_tag = make_ktag(&init_user_ns, *tag);
+ attr.ia_valid |= ATTR_TAG;
+ if (in->i_op && in->i_op->setattr)
+ error = in->i_op->setattr(de, &attr);
+ else {
-+ error = inode_change_ok(in, &attr);
++ error = setattr_prepare(de, &attr);
+ if (!error) {
+ setattr_copy(in, &attr);
+ mark_inode_dirty(in);
+ }
+
+out:
-+ mutex_unlock(&in->i_mutex);
++ inode_unlock(in);
+ return error;
+}
+
+ return -EFAULT;
+
+ filp = fget(fd);
-+ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ if (!filp || !filp->f_path.dentry || !filp->f_path.dentry->d_inode)
+ return -EBADF;
+
-+ ret = __vc_set_iattr(filp->f_dentry, &vc_data.tag,
++ ret = __vc_set_iattr(filp->f_path.dentry, &vc_data.tag,
+ &vc_data.flags, &vc_data.mask);
+
+ fput(filp);
+
+#endif /* CONFIG_PROPAGATE */
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/limit.c linux-3.9.5-vs2.3.6.5/kernel/vserver/limit.c
---- linux-3.9.5/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/limit.c 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,345 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/Kconfig linux-4.9.217-vs2.3.9.12/kernel/vserver/Kconfig
+--- linux-4.9.217/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/Kconfig 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,230 @@
++#
++# Linux VServer configuration
++#
++
++menu "Linux VServer"
++
++config VSERVER_AUTO_LBACK
++ bool "Automatically Assign Loopback IP"
++ default y
++ help
++ Automatically assign a guest specific loopback
++ IP and add it to the kernel network stack on
++ startup.
++
++config VSERVER_AUTO_SINGLE
++ bool "Automatic Single IP Special Casing"
++ default n
++ help
++ This allows network contexts with a single IP to
++ automatically remap 0.0.0.0 bindings to that IP,
++ avoiding further network checks and improving
++ performance.
++
++ (note: such guests do not allow to change the ip
++ on the fly and do not show loopback addresses)
++
++config VSERVER_COWBL
++ bool "Enable COW Immutable Link Breaking"
++ default y
++ help
++ This enables the COW (Copy-On-Write) link break code.
++ It allows you to treat unified files like normal files
++ when writing to them (which will implicitely break the
++ link and create a copy of the unified file)
++
++config VSERVER_VTIME
++ bool "Enable Virtualized Guest Time (EXPERIMENTAL)"
++ default n
++ help
++ This enables per guest time offsets to allow for
++ adjusting the system clock individually per guest.
++ this adds some overhead to the time functions and
++ therefore should not be enabled without good reason.
++
++config VSERVER_DEVICE
++ bool "Enable Guest Device Mapping (EXPERIMENTAL)"
++ default n
++ help
++ This enables generic device remapping.
++
++config VSERVER_PROC_SECURE
++ bool "Enable Proc Security"
++ depends on PROC_FS
++ default y
++ help
++ This configures ProcFS security to initially hide
++ non-process entries for all contexts except the main and
++ spectator context (i.e. for all guests), which is a secure
++ default.
++
++ (note: on 1.2x the entries were visible by default)
++
++choice
++ prompt "Persistent Inode Tagging"
++ default TAGGING_ID24
++ help
++ This adds persistent context information to filesystems
++ mounted with the tagxid option. Tagging is a requirement
++ for per-context disk limits and per-context quota.
++
++
++config TAGGING_NONE
++ bool "Disabled"
++ help
++ do not store per-context information in inodes.
++
++config TAGGING_UID16
++ bool "UID16/GID32"
++ help
++ reduces UID to 16 bit, but leaves GID at 32 bit.
++
++config TAGGING_GID16
++ bool "UID32/GID16"
++ help
++ reduces GID to 16 bit, but leaves UID at 32 bit.
++
++config TAGGING_ID24
++ bool "UID24/GID24"
++ help
++ uses the upper 8bit from UID and GID for XID tagging
++ which leaves 24bit for UID/GID each, which should be
++ more than sufficient for normal use.
++
++config TAGGING_INTERN
++ bool "UID32/GID32"
++ help
++ this uses otherwise reserved inode fields in the on
++ disk representation, which limits the use to a few
++ filesystems (currently ext2 and ext3)
++
++endchoice
++
++config TAG_NFSD
++ bool "Tag NFSD User Auth and Files"
++ default n
++ help
++ Enable this if you do want the in-kernel NFS
++ Server to use the tagging specified above.
++ (will require patched clients too)
++
++config VSERVER_PRIVACY
++ bool "Honor Privacy Aspects of Guests"
++ default n
++ help
++ When enabled, most context checks will disallow
++ access to structures assigned to a specific context,
++ like ptys or loop devices.
++
++config VSERVER_CONTEXTS
++ int "Maximum number of Contexts (1-65533)" if EMBEDDED
++ range 1 65533
++ default "768" if 64BIT
++ default "256"
++ help
++ This setting will optimize certain data structures
++ and memory allocations according to the expected
++ maximum.
++
++ note: this is not a strict upper limit.
++
++config VSERVER_WARN
++ bool "VServer Warnings"
++ default y
++ help
++ This enables various runtime warnings, which will
++ notify about potential manipulation attempts or
++ resource shortage. It is generally considered to
++ be a good idea to have that enabled.
++
++config VSERVER_WARN_DEVPTS
++ bool "VServer DevPTS Warnings"
++ depends on VSERVER_WARN
++ default y
++ help
++ This enables DevPTS related warnings, issued when a
++ process inside a context tries to lookup or access
++ a dynamic pts from the host or a different context.
++
++config VSERVER_DEBUG
++ bool "VServer Debugging Code"
++ default n
++ help
++ Set this to yes if you want to be able to activate
++ debugging output at runtime. It adds a very small
++ overhead to all vserver related functions and
++ increases the kernel size by about 20k.
++
++config VSERVER_HISTORY
++ bool "VServer History Tracing"
++ depends on VSERVER_DEBUG
++ default n
++ help
++ Set this to yes if you want to record the history of
++ linux-vserver activities, so they can be replayed in
++ the event of a kernel panic or oops.
++
++config VSERVER_HISTORY_SIZE
++ int "Per-CPU History Size (32-65536)"
++ depends on VSERVER_HISTORY
++ range 32 65536
++ default 64
++ help
++ This allows you to specify the number of entries in
++ the per-CPU history buffer.
++
++config VSERVER_EXTRA_MNT_CHECK
++ bool "Extra Checks for Reachability"
++ default n
++ help
++ Set this to yes if you want to do extra checks for
++ vfsmount reachability in the proc filesystem code.
++ This shouldn't be required on any setup utilizing
++ mnt namespaces.
++
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
++
++config QUOTES_ISO8859
++ bool "Extended ASCII (ISO 8859) angle quotes"
++ help
++ This uses the extended ASCII characters \xbb
++ and \xab for quoting file and process names.
++
++config QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
++
++config QUOTES_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
++
++endchoice
++
++endmenu
++
++
++config VSERVER
++ bool
++ default y
++ select NAMESPACES
++ select UTS_NS
++ select IPC_NS
++# select USER_NS
++ select SYSVIPC
++
++config VSERVER_SECURITY
++ bool
++ depends on SECURITY
++ default y
++ select SECURITY_CAPABILITIES
++
++config VSERVER_DISABLED
++ bool
++ default n
++
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/limit.c linux-4.9.217-vs2.3.9.12/kernel/vserver/limit.c
+--- linux-4.9.217/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/limit.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,386 @@
+/*
+ * linux/kernel/vserver/limit.c
+ *
+ * Virtual Server: Context Limits
+ *
-+ * Copyright (C) 2004-2010 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 changed vcmds to vxi arg
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/memcontrol.h>
-+#include <linux/res_counter.h>
++#include <linux/page_counter.h>
+#include <linux/vs_limit.h>
+#include <linux/vserver/limit.h>
+#include <linux/vserver/limit_cmd.h>
+}
+
+
++#ifdef CONFIG_MEMCG
++
++void dump_sysinfo(struct sysinfo *si)
++{
++ printk(KERN_INFO "sysinfo: memunit=%u\n"
++ "\ttotalram:\t%lu\n"
++ "\tfreeram:\t%lu\n"
++ "\tsharedram:\t%lu\n"
++ "\tbufferram:\t%lu\n"
++ "\ttotalswap:\t%lu\n"
++ "\tfreeswap:\t%lu\n"
++ "\ttotalhigh:\t%lu\n"
++ "\tfreehigh:\t%lu\n",
++ si->mem_unit,
++ si->totalram,
++ si->freeram,
++ si->sharedram,
++ si->bufferram,
++ si->totalswap,
++ si->freeswap,
++ si->totalhigh,
++ si->freehigh);
++}
++
+void vx_vsi_meminfo(struct sysinfo *val)
+{
-+#ifdef CONFIG_MEMCG
+ struct mem_cgroup *mcg;
-+ u64 res_limit, res_usage;
++ unsigned long res_limit, res_usage;
++ unsigned shift;
++
++ if (VXD_CBIT(cvirt, 4))
++ dump_sysinfo(val);
+
+ rcu_read_lock();
+ mcg = mem_cgroup_from_task(current);
++ if (VXD_CBIT(cvirt, 5))
++ dump_mem_cgroup(mcg);
+ rcu_read_unlock();
+ if (!mcg)
+ goto out;
+
-+ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
-+ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ res_limit = mem_cgroup_mem_limit_pages(mcg);
++ res_usage = mem_cgroup_mem_usage_pages(mcg);
++ shift = val->mem_unit == 1 ? PAGE_SHIFT : 0;
+
-+ if (res_limit != RESOURCE_MAX)
-+ val->totalram = (res_limit >> PAGE_SHIFT);
-+ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
++ if (res_limit != PAGE_COUNTER_MAX)
++ val->totalram = res_limit << shift;
++ val->freeram = val->totalram - (res_usage << shift);
+ val->bufferram = 0;
+ val->totalhigh = 0;
+ val->freehigh = 0;
+out:
-+#endif /* CONFIG_MEMCG */
+ return;
+}
+
+void vx_vsi_swapinfo(struct sysinfo *val)
+{
-+#ifdef CONFIG_MEMCG
+#ifdef CONFIG_MEMCG_SWAP
+ struct mem_cgroup *mcg;
-+ u64 res_limit, res_usage, memsw_limit, memsw_usage;
-+ s64 swap_limit, swap_usage;
++ unsigned long res_limit, res_usage, memsw_limit, memsw_usage;
++ signed long swap_limit, swap_usage;
++ unsigned shift;
++
++ if (VXD_CBIT(cvirt, 6))
++ dump_sysinfo(val);
+
+ rcu_read_lock();
+ mcg = mem_cgroup_from_task(current);
++ if (VXD_CBIT(cvirt, 7))
++ dump_mem_cgroup(mcg);
+ rcu_read_unlock();
+ if (!mcg)
+ goto out;
+
-+ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
-+ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
-+ memsw_limit = mem_cgroup_memsw_read_u64(mcg, RES_LIMIT);
-+ memsw_usage = mem_cgroup_memsw_read_u64(mcg, RES_USAGE);
++ res_limit = mem_cgroup_mem_limit_pages(mcg);
+
+ /* memory unlimited */
-+ if (res_limit == RESOURCE_MAX)
++ if (res_limit == PAGE_COUNTER_MAX)
+ goto out;
+
++ res_usage = mem_cgroup_mem_usage_pages(mcg);
++ memsw_limit = mem_cgroup_memsw_limit_pages(mcg);
++ memsw_usage = mem_cgroup_memsw_usage_pages(mcg);
++ shift = val->mem_unit == 1 ? PAGE_SHIFT : 0;
++
+ swap_limit = memsw_limit - res_limit;
+ /* we have a swap limit? */
-+ if (memsw_limit != RESOURCE_MAX)
-+ val->totalswap = swap_limit >> PAGE_SHIFT;
++ if (memsw_limit != PAGE_COUNTER_MAX)
++ val->totalswap = swap_limit << shift;
+
+ /* calculate swap part */
+ swap_usage = (memsw_usage > res_usage) ?
+
+ /* total shown minus usage gives free swap */
+ val->freeswap = (swap_usage < swap_limit) ?
-+ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
++ val->totalswap - (swap_usage << shift) : 0;
+out:
+#else /* !CONFIG_MEMCG_SWAP */
+ val->totalswap = 0;
+ val->freeswap = 0;
+#endif /* !CONFIG_MEMCG_SWAP */
-+#endif /* CONFIG_MEMCG */
+ return;
+}
+
+long vx_vsi_cached(struct sysinfo *val)
+{
+ long cache = 0;
-+#ifdef CONFIG_MEMCG
++#ifdef CONFIG_MEMCG_BROKEN
+ struct mem_cgroup *mcg;
+
++ if (VXD_CBIT(cvirt, 8))
++ dump_sysinfo(val);
++
+ rcu_read_lock();
+ mcg = mem_cgroup_from_task(current);
++ if (VXD_CBIT(cvirt, 9))
++ dump_mem_cgroup(mcg);
+ rcu_read_unlock();
+ if (!mcg)
+ goto out;
+
-+ cache = mem_cgroup_stat_read_cache(mcg);
++ // cache = mem_cgroup_stat_read_cache(mcg);
+out:
+#endif
+ return cache;
+}
++#endif /* !CONFIG_MEMCG */
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/limit_init.h linux-3.9.5-vs2.3.6.5/kernel/vserver/limit_init.h
---- linux-3.9.5/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/limit_init.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/limit_init.h linux-4.9.217-vs2.3.9.12/kernel/vserver/limit_init.h
+--- linux-4.9.217/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/limit_init.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,31 @@
+
+
+ }
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/limit_proc.h linux-3.9.5-vs2.3.6.5/kernel/vserver/limit_proc.h
---- linux-3.9.5/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/limit_proc.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/limit_proc.h linux-4.9.217-vs2.3.9.12/kernel/vserver/limit_proc.h
+--- linux-4.9.217/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/limit_proc.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,57 @@
+#ifndef _VX_LIMIT_PROC_H
+#define _VX_LIMIT_PROC_H
+#endif /* _VX_LIMIT_PROC_H */
+
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/network.c linux-3.9.5-vs2.3.6.5/kernel/vserver/network.c
---- linux-3.9.5/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/network.c 2013-06-12 23:49:09.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/Makefile linux-4.9.217-vs2.3.9.12/kernel/vserver/Makefile
+--- linux-4.9.217/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/Makefile 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,18 @@
++#
++# Makefile for the Linux vserver routines.
++#
++
++
++obj-y += vserver.o
++
++vserver-y := switch.o context.o space.o sched.o network.o inode.o \
++ limit.o cvirt.o cacct.o signal.o helper.o init.o \
++ dlimit.o tag.o
++
++vserver-$(CONFIG_INET) += inet.o
++vserver-$(CONFIG_PROC_FS) += proc.o
++vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
++vserver-$(CONFIG_VSERVER_HISTORY) += history.o
++vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
++vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/network.c linux-4.9.217-vs2.3.9.12/kernel/vserver/network.c
+--- linux-4.9.217/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/network.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,1053 @@
+/*
+ * linux/kernel/vserver/network.c
+ *
+ * Virtual Server: Network Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 cleaned up implementation
+EXPORT_SYMBOL_GPL(free_nx_info);
+EXPORT_SYMBOL_GPL(unhash_nx_info);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/proc.c linux-3.9.5-vs2.3.6.5/kernel/vserver/proc.c
---- linux-3.9.5/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/proc.c 2013-06-12 23:49:09.000000000 +0000
-@@ -0,0 +1,1110 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/proc.c linux-4.9.217-vs2.3.9.12/kernel/vserver/proc.c
+--- linux-4.9.217/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/proc.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,1040 @@
+/*
+ * linux/kernel/vserver/proc.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2003-2011 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ * V0.02 adaptation vs1.3.0
+#include "sched_proc.h"
+#include "vci_config.h"
+
++#include <../../fs/proc/internal.h>
++
+
+static inline char *print_cap_t(char *buffer, kernel_cap_t *c)
+{
+ atomic_read(&vs_global_fs),
+ atomic_read(&vs_global_mnt_ns),
+ atomic_read(&vs_global_uts_ns),
-+ atomic_read(&nr_ipc_ns),
++ atomic_read(&vs_global_ipc_ns),
+ atomic_read(&vs_global_user_ns),
+ atomic_read(&vs_global_pid_ns),
+ atomic_read(&init_task.usage),
+
+/* Lookups */
+
-+typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int, void *);
++typedef struct dentry *vx_instantiate_t(struct inode *, struct dentry *, int, void *);
++
+
+/*
+ * Fill a directory entry.
+ *
+ * Since all of the proc inode numbers are dynamically generated, the inode
+ * numbers do not exist until the inode is cache. This means creating the
-+ * the dcache entry in readdir is necessary to keep the inode numbers
-+ * reported by readdir in sync with the inode numbers reported
++ * the dcache entry in iterate is necessary to keep the inode numbers
++ * reported by iterate in sync with the inode numbers reported
+ * by stat.
+ */
-+static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
-+ char *name, int len, instantiate_t instantiate, int id, void *ptr)
++static int vx_proc_fill_cache(struct file *filp, struct dir_context *ctx,
++ char *name, int len, vx_instantiate_t instantiate, int id, void *ptr)
+{
-+ struct dentry *child, *dir = filp->f_dentry;
++ struct dentry *child, *dir = filp->f_path.dentry;
+ struct inode *inode;
+ struct qstr qname;
+ ino_t ino = 0;
+
+ qname.name = name;
+ qname.len = len;
-+ qname.hash = full_name_hash(name, len);
++ qname.hash = full_name_hash(NULL, name, len);
+
+ child = d_lookup(dir, &qname);
+ if (!child) {
+ dput(child);
+end_instantiate:
+ if (!ino)
-+ ino = find_inode_number(dir, &qname);
-+ if (!ino)
+ ino = 1;
-+ return filldir(dirent, name, len, filp->f_pos, ino, type);
++ return !dir_emit(ctx, name, len, ino, type);
+}
+
+
+static ssize_t proc_vs_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.dentry->d_inode;
+ unsigned long page;
+ ssize_t length = 0;
+
+static ssize_t proc_vx_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.dentry->d_inode;
+ struct vx_info *vxi = NULL;
+ vxid_t xid = PROC_I(inode)->fd;
+ unsigned long page;
+static ssize_t proc_nx_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.dentry->d_inode;
+ struct nx_info *nxi = NULL;
+ vnid_t nid = PROC_I(inode)->fd;
+ unsigned long page;
+ return error;
+}
+
-+static int proc_xid_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++static int proc_xid_iterate(struct file *filp, struct dir_context *ctx)
+{
-+ struct dentry *dentry = filp->f_dentry;
++ struct dentry *dentry = filp->f_path.dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = vx_base_stuff;
+ int size = sizeof(vx_base_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
-+ u64 ino;
++ int index;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto out;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, PROC_I(inode)->fd, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
+ return 1;
+}
+
+ return error;
+}
+
-+static int proc_nid_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++static int proc_nid_iterate(struct file *filp, struct dir_context *ctx)
+{
-+ struct dentry *dentry = filp->f_dentry;
++ struct dentry *dentry = filp->f_path.dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = nx_base_stuff;
+ int size = sizeof(nx_base_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
-+ u64 ino;
++ int index;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto out;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, PROC_I(inode)->fd, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
+ return 1;
+}
+
+
+static struct file_operations proc_xid_file_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_xid_readdir,
++ .iterate = proc_xid_iterate,
+};
+
+static struct inode_operations proc_xid_inode_operations = {
+
+static struct file_operations proc_nid_file_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_nid_readdir,
++ .iterate = proc_nid_iterate,
+};
+
+static struct inode_operations proc_nid_inode_operations = {
+
+#define PROC_MAXVIDS 32
+
-+int proc_virtual_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++int proc_virtual_iterate(struct file *filp, struct dir_context *ctx)
+{
-+ struct dentry *dentry = filp->f_dentry;
-+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = vx_virtual_stuff;
+ int size = sizeof(vx_virtual_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ unsigned int xid_array[PROC_MAXVIDS];
+ char buf[PROC_NUMBUF];
+ unsigned int nr_xids, i;
-+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto entries;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, 0, p))
-+ goto out;
-+ pos++;
-+ }
-+ entries:
-+ index = pos - size;
-+ p = &vx_virtual_stuff[size - 1];
-+ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
-+ for (i = 0; i < nr_xids; i++) {
-+ int n, xid = xid_array[i];
-+ unsigned int j = PROC_NUMBUF;
-+
-+ n = xid;
-+ do
-+ buf[--j] = '0' + (n % 10);
-+ while (n /= 10);
-+
-+ if (proc_fill_cache(filp, dirent, filldir,
-+ buf + j, PROC_NUMBUF - j,
-+ vs_proc_instantiate, xid, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
++
++ index = ctx->pos - size;
++ p = &vx_virtual_stuff[size - 1];
++ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_xids; i++) {
++ int n, xid = xid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = xid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (vx_proc_fill_cache(filp, ctx,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, xid, p))
++ return 0;
++ ctx->pos++;
++ }
+ return 0;
+}
+
+
+static struct file_operations proc_virtual_dir_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_virtual_readdir,
++ .iterate = proc_virtual_iterate,
+};
+
+static struct inode_operations proc_virtual_dir_inode_operations = {
+
+
+
-+
-+
-+int proc_virtnet_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++int proc_virtnet_iterate(struct file *filp, struct dir_context *ctx)
+{
-+ struct dentry *dentry = filp->f_dentry;
-+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = nx_virtnet_stuff;
+ int size = sizeof(nx_virtnet_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ unsigned int nid_array[PROC_MAXVIDS];
+ char buf[PROC_NUMBUF];
+ unsigned int nr_nids, i;
-+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto entries;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, 0, p))
-+ goto out;
-+ pos++;
-+ }
-+ entries:
-+ index = pos - size;
-+ p = &nx_virtnet_stuff[size - 1];
-+ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
-+ for (i = 0; i < nr_nids; i++) {
-+ int n, nid = nid_array[i];
-+ unsigned int j = PROC_NUMBUF;
-+
-+ n = nid;
-+ do
-+ buf[--j] = '0' + (n % 10);
-+ while (n /= 10);
-+
-+ if (proc_fill_cache(filp, dirent, filldir,
-+ buf + j, PROC_NUMBUF - j,
-+ vs_proc_instantiate, nid, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
++
++ index = ctx->pos - size;
++ p = &nx_virtnet_stuff[size - 1];
++ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_nids; i++) {
++ int n, nid = nid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = nid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (vx_proc_fill_cache(filp, ctx,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, nid, p))
++ return 0;
++ ctx->pos++;
++ }
+ return 0;
+}
+
+
+static struct file_operations proc_virtnet_dir_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_virtnet_readdir,
++ .iterate = proc_virtnet_iterate,
+};
+
+static struct inode_operations proc_virtnet_dir_inode_operations = {
+
+/* per pid info */
+
++void render_cap_t(struct seq_file *, const char *,
++ struct vx_info *, kernel_cap_t *);
+
-+int proc_pid_vx_info(struct task_struct *p, char *buffer)
++
++int proc_pid_vx_info(
++ struct seq_file *m,
++ struct pid_namespace *ns,
++ struct pid *pid,
++ struct task_struct *p)
+{
+ struct vx_info *vxi;
-+ char *orig = buffer;
+
-+ buffer += sprintf(buffer, "XID:\t%d\n", vx_task_xid(p));
++ seq_printf(m, "XID:\t%d\n", vx_task_xid(p));
+
+ vxi = task_get_vx_info(p);
+ if (!vxi)
-+ goto out;
++ return 0;
+
-+ buffer += sprintf(buffer, "BCaps:\t");
-+ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
-+ buffer += sprintf(buffer, "\n");
-+ buffer += sprintf(buffer, "CCaps:\t%016llx\n",
++ render_cap_t(m, "BCaps:\t", vxi, &vxi->vx_bcaps);
++ seq_printf(m, "CCaps:\t%016llx\n",
+ (unsigned long long)vxi->vx_ccaps);
-+ buffer += sprintf(buffer, "CFlags:\t%016llx\n",
++ seq_printf(m, "CFlags:\t%016llx\n",
+ (unsigned long long)vxi->vx_flags);
-+ buffer += sprintf(buffer, "CIPid:\t%d\n", vxi->vx_initpid);
++ seq_printf(m, "CIPid:\t%d\n", vxi->vx_initpid);
+
+ put_vx_info(vxi);
-+out:
-+ return buffer - orig;
++ return 0;
+}
+
+
-+int proc_pid_nx_info(struct task_struct *p, char *buffer)
++int proc_pid_nx_info(
++ struct seq_file *m,
++ struct pid_namespace *ns,
++ struct pid *pid,
++ struct task_struct *p)
+{
+ struct nx_info *nxi;
+ struct nx_addr_v4 *v4a;
+#ifdef CONFIG_IPV6
+ struct nx_addr_v6 *v6a;
+#endif
-+ char *orig = buffer;
+ int i;
+
-+ buffer += sprintf(buffer, "NID:\t%d\n", nx_task_nid(p));
++ seq_printf(m, "NID:\t%d\n", nx_task_nid(p));
+
+ nxi = task_get_nx_info(p);
+ if (!nxi)
-+ goto out;
++ return 0;
+
-+ buffer += sprintf(buffer, "NCaps:\t%016llx\n",
++ seq_printf(m, "NCaps:\t%016llx\n",
+ (unsigned long long)nxi->nx_ncaps);
-+ buffer += sprintf(buffer, "NFlags:\t%016llx\n",
++ seq_printf(m, "NFlags:\t%016llx\n",
+ (unsigned long long)nxi->nx_flags);
+
-+ buffer += sprintf(buffer,
-+ "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
++ seq_printf(m, "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
+ NIPQUAD(nxi->v4_bcast.s_addr));
-+ buffer += sprintf (buffer,
-+ "V4Root[lback]:\t" NIPQUAD_FMT "\n",
++ seq_printf(m, "V4Root[lback]:\t" NIPQUAD_FMT "\n",
+ NIPQUAD(nxi->v4_lback.s_addr));
+ if (!NX_IPV4(nxi))
+ goto skip_v4;
+ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
-+ buffer += sprintf(buffer, "V4Root[%d]:\t" NXAV4_FMT "\n",
++ seq_printf(m, "V4Root[%d]:\t" NXAV4_FMT "\n",
+ i, NXAV4(v4a));
+skip_v4:
+#ifdef CONFIG_IPV6
+ if (!NX_IPV6(nxi))
+ goto skip_v6;
+ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
-+ buffer += sprintf(buffer, "V6Root[%d]:\t" NXAV6_FMT "\n",
++ seq_printf(m, "V6Root[%d]:\t" NXAV6_FMT "\n",
+ i, NXAV6(v6a));
+skip_v6:
+#endif
+ put_nx_info(nxi);
-+out:
-+ return buffer - orig;
++ return 0;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/sched.c linux-3.9.5-vs2.3.6.5/kernel/vserver/sched.c
---- linux-3.9.5/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/sched.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/sched.c linux-4.9.217-vs2.3.9.12/kernel/vserver/sched.c
+--- linux-4.9.217/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/sched.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,83 @@
+/*
+ * linux/kernel/vserver/sched.c
+ *
+ * Virtual Server: Scheduler Support
+ *
-+ * Copyright (C) 2004-2010 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert P?tzl
+ *
+ * V0.01 adapted Sam Vilains version to 2.6.3
+ * V0.02 removed legacy interface
+ data->prio_bias = MIN_PRIO_BIAS;
+
+ if (data->cpu_id != ~0) {
-+ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
++ vxi->sched.update = *get_cpu_mask(data->cpu_id);
+ cpumask_and(&vxi->sched.update, &vxi->sched.update,
+ cpu_online_mask);
+ } else
+ cpumask_copy(&vxi->sched.update, cpu_online_mask);
+
-+ for_each_cpu_mask(cpu, vxi->sched.update)
++ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)vxi->sched.update)
+ vx_update_sched_param(&vxi->sched,
+ &vx_per_cpu(vxi, sched_pc, cpu));
+ return 0;
+ return 0;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/sched_init.h linux-3.9.5-vs2.3.6.5/kernel/vserver/sched_init.h
---- linux-3.9.5/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/sched_init.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/sched_init.h linux-4.9.217-vs2.3.9.12/kernel/vserver/sched_init.h
+--- linux-4.9.217/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/sched_init.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,27 @@
+
+static inline void vx_info_init_sched(struct _vx_sched *sched)
+{
+ return;
+}
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/sched_proc.h linux-3.9.5-vs2.3.6.5/kernel/vserver/sched_proc.h
---- linux-3.9.5/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/sched_proc.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/sched_proc.h linux-4.9.217-vs2.3.9.12/kernel/vserver/sched_proc.h
+--- linux-4.9.217/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/sched_proc.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,32 @@
+#ifndef _VX_SCHED_PROC_H
+#define _VX_SCHED_PROC_H
+}
+
+#endif /* _VX_SCHED_PROC_H */
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/signal.c linux-3.9.5-vs2.3.6.5/kernel/vserver/signal.c
---- linux-3.9.5/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/signal.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/signal.c linux-4.9.217-vs2.3.9.12/kernel/vserver/signal.c
+--- linux-4.9.217/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/signal.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,134 @@
+/*
+ * linux/kernel/vserver/signal.c
+ *
+ * Virtual Server: Signal Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 changed vcmds to vxi arg
+ return ret;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/space.c linux-3.9.5-vs2.3.6.5/kernel/vserver/space.c
---- linux-3.9.5/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/space.c 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,436 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/space.c linux-4.9.217-vs2.3.9.12/kernel/vserver/space.c
+--- linux-4.9.217/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/space.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,437 @@
+/*
+ * linux/kernel/vserver/space.c
+ *
+ * Virtual Server: Context Space Support
+ *
-+ * Copyright (C) 2003-2010 Herbert Pötzl
++ * Copyright (C) 2003-2010 Herbert P?tzl
+ *
+ * V0.01 broken out from context.c 0.07
+ * V0.02 added task locking for namespace
+atomic_t vs_global_fs = ATOMIC_INIT(0);
+atomic_t vs_global_mnt_ns = ATOMIC_INIT(0);
+atomic_t vs_global_uts_ns = ATOMIC_INIT(0);
++atomic_t vs_global_ipc_ns = ATOMIC_INIT(0);
+atomic_t vs_global_user_ns = ATOMIC_INIT(0);
+atomic_t vs_global_pid_ns = ATOMIC_INIT(0);
+
+ CLONE_NEWIPC |
+#endif
+#ifdef CONFIG_USER_NS
-+ CLONE_NEWUSER |
++// CLONE_NEWUSER |
+#endif
+#ifdef CONFIG_PID_NS
+// CLONE_NEWPID |
+
+#ifdef CONFIG_PID_NS
+ if (mask & CLONE_NEWPID) {
-+ old_pid = nsproxy->pid_ns;
-+ nsproxy->pid_ns = new_nsproxy->pid_ns;
-+ if (nsproxy->pid_ns)
-+ get_pid_ns(nsproxy->pid_ns);
++ old_pid = nsproxy->pid_ns_for_children;
++ nsproxy->pid_ns_for_children = new_nsproxy->pid_ns_for_children;
++ if (nsproxy->pid_ns_for_children)
++ get_pid_ns(nsproxy->pid_ns_for_children);
+ } else
+ old_pid = NULL;
+#endif
+ return 0;
+}
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/switch.c linux-3.9.5-vs2.3.6.5/kernel/vserver/switch.c
---- linux-3.9.5/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/switch.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/switch.c linux-4.9.217-vs2.3.9.12/kernel/vserver/switch.c
+--- linux-4.9.217/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/switch.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,556 @@
+/*
+ * linux/kernel/vserver/switch.c
+ *
+ * Virtual Server: Syscall Switch
+ *
-+ * Copyright (C) 2003-2011 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert P?tzl
+ *
+ * V0.01 syscall switch
+ * V0.02 added signal to context
+}
+
+#endif /* CONFIG_COMPAT */
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/sysctl.c linux-3.9.5-vs2.3.6.5/kernel/vserver/sysctl.c
---- linux-3.9.5/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/sysctl.c 2013-05-31 14:47:11.000000000 +0000
-@@ -0,0 +1,247 @@
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/sysctl.c linux-4.9.217-vs2.3.9.12/kernel/vserver/sysctl.c
+--- linux-4.9.217/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/sysctl.c 2018-10-20 04:58:15.000000000 +0000
+@@ -0,0 +1,249 @@
+/*
+ * kernel/vserver/sysctl.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ *
+#include <linux/ctype.h>
+#include <linux/sysctl.h>
+#include <linux/parser.h>
++#include <linux/utsname.h>
++
+#include <asm/uaccess.h>
++#include <asm/sections.h>
+
+enum {
+ CTL_DEBUG_ERROR = 0,
+
+
+static struct ctl_table_header *vserver_table_header;
-+static ctl_table vserver_root_table[];
++static struct ctl_table vserver_root_table[];
+
+
+void vserver_register_sysctl(void)
+ }
+}
+
-+
-+static int proc_dodebug(ctl_table *table, int write,
++static int proc_dodebug(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ char tmpbuf[20], *p, c;
+ .extra2 = &zero, \
+ }
+
-+static ctl_table vserver_debug_table[] = {
++static struct ctl_table vserver_debug_table[] = {
+ CTL_ENTRY(CTL_DEBUG_SWITCH, debug_switch),
+ CTL_ENTRY(CTL_DEBUG_XID, debug_xid),
+ CTL_ENTRY(CTL_DEBUG_NID, debug_nid),
+ { 0 }
+};
+
-+static ctl_table vserver_root_table[] = {
++static struct ctl_table vserver_root_table[] = {
+ {
+ .procname = "vserver",
+ .mode = 0555,
+EXPORT_SYMBOL_GPL(vs_debug_perm);
+EXPORT_SYMBOL_GPL(vs_debug_misc);
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/tag.c linux-3.9.5-vs2.3.6.5/kernel/vserver/tag.c
---- linux-3.9.5/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/tag.c 2013-06-12 23:49:09.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/tag.c linux-4.9.217-vs2.3.9.12/kernel/vserver/tag.c
+--- linux-4.9.217/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/tag.c 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,63 @@
+/*
+ * linux/kernel/vserver/tag.c
+ *
+ * Virtual Server: Shallow Tag Space
+ *
-+ * Copyright (C) 2007 Herbert Pötzl
++ * Copyright (C) 2007 Herbert P?tzl
+ *
+ * V0.01 basic implementation
+ *
+}
+
+
-diff -NurpP --minimal linux-3.9.5/kernel/vserver/vci_config.h linux-3.9.5-vs2.3.6.5/kernel/vserver/vci_config.h
---- linux-3.9.5/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/kernel/vserver/vci_config.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/kernel/vserver/vci_config.h linux-4.9.217-vs2.3.9.12/kernel/vserver/vci_config.h
+--- linux-4.9.217/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/kernel/vserver/vci_config.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,80 @@
+
+/* interface version */
+ 0;
+}
+
-diff -NurpP --minimal linux-3.9.5/mm/memcontrol.c linux-3.9.5-vs2.3.6.5/mm/memcontrol.c
---- linux-3.9.5/mm/memcontrol.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/memcontrol.c 2013-06-13 00:14:32.000000000 +0000
-@@ -1046,6 +1046,31 @@ struct mem_cgroup *mem_cgroup_from_task(
- return mem_cgroup_from_css(task_subsys_state(p, mem_cgroup_subsys_id));
+diff -NurpP --minimal linux-4.9.217/mm/memcontrol.c linux-4.9.217-vs2.3.9.12/mm/memcontrol.c
+--- linux-4.9.217/mm/memcontrol.c 2020-03-27 00:51:44.810116540 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/memcontrol.c 2020-04-01 09:40:32.745397028 +0000
+@@ -2854,6 +2854,41 @@ static u64 mem_cgroup_read_u64(struct cg
+ }
}
-+u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++unsigned long mem_cgroup_mem_usage_pages(struct mem_cgroup *memcg)
+{
-+ return res_counter_read_u64(&mem->res, member);
++ return mem_cgroup_usage(memcg, false);
+}
+
-+u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++unsigned long mem_cgroup_mem_limit_pages(struct mem_cgroup *memcg)
+{
-+ return res_counter_read_u64(&mem->memsw, member);
++ return memcg->memory.limit;
+}
+
-+s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++unsigned long mem_cgroup_memsw_usage_pages(struct mem_cgroup *memcg)
+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++ return mem_cgroup_usage(memcg, true);
+}
+
-+s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++unsigned long mem_cgroup_memsw_limit_pages(struct mem_cgroup *memcg)
+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++ return memcg->memsw.limit;
+}
+
-+s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
++void dump_mem_cgroup(struct mem_cgroup *memcg)
+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
++ printk(KERN_INFO "memcg: %p/%d:\n"
++ "\tmemory:\t%lu/%lu %lu/%lu\n"
++ "\tmemsw:\t%lu/%lu %lu/%lu\n"
++ "\tkmem:\t%lu/%lu %lu/%lu\n",
++ memcg, memcg->id.id,
++ page_counter_read(&memcg->memory), memcg->memory.limit,
++ memcg->memory.watermark, memcg->memory.failcnt,
++ page_counter_read(&memcg->memsw), memcg->memsw.limit,
++ memcg->memsw.watermark, memcg->memsw.failcnt,
++ page_counter_read(&memcg->kmem), memcg->kmem.limit,
++ memcg->kmem.watermark, memcg->kmem.failcnt);
+}
+
- struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
+ #ifndef CONFIG_SLOB
+ static int memcg_online_kmem(struct mem_cgroup *memcg)
{
- struct mem_cgroup *memcg = NULL;
-diff -NurpP --minimal linux-3.9.5/mm/oom_kill.c linux-3.9.5-vs2.3.6.5/mm/oom_kill.c
---- linux-3.9.5/mm/oom_kill.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/oom_kill.c 2013-05-31 14:47:11.000000000 +0000
-@@ -35,6 +35,8 @@
- #include <linux/freezer.h>
- #include <linux/ftrace.h>
- #include <linux/ratelimit.h>
+diff -NurpP --minimal linux-4.9.217/mm/oom_kill.c linux-4.9.217-vs2.3.9.12/mm/oom_kill.c
+--- linux-4.9.217/mm/oom_kill.c 2020-03-27 00:51:44.980113860 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/oom_kill.c 2019-02-22 08:37:56.143042249 +0000
+@@ -38,6 +38,8 @@
+ #include <linux/kthread.h>
+ #include <linux/init.h>
+ #include <linux/mmu_notifier.h>
+#include <linux/reboot.h>
+#include <linux/vs_context.h>
- #define CREATE_TRACE_POINTS
- #include <trace/events/oom.h>
-@@ -113,11 +115,18 @@ struct task_struct *find_lock_task_mm(st
+ #include <asm/tlb.h>
+ #include "internal.h"
+@@ -142,11 +144,18 @@ static inline bool is_memcg_oom(struct o
static bool oom_unkillable_task(struct task_struct *p,
- const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+ struct mem_cgroup *memcg, const nodemask_t *nodemask)
{
- if (is_global_init(p))
+ unsigned xid = vx_current_xid();
/* When mem_cgroup_out_of_memory() and p is not member of the group */
if (memcg && !task_in_mem_cgroup(p, memcg))
return true;
-@@ -426,8 +435,8 @@ void oom_kill_process(struct task_struct
- dump_header(p, gfp_mask, order, memcg, nodemask);
+@@ -851,8 +860,8 @@ static void oom_kill_process(struct oom_
+ if (__ratelimit(&oom_rs))
+ dump_header(oc, p);
- task_lock(p);
-- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- pr_err("%s: Kill process %d (%s) score %u or sacrifice child\n",
- message, task_pid_nr(p), p->comm, points);
+ pr_err("%s: Kill process %d:#%u (%s) score %d or sacrifice child\n",
+ message, task_pid_nr(p), p->xid, p->comm, points);
- task_unlock(p);
/*
-@@ -472,8 +481,8 @@ void oom_kill_process(struct task_struct
-
- /* mm cannot safely be dereferenced after task_unlock(victim) */
- mm = victim->mm;
-- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+ * If any of p's children has a different mm and is eligible for kill,
+@@ -910,8 +919,8 @@ static void oom_kill_process(struct oom_
+ */
+ do_send_sig_info(SIGKILL, SEND_SIG_FORCED, victim, true);
+ mark_oom_victim(victim);
+- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB\n",
- task_pid_nr(victim), victim->comm, K(victim->mm->total_vm),
-+ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
++ pr_err("Killed process %d:%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB\n",
+ task_pid_nr(victim), victim->xid, victim->comm, K(victim->mm->total_vm),
K(get_mm_counter(victim->mm, MM_ANONPAGES)),
- K(get_mm_counter(victim->mm, MM_FILEPAGES)));
- task_unlock(victim);
-@@ -543,6 +552,8 @@ int unregister_oom_notifier(struct notif
+ K(get_mm_counter(victim->mm, MM_FILEPAGES)),
+ K(get_mm_counter(victim->mm, MM_SHMEMPAGES)));
+@@ -958,6 +967,8 @@ static void oom_kill_process(struct oom_
}
- EXPORT_SYMBOL_GPL(unregister_oom_notifier);
+ #undef K
+long vs_oom_action(unsigned int);
+
/*
- * Try to acquire the OOM killer lock for the zones in zonelist. Returns zero
- * if a parallel OOM killing is already taking place that includes a zone in
-@@ -655,7 +666,12 @@ void out_of_memory(struct zonelist *zone
+ * Determines whether the kernel must panic because of the panic_on_oom sysctl.
+ */
+@@ -1063,7 +1074,12 @@ bool out_of_memory(struct oom_control *o
/* Found nothing?!?! Either we hang forever, or we panic. */
- if (!p) {
- dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
+ if (!oc->chosen && !is_sysrq_oom(oc) && !is_memcg_oom(oc)) {
+ dump_header(oc, NULL);
- panic("Out of memory and no killable processes...\n");
+
+ /* avoid panic for guest OOM */
+ else
+ panic("Out of memory and no killable processes...\n");
}
- if (PTR_ERR(p) != -1UL) {
- oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
-diff -NurpP --minimal linux-3.9.5/mm/page_alloc.c linux-3.9.5-vs2.3.6.5/mm/page_alloc.c
---- linux-3.9.5/mm/page_alloc.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/page_alloc.c 2013-05-31 15:08:50.000000000 +0000
-@@ -59,6 +59,8 @@
- #include <linux/migrate.h>
- #include <linux/page-debug-flags.h>
- #include <linux/sched/rt.h>
+ if (oc->chosen && oc->chosen != (void *)-1UL) {
+ oom_kill_process(oc, !is_memcg_oom(oc) ? "Out of memory" :
+diff -NurpP --minimal linux-4.9.217/mm/page_alloc.c linux-4.9.217-vs2.3.9.12/mm/page_alloc.c
+--- linux-4.9.217/mm/page_alloc.c 2020-03-27 00:51:44.980113860 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/page_alloc.c 2020-04-01 09:45:52.210102682 +0000
+@@ -64,6 +64,8 @@
+ #include <linux/kthread.h>
+ #include <linux/memcontrol.h>
+ #include <linux/khugepaged.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
+ #include <asm/sections.h>
#include <asm/tlbflush.h>
- #include <asm/div64.h>
-@@ -2873,6 +2875,9 @@ void si_meminfo(struct sysinfo *val)
+@@ -4164,14 +4166,17 @@ long si_mem_available(void)
+ */
+ pagecache = pages[LRU_ACTIVE_FILE] + pages[LRU_INACTIVE_FILE];
+ pagecache -= min(pagecache / 2, wmark_low);
+- available += pagecache;
++ if (!vx_flags(VXF_VIRT_MEM, 0))
++ available += pagecache;
+
+ /*
+ * Part of the reclaimable slab consists of items that are in use,
+ * and cannot be freed. Cap this estimate at the low watermark.
+ */
+- available += global_page_state(NR_SLAB_RECLAIMABLE) -
+- min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low);
++ if (!vx_flags(VXF_VIRT_MEM, 0))
++ available += global_page_state(NR_SLAB_RECLAIMABLE) -
++ min(global_page_state(NR_SLAB_RECLAIMABLE) / 2,
++ wmark_low);
+
+ if (available < 0)
+ available = 0;
+@@ -4188,6 +4193,9 @@ void si_meminfo(struct sysinfo *val)
val->totalhigh = totalhigh_pages;
val->freehigh = nr_free_highpages();
val->mem_unit = PAGE_SIZE;
}
EXPORT_SYMBOL(si_meminfo);
-@@ -2893,6 +2898,9 @@ void si_meminfo_node(struct sysinfo *val
- val->freehigh = 0;
+@@ -4222,6 +4230,9 @@ void si_meminfo_node(struct sysinfo *val
+ val->freehigh = free_highpages;
#endif
val->mem_unit = PAGE_SIZE;
+
}
#endif
-diff -NurpP --minimal linux-3.9.5/mm/pgtable-generic.c linux-3.9.5-vs2.3.6.5/mm/pgtable-generic.c
---- linux-3.9.5/mm/pgtable-generic.c 2013-02-19 13:58:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/pgtable-generic.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/mm/pgtable-generic.c linux-4.9.217-vs2.3.9.12/mm/pgtable-generic.c
+--- linux-4.9.217/mm/pgtable-generic.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/pgtable-generic.c 2018-10-20 04:58:15.000000000 +0000
@@ -6,6 +6,8 @@
* Copyright (C) 2010 Linus Torvalds
*/
#include <linux/pagemap.h>
#include <asm/tlb.h>
#include <asm-generic/pgtable.h>
-diff -NurpP --minimal linux-3.9.5/mm/shmem.c linux-3.9.5-vs2.3.6.5/mm/shmem.c
---- linux-3.9.5/mm/shmem.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/shmem.c 2013-05-31 14:47:11.000000000 +0000
-@@ -1909,7 +1909,7 @@ static int shmem_statfs(struct dentry *d
+diff -NurpP --minimal linux-4.9.217/mm/shmem.c linux-4.9.217-vs2.3.9.12/mm/shmem.c
+--- linux-4.9.217/mm/shmem.c 2020-03-27 00:51:45.000113543 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/shmem.c 2019-12-25 15:37:52.838415659 +0000
+@@ -2803,7 +2803,7 @@ static int shmem_statfs(struct dentry *d
{
struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
- buf->f_type = TMPFS_MAGIC;
+ buf->f_type = TMPFS_SUPER_MAGIC;
- buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_bsize = PAGE_SIZE;
buf->f_namelen = NAME_MAX;
if (sbinfo->max_blocks) {
-@@ -2606,7 +2606,7 @@ int shmem_fill_super(struct super_block
+@@ -3628,7 +3628,7 @@ int shmem_fill_super(struct super_block
sb->s_maxbytes = MAX_LFS_FILESIZE;
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+ sb->s_blocksize = PAGE_SIZE;
+ sb->s_blocksize_bits = PAGE_SHIFT;
- sb->s_magic = TMPFS_MAGIC;
+ sb->s_magic = TMPFS_SUPER_MAGIC;
sb->s_op = &shmem_ops;
sb->s_time_gran = 1;
#ifdef CONFIG_TMPFS_XATTR
-diff -NurpP --minimal linux-3.9.5/mm/slab.c linux-3.9.5-vs2.3.6.5/mm/slab.c
---- linux-3.9.5/mm/slab.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/slab.c 2013-05-31 14:47:11.000000000 +0000
-@@ -429,6 +429,8 @@ static void kmem_list3_init(struct kmem_
+diff -NurpP --minimal linux-4.9.217/mm/slab.c linux-4.9.217-vs2.3.9.12/mm/slab.c
+--- linux-4.9.217/mm/slab.c 2020-03-27 00:51:45.010113388 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/slab.c 2019-10-05 14:58:46.200299086 +0000
+@@ -307,6 +307,8 @@ static void kmem_cache_node_init(struct
#define STATS_INC_FREEMISS(x) do { } while (0)
#endif
#if DEBUG
/*
-@@ -3438,6 +3440,7 @@ retry:
-
- obj = slab_get_obj(cachep, slabp, nodeid);
- check_slabp(cachep, slabp);
-+ vx_slab_alloc(cachep, flags);
- l3->free_objects--;
- /* move slabp to correct slabp list: */
- list_del(&slabp->list);
-@@ -3517,6 +3520,7 @@ slab_alloc_node(struct kmem_cache *cache
+@@ -3344,6 +3346,7 @@ slab_alloc_node(struct kmem_cache *cache
/* ___cache_alloc_node can fall back to other nodes */
ptr = ____cache_alloc_node(cachep, flags, nodeid);
out:
+ vx_slab_alloc(cachep, flags);
local_irq_restore(save_flags);
ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
- kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags,
-@@ -3709,6 +3713,7 @@ static inline void __cache_free(struct k
+
+@@ -3525,6 +3528,7 @@ void ___cache_free(struct kmem_cache *ca
check_irq_off();
kmemleak_free_recursive(objp, cachep->flags);
objp = cache_free_debugcheck(cachep, objp, caller);
kmemcheck_slab_free(cachep, objp, cachep->object_size);
-diff -NurpP --minimal linux-3.9.5/mm/slab_vs.h linux-3.9.5-vs2.3.6.5/mm/slab_vs.h
---- linux-3.9.5/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/slab_vs.h 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/mm/slab_vs.h linux-4.9.217-vs2.3.9.12/mm/slab_vs.h
+--- linux-4.9.217/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/slab_vs.h 2018-10-20 04:58:15.000000000 +0000
@@ -0,0 +1,29 @@
+
+#include <linux/vserver/context.h>
+ atomic_sub(cachep->size, &vxi->cacct.slab[what]);
+}
+
-diff -NurpP --minimal linux-3.9.5/mm/swapfile.c linux-3.9.5-vs2.3.6.5/mm/swapfile.c
---- linux-3.9.5/mm/swapfile.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/mm/swapfile.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/mm/swapfile.c linux-4.9.217-vs2.3.9.12/mm/swapfile.c
+--- linux-4.9.217/mm/swapfile.c 2020-03-27 00:51:45.030113073 +0000
++++ linux-4.9.217-vs2.3.9.12/mm/swapfile.c 2018-10-20 05:55:43.000000000 +0000
@@ -39,6 +39,7 @@
#include <asm/tlbflush.h>
#include <linux/swapops.h>
- #include <linux/page_cgroup.h>
+ #include <linux/swap_cgroup.h>
+#include <linux/vs_base.h>
static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
unsigned char);
-@@ -1767,6 +1768,16 @@ static int swap_show(struct seq_file *sw
+@@ -2083,6 +2084,16 @@ static int swap_show(struct seq_file *sw
if (si == SEQ_START_TOKEN) {
seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
+ if (vx_flags(VXF_VIRT_MEM, 0)) {
-+ struct sysinfo si;
++ struct sysinfo si = { 0 };
+
+ vx_vsi_swapinfo(&si);
+ if (si.totalswap < (1 << 10))
return 0;
}
-@@ -2195,6 +2206,8 @@ void si_swapinfo(struct sysinfo *val)
+@@ -2630,6 +2641,8 @@ void si_swapinfo(struct sysinfo *val)
val->freeswap = atomic_long_read(&nr_swap_pages) + nr_to_be_unused;
val->totalswap = total_swap_pages + nr_to_be_unused;
spin_unlock(&swap_lock);
}
/*
-diff -NurpP --minimal linux-3.9.5/net/bridge/br_multicast.c linux-3.9.5-vs2.3.6.5/net/bridge/br_multicast.c
---- linux-3.9.5/net/bridge/br_multicast.c 2013-05-31 13:45:31.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/bridge/br_multicast.c 2013-05-31 17:17:53.000000000 +0000
-@@ -443,7 +443,7 @@ static struct sk_buff *br_ip6_multicast_
+diff -NurpP --minimal linux-4.9.217/net/bridge/br_multicast.c linux-4.9.217-vs2.3.9.12/net/bridge/br_multicast.c
+--- linux-4.9.217/net/bridge/br_multicast.c 2020-03-27 00:51:45.750101724 +0000
++++ linux-4.9.217-vs2.3.9.12/net/bridge/br_multicast.c 2019-10-05 14:58:46.250298288 +0000
+@@ -465,7 +465,7 @@ static struct sk_buff *br_ip6_multicast_
ip6h->hop_limit = 1;
ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
- &ip6h->saddr)) {
+ &ip6h->saddr, NULL)) {
kfree_skb(skb);
+ br->has_ipv6_addr = 0;
return NULL;
- }
-diff -NurpP --minimal linux-3.9.5/net/core/dev.c linux-3.9.5-vs2.3.6.5/net/core/dev.c
---- linux-3.9.5/net/core/dev.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/core/dev.c 2013-05-31 18:37:38.000000000 +0000
-@@ -122,6 +122,7 @@
+diff -NurpP --minimal linux-4.9.217/net/core/dev.c linux-4.9.217-vs2.3.9.12/net/core/dev.c
+--- linux-4.9.217/net/core/dev.c 2020-03-27 00:51:45.850100149 +0000
++++ linux-4.9.217-vs2.3.9.12/net/core/dev.c 2019-12-25 15:37:52.958413722 +0000
+@@ -126,6 +126,7 @@
#include <linux/in.h>
#include <linux/jhash.h>
#include <linux/random.h>
#include <trace/events/napi.h>
#include <trace/events/net.h>
#include <trace/events/skb.h>
-@@ -662,7 +663,8 @@ struct net_device *__dev_get_by_name(str
+@@ -730,7 +731,8 @@ struct net_device *__dev_get_by_name(str
struct hlist_head *head = dev_name_hash(net, name);
hlist_for_each_entry(dev, head, name_hlist)
return dev;
return NULL;
-@@ -687,7 +689,8 @@ struct net_device *dev_get_by_name_rcu(s
+@@ -755,7 +757,8 @@ struct net_device *dev_get_by_name_rcu(s
struct hlist_head *head = dev_name_hash(net, name);
hlist_for_each_entry_rcu(dev, head, name_hlist)
return dev;
return NULL;
-@@ -737,7 +740,8 @@ struct net_device *__dev_get_by_index(st
+@@ -805,7 +808,8 @@ struct net_device *__dev_get_by_index(st
struct hlist_head *head = dev_index_hash(net, ifindex);
hlist_for_each_entry(dev, head, index_hlist)
return dev;
return NULL;
-@@ -755,7 +759,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+@@ -823,7 +827,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
* about locking. The caller must hold RCU lock.
*/
{
struct net_device *dev;
struct hlist_head *head = dev_index_hash(net, ifindex);
-@@ -766,6 +770,16 @@ struct net_device *dev_get_by_index_rcu(
+@@ -834,6 +838,16 @@ struct net_device *dev_get_by_index_rcu(
return NULL;
}
EXPORT_SYMBOL(dev_get_by_index_rcu);
-@@ -814,7 +828,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
+@@ -916,7 +930,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
for_each_netdev_rcu(net, dev)
if (dev->type == type &&
return dev;
return NULL;
-@@ -826,9 +841,11 @@ struct net_device *__dev_getfirstbyhwtyp
+@@ -928,9 +943,11 @@ struct net_device *__dev_getfirstbyhwtyp
struct net_device *dev;
ASSERT_RTNL();
return NULL;
}
-@@ -840,7 +857,8 @@ struct net_device *dev_getfirstbyhwtype(
+@@ -942,7 +959,8 @@ struct net_device *dev_getfirstbyhwtype(
rcu_read_lock();
for_each_netdev_rcu(net, dev)
dev_hold(dev);
ret = dev;
break;
-@@ -868,7 +886,8 @@ struct net_device *dev_get_by_flags_rcu(
+@@ -972,7 +990,8 @@ struct net_device *__dev_get_by_flags(st
ret = NULL;
- for_each_netdev_rcu(net, dev) {
+ for_each_netdev(net, dev) {
- if (((dev->flags ^ if_flags) & mask) == 0) {
+ if ((((dev->flags ^ if_flags) & mask) == 0) &&
+ nx_dev_visible(current_nx_info(), dev)) {
ret = dev;
break;
}
-@@ -946,6 +965,8 @@ static int __dev_alloc_name(struct net *
+@@ -1050,6 +1069,8 @@ static int __dev_alloc_name(struct net *
continue;
if (i < 0 || i >= max_netdevices)
continue;
/* avoid cases where sscanf is not exact inverse of printf */
snprintf(buf, IFNAMSIZ, name, i);
-diff -NurpP --minimal linux-3.9.5/net/core/net-procfs.c linux-3.9.5-vs2.3.6.5/net/core/net-procfs.c
---- linux-3.9.5/net/core/net-procfs.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/core/net-procfs.c 2013-06-01 10:40:52.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/core/net-procfs.c linux-4.9.217-vs2.3.9.12/net/core/net-procfs.c
+--- linux-4.9.217/net/core/net-procfs.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/core/net-procfs.c 2018-10-20 04:58:15.000000000 +0000
@@ -1,6 +1,7 @@
#include <linux/netdevice.h>
#include <linux/proc_fs.h>
seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
"%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
dev->name, stats->rx_bytes, stats->rx_packets,
-diff -NurpP --minimal linux-3.9.5/net/core/rtnetlink.c linux-3.9.5-vs2.3.6.5/net/core/rtnetlink.c
---- linux-3.9.5/net/core/rtnetlink.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/core/rtnetlink.c 2013-05-31 17:17:54.000000000 +0000
-@@ -1085,6 +1085,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
- hlist_for_each_entry_rcu(dev, head, index_hlist) {
+diff -NurpP --minimal linux-4.9.217/net/core/rtnetlink.c linux-4.9.217-vs2.3.9.12/net/core/rtnetlink.c
+--- linux-4.9.217/net/core/rtnetlink.c 2020-03-27 00:51:45.900099361 +0000
++++ linux-4.9.217-vs2.3.9.12/net/core/rtnetlink.c 2019-12-25 15:37:52.958413722 +0000
+@@ -1615,6 +1615,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ goto cont;
if (idx < s_idx)
goto cont;
+ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
+ continue;
- if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
- NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, 0,
-@@ -1974,6 +1976,9 @@ void rtmsg_ifinfo(int type, struct net_d
- int err = -ENOBUFS;
- size_t if_info_size;
+ err = rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -2841,6 +2843,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ {
+ struct sk_buff *skb;
+ if (!nx_dev_visible(current_nx_info(), dev))
+ return;
+
- skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
- if (skb == NULL)
- goto errout;
-diff -NurpP --minimal linux-3.9.5/net/core/sock.c linux-3.9.5-vs2.3.6.5/net/core/sock.c
---- linux-3.9.5/net/core/sock.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/core/sock.c 2013-05-31 17:17:54.000000000 +0000
-@@ -132,6 +132,10 @@
- #include <net/netprio_cgroup.h>
+ if (dev->reg_state != NETREG_REGISTERED)
+ return;
+
+diff -NurpP --minimal linux-4.9.217/net/core/sock.c linux-4.9.217-vs2.3.9.12/net/core/sock.c
+--- linux-4.9.217/net/core/sock.c 2020-03-27 00:51:45.900099361 +0000
++++ linux-4.9.217-vs2.3.9.12/net/core/sock.c 2020-02-26 14:31:15.988223949 +0000
+@@ -135,6 +135,10 @@
#include <linux/filter.h>
+ #include <net/sock_reuseport.h>
+#include <linux/vs_socket.h>
+#include <linux/vs_limit.h>
+#include <linux/vs_context.h>
#include <trace/events/sock.h>
-@@ -1257,6 +1261,8 @@ static struct sock *sk_prot_alloc(struct
+@@ -1339,6 +1343,9 @@ static struct sock *sk_prot_alloc(struct
+ if (!try_module_get(prot->owner))
goto out_free_sec;
sk_tx_queue_clear(sk);
- }
++
+ sock_vx_init(sk);
+ sock_nx_init(sk);
+ }
return sk;
-
-@@ -1367,6 +1373,11 @@ static void __sk_free(struct sock *sk)
- put_cred(sk->sk_peer_cred);
+@@ -1443,6 +1450,11 @@ static void __sk_destruct(struct rcu_hea
put_pid(sk->sk_peer_pid);
- put_net(sock_net(sk));
+ if (likely(sk->sk_net_refcnt))
+ put_net(sock_net(sk));
+ vx_sock_dec(sk);
+ clr_vx_info(&sk->sk_vx_info);
+ sk->sk_xid = -1;
sk_prot_free(sk->sk_prot_creator, sk);
}
-@@ -1427,6 +1438,8 @@ struct sock *sk_clone_lock(const struct
-
+@@ -1504,6 +1516,8 @@ struct sock *sk_clone_lock(const struct
/* SANITY */
- get_net(sock_net(newsk));
+ if (likely(newsk->sk_net_refcnt))
+ get_net(sock_net(newsk));
+ sock_vx_init(newsk);
+ sock_nx_init(newsk);
sk_node_init(&newsk->sk_node);
sock_lock_init(newsk);
bh_lock_sock(newsk);
-@@ -1483,6 +1496,12 @@ struct sock *sk_clone_lock(const struct
+@@ -1574,6 +1588,12 @@ struct sock *sk_clone_lock(const struct
smp_wmb();
atomic_set(&newsk->sk_refcnt, 2);
/*
* Increment the counter in the same struct proto as the master
* sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
-@@ -2278,6 +2297,12 @@ void sock_init_data(struct socket *sock,
-
- sk->sk_stamp = ktime_set(-1L, 0);
+@@ -2477,6 +2497,12 @@ void sock_init_data(struct socket *sock,
+ seqlock_init(&sk->sk_stamp_seq);
+ #endif
+ set_vx_info(&sk->sk_vx_info, current_vx_info());
+ sk->sk_xid = vx_current_xid();
+ set_nx_info(&sk->sk_nx_info, current_nx_info());
+ sk->sk_nid = nx_current_nid();
+
- /*
- * Before updating sk_refcnt, we must commit prior changes to memory
- * (Documentation/RCU/rculist_nulls.txt for details)
-diff -NurpP --minimal linux-3.9.5/net/ipv4/af_inet.c linux-3.9.5-vs2.3.6.5/net/ipv4/af_inet.c
---- linux-3.9.5/net/ipv4/af_inet.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/af_inet.c 2013-06-03 17:22:33.000000000 +0000
-@@ -118,6 +118,7 @@
- #ifdef CONFIG_IP_MROUTE
- #include <linux/mroute.h>
- #endif
-+#include <linux/vs_limit.h>
-
-
- /* The inetsw table contains everything that inet_create needs to
-@@ -336,10 +337,13 @@ lookup_protocol:
+ #ifdef CONFIG_NET_RX_BUSY_POLL
+ sk->sk_napi_id = 0;
+ sk->sk_ll_usec = sysctl_net_busy_read;
+diff -NurpP --minimal linux-4.9.217/net/ipv4/af_inet.c linux-4.9.217-vs2.3.9.12/net/ipv4/af_inet.c
+--- linux-4.9.217/net/ipv4/af_inet.c 2020-03-27 00:51:46.330092583 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/af_inet.c 2018-10-20 05:55:44.000000000 +0000
+@@ -303,10 +303,15 @@ lookup_protocol:
}
err = -EPERM;
+ if ((protocol == IPPROTO_ICMP) &&
+ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
+ goto override;
++
if (sock->type == SOCK_RAW && !kern &&
!ns_capable(net->user_ns, CAP_NET_RAW))
goto out_rcu_unlock;
--
+
+override:
sock->ops = answer->ops;
answer_prot = answer->prot;
- answer_no_check = answer->no_check;
-@@ -460,6 +464,7 @@ int inet_bind(struct socket *sock, struc
- struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
+ answer_flags = answer->flags;
+@@ -424,6 +429,7 @@ int inet_bind(struct socket *sock, struc
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
-+ struct nx_v4_sock_addr nsa;
struct net *net = sock_net(sk);
++ struct nx_v4_sock_addr nsa;
unsigned short snum;
int chk_addr_ret;
-@@ -484,7 +489,11 @@ int inet_bind(struct socket *sock, struc
- goto out;
+ u32 tb_id = RT_TABLE_LOCAL;
+@@ -449,7 +455,11 @@ int inet_bind(struct socket *sock, struc
}
-- chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr);
+ tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id;
+- chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id);
+ err = v4_map_sock_addr(inet, addr, &nsa);
+ if (err)
+ goto out;
+
-+ chk_addr_ret = inet_addr_type(net, nsa.saddr);
++ chk_addr_ret = inet_addr_type_table(net, nsa.saddr, tb_id);
/* Not specified by any standard per-se, however it breaks too
* many applications when removed. It is unfortunate since
-@@ -496,7 +505,7 @@ int inet_bind(struct socket *sock, struc
+@@ -461,7 +471,7 @@ int inet_bind(struct socket *sock, struc
err = -EADDRNOTAVAIL;
- if (!sysctl_ip_nonlocal_bind &&
+ if (!net->ipv4.sysctl_ip_nonlocal_bind &&
!(inet->freebind || inet->transparent) &&
- addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
+ nsa.saddr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST &&
chk_addr_ret != RTN_BROADCAST)
-@@ -522,7 +531,7 @@ int inet_bind(struct socket *sock, struc
+@@ -487,7 +497,7 @@ int inet_bind(struct socket *sock, struc
if (sk->sk_state != TCP_CLOSE || inet->inet_num)
goto out_release_sock;
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
inet->inet_saddr = 0; /* Use device */
-@@ -741,11 +750,13 @@ int inet_getname(struct socket *sock, st
+@@ -706,11 +716,13 @@ int inet_getname(struct socket *sock, st
peer == 1))
return -ENOTCONN;
sin->sin_port = inet->inet_dport;
sin->sin_port = inet->inet_sport;
sin->sin_addr.s_addr = addr;
}
-diff -NurpP --minimal linux-3.9.5/net/ipv4/arp.c linux-3.9.5-vs2.3.6.5/net/ipv4/arp.c
---- linux-3.9.5/net/ipv4/arp.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/arp.c 2013-05-31 17:17:54.000000000 +0000
-@@ -1317,6 +1317,7 @@ static void arp_format_neigh_entry(struc
+@@ -894,6 +906,7 @@ static int inet_compat_ioctl(struct sock
+ return err;
+ }
+ #endif
++#include <linux/vs_limit.h>
+
+ const struct proto_ops inet_stream_ops = {
+ .family = PF_INET,
+diff -NurpP --minimal linux-4.9.217/net/ipv4/arp.c linux-4.9.217-vs2.3.9.12/net/ipv4/arp.c
+--- linux-4.9.217/net/ipv4/arp.c 2020-03-27 00:51:46.330092583 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/arp.c 2018-10-20 04:58:15.000000000 +0000
+@@ -1320,6 +1320,7 @@ static void arp_format_neigh_entry(struc
struct net_device *dev = n->dev;
int hatype = dev->type;
read_lock(&n->lock);
/* Convert hardware address to XX:XX:XX:XX ... form. */
#if IS_ENABLED(CONFIG_AX25)
-@@ -1348,6 +1349,7 @@ static void arp_format_pneigh_entry(stru
+@@ -1351,6 +1352,7 @@ static void arp_format_pneigh_entry(stru
int hatype = dev ? dev->type : 0;
char tbuf[16];
sprintf(tbuf, "%pI4", n->key);
seq_printf(seq, "%-16s 0x%-10x0x%-10x%s * %s\n",
tbuf, hatype, ATF_PUBL | ATF_PERM, "00:00:00:00:00:00",
-diff -NurpP --minimal linux-3.9.5/net/ipv4/devinet.c linux-3.9.5-vs2.3.6.5/net/ipv4/devinet.c
---- linux-3.9.5/net/ipv4/devinet.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/devinet.c 2013-05-31 17:17:54.000000000 +0000
-@@ -522,6 +522,7 @@ struct in_device *inetdev_by_index(struc
+diff -NurpP --minimal linux-4.9.217/net/ipv4/devinet.c linux-4.9.217-vs2.3.9.12/net/ipv4/devinet.c
+--- linux-4.9.217/net/ipv4/devinet.c 2020-03-27 00:51:46.330092583 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/devinet.c 2019-12-25 15:37:52.998413076 +0000
+@@ -546,6 +546,7 @@ struct in_device *inetdev_by_index(struc
}
EXPORT_SYMBOL(inetdev_by_index);
/* Called only from RTNL semaphored context. No locks. */
struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
-@@ -940,6 +941,8 @@ int devinet_ioctl(struct net *net, unsig
+@@ -1000,6 +1001,8 @@ int devinet_ioctl(struct net *net, unsig
in_dev = __in_dev_get_rtnl(dev);
if (in_dev) {
if (tryaddrmatch) {
/* Matthias Andree */
/* compare label and address (4.4BSD style) */
-@@ -948,6 +951,8 @@ int devinet_ioctl(struct net *net, unsig
+@@ -1008,6 +1011,8 @@ int devinet_ioctl(struct net *net, unsig
This is checked above. */
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
ifap = &ifa->ifa_next) {
if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
sin_orig.sin_addr.s_addr ==
ifa->ifa_local) {
-@@ -960,9 +965,12 @@ int devinet_ioctl(struct net *net, unsig
+@@ -1020,9 +1025,12 @@ int devinet_ioctl(struct net *net, unsig
comparing just the label */
if (!ifa) {
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
}
}
-@@ -1116,6 +1124,8 @@ static int inet_gifconf(struct net_devic
+@@ -1176,6 +1184,8 @@ static int inet_gifconf(struct net_devic
goto out;
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
if (!buf) {
done += sizeof(ifr);
continue;
-@@ -1519,6 +1529,7 @@ static int inet_dump_ifaddr(struct sk_bu
+@@ -1598,6 +1608,7 @@ static int inet_dump_ifaddr(struct sk_bu
struct net_device *dev;
struct in_device *in_dev;
struct in_ifaddr *ifa;
struct hlist_head *head;
s_h = cb->args[0];
-@@ -1540,6 +1551,8 @@ static int inet_dump_ifaddr(struct sk_bu
+@@ -1621,6 +1632,8 @@ static int inet_dump_ifaddr(struct sk_bu
for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
ifa = ifa->ifa_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
if (inet_fill_ifaddr(skb, ifa,
-diff -NurpP --minimal linux-3.9.5/net/ipv4/fib_trie.c linux-3.9.5-vs2.3.6.5/net/ipv4/fib_trie.c
---- linux-3.9.5/net/ipv4/fib_trie.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/fib_trie.c 2013-05-31 17:17:54.000000000 +0000
-@@ -2548,6 +2548,7 @@ static int fib_route_seq_show(struct seq
- || fa->fa_type == RTN_MULTICAST)
- continue;
+diff -NurpP --minimal linux-4.9.217/net/ipv4/fib_trie.c linux-4.9.217-vs2.3.9.12/net/ipv4/fib_trie.c
+--- linux-4.9.217/net/ipv4/fib_trie.c 2020-03-27 00:51:46.330092583 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/fib_trie.c 2019-02-22 08:37:56.413037657 +0000
+@@ -2627,6 +2627,7 @@ static int fib_route_seq_show(struct seq
+
+ seq_setwidth(seq, 127);
+
++ /* FIXME: check for network context? */
+ if (fi)
+ seq_printf(seq,
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+diff -NurpP --minimal linux-4.9.217/net/ipv4/inet_connection_sock.c linux-4.9.217-vs2.3.9.12/net/ipv4/inet_connection_sock.c
+--- linux-4.9.217/net/ipv4/inet_connection_sock.c 2020-03-27 00:51:46.340092422 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/inet_connection_sock.c 2019-10-05 14:58:46.260298130 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/module.h>
+ #include <linux/jhash.h>
-+ /* FIXME: check for network context? */
- if (fi)
- seq_printf(seq,
- "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
-diff -NurpP --minimal linux-3.9.5/net/ipv4/inet_connection_sock.c linux-3.9.5-vs2.3.6.5/net/ipv4/inet_connection_sock.c
---- linux-3.9.5/net/ipv4/inet_connection_sock.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/inet_connection_sock.c 2013-05-31 18:29:56.000000000 +0000
-@@ -53,6 +53,37 @@ void inet_get_local_port_range(int *low,
++#include <net/addrconf.h>
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+ #include <net/inet_timewait_sock.h>
+@@ -44,6 +45,7 @@ void inet_get_local_port_range(struct ne
}
EXPORT_SYMBOL(inet_get_local_port_range);
-+int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
-+{
-+ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1),
-+ sk2_rcv_saddr = sk_rcv_saddr(sk2);
-+
-+ if (inet_v6_ipv6only(sk2))
-+ return 0;
-+
-+ if (sk1_rcv_saddr &&
-+ sk2_rcv_saddr &&
-+ sk1_rcv_saddr == sk2_rcv_saddr)
-+ return 1;
-+
-+ if (sk1_rcv_saddr &&
-+ !sk2_rcv_saddr &&
-+ v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, NXA_MASK_BIND))
-+ return 1;
-+
-+ if (sk2_rcv_saddr &&
-+ !sk1_rcv_saddr &&
-+ v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, NXA_MASK_BIND))
-+ return 1;
-+
-+ if (!sk1_rcv_saddr &&
-+ !sk2_rcv_saddr &&
-+ nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info))
-+ return 1;
-+
-+ return 0;
-+}
+
int inet_csk_bind_conflict(const struct sock *sk,
const struct inet_bind_bucket *tb, bool relax)
{
-@@ -79,17 +110,12 @@ int inet_csk_bind_conflict(const struct
- (!reuseport || !sk2->sk_reuseport ||
- (sk2->sk_state != TCP_TIME_WAIT &&
+@@ -72,15 +74,13 @@ int inet_csk_bind_conflict(const struct
+ (sk2->sk_state != TCP_TIME_WAIT &&
!uid_eq(uid, sock_i_uid(sk2))))) {
-- const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
-- if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
-- sk2_rcv_saddr == sk_rcv_saddr(sk))
-+ if (ipv4_rcv_saddr_equal(sk, sk2))
+
+- if (!sk2->sk_rcv_saddr || !sk->sk_rcv_saddr ||
+- sk2->sk_rcv_saddr == sk->sk_rcv_saddr)
++ if (ipv4_rcv_saddr_equal(sk, sk2, true))
break;
}
if (!relax && reuse && sk2->sk_reuse &&
sk2->sk_state != TCP_LISTEN) {
-- const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
--
-- if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
-- sk2_rcv_saddr == sk_rcv_saddr(sk))
-+ if (ipv4_rcv_saddr_equal(sk, sk2))
+
+- if (!sk2->sk_rcv_saddr || !sk->sk_rcv_saddr ||
+- sk2->sk_rcv_saddr == sk->sk_rcv_saddr)
++ if (ipv4_rcv_saddr_equal(sk, sk2, true))
break;
}
}
-diff -NurpP --minimal linux-3.9.5/net/ipv4/inet_diag.c linux-3.9.5-vs2.3.6.5/net/ipv4/inet_diag.c
---- linux-3.9.5/net/ipv4/inet_diag.c 2013-02-19 13:58:58.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/inet_diag.c 2013-05-31 17:17:54.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/ipv4/inet_diag.c linux-4.9.217-vs2.3.9.12/net/ipv4/inet_diag.c
+--- linux-4.9.217/net/ipv4/inet_diag.c 2020-03-27 00:51:46.350092266 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/inet_diag.c 2020-04-01 09:40:33.315387585 +0000
@@ -31,6 +31,8 @@
#include <linux/inet.h>
#include <linux/inet_diag.h>
#include <linux/sock_diag.h>
-@@ -106,8 +108,10 @@ int inet_sk_diag_fill(struct sock *sk, s
-
- r->id.idiag_sport = inet->inet_sport;
- r->id.idiag_dport = inet->inet_dport;
-- r->id.idiag_src[0] = inet->inet_rcv_saddr;
-- r->id.idiag_dst[0] = inet->inet_daddr;
-+ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info,
-+ inet->inet_rcv_saddr);
-+ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info,
-+ inet->inet_daddr);
-
- if (nla_put_u8(skb, INET_DIAG_SHUTDOWN, sk->sk_shutdown))
- goto errout;
-@@ -242,8 +246,8 @@ static int inet_twsk_diag_fill(struct in
- sock_diag_save_cookie(tw, r->id.idiag_cookie);
- r->id.idiag_sport = tw->tw_sport;
- r->id.idiag_dport = tw->tw_dport;
-- r->id.idiag_src[0] = tw->tw_rcv_saddr;
-- r->id.idiag_dst[0] = tw->tw_daddr;
-+ r->id.idiag_src[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_rcv_saddr);
-+ r->id.idiag_dst[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_daddr);
- r->idiag_state = tw->tw_substate;
- r->idiag_timer = 3;
- r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ);
-@@ -287,12 +291,14 @@ int inet_diag_dump_one_icsk(struct inet_
-
- err = -EINVAL;
- if (req->sdiag_family == AF_INET) {
-+ /* TODO: lback */
- sk = inet_lookup(net, hashinfo, req->id.idiag_dst[0],
- req->id.idiag_dport, req->id.idiag_src[0],
- req->id.idiag_sport, req->id.idiag_if);
- }
- #if IS_ENABLED(CONFIG_IPV6)
- else if (req->sdiag_family == AF_INET6) {
-+ /* TODO: lback */
- sk = inet6_lookup(net, hashinfo,
- (struct in6_addr *)req->id.idiag_dst,
- req->id.idiag_dport,
-@@ -494,6 +500,7 @@ int inet_diag_bc_sk(const struct nlattr
- } else
- #endif
- {
-+ /* TODO: lback */
- entry.saddr = &inet->inet_rcv_saddr;
- entry.daddr = &inet->inet_daddr;
+@@ -87,8 +89,8 @@ void inet_diag_msg_common_fill(struct in
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
+
+- r->id.idiag_src[0] = sk->sk_rcv_saddr;
+- r->id.idiag_dst[0] = sk->sk_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, sk->sk_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, sk->sk_daddr);
}
-@@ -652,6 +659,7 @@ static int inet_twsk_diag_dump(struct in
- } else
- #endif
- {
-+ /* TODO: lback */
- entry.saddr = &tw->tw_rcv_saddr;
- entry.daddr = &tw->tw_daddr;
- }
-@@ -730,8 +738,8 @@ static int inet_diag_fill_req(struct sk_
-
- r->id.idiag_sport = inet->inet_sport;
- r->id.idiag_dport = ireq->rmt_port;
-- r->id.idiag_src[0] = ireq->loc_addr;
-- r->id.idiag_dst[0] = ireq->rmt_addr;
-+ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->loc_addr);
-+ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->rmt_addr);
- r->idiag_expires = jiffies_to_msecs(tmo);
- r->idiag_rqueue = 0;
- r->idiag_wqueue = 0;
-@@ -794,6 +802,7 @@ static int inet_diag_dump_reqs(struct sk
- r->id.idiag_dport)
- continue;
-
-+ /* TODO: lback */
- if (bc) {
- inet_diag_req_addrs(sk, req, &entry);
- entry.dport = ntohs(ireq->rmt_port);
-@@ -850,6 +859,8 @@ void inet_diag_dump_icsk(struct inet_has
+ }
+ EXPORT_SYMBOL_GPL(inet_diag_msg_common_fill);
+@@ -880,6 +882,9 @@ void inet_diag_dump_icsk(struct inet_has
if (!net_eq(sock_net(sk), net))
continue;
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
++
if (num < s_num) {
num++;
continue;
-@@ -922,6 +933,8 @@ skip_listen_ht:
+@@ -942,6 +947,8 @@ skip_listen_ht:
if (!net_eq(sock_net(sk), net))
continue;
+ continue;
if (num < s_num)
goto next_normal;
- if (!(r->idiag_states & (1 << sk->sk_state)))
-@@ -950,7 +963,8 @@ next_normal:
- &head->twchain) {
- if (!net_eq(twsk_net(tw), net))
- continue;
--
-+ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (num < s_num)
- goto next_dying;
- if (r->sdiag_family != AF_UNSPEC &&
-diff -NurpP --minimal linux-3.9.5/net/ipv4/inet_hashtables.c linux-3.9.5-vs2.3.6.5/net/ipv4/inet_hashtables.c
---- linux-3.9.5/net/ipv4/inet_hashtables.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/inet_hashtables.c 2013-05-31 18:20:50.000000000 +0000
-@@ -22,6 +22,7 @@
+ state = (sk->sk_state == TCP_TIME_WAIT) ?
+diff -NurpP --minimal linux-4.9.217/net/ipv4/inet_hashtables.c linux-4.9.217-vs2.3.9.12/net/ipv4/inet_hashtables.c
+--- linux-4.9.217/net/ipv4/inet_hashtables.c 2020-03-27 00:51:46.350092266 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/inet_hashtables.c 2020-04-01 09:40:33.335387251 +0000
+@@ -24,6 +24,7 @@
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
#include <net/secure_seq.h>
+#include <net/route.h>
#include <net/ip.h>
-
- /*
-@@ -156,6 +157,11 @@ static inline int compute_score(struct s
+ #include <net/tcp.h>
+ #include <net/sock_reuseport.h>
+@@ -186,6 +187,11 @@ static inline int compute_score(struct s
if (rcv_saddr != daddr)
return -1;
score += 4;
+ daddr, NXA_MASK_BIND))
+ return -1;
}
- if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if || exact_dif) {
if (sk->sk_bound_dev_if != dif)
-@@ -173,7 +179,6 @@ static inline int compute_score(struct s
- * wildcarded during the search since they can never be otherwise.
- */
-
--
- struct sock *__inet_lookup_listener(struct net *net,
- struct inet_hashinfo *hashinfo,
- const __be32 saddr, __be16 sport,
-@@ -209,6 +214,7 @@ begin:
- phash = next_pseudo_random32(phash);
+@@ -301,6 +307,7 @@ begin:
+ goto found;
}
}
+
/*
* if the nulls value we got at the end of this lookup is
* not the expected one, we must restart lookup.
-diff -NurpP --minimal linux-3.9.5/net/ipv4/netfilter.c linux-3.9.5-vs2.3.6.5/net/ipv4/netfilter.c
---- linux-3.9.5/net/ipv4/netfilter.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/netfilter.c 2013-05-31 17:17:54.000000000 +0000
-@@ -6,7 +6,7 @@
+diff -NurpP --minimal linux-4.9.217/net/ipv4/netfilter.c linux-4.9.217-vs2.3.9.12/net/ipv4/netfilter.c
+--- linux-4.9.217/net/ipv4/netfilter.c 2020-03-27 00:51:46.400091478 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/netfilter.c 2018-10-20 04:58:15.000000000 +0000
+@@ -11,7 +11,7 @@
#include <linux/skbuff.h>
#include <linux/gfp.h>
#include <linux/export.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/netfilter/nf_queue.h>
-diff -NurpP --minimal linux-3.9.5/net/ipv4/raw.c linux-3.9.5-vs2.3.6.5/net/ipv4/raw.c
---- linux-3.9.5/net/ipv4/raw.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/raw.c 2013-05-31 18:19:38.000000000 +0000
-@@ -116,7 +116,7 @@ static struct sock *__raw_v4_lookup(stru
+diff -NurpP --minimal linux-4.9.217/net/ipv4/raw.c linux-4.9.217-vs2.3.9.12/net/ipv4/raw.c
+--- linux-4.9.217/net/ipv4/raw.c 2020-03-27 00:51:46.490090059 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/raw.c 2019-10-05 14:58:46.260298130 +0000
+@@ -128,7 +128,7 @@ static struct sock *__raw_v4_lookup(stru
if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
!(inet->inet_daddr && inet->inet_daddr != raddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
goto found; /* gotcha */
}
-@@ -395,6 +395,12 @@ static int raw_send_hdrinc(struct sock *
- icmp_out_count(net, ((struct icmphdr *)
- skb_transport_header(skb))->type);
+@@ -418,6 +418,12 @@ static int raw_send_hdrinc(struct sock *
+ skb_transport_header(skb))->type);
+ }
+ err = -EPERM;
+ if (!nx_check(0, VS_ADMIN) && !capable(CAP_NET_RAW) &&
+ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
+ goto error_free;
+
- err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
- rt->dst.dev, dst_output);
- if (err > 0)
-@@ -580,6 +586,16 @@ static int raw_sendmsg(struct kiocb *ioc
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT,
+ net, sk, skb, NULL, rt->dst.dev,
+ dst_output);
+@@ -623,6 +629,16 @@ static int raw_sendmsg(struct sock *sk,
goto done;
}
+ }
+
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
- rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+ rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) {
-@@ -656,17 +672,19 @@ static int raw_bind(struct sock *sk, str
+@@ -701,17 +717,19 @@ static int raw_bind(struct sock *sk, str
{
struct inet_sock *inet = inet_sk(sk);
struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
inet->inet_saddr = 0; /* Use device */
sk_dst_reset(sk);
-@@ -718,7 +736,8 @@ static int raw_recvmsg(struct kiocb *ioc
+@@ -760,7 +778,8 @@ static int raw_recvmsg(struct sock *sk,
/* Copy the address. */
if (sin) {
sin->sin_family = AF_INET;
+ nx_map_sock_lback(sk->sk_nx_info, ip_hdr(skb)->saddr);
sin->sin_port = 0;
memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
- }
-@@ -913,7 +932,8 @@ static struct sock *raw_get_first(struct
+ *addr_len = sizeof(*sin);
+@@ -956,7 +975,8 @@ static struct sock *raw_get_first(struct
for (state->bucket = 0; state->bucket < RAW_HTABLE_SIZE;
++state->bucket) {
sk_for_each(sk, &state->h->ht[state->bucket])
goto found;
}
sk = NULL;
-@@ -929,7 +949,8 @@ static struct sock *raw_get_next(struct
+@@ -972,7 +992,8 @@ static struct sock *raw_get_next(struct
sk = sk_next(sk);
try_again:
;
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);
-diff -NurpP --minimal linux-3.9.5/net/ipv4/route.c linux-3.9.5-vs2.3.6.5/net/ipv4/route.c
---- linux-3.9.5/net/ipv4/route.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/route.c 2013-05-31 17:17:54.000000000 +0000
-@@ -1998,7 +1998,7 @@ struct rtable *__ip_route_output_key(str
+diff -NurpP --minimal linux-4.9.217/net/ipv4/route.c linux-4.9.217-vs2.3.9.12/net/ipv4/route.c
+--- linux-4.9.217/net/ipv4/route.c 2020-03-27 00:51:46.490090059 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/route.c 2019-12-25 15:37:52.998413076 +0000
+@@ -2289,7 +2289,7 @@ struct rtable *__ip_route_output_key_has
if (fl4->flowi4_oif) {
- dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif);
+ dev_out = dev_get_by_index_real_rcu(net, fl4->flowi4_oif);
rth = ERR_PTR(-ENODEV);
- if (dev_out == NULL)
+ if (!dev_out)
goto out;
-diff -NurpP --minimal linux-3.9.5/net/ipv4/tcp.c linux-3.9.5-vs2.3.6.5/net/ipv4/tcp.c
---- linux-3.9.5/net/ipv4/tcp.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/tcp.c 2013-05-31 17:17:54.000000000 +0000
-@@ -268,6 +268,7 @@
- #include <linux/crypto.h>
+diff -NurpP --minimal linux-4.9.217/net/ipv4/tcp.c linux-4.9.217-vs2.3.9.12/net/ipv4/tcp.c
+--- linux-4.9.217/net/ipv4/tcp.c 2020-03-27 00:51:46.490090059 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/tcp.c 2020-04-01 09:40:33.355386921 +0000
+@@ -269,6 +269,7 @@
+ #include <linux/err.h>
#include <linux/time.h>
#include <linux/slab.h>
+#include <linux/in.h>
#include <net/icmp.h>
#include <net/inet_common.h>
-diff -NurpP --minimal linux-3.9.5/net/ipv4/tcp_ipv4.c linux-3.9.5-vs2.3.6.5/net/ipv4/tcp_ipv4.c
---- linux-3.9.5/net/ipv4/tcp_ipv4.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/tcp_ipv4.c 2013-05-31 17:17:54.000000000 +0000
-@@ -2260,6 +2260,12 @@ static void *listening_get_next(struct s
- req = req->dl_next;
- while (1) {
- while (req) {
-+ vxdprintk(VXD_CBIT(net, 6),
-+ "sk,req: %p [#%d] (from %d)", req->sk,
-+ (req->sk)?req->sk->sk_nid:0, nx_current_nid());
-+ if (req->sk &&
-+ !nx_check(req->sk->sk_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (req->rsk_ops->family == st->family) {
- cur = req;
- goto out;
-@@ -2284,6 +2290,10 @@ get_req:
- }
+diff -NurpP --minimal linux-4.9.217/net/ipv4/tcp_ipv4.c linux-4.9.217-vs2.3.9.12/net/ipv4/tcp_ipv4.c
+--- linux-4.9.217/net/ipv4/tcp_ipv4.c 2020-03-27 00:51:46.520089586 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/tcp_ipv4.c 2020-04-01 09:42:52.973073408 +0000
+@@ -1935,8 +1935,12 @@ get_head:
+ sk = sk_nulls_next(sk);
get_sk:
sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
+ sk, sk->sk_nid, nx_current_nid());
-+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
if (!net_eq(sock_net(sk), net))
continue;
- if (sk->sk_family == st->family) {
-@@ -2360,6 +2370,11 @@ static void *established_get_first(struc
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == st->family)
+ return sk;
+ }
+@@ -1990,6 +1994,11 @@ static void *established_get_first(struc
spin_lock_bh(lock);
sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
if (sk->sk_family != st->family ||
!net_eq(sock_net(sk), net)) {
continue;
-@@ -2370,6 +2385,11 @@ static void *established_get_first(struc
- st->state = TCP_SEQ_STATE_TIME_WAIT;
- inet_twsk_for_each(tw, node,
- &tcp_hashinfo.ehash[st->bucket].twchain) {
-+ vxdprintk(VXD_CBIT(net, 6),
-+ "tw: %p [#%d] (from %d)",
-+ tw, tw->tw_nid, nx_current_nid());
-+ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (tw->tw_family != st->family ||
- !net_eq(twsk_net(tw), net)) {
- continue;
-@@ -2399,7 +2419,9 @@ static void *established_get_next(struct
- tw = cur;
- tw = tw_next(tw);
- get_tw:
-- while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
-+ while (tw && (tw->tw_family != st->family ||
-+ !net_eq(twsk_net(tw), net) ||
-+ !nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))) {
- tw = tw_next(tw);
- }
- if (tw) {
-@@ -2423,6 +2445,11 @@ get_tw:
- sk = sk_nulls_next(sk);
+@@ -2016,6 +2025,11 @@ static void *established_get_next(struct
+ sk = sk_nulls_next(sk);
sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6),
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
- goto found;
+ return sk;
}
-@@ -2628,9 +2655,9 @@ static void get_openreq4(const struct so
+@@ -2207,9 +2221,9 @@ static void get_openreq4(const struct re
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
+ " %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK",
i,
-- ireq->loc_addr,
-+ nx_map_sock_lback(current_nx_info(), ireq->loc_addr),
- ntohs(inet_sk(sk)->inet_sport),
-- ireq->rmt_addr,
-+ nx_map_sock_lback(current_nx_info(), ireq->rmt_addr),
- ntohs(ireq->rmt_port),
+- ireq->ir_loc_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->ir_loc_addr),
+ ireq->ir_num,
+- ireq->ir_rmt_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->ir_rmt_addr),
+ ntohs(ireq->ir_rmt_port),
TCP_SYN_RECV,
0, 0, /* could print option size, but that is af dependent. */
-@@ -2653,8 +2680,8 @@ static void get_tcp4_sock(struct sock *s
+@@ -2232,8 +2246,8 @@ static void get_tcp4_sock(struct sock *s
const struct inet_connection_sock *icsk = inet_csk(sk);
const struct inet_sock *inet = inet_sk(sk);
- struct fastopen_queue *fastopenq = icsk->icsk_accept_queue.fastopenq;
+ const struct fastopen_queue *fastopenq = &icsk->icsk_accept_queue.fastopenq;
- __be32 dest = inet->inet_daddr;
- __be32 src = inet->inet_rcv_saddr;
+ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
__u16 destp = ntohs(inet->inet_dport);
__u16 srcp = ntohs(inet->inet_sport);
int rx_queue;
-@@ -2710,8 +2737,8 @@ static void get_timewait4_sock(const str
+@@ -2292,8 +2306,8 @@ static void get_timewait4_sock(const str
+ __be32 dest, src;
__u16 destp, srcp;
- long delta = tw->tw_ttd - jiffies;
- dest = tw->tw_daddr;
- src = tw->tw_rcv_saddr;
destp = ntohs(tw->tw_dport);
srcp = ntohs(tw->tw_sport);
-diff -NurpP --minimal linux-3.9.5/net/ipv4/tcp_minisocks.c linux-3.9.5-vs2.3.6.5/net/ipv4/tcp_minisocks.c
---- linux-3.9.5/net/ipv4/tcp_minisocks.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/tcp_minisocks.c 2013-05-31 17:17:54.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/ipv4/tcp_minisocks.c linux-4.9.217-vs2.3.9.12/net/ipv4/tcp_minisocks.c
+--- linux-4.9.217/net/ipv4/tcp_minisocks.c 2020-03-27 00:51:46.520089586 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/tcp_minisocks.c 2018-10-20 05:55:44.000000000 +0000
@@ -23,6 +23,9 @@
#include <linux/slab.h>
#include <linux/sysctl.h>
#include <net/tcp.h>
#include <net/inet_common.h>
#include <net/xfrm.h>
-@@ -291,6 +294,11 @@ void tcp_time_wait(struct sock *sk, int
- tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+@@ -286,6 +289,11 @@ void tcp_time_wait(struct sock *sk, int
tcptw->tw_ts_offset = tp->tsoffset;
+ tcptw->tw_last_oow_ack_time = 0;
+ tw->tw_xid = sk->sk_xid;
+ tw->tw_vx_info = NULL;
#if IS_ENABLED(CONFIG_IPV6)
if (tw->tw_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
-diff -NurpP --minimal linux-3.9.5/net/ipv4/udp.c linux-3.9.5-vs2.3.6.5/net/ipv4/udp.c
---- linux-3.9.5/net/ipv4/udp.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv4/udp.c 2013-05-31 18:26:00.000000000 +0000
-@@ -306,14 +306,7 @@ fail:
- }
- EXPORT_SYMBOL(udp_lib_get_port);
-
--static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
--{
-- struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
--
-- return (!ipv6_only_sock(sk2) &&
-- (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
-- inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
--}
-+extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
-
- static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
- unsigned int port)
-@@ -348,6 +341,11 @@ static inline int compute_score(struct s
- if (inet->inet_rcv_saddr != daddr)
- return -1;
- score += 4;
+diff -NurpP --minimal linux-4.9.217/net/ipv4/udp.c linux-4.9.217-vs2.3.9.12/net/ipv4/udp.c
+--- linux-4.9.217/net/ipv4/udp.c 2020-03-27 00:51:46.530089432 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/udp.c 2019-10-05 14:58:46.260298130 +0000
+@@ -361,12 +361,26 @@ int ipv4_rcv_saddr_equal(const struct so
+ bool match_wildcard)
+ {
+ struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
++ __be32 sk1_rcv_saddr = inet1->inet_rcv_saddr,
++ sk2_rcv_saddr = inet2->inet_rcv_saddr;
+
+- if (!ipv6_only_sock(sk2)) {
+- if (inet1->inet_rcv_saddr == inet2->inet_rcv_saddr)
+- return 1;
+- if (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr)
+- return match_wildcard;
++ if (ipv6_only_sock(sk2))
++ return 0;
++
++ if (sk1_rcv_saddr && sk2_rcv_saddr && sk1_rcv_saddr == sk2_rcv_saddr)
++ return 1;
++
++ if (match_wildcard) {
++ if (!sk2_rcv_saddr && !sk1_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++
++ if (!sk2_rcv_saddr && sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info,
++ sk1_rcv_saddr, NXA_MASK_BIND);
++
++ if (!sk1_rcv_saddr && sk2_rcv_saddr)
++ return v4_addr_in_nx_info(sk1->sk_nx_info,
++ sk2_rcv_saddr, NXA_MASK_BIND);
+ }
+ return 0;
+ }
+@@ -408,6 +422,11 @@ static int compute_score(struct sock *sk
+ if (inet->inet_rcv_saddr != daddr)
+ return -1;
+ score += 4;
+ } else {
+ /* block non nx_info ips */
+ if (!v4_addr_in_nx_info(sk->sk_nx_info,
+ daddr, NXA_MASK_BIND))
+ return -1;
- }
- if (inet->inet_daddr) {
- if (inet->inet_daddr != saddr)
-@@ -458,6 +456,7 @@ begin:
+ }
+
+ if (inet->inet_daddr) {
+@@ -483,6 +502,7 @@ static struct sock *udp4_lib_lookup2(str
return result;
}
/* UDP is nearly always wildcards out the wazoo, it makes no sense to try
* harder than this. -DaveM
*/
-@@ -504,6 +503,11 @@ begin:
- sk_nulls_for_each_rcu(sk, node, &hslot->head) {
- score = compute_score(sk, net, saddr, hnum, sport,
- daddr, dport, dif);
-+ /* FIXME: disabled?
-+ if (score == 9) {
-+ result = sk;
-+ break;
-+ } else */
- if (score > badness) {
- result = sk;
- badness = score;
-@@ -528,6 +532,7 @@ begin:
- if (get_nulls_value(node) != slot)
- goto begin;
-
-+
- if (result) {
- if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
- result = NULL;
-@@ -537,6 +542,7 @@ begin:
- goto begin;
- }
- }
-+
- rcu_read_unlock();
- return result;
- }
-@@ -580,8 +586,7 @@ static inline struct sock *udp_v4_mcast_
- udp_sk(s)->udp_port_hash != hnum ||
- (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
- (inet->inet_dport != rmt_port && inet->inet_dport) ||
-- (inet->inet_rcv_saddr &&
-- inet->inet_rcv_saddr != loc_addr) ||
-+ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
- ipv6_only_sock(s) ||
- (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
- continue;
-@@ -964,6 +969,16 @@ int udp_sendmsg(struct kiocb *iocb, stru
- inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
+@@ -607,7 +627,7 @@ static inline bool __udp_is_mcast_sock(s
+ udp_sk(sk)->udp_port_hash != hnum ||
+ (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+ (inet->inet_dport != rmt_port && inet->inet_dport) ||
+- (inet->inet_rcv_saddr && inet->inet_rcv_saddr != loc_addr) ||
++ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
+ ipv6_only_sock(sk) ||
+ (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
+ return false;
+@@ -1024,6 +1044,16 @@ int udp_sendmsg(struct sock *sk, struct
+ flow_flags,
faddr, saddr, dport, inet->inet_sport);
+ if (sk->sk_nx_info) {
security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);
if (IS_ERR(rt)) {
-@@ -1269,7 +1284,8 @@ try_again:
+@@ -1321,7 +1351,8 @@ try_again:
if (sin) {
sin->sin_family = AF_INET;
sin->sin_port = udp_hdr(skb)->source;
+ sin->sin_addr.s_addr = nx_map_sock_lback(
+ skb->sk->sk_nx_info, ip_hdr(skb)->saddr);
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
}
- if (inet->cmsg_flags)
-@@ -2025,6 +2041,8 @@ static struct sock *udp_get_first(struct
- sk_nulls_for_each(sk, node, &hslot->head) {
+@@ -2291,6 +2322,8 @@ static struct sock *udp_get_first(struct
+ sk_for_each(sk, &hslot->head) {
if (!net_eq(sock_net(sk), net))
continue;
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
if (sk->sk_family == state->family)
goto found;
}
-@@ -2042,7 +2060,9 @@ static struct sock *udp_get_next(struct
+@@ -2308,7 +2341,9 @@ static struct sock *udp_get_next(struct
do {
- sk = sk_nulls_next(sk);
+ sk = sk_next(sk);
- } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
+ } while (sk && (!net_eq(sock_net(sk), net) ||
+ sk->sk_family != state->family ||
if (!sk) {
if (state->bucket <= state->udp_table->mask)
-@@ -2138,8 +2158,8 @@ static void udp4_format_sock(struct sock
- int bucket, int *len)
+@@ -2404,8 +2439,8 @@ static void udp4_format_sock(struct sock
+ int bucket)
{
struct inet_sock *inet = inet_sk(sp);
- __be32 dest = inet->inet_daddr;
__u16 destp = ntohs(inet->inet_dport);
__u16 srcp = ntohs(inet->inet_sport);
-diff -NurpP --minimal linux-3.9.5/net/ipv6/Kconfig linux-3.9.5-vs2.3.6.5/net/ipv6/Kconfig
---- linux-3.9.5/net/ipv6/Kconfig 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/Kconfig 2013-05-31 17:17:54.000000000 +0000
-@@ -4,8 +4,8 @@
+diff -NurpP --minimal linux-4.9.217/net/ipv4/udp_diag.c linux-4.9.217-vs2.3.9.12/net/ipv4/udp_diag.c
+--- linux-4.9.217/net/ipv4/udp_diag.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv4/udp_diag.c 2018-10-20 06:31:18.000000000 +0000
+@@ -120,6 +120,8 @@ static void udp_dump(struct udp_table *t
- # IPv6 as module will cause a CRASH if you try to unload it
- menuconfig IPV6
-- tristate "The IPv6 protocol"
-- default m
-+ bool "The IPv6 protocol"
-+ default n
- ---help---
- This is complemental support for the IP version 6.
- You will still be able to do traditional IPv4 networking as well.
-diff -NurpP --minimal linux-3.9.5/net/ipv6/addrconf.c linux-3.9.5-vs2.3.6.5/net/ipv6/addrconf.c
---- linux-3.9.5/net/ipv6/addrconf.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/addrconf.c 2013-05-31 20:07:39.000000000 +0000
-@@ -93,6 +93,8 @@
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next;
+ if (!(r->idiag_states & (1 << sk->sk_state)))
+diff -NurpP --minimal linux-4.9.217/net/ipv6/addrconf.c linux-4.9.217-vs2.3.9.12/net/ipv6/addrconf.c
+--- linux-4.9.217/net/ipv6/addrconf.c 2020-03-27 00:51:46.560088955 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/addrconf.c 2020-04-01 09:40:33.385386423 +0000
+@@ -92,6 +92,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/export.h>
+#include <linux/vs_network.h>
-+#include <linux/vs_inet6.h>
/* Set to 3 to get tracing... */
#define ACONF_DEBUG 2
-@@ -1250,7 +1252,7 @@ out:
+@@ -1498,7 +1499,8 @@ static int __ipv6_dev_get_saddr(struct n
+ struct ipv6_saddr_dst *dst,
+ struct inet6_dev *idev,
+ struct ipv6_saddr_score *scores,
+- int hiscore_idx)
++ int hiscore_idx,
++ struct nx_info *nxi)
+ {
+ struct ipv6_saddr_score *score = &scores[1 - hiscore_idx], *hiscore = &scores[hiscore_idx];
+
+@@ -1528,6 +1530,8 @@ static int __ipv6_dev_get_saddr(struct n
+ idev->dev->name);
+ continue;
+ }
++ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
++ continue;
+
+ score->rule = -1;
+ bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
+@@ -1578,26 +1582,27 @@ static int ipv6_get_saddr_master(struct
+ const struct net_device *master,
+ struct ipv6_saddr_dst *dst,
+ struct ipv6_saddr_score *scores,
+- int hiscore_idx)
++ int hiscore_idx,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev;
+
+ idev = __in6_dev_get(dst_dev);
+ if (idev)
+- hiscore_idx = __ipv6_dev_get_saddr(net, dst, idev,
+- scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net, dst,
++ idev, scores, hiscore_idx, nxi);
+
+ idev = __in6_dev_get(master);
+ if (idev)
+- hiscore_idx = __ipv6_dev_get_saddr(net, dst, idev,
+- scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net, dst,
++ idev, scores, hiscore_idx, nxi);
+
+ return hiscore_idx;
+ }
int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
const struct in6_addr *daddr, unsigned int prefs,
- struct in6_addr *saddr)
+ struct in6_addr *saddr, struct nx_info *nxi)
{
- struct ipv6_saddr_score scores[2],
- *score = &scores[0], *hiscore = &scores[1];
-@@ -1322,6 +1324,8 @@ int ipv6_dev_get_saddr(struct net *net,
- dev->name);
+ struct ipv6_saddr_score scores[2], *hiscore;
+ struct ipv6_saddr_dst dst;
+@@ -1646,7 +1651,8 @@ int ipv6_dev_get_saddr(struct net *net,
+
+ if (use_oif_addr) {
+ if (idev)
+- hiscore_idx = __ipv6_dev_get_saddr(net, &dst, idev, scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net,
++ &dst, idev, scores, hiscore_idx, nxi);
+ } else {
+ const struct net_device *master;
+ int master_idx = 0;
+@@ -1660,8 +1666,8 @@ int ipv6_dev_get_saddr(struct net *net,
+ master_idx = master->ifindex;
+
+ hiscore_idx = ipv6_get_saddr_master(net, dst_dev,
+- master, &dst,
+- scores, hiscore_idx);
++ master, &dst, scores,
++ hiscore_idx, nxi);
+
+ if (scores[hiscore_idx].ifa)
+ goto out;
+@@ -1676,7 +1682,8 @@ int ipv6_dev_get_saddr(struct net *net,
+ idev = __in6_dev_get(dev);
+ if (!idev)
continue;
- }
-+ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
-+ continue;
+- hiscore_idx = __ipv6_dev_get_saddr(net, &dst, idev, scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net,
++ &dst, idev, scores, hiscore_idx, nxi);
+ }
+ }
- score->rule = -1;
- bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
-@@ -3311,7 +3315,10 @@ static void if6_seq_stop(struct seq_file
+@@ -4134,7 +4141,10 @@ static void if6_seq_stop(struct seq_file
static int if6_seq_show(struct seq_file *seq, void *v)
{
struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
&ifp->addr,
ifp->idev->dev->ifindex,
ifp->prefix_len,
-@@ -3815,6 +3822,11 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4718,6 +4728,11 @@ static int in6_dump_addrs(struct inet6_d
struct ifacaddr6 *ifaca;
int err = 1;
int ip_idx = *p_ip_idx;
read_lock_bh(&idev->lock);
switch (type) {
-@@ -3825,6 +3837,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4728,6 +4743,8 @@ static int in6_dump_addrs(struct inet6_d
list_for_each_entry(ifa, &idev->addr_list, if_list) {
- if (++ip_idx < s_ip_idx)
- continue;
-+ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
-+ continue;
+ if (ip_idx < s_ip_idx)
+ goto next;
++ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
++ goto next;
err = inet6_fill_ifaddr(skb, ifa,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3841,6 +3855,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4747,6 +4764,8 @@ next:
ifmca = ifmca->next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
-+ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
-+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
++ continue;
err = inet6_fill_ifmcaddr(skb, ifmca,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3856,6 +3872,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4762,6 +4781,8 @@ next:
ifaca = ifaca->aca_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
-+ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
-+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
++ continue;
err = inet6_fill_ifacaddr(skb, ifaca,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3884,6 +3902,10 @@ static int inet6_dump_addr(struct sk_buf
+@@ -4790,6 +4811,10 @@ static int inet6_dump_addr(struct sk_buf
struct inet6_dev *idev;
struct hlist_head *head;
s_h = cb->args[0];
s_idx = idx = cb->args[1];
s_ip_idx = ip_idx = cb->args[2];
-@@ -4238,6 +4260,7 @@ static int inet6_dump_ifinfo(struct sk_b
+@@ -5308,6 +5333,7 @@ static int inet6_dump_ifinfo(struct sk_b
struct net_device *dev;
struct inet6_dev *idev;
struct hlist_head *head;
s_h = cb->args[0];
s_idx = cb->args[1];
-@@ -4249,6 +4272,8 @@ static int inet6_dump_ifinfo(struct sk_b
+@@ -5319,6 +5345,8 @@ static int inet6_dump_ifinfo(struct sk_b
hlist_for_each_entry_rcu(dev, head, index_hlist) {
if (idx < s_idx)
goto cont;
idev = __in6_dev_get(dev);
if (!idev)
goto cont;
-diff -NurpP --minimal linux-3.9.5/net/ipv6/af_inet6.c linux-3.9.5-vs2.3.6.5/net/ipv6/af_inet6.c
---- linux-3.9.5/net/ipv6/af_inet6.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/af_inet6.c 2013-05-31 20:04:41.000000000 +0000
-@@ -43,6 +43,8 @@
+diff -NurpP --minimal linux-4.9.217/net/ipv6/af_inet6.c linux-4.9.217-vs2.3.9.12/net/ipv6/af_inet6.c
+--- linux-4.9.217/net/ipv6/af_inet6.c 2020-03-27 00:51:46.560088955 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/af_inet6.c 2019-02-22 08:37:56.413037657 +0000
+@@ -43,6 +43,7 @@
#include <linux/netdevice.h>
#include <linux/icmpv6.h>
#include <linux/netfilter_ipv6.h>
+#include <linux/vs_inet.h>
-+#include <linux/vs_inet6.h>
#include <net/ip.h>
#include <net/ipv6.h>
-@@ -160,10 +162,13 @@ lookup_protocol:
+@@ -167,10 +168,13 @@ lookup_protocol:
}
err = -EPERM;
+override:
sock->ops = answer->ops;
answer_prot = answer->prot;
- answer_no_check = answer->no_check;
-@@ -263,6 +268,7 @@ int inet6_bind(struct socket *sock, stru
+ answer_flags = answer->flags;
+@@ -272,6 +276,7 @@ int inet6_bind(struct socket *sock, stru
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct net *net = sock_net(sk);
+ struct nx_v6_sock_addr nsa;
__be32 v4addr = 0;
unsigned short snum;
- int addr_type = 0;
-@@ -278,6 +284,10 @@ int inet6_bind(struct socket *sock, stru
+ bool saved_ipv6only;
+@@ -288,6 +293,10 @@ int inet6_bind(struct socket *sock, stru
if (addr->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
addr_type = ipv6_addr_type(&addr->sin6_addr);
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
return -EINVAL;
-@@ -309,6 +319,7 @@ int inet6_bind(struct socket *sock, stru
- /* Reproduce AF_INET checks to make the bindings consistent */
- v4addr = addr->sin6_addr.s6_addr32[3];
- chk_addr_ret = inet_addr_type(net, v4addr);
-+
- if (!sysctl_ip_nonlocal_bind &&
- !(inet->freebind || inet->transparent) &&
- v4addr != htonl(INADDR_ANY) &&
-@@ -318,6 +329,10 @@ int inet6_bind(struct socket *sock, stru
+@@ -340,6 +349,10 @@ int inet6_bind(struct socket *sock, stru
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if (addr_type != IPV6_ADDR_ANY) {
struct net_device *dev = NULL;
-@@ -344,6 +359,11 @@ int inet6_bind(struct socket *sock, stru
+@@ -369,6 +382,11 @@ int inet6_bind(struct socket *sock, stru
}
}
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
-@@ -360,6 +380,9 @@ int inet6_bind(struct socket *sock, stru
+@@ -386,6 +404,9 @@ int inet6_bind(struct socket *sock, stru
}
}
inet->inet_rcv_saddr = v4addr;
inet->inet_saddr = v4addr;
-@@ -461,9 +484,11 @@ int inet6_getname(struct socket *sock, s
+@@ -492,9 +513,11 @@ int inet6_getname(struct socket *sock, s
return -ENOTCONN;
sin->sin6_port = inet->inet_dport;
- sin->sin6_addr = np->daddr;
+ sin->sin6_addr = sk->sk_v6_daddr;
+ /* FIXME: remap lback? */
if (np->sndflow)
sin->sin6_flowinfo = np->flow_label;
} else {
+ /* FIXME: remap lback? */
- if (ipv6_addr_any(&np->rcv_saddr))
+ if (ipv6_addr_any(&sk->sk_v6_rcv_saddr))
sin->sin6_addr = np->saddr;
else
-diff -NurpP --minimal linux-3.9.5/net/ipv6/datagram.c linux-3.9.5-vs2.3.6.5/net/ipv6/datagram.c
---- linux-3.9.5/net/ipv6/datagram.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/datagram.c 2013-05-31 17:17:54.000000000 +0000
-@@ -648,7 +648,7 @@ int ip6_datagram_send_ctl(struct net *ne
+diff -NurpP --minimal linux-4.9.217/net/ipv6/datagram.c linux-4.9.217-vs2.3.9.12/net/ipv6/datagram.c
+--- linux-4.9.217/net/ipv6/datagram.c 2020-03-27 00:51:46.560088955 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/datagram.c 2019-02-22 08:37:56.423037487 +0000
+@@ -779,7 +779,7 @@ int ip6_datagram_send_ctl(struct net *ne
rcu_read_lock();
if (fl6->flowi6_oif) {
if (!dev) {
rcu_read_unlock();
return -ENODEV;
-diff -NurpP --minimal linux-3.9.5/net/ipv6/fib6_rules.c linux-3.9.5-vs2.3.6.5/net/ipv6/fib6_rules.c
---- linux-3.9.5/net/ipv6/fib6_rules.c 2013-02-19 13:58:58.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/fib6_rules.c 2013-05-31 17:17:54.000000000 +0000
-@@ -90,7 +90,7 @@ static int fib6_rule_action(struct fib_r
+diff -NurpP --minimal linux-4.9.217/net/ipv6/fib6_rules.c linux-4.9.217-vs2.3.9.12/net/ipv6/fib6_rules.c
+--- linux-4.9.217/net/ipv6/fib6_rules.c 2020-03-27 00:51:46.570088800 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/fib6_rules.c 2018-10-20 04:58:15.000000000 +0000
+@@ -102,7 +102,7 @@ static int fib6_rule_action(struct fib_r
ip6_dst_idev(&rt->dst)->dev,
&flp6->daddr,
rt6_flags2srcprefs(flags),
goto again;
if (!ipv6_prefix_equal(&saddr, &r->src.addr,
r->src.plen))
-diff -NurpP --minimal linux-3.9.5/net/ipv6/inet6_hashtables.c linux-3.9.5-vs2.3.6.5/net/ipv6/inet6_hashtables.c
---- linux-3.9.5/net/ipv6/inet6_hashtables.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/inet6_hashtables.c 2013-05-31 17:17:54.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/ipv6/inet6_hashtables.c linux-4.9.217-vs2.3.9.12/net/ipv6/inet6_hashtables.c
+--- linux-4.9.217/net/ipv6/inet6_hashtables.c 2020-03-27 00:51:46.600088328 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/inet6_hashtables.c 2020-04-01 09:40:33.385386423 +0000
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/random.h>
+#include <linux/vs_inet6.h>
+ #include <net/addrconf.h>
#include <net/inet_connection_sock.h>
- #include <net/inet_hashtables.h>
-@@ -83,7 +84,6 @@ struct sock *__inet6_lookup_established(
- unsigned int slot = hash & hashinfo->ehash_mask;
- struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
-
--
- rcu_read_lock();
- begin:
- sk_nulls_for_each_rcu(sk, node, &head->chain) {
-@@ -97,7 +97,7 @@ begin:
- sock_put(sk);
- goto begin;
- }
-- goto out;
-+ goto out;
- }
- }
- if (get_nulls_value(node) != slot)
-@@ -147,6 +147,9 @@ static inline int compute_score(struct s
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+@@ -108,6 +109,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
return -1;
score++;
+ } else {
+ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
+ return -1;
}
- if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if || exact_dif) {
if (sk->sk_bound_dev_if != dif)
-diff -NurpP --minimal linux-3.9.5/net/ipv6/ip6_output.c linux-3.9.5-vs2.3.6.5/net/ipv6/ip6_output.c
---- linux-3.9.5/net/ipv6/ip6_output.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/ip6_output.c 2013-05-31 17:17:54.000000000 +0000
-@@ -877,7 +877,8 @@ static int ip6_dst_lookup_tail(struct so
- struct rt6_info *rt = (struct rt6_info *) *dst;
+@@ -283,39 +287,71 @@ EXPORT_SYMBOL_GPL(inet6_hash);
+ * IPV6_ADDR_ANY only equals to IPV6_ADDR_ANY,
+ * and 0.0.0.0 equals to 0.0.0.0 only
+ */
+-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2,
++int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2,
+ bool match_wildcard)
+ {
++ const struct in6_addr *sk1_rcv_saddr6 = inet6_rcv_saddr(sk1);
+ const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
++ __be32 sk1_rcv_saddr = sk1->sk_rcv_saddr;
++ __be32 sk2_rcv_saddr = sk2->sk_rcv_saddr;
++ int sk1_ipv6only = inet_v6_ipv6only(sk1);
+ int sk2_ipv6only = inet_v6_ipv6only(sk2);
+- int addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr);
++ int addr_type1 = ipv6_addr_type(sk1_rcv_saddr6);
+ int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
+
++
++ /* if one is mapped and the other is ipv6only exit early */
++ if (addr_type1 == IPV6_ADDR_MAPPED && sk2_ipv6only)
++ return 0;
++
++ if (addr_type2 == IPV6_ADDR_MAPPED && sk1_ipv6only)
++ return 0;
++
+ /* if both are mapped, treat as IPv4 */
+- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
+- if (!sk2_ipv6only) {
+- if (sk->sk_rcv_saddr == sk2->sk_rcv_saddr)
+- return 1;
+- if (!sk->sk_rcv_saddr || !sk2->sk_rcv_saddr)
+- return match_wildcard;
+- }
++ if (addr_type1 == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
++ if (sk1_rcv_saddr == sk2_rcv_saddr)
++ return 1;
++ if ((!sk1_rcv_saddr || !sk2_rcv_saddr) && match_wildcard)
++ goto vs_v4;
+ return 0;
+ }
+
+- if (addr_type == IPV6_ADDR_ANY && addr_type2 == IPV6_ADDR_ANY)
+- return 1;
++ /* if both are wildcards, check for overlap */
++ if (addr_type1 == IPV6_ADDR_ANY && addr_type2 == IPV6_ADDR_ANY)
++ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
+
+- if (addr_type2 == IPV6_ADDR_ANY && match_wildcard &&
+- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
++ /* if both are valid ipv6 addresses, mapped handled above */
++ if (addr_type1 != IPV6_ADDR_ANY && addr_type2 != IPV6_ADDR_ANY &&
++ sk2_rcv_saddr6 && ipv6_addr_equal(sk1_rcv_saddr6, sk2_rcv_saddr6))
+ return 1;
+
+- if (addr_type == IPV6_ADDR_ANY && match_wildcard &&
+- !(ipv6_only_sock(sk) && addr_type2 == IPV6_ADDR_MAPPED))
+- return 1;
++ if (addr_type1 == IPV6_ADDR_ANY && match_wildcard) {
++ /* ipv6only case handled above */
++ if (addr_type2 == IPV6_ADDR_MAPPED)
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++ else
++ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
++ }
+
+- if (sk2_rcv_saddr6 &&
+- ipv6_addr_equal(&sk->sk_v6_rcv_saddr, sk2_rcv_saddr6))
+- return 1;
++ if (addr_type2 == IPV6_ADDR_ANY && match_wildcard) {
++ /* ipv6only case handled above */
++ if (addr_type1 == IPV6_ADDR_MAPPED)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
++ else
++ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
++ }
++
++ return 0;
++
++vs_v4:
++ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++
++ if (!sk2_rcv_saddr)
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++
++ if (!sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
+
+ return 0;
+ }
+diff -NurpP --minimal linux-4.9.217/net/ipv6/ip6_fib.c linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_fib.c
+--- linux-4.9.217/net/ipv6/ip6_fib.c 2020-03-27 00:51:46.610088167 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_fib.c 2020-04-01 09:40:33.385386423 +0000
+@@ -1977,6 +1977,7 @@ static int ipv6_route_seq_show(struct se
+ struct rt6_info *rt = v;
+ struct ipv6_route_iter *iter = seq->private;
+
++ /* FIXME: check for network context? */
+ seq_printf(seq, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+
+ #ifdef CONFIG_IPV6_SUBTREES
+diff -NurpP --minimal linux-4.9.217/net/ipv6/ip6_output.c linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_output.c
+--- linux-4.9.217/net/ipv6/ip6_output.c 2020-03-27 00:51:46.610088167 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_output.c 2019-10-05 14:58:46.270297968 +0000
+@@ -962,7 +962,8 @@ static int ip6_dst_lookup_tail(struct ne
+ rt = (*dst)->error ? NULL : (struct rt6_info *)*dst;
err = ip6_route_get_saddr(net, rt, &fl6->daddr,
sk ? inet6_sk(sk)->srcprefs : 0,
- &fl6->saddr);
+ sk ? sk->sk_nx_info : NULL);
if (err)
goto out_err_release;
+
+diff -NurpP --minimal linux-4.9.217/net/ipv6/ip6_tunnel.c linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_tunnel.c
+--- linux-4.9.217/net/ipv6/ip6_tunnel.c 2020-03-27 00:51:46.610088167 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/ip6_tunnel.c 2020-04-01 09:40:33.385386423 +0000
+@@ -1116,7 +1116,7 @@ route_lookup:
+ }
+ if (t->parms.collect_md &&
+ ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
+- &fl6->daddr, 0, &fl6->saddr))
++ &fl6->daddr, 0, &fl6->saddr, NULL))
+ goto tx_err_link_failure;
+ ndst = dst;
}
-diff -NurpP --minimal linux-3.9.5/net/ipv6/ndisc.c linux-3.9.5-vs2.3.6.5/net/ipv6/ndisc.c
---- linux-3.9.5/net/ipv6/ndisc.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/ndisc.c 2013-05-31 17:17:54.000000000 +0000
-@@ -485,7 +485,7 @@ static void ndisc_send_na(struct net_dev
+diff -NurpP --minimal linux-4.9.217/net/ipv6/ndisc.c linux-4.9.217-vs2.3.9.12/net/ipv6/ndisc.c
+--- linux-4.9.217/net/ipv6/ndisc.c 2020-03-27 00:51:46.620088013 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/ndisc.c 2019-02-22 08:37:56.423037487 +0000
+@@ -512,7 +512,7 @@ void ndisc_send_na(struct net_device *de
} else {
if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr,
inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs,
return;
src_addr = &tmpaddr;
}
-diff -NurpP --minimal linux-3.9.5/net/ipv6/netfilter/ip6t_MASQUERADE.c linux-3.9.5-vs2.3.6.5/net/ipv6/netfilter/ip6t_MASQUERADE.c
---- linux-3.9.5/net/ipv6/netfilter/ip6t_MASQUERADE.c 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/netfilter/ip6t_MASQUERADE.c 2013-05-31 17:17:54.000000000 +0000
-@@ -34,7 +34,7 @@ masquerade_tg6(struct sk_buff *skb, cons
+diff -NurpP --minimal linux-4.9.217/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c linux-4.9.217-vs2.3.9.12/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
+--- linux-4.9.217/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2018-10-20 04:58:15.000000000 +0000
+@@ -39,7 +39,7 @@ nf_nat_masquerade_ipv6(struct sk_buff *s
ctinfo == IP_CT_RELATED_REPLY));
- if (ipv6_dev_get_saddr(dev_net(par->out), par->out,
+ if (ipv6_dev_get_saddr(nf_ct_net(ct), out,
- &ipv6_hdr(skb)->daddr, 0, &src) < 0)
+ &ipv6_hdr(skb)->daddr, 0, &src, NULL) < 0)
return NF_DROP;
- nfct_nat(ct)->masq_index = par->out->ifindex;
-diff -NurpP --minimal linux-3.9.5/net/ipv6/raw.c linux-3.9.5-vs2.3.6.5/net/ipv6/raw.c
---- linux-3.9.5/net/ipv6/raw.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/raw.c 2013-05-31 17:17:54.000000000 +0000
-@@ -30,6 +30,7 @@
- #include <linux/icmpv6.h>
- #include <linux/netfilter.h>
- #include <linux/netfilter_ipv6.h>
-+#include <linux/vs_inet6.h>
- #include <linux/skbuff.h>
- #include <linux/compat.h>
- #include <asm/uaccess.h>
-@@ -283,6 +284,13 @@ static int rawv6_bind(struct sock *sk, s
+ nfct_nat(ct)->masq_index = out->ifindex;
+diff -NurpP --minimal linux-4.9.217/net/ipv6/raw.c linux-4.9.217-vs2.3.9.12/net/ipv6/raw.c
+--- linux-4.9.217/net/ipv6/raw.c 2020-03-27 00:51:46.720086437 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/raw.c 2019-10-05 14:58:46.270297968 +0000
+@@ -293,6 +293,13 @@ static int rawv6_bind(struct sock *sk, s
goto out_unlock;
}
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
-diff -NurpP --minimal linux-3.9.5/net/ipv6/route.c linux-3.9.5-vs2.3.6.5/net/ipv6/route.c
---- linux-3.9.5/net/ipv6/route.c 2013-05-31 13:45:32.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/route.c 2013-05-31 18:10:38.000000000 +0000
-@@ -58,6 +58,7 @@
- #include <net/netevent.h>
- #include <net/netlink.h>
- #include <net/nexthop.h>
-+#include <linux/vs_inet6.h>
-
- #include <asm/uaccess.h>
-
-@@ -2079,15 +2080,17 @@ int ip6_route_get_saddr(struct net *net,
- struct rt6_info *rt,
- const struct in6_addr *daddr,
- unsigned int prefs,
-- struct in6_addr *saddr)
-+ struct in6_addr *saddr,
-+ struct nx_info *nxi)
- {
- struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
- int err = 0;
-- if (rt->rt6i_prefsrc.plen)
-+ if (rt->rt6i_prefsrc.plen && (!nxi ||
-+ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
- *saddr = rt->rt6i_prefsrc.addr;
- else
- err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
-- daddr, prefs, saddr);
-+ daddr, prefs, saddr, nxi);
- return err;
- }
-
-@@ -2507,7 +2510,8 @@ static int rt6_fill_node(struct net *net
+diff -NurpP --minimal linux-4.9.217/net/ipv6/route.c linux-4.9.217-vs2.3.9.12/net/ipv6/route.c
+--- linux-4.9.217/net/ipv6/route.c 2020-03-27 00:51:46.720086437 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/route.c 2020-04-01 09:40:33.385386423 +0000
+@@ -3295,7 +3295,8 @@ static int rt6_fill_node(struct net *net
goto nla_put_failure;
} else if (dst) {
struct in6_addr saddr_buf;
- if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0 &&
+ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf,
+ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0 &&
- nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ nla_put_in6_addr(skb, RTA_PREFSRC, &saddr_buf))
goto nla_put_failure;
}
-@@ -2719,6 +2723,7 @@ static int rt6_info_route(struct rt6_inf
- {
- struct seq_file *m = p_arg;
-
-+ /* FIXME: check for network context? */
- seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
-
- #ifdef CONFIG_IPV6_SUBTREES
-diff -NurpP --minimal linux-3.9.5/net/ipv6/tcp_ipv6.c linux-3.9.5-vs2.3.6.5/net/ipv6/tcp_ipv6.c
---- linux-3.9.5/net/ipv6/tcp_ipv6.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/tcp_ipv6.c 2013-05-31 17:17:54.000000000 +0000
-@@ -71,6 +71,7 @@
-
- #include <linux/crypto.h>
- #include <linux/scatterlist.h>
-+#include <linux/vs_inet6.h>
-
- static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
- static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
-@@ -164,8 +165,15 @@ static int tcp_v6_connect(struct sock *s
- * connect() to INADDR_ANY means loopback (BSD'ism).
+diff -NurpP --minimal linux-4.9.217/net/ipv6/tcp_ipv6.c linux-4.9.217-vs2.3.9.12/net/ipv6/tcp_ipv6.c
+--- linux-4.9.217/net/ipv6/tcp_ipv6.c 2020-03-27 00:51:46.720086437 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/tcp_ipv6.c 2019-10-05 14:58:46.270297968 +0000
+@@ -149,11 +149,18 @@ static int tcp_v6_connect(struct sock *s
*/
-- if(ipv6_addr_any(&usin->sin6_addr))
-- usin->sin6_addr.s6_addr[15] = 0x1;
-+ if(ipv6_addr_any(&usin->sin6_addr)) {
+ if (ipv6_addr_any(&usin->sin6_addr)) {
+- if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
+- ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
+- &usin->sin6_addr);
+- else
+- usin->sin6_addr = in6addr_loopback;
+ struct nx_info *nxi = sk->sk_nx_info;
+
+ if (nxi && nx_info_has_v6(nxi))
+ /* FIXME: remap lback? */
+ usin->sin6_addr = nxi->v6.ip;
-+ else
-+ usin->sin6_addr.s6_addr[15] = 0x1;
-+ }
++ else {
++ if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
++ ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
++ &usin->sin6_addr);
++ else
++ usin->sin6_addr = in6addr_loopback;
++ }
+ }
addr_type = ipv6_addr_type(&usin->sin6_addr);
-
-diff -NurpP --minimal linux-3.9.5/net/ipv6/udp.c linux-3.9.5-vs2.3.6.5/net/ipv6/udp.c
---- linux-3.9.5/net/ipv6/udp.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/udp.c 2013-05-31 18:16:01.000000000 +0000
-@@ -46,42 +46,68 @@
- #include <net/ip6_checksum.h>
- #include <net/xfrm.h>
- #include <net/inet6_hashtables.h>
-+#include <linux/vs_inet6.h>
-
- #include <linux/proc_fs.h>
- #include <linux/seq_file.h>
- #include <trace/events/skb.h>
- #include "udp_impl.h"
-
--int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
-+int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
- {
-- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
-+ const struct in6_addr *sk1_rcv_saddr6 = &inet6_sk(sk1)->rcv_saddr;
- const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
-- __be32 sk1_rcv_saddr = sk_rcv_saddr(sk);
-+ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1);
- __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
-- int sk_ipv6only = ipv6_only_sock(sk);
-+ int sk1_ipv6only = ipv6_only_sock(sk1);
- int sk2_ipv6only = inet_v6_ipv6only(sk2);
-- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
-+ int addr_type = ipv6_addr_type(sk1_rcv_saddr6);
- int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
-
- /* if both are mapped, treat as IPv4 */
-- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
-- return (!sk2_ipv6only &&
-+ if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
-+ if (!sk2_ipv6only &&
- (!sk1_rcv_saddr || !sk2_rcv_saddr ||
-- sk1_rcv_saddr == sk2_rcv_saddr));
-+ sk1_rcv_saddr == sk2_rcv_saddr))
-+ goto vs_v4;
-+ else
-+ return 0;
-+ }
-
- if (addr_type2 == IPV6_ADDR_ANY &&
- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
-- return 1;
-+ goto vs;
-
- if (addr_type == IPV6_ADDR_ANY &&
-- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
-- return 1;
-+ !(sk1_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
-+ goto vs;
-
- if (sk2_rcv_saddr6 &&
-- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
-- return 1;
-+ ipv6_addr_equal(sk1_rcv_saddr6, sk2_rcv_saddr6))
-+ goto vs;
-
- return 0;
-+
-+vs_v4:
-+ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
-+ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
-+ if (!sk2_rcv_saddr)
-+ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
-+ if (!sk1_rcv_saddr)
-+ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
-+ return 1;
-+vs:
-+ if (addr_type2 == IPV6_ADDR_ANY && addr_type == IPV6_ADDR_ANY)
-+ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
-+ else if (addr_type2 == IPV6_ADDR_ANY)
-+ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
-+ else if (addr_type == IPV6_ADDR_ANY) {
-+ if (addr_type2 == IPV6_ADDR_MAPPED)
-+ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
-+ else
-+ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
-+ }
-+ return 1;
- }
-
- static unsigned int udp6_portaddr_hash(struct net *net,
-@@ -145,6 +171,10 @@ static inline int compute_score(struct s
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
- return -1;
- score++;
+diff -NurpP --minimal linux-4.9.217/net/ipv6/udp.c linux-4.9.217-vs2.3.9.12/net/ipv6/udp.c
+--- linux-4.9.217/net/ipv6/udp.c 2020-03-27 00:51:46.720086437 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/udp.c 2019-10-05 14:58:46.270297968 +0000
+@@ -135,6 +135,10 @@ static int compute_score(struct sock *sk
+ if (inet->inet_dport != sport)
+ return -1;
+ score++;
+ } else {
+ /* block non nx_info ips */
+ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
+ return -1;
- }
- if (!ipv6_addr_any(&np->daddr)) {
- if (!ipv6_addr_equal(&np->daddr, saddr))
-diff -NurpP --minimal linux-3.9.5/net/ipv6/xfrm6_policy.c linux-3.9.5-vs2.3.6.5/net/ipv6/xfrm6_policy.c
---- linux-3.9.5/net/ipv6/xfrm6_policy.c 2013-06-11 12:22:40.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/ipv6/xfrm6_policy.c 2013-05-31 17:17:54.000000000 +0000
-@@ -63,7 +63,7 @@ static int xfrm6_get_saddr(struct net *n
+ }
+
+ if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
+diff -NurpP --minimal linux-4.9.217/net/ipv6/xfrm6_policy.c linux-4.9.217-vs2.3.9.12/net/ipv6/xfrm6_policy.c
+--- linux-4.9.217/net/ipv6/xfrm6_policy.c 2020-03-27 00:51:46.730086276 +0000
++++ linux-4.9.217-vs2.3.9.12/net/ipv6/xfrm6_policy.c 2018-10-20 04:58:15.000000000 +0000
+@@ -64,7 +64,8 @@ static int xfrm6_get_saddr(struct net *n
+ return -EHOSTUNREACH;
+
dev = ip6_dst_idev(dst)->dev;
- ipv6_dev_get_saddr(dev_net(dev), dev,
- (struct in6_addr *)&daddr->a6, 0,
-- (struct in6_addr *)&saddr->a6);
-+ (struct in6_addr *)&saddr->a6, NULL);
+- ipv6_dev_get_saddr(dev_net(dev), dev, &daddr->in6, 0, &saddr->in6);
++ ipv6_dev_get_saddr(dev_net(dev), dev, &daddr->in6,
++ 0, &saddr->in6, NULL);
dst_release(dst);
return 0;
}
-diff -NurpP --minimal linux-3.9.5/net/netfilter/ipvs/ip_vs_xmit.c linux-3.9.5-vs2.3.6.5/net/netfilter/ipvs/ip_vs_xmit.c
---- linux-3.9.5/net/netfilter/ipvs/ip_vs_xmit.c 2013-02-19 13:58:59.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/netfilter/ipvs/ip_vs_xmit.c 2013-05-31 17:17:54.000000000 +0000
-@@ -273,7 +273,7 @@ __ip_vs_route_output_v6(struct net *net,
+diff -NurpP --minimal linux-4.9.217/net/netfilter/ipvs/ip_vs_xmit.c linux-4.9.217-vs2.3.9.12/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-4.9.217/net/netfilter/ipvs/ip_vs_xmit.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/netfilter/ipvs/ip_vs_xmit.c 2018-10-20 04:58:15.000000000 +0000
+@@ -381,7 +381,7 @@ __ip_vs_route_output_v6(struct net *net,
return dst;
if (ipv6_addr_any(&fl6.saddr) &&
ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
goto out_err;
if (do_xfrm) {
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
-diff -NurpP --minimal linux-3.9.5/net/netlink/af_netlink.c linux-3.9.5-vs2.3.6.5/net/netlink/af_netlink.c
---- linux-3.9.5/net/netlink/af_netlink.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/netlink/af_netlink.c 2013-05-31 17:17:54.000000000 +0000
-@@ -55,6 +55,9 @@
- #include <linux/types.h>
- #include <linux/audit.h>
- #include <linux/mutex.h>
+diff -NurpP --minimal linux-4.9.217/net/netlink/af_netlink.c linux-4.9.217-vs2.3.9.12/net/netlink/af_netlink.c
+--- linux-4.9.217/net/netlink/af_netlink.c 2020-03-27 00:51:47.580072880 +0000
++++ linux-4.9.217-vs2.3.9.12/net/netlink/af_netlink.c 2020-04-01 09:40:33.515384269 +0000
+@@ -63,6 +63,8 @@
+ #include <linux/hash.h>
+ #include <linux/genetlink.h>
+ #include <linux/nospec.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
-+#include <linux/vs_limit.h>
#include <net/net_namespace.h>
#include <net/sock.h>
-@@ -1976,6 +1979,8 @@ static struct sock *netlink_seq_socket_i
- sk_for_each(s, &hash->table[j]) {
- if (sock_net(s) != seq_file_net(seq))
- continue;
-+ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (off == pos) {
- iter->link = i;
- iter->hash_idx = j;
-@@ -2010,7 +2015,8 @@ static void *netlink_seq_next(struct seq
- s = v;
- do {
- s = sk_next(s);
-- } while (s && sock_net(s) != seq_file_net(seq));
-+ } while (s && (sock_net(s) != seq_file_net(seq) ||
-+ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)));
- if (s)
- return s;
-
-@@ -2022,7 +2028,8 @@ static void *netlink_seq_next(struct seq
-
- for (; j <= hash->mask; j++) {
- s = sk_head(&hash->table[j]);
-- while (s && sock_net(s) != seq_file_net(seq))
-+ while (s && (sock_net(s) != seq_file_net(seq) ||
-+ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)))
- s = sk_next(s);
- if (s) {
- iter->link = i;
-diff -NurpP --minimal linux-3.9.5/net/socket.c linux-3.9.5-vs2.3.6.5/net/socket.c
---- linux-3.9.5/net/socket.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/socket.c 2013-05-31 17:17:54.000000000 +0000
-@@ -98,6 +98,10 @@
+@@ -2478,7 +2480,8 @@ static void *__netlink_seq_next(struct s
+ if (err)
+ return ERR_PTR(err);
+ }
+- } while (sock_net(&nlk->sk) != seq_file_net(seq));
++ } while ((sock_net(&nlk->sk) != seq_file_net(seq)) ||
++ !nx_check(nlk->sk.sk_nid, VS_WATCH_P | VS_IDENT));
+
+ return nlk;
+ }
+diff -NurpP --minimal linux-4.9.217/net/packet/diag.c linux-4.9.217-vs2.3.9.12/net/packet/diag.c
+--- linux-4.9.217/net/packet/diag.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/packet/diag.c 2018-10-20 06:31:18.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/netdevice.h>
+ #include <linux/packet_diag.h>
+ #include <linux/percpu.h>
++#include <linux/vs_network.h>
+ #include <net/net_namespace.h>
+ #include <net/sock.h>
+
+@@ -201,6 +202,8 @@ static int packet_diag_dump(struct sk_bu
+ sk_for_each(sk, &net->packet.sklist) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next;
+
+diff -NurpP --minimal linux-4.9.217/net/socket.c linux-4.9.217-vs2.3.9.12/net/socket.c
+--- linux-4.9.217/net/socket.c 2020-03-27 00:51:49.750038678 +0000
++++ linux-4.9.217-vs2.3.9.12/net/socket.c 2020-04-01 09:40:33.905377809 +0000
+@@ -100,10 +100,12 @@
#include <net/sock.h>
#include <linux/netfilter.h>
-+#include <linux/vs_base.h>
+#include <linux/vs_socket.h>
+#include <linux/vs_inet.h>
+#include <linux/vs_inet6.h>
#include <linux/if_tun.h>
#include <linux/ipv6_route.h>
-@@ -617,13 +621,29 @@ static inline int __sock_sendmsg_nosec(s
- struct msghdr *msg, size_t size)
- {
- struct sock_iocb *si = kiocb_to_siocb(iocb);
-+ size_t len;
+-#include <linux/route.h>
+ #include <linux/sockios.h>
+ #include <linux/atalk.h>
+ #include <net/busy_poll.h>
+@@ -619,8 +621,24 @@ EXPORT_SYMBOL(__sock_tx_timestamp);
- si->sock = sock;
- si->scm = NULL;
- si->msg = msg;
- si->size = size;
-
-- return sock->ops->sendmsg(iocb, sock, msg, size);
-+ len = sock->ops->sendmsg(iocb, sock, msg, size);
+ static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)
+ {
+- int ret = sock->ops->sendmsg(sock, msg, msg_data_left(msg));
+- BUG_ON(ret == -EIOCBQUEUED);
++ size_t size = msg_data_left(msg);
++ int ret = sock->ops->sendmsg(sock, msg, size);
++#if 0
+ if (sock->sk) {
-+ if (len == size)
-+ vx_sock_send(sock->sk, size);
-+ else
++ if (!ret)
+ vx_sock_fail(sock->sk, size);
++ else
++ vx_sock_send(sock->sk, size);
+ }
++#endif
+ vxdprintk(VXD_CBIT(net, 7),
-+ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%zu",
-+ sock, sock->sk,
-+ (sock->sk)?sock->sk->sk_nx_info:0,
-+ (sock->sk)?sock->sk->sk_vx_info:0,
-+ (sock->sk)?sock->sk->sk_xid:0,
-+ (sock->sk)?sock->sk->sk_nid:0,
-+ (unsigned int)size, len);
-+ return len;
- }
-
- static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
-@@ -779,6 +799,7 @@ static inline int __sock_recvmsg_nosec(s
- struct msghdr *msg, size_t size, int flags)
- {
- struct sock_iocb *si = kiocb_to_siocb(iocb);
-+ int len;
-
- si->sock = sock;
- si->scm = NULL;
-@@ -786,7 +807,18 @@ static inline int __sock_recvmsg_nosec(s
- si->size = size;
- si->flags = flags;
-
-- return sock->ops->recvmsg(iocb, sock, msg, size, flags);
-+ len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
-+ if ((len >= 0) && sock->sk)
-+ vx_sock_recv(sock->sk, len);
-+ vxdprintk(VXD_CBIT(net, 7),
-+ "__sock_recvmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ "sock_sendmsg_nosec: %p[%p,%p,%p;%d/%d]:%zu/%zu",
+ sock, sock->sk,
+ (sock->sk)?sock->sk->sk_nx_info:0,
+ (sock->sk)?sock->sk->sk_vx_info:0,
+ (sock->sk)?sock->sk->sk_xid:0,
+ (sock->sk)?sock->sk->sk_nid:0,
-+ (unsigned int)size, len);
-+ return len;
++ size, msg_data_left(msg));
+ return ret;
}
- static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
-@@ -1269,6 +1301,13 @@ int __sock_create(struct net *net, int f
+@@ -1110,6 +1128,13 @@ int __sock_create(struct net *net, int f
if (type < 0 || type >= SOCK_MAX)
return -EINVAL;
/* Compatibility.
This uglymoron is moved from INET layer to here to avoid
-@@ -1403,6 +1442,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+@@ -1240,6 +1265,7 @@ SYSCALL_DEFINE3(socket, int, family, int
if (retval < 0)
goto out;
retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
if (retval < 0)
goto out_release;
-@@ -1444,10 +1484,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+@@ -1281,10 +1307,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
err = sock_create(family, type, protocol, &sock1);
if (err < 0)
goto out;
err = sock1->ops->socketpair(sock1, sock2);
if (err < 0)
-diff -NurpP --minimal linux-3.9.5/net/sunrpc/auth.c linux-3.9.5-vs2.3.6.5/net/sunrpc/auth.c
---- linux-3.9.5/net/sunrpc/auth.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/sunrpc/auth.c 2013-06-03 20:11:37.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/sunrpc/auth.c linux-4.9.217-vs2.3.9.12/net/sunrpc/auth.c
+--- linux-4.9.217/net/sunrpc/auth.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/sunrpc/auth.c 2018-10-20 04:58:15.000000000 +0000
@@ -15,6 +15,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/gss_api.h>
#include <linux/spinlock.h>
+#include <linux/vs_tag.h>
- #ifdef RPC_DEBUG
+ #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
-@@ -480,6 +481,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+@@ -630,6 +631,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
memset(&acred, 0, sizeof(acred));
acred.uid = cred->fsuid;
acred.gid = cred->fsgid;
+ acred.tag = make_ktag(&init_user_ns, dx_current_tag());
- acred.group_info = get_group_info(((struct cred *)cred)->group_info);
-
+ acred.group_info = cred->group_info;
ret = auth->au_ops->lookup_cred(auth, &acred, flags);
-@@ -520,6 +522,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+ return ret;
+@@ -669,6 +671,7 @@ rpcauth_bind_root_cred(struct rpc_task *
struct auth_cred acred = {
.uid = GLOBAL_ROOT_UID,
.gid = GLOBAL_ROOT_GID,
};
dprintk("RPC: %5u looking up %s cred\n",
-diff -NurpP --minimal linux-3.9.5/net/sunrpc/auth_unix.c linux-3.9.5-vs2.3.6.5/net/sunrpc/auth_unix.c
---- linux-3.9.5/net/sunrpc/auth_unix.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/sunrpc/auth_unix.c 2013-06-03 19:35:29.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/sunrpc/auth_unix.c linux-4.9.217-vs2.3.9.12/net/sunrpc/auth_unix.c
+--- linux-4.9.217/net/sunrpc/auth_unix.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/net/sunrpc/auth_unix.c 2018-10-20 04:58:15.000000000 +0000
@@ -13,11 +13,13 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/auth.h>
kgid_t uc_gid;
kgid_t uc_gids[NFS_NGROUPS];
};
-@@ -80,6 +82,7 @@ unx_create_cred(struct rpc_auth *auth, s
+@@ -86,6 +88,7 @@ unx_create_cred(struct rpc_auth *auth, s
groups = NFS_NGROUPS;
cred->uc_gid = acred->gid;
+ cred->uc_tag = acred->tag;
for (i = 0; i < groups; i++)
- cred->uc_gids[i] = GROUP_AT(acred->group_info, i);
+ cred->uc_gids[i] = acred->group_info->gid[i];
if (i < NFS_NGROUPS)
-@@ -121,7 +124,9 @@ unx_match(struct auth_cred *acred, struc
+@@ -127,7 +130,9 @@ unx_match(struct auth_cred *acred, struc
unsigned int i;
return 0;
if (acred->group_info != NULL)
-@@ -146,7 +151,7 @@ unx_marshal(struct rpc_task *task, __be3
+@@ -152,7 +157,7 @@ unx_marshal(struct rpc_task *task, __be3
struct rpc_clnt *clnt = task->tk_client;
struct unx_cred *cred = container_of(task->tk_rqstp->rq_cred, struct unx_cred, uc_base);
__be32 *base, *hold;
*p++ = htonl(RPC_AUTH_UNIX);
base = p++;
-@@ -157,8 +162,11 @@ unx_marshal(struct rpc_task *task, __be3
+@@ -163,8 +168,11 @@ unx_marshal(struct rpc_task *task, __be3
*/
p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
hold = p++;
for (i = 0; i < 16 && gid_valid(cred->uc_gids[i]); i++)
*p++ = htonl((u32) from_kgid(&init_user_ns, cred->uc_gids[i]));
-diff -NurpP --minimal linux-3.9.5/net/sunrpc/clnt.c linux-3.9.5-vs2.3.6.5/net/sunrpc/clnt.c
---- linux-3.9.5/net/sunrpc/clnt.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/sunrpc/clnt.c 2013-05-31 17:17:54.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/net/sunrpc/clnt.c linux-4.9.217-vs2.3.9.12/net/sunrpc/clnt.c
+--- linux-4.9.217/net/sunrpc/clnt.c 2020-03-27 00:51:49.980035052 +0000
++++ linux-4.9.217-vs2.3.9.12/net/sunrpc/clnt.c 2019-10-05 14:58:47.230282628 +0000
@@ -31,6 +31,7 @@
+ #include <linux/in.h>
#include <linux/in6.h>
#include <linux/un.h>
- #include <linux/rcupdate.h>
+#include <linux/vs_cvirt.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/addr.h>
-@@ -482,6 +483,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+@@ -496,6 +497,9 @@ static struct rpc_clnt *rpc_create_xprt(
if (!(args->flags & RPC_CLNT_CREATE_QUIET))
clnt->cl_chatty = 1;
+ clnt->cl_tag = 1; */
return clnt;
}
- EXPORT_SYMBOL_GPL(rpc_create);
-diff -NurpP --minimal linux-3.9.5/net/unix/af_unix.c linux-3.9.5-vs2.3.6.5/net/unix/af_unix.c
---- linux-3.9.5/net/unix/af_unix.c 2013-05-31 13:45:33.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/net/unix/af_unix.c 2013-05-31 17:17:54.000000000 +0000
-@@ -114,6 +114,8 @@
- #include <linux/mount.h>
+
+diff -NurpP --minimal linux-4.9.217/net/unix/af_unix.c linux-4.9.217-vs2.3.9.12/net/unix/af_unix.c
+--- linux-4.9.217/net/unix/af_unix.c 2020-03-27 00:51:51.400012675 +0000
++++ linux-4.9.217-vs2.3.9.12/net/unix/af_unix.c 2019-12-25 15:37:53.138410818 +0000
+@@ -117,6 +117,8 @@
#include <net/checksum.h>
#include <linux/security.h>
+ #include <linux/freezer.h>
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
EXPORT_SYMBOL_GPL(unix_socket_table);
-@@ -270,6 +272,8 @@ static struct sock *__unix_find_socket_b
+@@ -284,6 +286,8 @@ static struct sock *__unix_find_socket_b
if (!net_eq(sock_net(s), net))
continue;
if (u->addr->len == len &&
!memcmp(u->addr->name, sunname, len))
goto found;
-@@ -2256,6 +2260,8 @@ static struct sock *unix_from_bucket(str
+@@ -2744,6 +2748,8 @@ static struct sock *unix_from_bucket(str
for (sk = sk_head(&unix_socket_table[bucket]); sk; sk = sk_next(sk)) {
if (sock_net(sk) != seq_file_net(seq))
continue;
if (++count == offset)
break;
}
-@@ -2273,6 +2279,8 @@ static struct sock *unix_next_socket(str
+@@ -2761,6 +2767,8 @@ static struct sock *unix_next_socket(str
sk = sk_next(sk);
if (!sk)
goto next_bucket;
if (sock_net(sk) == seq_file_net(seq))
return sk;
}
-diff -NurpP --minimal linux-3.9.5/scripts/checksyscalls.sh linux-3.9.5-vs2.3.6.5/scripts/checksyscalls.sh
---- linux-3.9.5/scripts/checksyscalls.sh 2012-12-11 03:30:57.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/scripts/checksyscalls.sh 2013-05-31 14:47:11.000000000 +0000
-@@ -193,7 +193,6 @@ cat << EOF
+diff -NurpP --minimal linux-4.9.217/net/unix/diag.c linux-4.9.217-vs2.3.9.12/net/unix/diag.c
+--- linux-4.9.217/net/unix/diag.c 2020-03-27 00:51:51.400012675 +0000
++++ linux-4.9.217-vs2.3.9.12/net/unix/diag.c 2019-10-05 14:58:47.230282628 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/unix_diag.h>
+ #include <linux/skbuff.h>
+ #include <linux/module.h>
++#include <linux/vs_network.h>
+ #include <net/netlink.h>
+ #include <net/af_unix.h>
+ #include <net/tcp_states.h>
+@@ -200,6 +201,8 @@ static int unix_diag_dump(struct sk_buff
+ sk_for_each(sk, &unix_socket_table[slot]) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next;
+ if (!(req->udiag_states & (1 << sk->sk_state)))
+diff -NurpP --minimal linux-4.9.217/scripts/checksyscalls.sh linux-4.9.217-vs2.3.9.12/scripts/checksyscalls.sh
+--- linux-4.9.217/scripts/checksyscalls.sh 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/scripts/checksyscalls.sh 2018-10-20 04:58:15.000000000 +0000
+@@ -196,7 +196,6 @@ cat << EOF
#define __IGNORE_afs_syscall
#define __IGNORE_getpmsg
#define __IGNORE_putpmsg
EOF
}
-diff -NurpP --minimal linux-3.9.5/security/commoncap.c linux-3.9.5-vs2.3.6.5/security/commoncap.c
---- linux-3.9.5/security/commoncap.c 2013-05-31 13:45:34.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/security/commoncap.c 2013-05-31 15:07:02.000000000 +0000
-@@ -76,6 +76,7 @@ int cap_netlink_send(struct sock *sk, st
+diff -NurpP --minimal linux-4.9.217/security/commoncap.c linux-4.9.217-vs2.3.9.12/security/commoncap.c
+--- linux-4.9.217/security/commoncap.c 2016-12-11 19:17:54.000000000 +0000
++++ linux-4.9.217-vs2.3.9.12/security/commoncap.c 2018-10-20 04:58:15.000000000 +0000
+@@ -71,6 +71,7 @@ static void warn_setuid_and_fcaps_mixed(
int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
int cap, int audit)
{
struct user_namespace *ns = targ_ns;
/* See if cred has the capability in the target user namespace
-@@ -84,8 +85,12 @@ int cap_capable(const struct cred *cred,
+@@ -79,8 +80,12 @@ int cap_capable(const struct cred *cred,
*/
for (;;) {
/* Do we have the necessary capabilities? */
/* Have we tried all of the parent namespaces? */
if (ns == &init_user_ns)
-@@ -628,7 +633,7 @@ int cap_inode_setxattr(struct dentry *de
+@@ -667,7 +672,7 @@ int cap_inode_setxattr(struct dentry *de
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
return -EPERM;
return 0;
}
-@@ -654,7 +659,7 @@ int cap_inode_removexattr(struct dentry
+@@ -693,7 +698,7 @@ int cap_inode_removexattr(struct dentry
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
return -EPERM;
return 0;
}
-diff -NurpP --minimal linux-3.9.5/security/selinux/hooks.c linux-3.9.5-vs2.3.6.5/security/selinux/hooks.c
---- linux-3.9.5/security/selinux/hooks.c 2013-05-31 13:45:34.000000000 +0000
-+++ linux-3.9.5-vs2.3.6.5/security/selinux/hooks.c 2013-05-31 14:47:11.000000000 +0000
+diff -NurpP --minimal linux-4.9.217/security/selinux/hooks.c linux-4.9.217-vs2.3.9.12/security/selinux/hooks.c
+--- linux-4.9.217/security/selinux/hooks.c 2020-03-27 00:51:56.679929820 +0000
++++ linux-4.9.217-vs2.3.9.12/security/selinux/hooks.c 2019-10-05 14:58:47.310281348 +0000
@@ -67,7 +67,6 @@
#include <linux/dccp.h>
#include <linux/quota.h>