]> git.pld-linux.org Git - packages/kernel.git/blobdiff - kernel-small_fixes.patch
- up to 4.4.56
[packages/kernel.git] / kernel-small_fixes.patch
index 3ac8a0bb6f5863a1b0df259a7772e02a99fae9d7..19cf3c8744f075a2d0774b4b99b385b962dd7c8b 100644 (file)
@@ -73,50 +73,3 @@ index 098ce9b179ee..fcf8d0aa66ec 100644
 -- 
 2.11.0
 
-From 5edabca9d4cff7f1f2b68f0bac55ef99d9798ba4 Mon Sep 17 00:00:00 2001
-From: Andrey Konovalov <andreyknvl@google.com>
-Date: Thu, 16 Feb 2017 17:22:46 +0100
-Subject: dccp: fix freeing skb too early for IPV6_RECVPKTINFO
-
-In the current DCCP implementation an skb for a DCCP_PKT_REQUEST packet
-is forcibly freed via __kfree_skb in dccp_rcv_state_process if
-dccp_v6_conn_request successfully returns.
-
-However, if IPV6_RECVPKTINFO is set on a socket, the address of the skb
-is saved to ireq->pktopts and the ref count for skb is incremented in
-dccp_v6_conn_request, so skb is still in use. Nevertheless, it gets freed
-in dccp_rcv_state_process.
-
-Fix by calling consume_skb instead of doing goto discard and therefore
-calling __kfree_skb.
-
-Similar fixes for TCP:
-
-fb7e2399ec17f1004c0e0ccfd17439f8759ede01 [TCP]: skb is unexpectedly freed.
-0aea76d35c9651d55bbaf746e7914e5f9ae5a25d tcp: SYN packets are now
-simply consumed
-
-Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
-Acked-by: Eric Dumazet <edumazet@google.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
- net/dccp/input.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/net/dccp/input.c b/net/dccp/input.c
-index ba34718..8fedc2d 100644
---- a/net/dccp/input.c
-+++ b/net/dccp/input.c
-@@ -606,7 +606,8 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
-                       if (inet_csk(sk)->icsk_af_ops->conn_request(sk,
-                                                                   skb) < 0)
-                               return 1;
--                      goto discard;
-+                      consume_skb(skb);
-+                      return 0;
-               }
-               if (dh->dccph_type == DCCP_PKT_RESET)
-                       goto discard;
--- 
-cgit v0.12
-
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