0029-lib-fs-resize-Prevent-crash-resizing-FAT-with-very-d.patch

   1 From 9a95ca5da96846f3edea48ab18c6365001805e70 Mon Sep 17 00:00:00 2001
   2 From: Mike Fleetwood <mike.fleetwood@googlemail.com>
   3 Date: Sun, 28 Feb 2016 15:36:10 +0000
   4 Subject: [PATCH 29/30] lib-fs-resize: Prevent crash resizing FAT with very
   5  deep directories
   6
   7 Resizing a FAT file system crashes in libparted/fs/r/fat/count.c
   8 flag_traverse_dir() if the length of any path name in the file system
   9 overflows the 512 byte file_name local buffer.  Increase buffer to 4096,
  10 PATH_MAX on Linux.
  11
  12 Reported in
  13 https://bugzilla.gnome.org/show_bug.cgi?id=762448
  14 ---
  15  libparted/fs/r/fat/count.c | 2 +-
  16  1 file changed, 1 insertion(+), 1 deletion(-)
  17
  18 diff --git a/libparted/fs/r/fat/count.c b/libparted/fs/r/fat/count.c
  19 index 7949e47..a5837c0 100644
  20 --- a/libparted/fs/r/fat/count.c
  21 +++ b/libparted/fs/r/fat/count.c
  22 @@ -219,7 +219,7 @@ flag_traverse_dir (FatTraverseInfo* trav_info) {
  23         PedFileSystem*          fs = trav_info->fs;
  24         FatDirEntry*            this_entry;
  25         FatTraverseInfo*        subdir_trav_info;
  26 -       char                    file_name [512];
  27 +       char                    file_name [4096];
  28         char*                   file_name_start;
  29         FatCluster              first_cluster;
  30         PedSector               size;
  31 --
  32 2.5.0
  33