| commit | 67e055d144c5b2acdc1c63811fde031263bf92c5 | [log] [tgz] |
|---|---|---|
| author | Li Zefan <lizf@cn.fujitsu.com> | Wed Feb 18 14:48:20 2009 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Wed Feb 18 15:37:54 2009 -0800 |
| tree | 6bdb0af25cc30d7bc8a8d54db3625f8486c2f5f9 | |
| parent | 1cf6e7d83bf334cc5916137862c920a97aabc018 [diff] |
cgroups: fix possible use after free In cgroup_kill_sb(), root is freed before sb is detached from the list, so another sget() may find this sb and call cgroup_test_super(), which will access the root that has been freed. Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>