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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-02-18 23:48:20 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-19 00:37:54 +0100 |
| commit | 67e055d144c5b2acdc1c63811fde031263bf92c5 (patch) | |
| tree | 6bdb0af25cc30d7bc8a8d54db3625f8486c2f5f9 /kernel/spinlock.c | |
| parent | mm: task dirty accounting fix (diff) | |
| download | linux-67e055d144c5b2acdc1c63811fde031263bf92c5.tar.xz linux-67e055d144c5b2acdc1c63811fde031263bf92c5.zip | |
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>
Diffstat (limited to 'kernel/spinlock.c')
0 files changed, 0 insertions, 0 deletions