Messages in this thread |  | | Date | Tue, 10 Feb 2009 16:01:01 -0800 | | Subject | Re: [PATCH] cgroups: fix possible use after free | | From | Paul Menage <> |
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On Tue, Feb 10, 2009 at 1:31 AM, Li Zefan <lizf@cn.fujitsu.com> wrote: > 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>
Seems like the safest fix.
Paul
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