Messages in this thread | | | Date | Mon, 5 Nov 2012 12:14:50 +0800 | Subject | Re: mm: NULL ptr deref in anon_vma_interval_tree_verify | From | Bob Liu <> |
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On Mon, Nov 5, 2012 at 11:31 AM, Michel Lespinasse <walken@google.com> wrote: > On Sun, Nov 4, 2012 at 6:20 PM, Bob Liu <lliubbo@gmail.com> wrote: >> The loop for each entry of vma->anon_vma_chain in validate_mm() is not >> protected by anon_vma lock. >> I think that may be the cause. >> >> Michel, What's your opinion? > > Good catch, I think that's it. Somehow it had not occured to me to
Hmm, I attached a simple fix patch. Sasha, Could you have a test to see whether it can fix your issue?
Thanks, -Bob [unhandled content-type:application/octet-stream] | |