On Sun, Nov 4, 2012 at 6:20 PM, Bob Liu <lliubbo@xxxxxxxxx> 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 verify the checker code - as in, who's checking the checker ? :) -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href