Re: mm: kernel BUG in page_add_new_anon_rmap (khugepaged)

From: Kirill A. Shutemov
Date: Wed Sep 07 2016 - 12:38:40 EST


On Sat, Sep 03, 2016 at 12:11:21PM +0200, Dmitry Vyukov wrote:
> Hello,
>
> I've got another BUG in khugepaged while running syzkaller fuzzer:
>
> kernel BUG at mm/rmap.c:1248!

I think it caused by the same bug as the you've already reported:

http://lkml.kernel.org/r/CACT4Y+Z3gigBvhca9kRJFcjX0G70V_nRhbwKBU+yGoESBDKi9Q@xxxxxxxxxxxxxx

The patch in that thread should address this issue too.

--
Kirill A. Shutemov