Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer

From: Michal Hocko
Date: Tue Aug 15 2017 - 04:41:55 EST


On Tue 15-08-17 07:51:02, Tetsuo Handa wrote:
> Michal Hocko wrote:
[...]
> > Were you able to reproduce with other filesystems?
>
> Yes, I can reproduce this problem using both xfs and ext4 on 4.11.11-200.fc25.x86_64
> on Oracle VM VirtualBox on Windows.

Just a quick question.
http://lkml.kernel.org/r/201708112053.FIG52141.tHJSOQFLOFMFOV@xxxxxxxxxxxxxxxxxxx
mentioned next-20170811 kernel and this one 4.11. Your original report
as a reply to this thread
http://lkml.kernel.org/r/201708072228.FAJ09347.tOOVOFFQJSHMFL@xxxxxxxxxxxxxxxxxxx
mentioned next-20170728. None of them seem to have this fix
http://lkml.kernel.org/r/20170807113839.16695-3-mhocko@xxxxxxxxxx so let
me ask again. Have you seen an unexpected content written with that
patch applied?
--
Michal Hocko
SUSE Labs