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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Michal Hocko <mhocko@kernel.org>
Cc: akpm@linux-foundation.org, andrea@kernel.org,
	kirill@shutemov.name, oleg@redhat.com,
	wenwei.tww@alibaba-inc.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer
Date: Tue, 15 Aug 2017 19:06:28 +0900	[thread overview]
Message-ID: <201708151006.v7FA6SxD079619@www262.sakura.ne.jp> (raw)
In-Reply-To: <20170815084143.GB29067@dhcp22.suse.cz>

Michal Hocko wrote:
> 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@I-love.SAKURA.ne.jp
> 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@I-love.SAKURA.ne.jp
> mentioned next-20170728. None of them seem to have this fix
> http://lkml.kernel.org/r/20170807113839.16695-3-mhocko@kernel.org so let
> me ask again. Have you seen an unexpected content written with that
> patch applied?

No. All non-zero non-0xFF values are without that patch applied.
I want to confirm that that patch actually fixes non-zero non-0xFF values
(so that we can have better patch description for that patch).

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  reply	other threads:[~2017-08-15 10:06 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-07 11:38 [PATCH 0/2] mm, oom: fix oom_reaper fallouts Michal Hocko
2017-08-07 11:38 ` Michal Hocko
2017-08-07 11:38 ` [PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS Michal Hocko
2017-08-07 11:38   ` Michal Hocko
2017-08-15  0:49   ` David Rientjes
2017-08-15  0:49     ` David Rientjes
2017-08-07 11:38 ` [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer Michal Hocko
2017-08-07 11:38   ` Michal Hocko
2017-08-08 17:48   ` Andrea Arcangeli
2017-08-08 17:48     ` Andrea Arcangeli
2017-08-08 23:35     ` Tetsuo Handa
2017-08-08 23:35       ` Tetsuo Handa
2017-08-09 18:36       ` Andrea Arcangeli
2017-08-09 18:36         ` Andrea Arcangeli
2017-08-10  8:21     ` Michal Hocko
2017-08-10  8:21       ` Michal Hocko
2017-08-10 13:33       ` Michal Hocko
2017-08-10 13:33         ` Michal Hocko
2017-08-11  2:28   ` Tetsuo Handa
2017-08-11  2:28     ` Tetsuo Handa
2017-08-11  7:09     ` Michal Hocko
2017-08-11  7:09       ` Michal Hocko
2017-08-11  7:54       ` Tetsuo Handa
2017-08-11  7:54         ` Tetsuo Handa
2017-08-11 10:22         ` Andrea Arcangeli
2017-08-11 10:22           ` Andrea Arcangeli
2017-08-11 10:42           ` Andrea Arcangeli
2017-08-11 10:42             ` Andrea Arcangeli
2017-08-11 11:53             ` Tetsuo Handa
2017-08-11 11:53               ` Tetsuo Handa
2017-08-11 12:08         ` Michal Hocko
2017-08-11 12:08           ` Michal Hocko
2017-08-11 15:46           ` Tetsuo Handa
2017-08-11 15:46             ` Tetsuo Handa
2017-08-14 13:59             ` Michal Hocko
2017-08-14 13:59               ` Michal Hocko
2017-08-14 22:51               ` Tetsuo Handa
2017-08-15  6:55                 ` Michal Hocko
2017-08-15  6:55                   ` Michal Hocko
2017-08-15  8:41                 ` Michal Hocko
2017-08-15  8:41                   ` Michal Hocko
2017-08-15 10:06                   ` Tetsuo Handa [this message]
2017-08-15 12:26                     ` Michal Hocko
2017-08-15 12:26                       ` Michal Hocko
2017-08-15 12:58                       ` Tetsuo Handa
2017-08-17 13:58                         ` Michal Hocko
2017-08-17 13:58                           ` Michal Hocko
2017-08-15  5:30               ` Tetsuo Handa
2017-08-07 13:28 ` [PATCH 0/2] mm, oom: fix oom_reaper fallouts Tetsuo Handa
2017-08-07 13:28   ` Tetsuo Handa
2017-08-07 14:04   ` Michal Hocko
2017-08-07 14:04     ` Michal Hocko
2017-08-07 15:23     ` Tetsuo Handa
2017-08-07 15:23       ` Tetsuo Handa
2017-08-15 12:29 ` Michal Hocko
2017-08-15 12:29   ` Michal Hocko

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