From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751977AbdHOIlt (ORCPT ); Tue, 15 Aug 2017 04:41:49 -0400 Received: from mx2.suse.de ([195.135.220.15]:38020 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751445AbdHOIls (ORCPT ); Tue, 15 Aug 2017 04:41:48 -0400 Date: Tue, 15 Aug 2017 10:41:43 +0200 From: Michal Hocko To: Tetsuo Handa 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: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer Message-ID: <20170815084143.GB29067@dhcp22.suse.cz> References: <201708120046.AFI81780.OHMFtFSOFVQJOL@I-love.SAKURA.ne.jp> <20170814135919.GO19063@dhcp22.suse.cz> <201708142251.v7EMp3j9081456@www262.sakura.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201708142251.v7EMp3j9081456@www262.sakura.ne.jp> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? -- Michal Hocko SUSE Labs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 5F6B46B02B4 for ; Tue, 15 Aug 2017 04:41:49 -0400 (EDT) Received: by mail-wr0-f200.google.com with SMTP id 5so453027wrz.14 for ; Tue, 15 Aug 2017 01:41:49 -0700 (PDT) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id f18si6797740wrc.302.2017.08.15.01.41.47 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 15 Aug 2017 01:41:48 -0700 (PDT) Date: Tue, 15 Aug 2017 10:41:43 +0200 From: Michal Hocko Subject: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer Message-ID: <20170815084143.GB29067@dhcp22.suse.cz> References: <201708120046.AFI81780.OHMFtFSOFVQJOL@I-love.SAKURA.ne.jp> <20170814135919.GO19063@dhcp22.suse.cz> <201708142251.v7EMp3j9081456@www262.sakura.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201708142251.v7EMp3j9081456@www262.sakura.ne.jp> Sender: owner-linux-mm@kvack.org List-ID: To: Tetsuo Handa 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 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? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org