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From: Christian Brauner <christian.brauner@ubuntu.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+c5d03165a1bd1dead0c1@syzkaller.appspotmail.com>,
	bsingharora@gmail.com, Marco Elver <elver@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: KCSAN: data-race in taskstats_exit / taskstats_exit
Date: Sat, 5 Oct 2019 13:29:58 +0200	[thread overview]
Message-ID: <20191005112957.n2fuhhmqdgrctcxj@wittgenstein> (raw)
In-Reply-To: <CACT4Y+bcUggJkCFTYzT3PNgTtQb5i-uc3nHwixQp+nJORYk4RA@mail.gmail.com>

On Sat, Oct 05, 2019 at 06:29:39AM +0200, Dmitry Vyukov wrote:
> On Sat, Oct 5, 2019 at 6:26 AM syzbot
> <syzbot+c5d03165a1bd1dead0c1@syzkaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:    b4bd9343 x86, kcsan: Enable KCSAN for x86
> > git tree:       https://github.com/google/ktsan.git kcsan
> > console output: https://syzkaller.appspot.com/x/log.txt?x=125329db600000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=c0906aa620713d80
> > dashboard link: https://syzkaller.appspot.com/bug?extid=c5d03165a1bd1dead0c1
> > compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+c5d03165a1bd1dead0c1@syzkaller.appspotmail.com
> 
> +Christian, you wanted races in process mgmt ;)

Yes, indeed. :) Sent a fix for this one just now. I'll put it in my
fixes tree for rc3.

Christian

  reply	other threads:[~2019-10-05 11:30 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-05  4:26 KCSAN: data-race in taskstats_exit / taskstats_exit syzbot
2019-10-05  4:29 ` Dmitry Vyukov
2019-10-05 11:29   ` Christian Brauner [this message]
2019-10-05 11:28 ` [PATCH] taskstats: fix data-race Christian Brauner
2019-10-05 13:33   ` Marco Elver
2019-10-05 14:15     ` Christian Brauner
2019-10-05 14:34       ` Marco Elver
2019-10-06 10:00   ` Dmitry Vyukov
2019-10-06 10:59     ` Christian Brauner
2019-10-06 23:52   ` Christian Brauner
2019-10-07  7:31     ` Dmitry Vyukov
2019-10-07  9:29       ` Christian Brauner
2019-10-07 10:40     ` Andrea Parri
2019-10-07 10:50       ` Christian Brauner
2019-10-07 11:01       ` [PATCH v2] " Christian Brauner
2019-10-07 13:18         ` Andrea Parri
2019-10-07 13:28           ` Christian Brauner
2019-10-07 13:50           ` Dmitry Vyukov
2019-10-07 13:55             ` Christian Brauner
2019-10-07 14:08               ` Dmitry Vyukov
2019-10-07 14:10                 ` Christian Brauner
2019-10-07 14:14             ` Andrea Parri
2019-10-07 14:18               ` Dmitry Vyukov
2019-10-08 14:20                 ` Andrea Parri
2019-10-08 14:24                   ` Christian Brauner
2019-10-08 15:26                     ` Andrea Parri
2019-10-08 15:35                       ` Christian Brauner
2019-10-08 15:44                         ` Andrea Parri
2019-10-09 11:31                           ` [PATCH] " Christian Brauner
2019-10-09 11:40                             ` Christian Brauner
2019-10-09 11:48                             ` [PATCH v5] " Christian Brauner
2019-10-09 12:08                               ` Andrea Parri
2019-10-09 13:26                               ` Christian Brauner
2019-10-21 11:33                               ` [PATCH v6] " Christian Brauner
2019-10-21 12:19                                 ` Rasmus Villemoes
2019-10-21 13:04                                   ` Christian Brauner
2019-11-29 17:56                                     ` Will Deacon
2019-11-30 15:08                                       ` Christian Brauner
2019-10-23 12:16                                 ` Andrea Parri
2019-10-23 12:39                                   ` Dmitry Vyukov
2019-10-23 13:11                                     ` Christian Brauner
2019-10-23 13:20                                       ` Dmitry Vyukov
2019-10-24 11:31                                     ` Andrea Parri
2019-10-24 11:51                                       ` Dmitry Vyukov
2019-10-24 13:05                                         ` Andrea Parri
2019-10-24 13:13                                           ` Dmitry Vyukov
2019-10-24 13:21                                             ` Christian Brauner
2019-10-24 13:34                                               ` Dmitry Vyukov
2019-10-24 13:43                                             ` Andrea Parri
2019-10-24 13:58                                               ` Dmitry Vyukov
2019-10-24 14:40                                                 ` Andrea Parri
2019-10-24 14:49                                                   ` Dmitry Vyukov
2019-11-29 17:57                                 ` Will Deacon
2019-10-09 11:48                             ` [PATCH] " Marco Elver
2019-10-09 11:53                               ` Christian Brauner
2019-11-06  0:27   ` Balbir Singh
2019-11-06  0:09 ` KCSAN: data-race in taskstats_exit / taskstats_exit Balbir Singh
2019-11-06 10:23   ` Marco Elver
2019-11-07 10:39     ` Balbir Singh
2019-11-08  0:54     ` Balbir Singh
2019-11-08  8:55       ` Dmitry Vyukov
2019-11-09  3:42         ` Balbir Singh

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