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Message-ID: <dc8bb665-c30f-be49-0592-6b6560a3e9a4@I-love.SAKURA.ne.jp>
Date:   Wed, 30 Jan 2019 19:53:28 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     syzbot <syzbot+cea928fd1f13d3cbeee3@...kaller.appspotmail.com>,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: BUG: executor-detected bug

On 2019/01/29 3:33, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    30bac164aca7 Revert "Change mincore() to count "mapped" pa..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11888d5f400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=505743eba4e4f68
> dashboard link: https://syzkaller.appspot.com/bug?extid=cea928fd1f13d3cbeee3
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> userspace arch: i386
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11be4390c00000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+cea928fd1f13d3cbeee3@...kaller.appspotmail.com
> 
> vice hsr_slave_0 left promiscuous mode
> 2019/01/24 16:52:39 executed programs: 197
> 2019/01/24 16:52:41 BUG: executor-detected bug:
> child errored
> loop errored
> 2019/01/24 16:52:41 result: failed=true hanged=false err=executor 0: detected kernel bug
> 
> child errored
> loop errored

This error message was triggered by

  doexit(kErrorStatus);

in executor/executor.cc . This is not a kernel bug.

#syz invalid

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