Re: [syzbot] upstream test error: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe

From: Dmitry Vyukov
Date: Tue Nov 15 2022 - 02:35:36 EST


On Wed, 8 Dec 2021 at 18:23, syzbot
<syzbot+7d6f6855aee30f8bb7a5@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 79a72162048e Merge tag 'xfs-5.16-fixes-2' of git://git.ker..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=167ed58db00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=5c733c28c0192584
> dashboard link: https://syzkaller.appspot.com/bug?extid=7d6f6855aee30f8bb7a5
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+7d6f6855aee30f8bb7a5@xxxxxxxxxxxxxxxxxxxxxxxxx

This was fixed in syzkaller.

#syz invalid

> executing program
> executing program
> executing program
> executing program
> executing program
> 2021/12/05 06:23:57 BUG: program execution failed: executor 0: failed to write control pipe: write |1: broken pipe
> SYZFAIL: wrong response packet
> (errno 16: Device or resource busy)
> loop exited with status 67
>
>
> ---
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> syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx.
>
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