2021-12-08 17:23:23

by syzbot

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

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: [email protected]

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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See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at [email protected].

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2022-11-15 08:13:54

by Dmitry Vyukov

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

On Wed, 8 Dec 2021 at 18:23, syzbot
<[email protected]> 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: [email protected]

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
>
>
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at [email protected].
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.