From: Jens Axboe <axboe@kernel.dk>
To: syzbot <syzbot+b18b8be69df33a3918e9@syzkaller.appspotmail.com>,
asml.silence@gmail.com, haoxu@linux.alibaba.com,
io-uring@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] possible deadlock in io_worker_cancel_cb
Date: Mon, 13 Dec 2021 09:06:29 -0700 [thread overview]
Message-ID: <494d69b4-d9da-b698-39e6-ed41b64a09a7@kernel.dk> (raw)
In-Reply-To: <00000000000080c88305d300e67f@google.com>
On 12/12/21 11:08 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: a763d5a5abd6 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12b900bab00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7d5e878e3399b6cc
> dashboard link: https://syzkaller.appspot.com/bug?extid=b18b8be69df33a3918e9
> compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143f7551b00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f56825b00000
>
> The issue was bisected to:
>
> commit 71a85387546e50b1a37b0fa45dadcae3bfb35cf6
> Author: Jens Axboe <axboe@kernel.dk>
> Date: Fri Dec 10 15:29:30 2021 +0000
>
> io-wq: check for wq exit after adding new worker task_work
#syz test git://git.kernel.dk/linux-block io_uring-5.16
--
Jens Axboe
next prev parent reply other threads:[~2021-12-13 16:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 6:08 [syzbot] possible deadlock in io_worker_cancel_cb syzbot
2021-12-13 16:06 ` Jens Axboe [this message]
2021-12-13 16:40 ` syzbot
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