linux-kernel - Re: [syzbot] possible deadlock in io_sq_thread

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Message-ID: <5112d102-d849-c640-868f-ee820163d02e@kernel.dk>
Date:   Tue, 9 Mar 2021 07:57:43 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+ac39856cb1b332dbbdda@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] possible deadlock in io_sq_thread_finish

On 3/9/21 7:04 AM, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    144c79ef Merge tag 'perf-tools-fixes-for-v5.12-2020-03-07'..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=129addbcd00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=db9c6adb4986f2f2
> dashboard link: https://syzkaller.appspot.com/bug?extid=ac39856cb1b332dbbdda
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=167574dad00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12c8f566d00000

#syz test: git://git.kernel.dk/linux-block io_uring-5.12

-- 
Jens Axboe