linux-kernel - Re: [syzbot] inconsistent lock state in io_poll_remove

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Message-ID: <cc6aeb46-1cfc-ac3e-0764-c2f930b6f28e@kernel.dk>
Date:   Fri, 26 Nov 2021 08:39:20 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+51ce8887cdef77c9ac83@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] inconsistent lock state in io_poll_remove_all

On 11/26/21 2:27 AM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    a4849f6000e2 Merge tag 'drm-fixes-2021-11-26' of git://ano..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11162e9ab00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=bf85c53718a1e697
> dashboard link: https://syzkaller.appspot.com/bug?extid=51ce8887cdef77c9ac83
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+51ce8887cdef77c9ac83@...kaller.appspotmail.com

#syz fix io_uring: fix link traversal locking

-- 
Jens Axboe