linux-kernel - Re: [syzbot] INFO: task hung in io_ring_exit

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Message-ID: <eb659001-f646-95e7-2037-8615e116582f@gmail.com>
Date:   Thu, 13 May 2021 22:15:32 +0100
From:   Pavel Begunkov <asml.silence@...il.com>
To:     syzbot <syzbot+93f72b3885406bb09e0d@...kaller.appspotmail.com>,
        axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in io_ring_exit_work

On 5/8/21 3:50 AM, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
> 
> Reported-and-tested-by: syzbot+93f72b3885406bb09e0d@...kaller.appspotmail.com

May still be there but silent because of fixed buffers changes,
test with the old behaviour restored

#syz test: https://github.com/isilence/linux.git syz_test7

> 
> Tested on:
> 
> commit:         50b7b6f2 x86/process: setup io_threads more like normal us..
> git tree:       git://git.kernel.dk/linux-block io_uring-5.13
> kernel config:  https://syzkaller.appspot.com/x/.config?x=f81a36128b448b98
> dashboard link: https://syzkaller.appspot.com/bug?extid=93f72b3885406bb09e0d
> compiler:       
> 
> Note: testing is done by a robot and is best-effort only.
> 

-- 
Pavel Begunkov