Re: [syzbot] INFO: task hung in io_ring_exit_work

From: Pavel Begunkov
Date: Thu May 13 2021 - 17:15:44 EST


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@xxxxxxxxxxxxxxxxxxxxxxxxx

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