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SubjectRe: BUG: unable to handle kernel paging request in percpu_ref_exit
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On 09/01/2021 17:01, syzbot wrote:
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:

#syz fix: io_uring: Fix return value from alloc_fixed_file_ref_node

>
> Reported-and-tested-by: syzbot+99ed55100402022a6276@syzkaller.appspotmail.com
>
> Tested on:
>
> commit: d9d05217 io_uring: stop SQPOLL submit on creator's death
> git tree: git://git.kernel.dk/linux-block
> kernel config: https://syzkaller.appspot.com/x/.config?x=2455d075a1c4afa8
> dashboard link: https://syzkaller.appspot.com/bug?extid=99ed55100402022a6276
> compiler: gcc (GCC) 10.1.0-syz 20200507
>
> Note: testing is done by a robot and is best-effort only.
>

--
Pavel Begunkov

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