Re: BUG: unable to handle kernel paging request in percpu_ref_exit

From: syzbot
Date: Sat Jan 09 2021 - 12:02:02 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+99ed55100402022a6276@xxxxxxxxxxxxxxxxxxxxxxxxx

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.