Re: [syzbot] WARNING in __percpu_ref_exit (2)

Hello,

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

Reported-and-tested-by: syzbot+d6218cb2fae0b2411e9d@syzkaller.appspotmail.com

Tested on:

commit:         5318e5b9 io_uring: quiesce files reg
git tree:       https://github.com/isilence/linux.git syz_test_quiesce_files
kernel config:  https://syzkaller.appspot.com/x/.config?x=f7d9f99709463d21
dashboard link: https://syzkaller.appspot.com/bug?extid=d6218cb2fae0b2411e9d
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: testing is done by a robot and is best-effort only.