linux-kernel - Re: [syzbot] WARNING in io_cqring_event

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Message-ID: <000000000000c7bf6a05f21c4e23@google.com>
Date:   Thu, 12 Jan 2023 18:51:18 -0800
From:   syzbot <syzbot+6805087452d72929404e@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING in io_cqring_event_overflow

Hello,

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

Reported-and-tested-by: syzbot+6805087452d72929404e@...kaller.appspotmail.com

Tested on:

commit:         7b9484d4 io_uring: lock overflowing for IOPOLL
git tree:       https://github.com/isilence/linux.git overflow-lock
console output: https://syzkaller.appspot.com/x/log.txt?x=177064a6480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5bdd5369dfff2192
dashboard link: https://syzkaller.appspot.com/bug?extid=6805087452d72929404e
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.