linux-kernel - Re: INFO: task hung in virtio

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Message-ID: <0000000000002ce0d905bc40c2df@google.com>
Date:   Fri, 26 Feb 2021 09:40:05 -0800
From:   syzbot <syzbot+1db88381b64aaa929ef6@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, benjamin.tissoires@...hat.com,
        gregkh@...uxfoundation.org, hdanton@...a.com,
        herbert@...dor.apana.org.au, jikos@...nel.org, jkosina@...e.cz,
        linux-crypto@...r.kernel.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        mpm@...enic.com, mst@...hat.com, rafael@...nel.org,
        rikard.falkeborn@...il.com, sammko@...mserver.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in virtio_cleanup

syzbot has bisected this issue to:

commit 77a36a3ab4ff17fad23831192e3694a3c5a1750d
Author: Samuel Čavoj <sammko@...mserver.com>
Date:   Fri Mar 13 02:12:38 2020 +0000

    HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=129959ccd00000
start commit:   f40ddce8 Linux 5.11
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=119959ccd00000
console output: https://syzkaller.appspot.com/x/log.txt?x=169959ccd00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e53d04227c52a0df
dashboard link: https://syzkaller.appspot.com/bug?extid=1db88381b64aaa929ef6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12277728d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1135e198d00000

Reported-by: syzbot+1db88381b64aaa929ef6@...kaller.appspotmail.com
Fixes: 77a36a3ab4ff ("HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection