linux-kernel - Re: [syzbot] [udf?] possible deadlock in udf_free

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Message-ID: <67591aaf.050a0220.17f54a.0014.GAE@google.com>
Date: Tue, 10 Dec 2024 20:53:03 -0800
From: syzbot <syzbot+d472c32c5dd4cd2fb5c5@...kaller.appspotmail.com>
To: daniel.vetter@...ll.ch, jack@...e.com, jack@...e.cz, 
	linux-kernel@...r.kernel.org, mairacanal@...eup.net, mcanal@...lia.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [udf?] possible deadlock in udf_free_blocks

syzbot has bisected this issue to:

commit 7908632f2927b65f7486ae6b67c24071666ba43f
Author: Maíra Canal <mcanal@...lia.com>
Date:   Thu Sep 14 10:19:02 2023 +0000

    Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13bfa544580000
start commit:   cdd30ebb1b9f module: Convert symbol namespace to string li..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=107fa544580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17bfa544580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=91c852e3d1d7c1a6
dashboard link: https://syzkaller.appspot.com/bug?extid=d472c32c5dd4cd2fb5c5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=117440f8580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1659b5e8580000

Reported-by: syzbot+d472c32c5dd4cd2fb5c5@...kaller.appspotmail.com
Fixes: 7908632f2927 ("Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"")

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