Re: [syzbot] [udf?] possible deadlock in udf_free_blocks

From: syzbot
Date: Tue Dec 03 2024 - 07:41:59 EST


syzbot has bisected this issue to:

commit 7908632f2927b65f7486ae6b67c24071666ba43f
Author: Maíra Canal <mcanal@xxxxxxxxxx>
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=13dbe80f980000
start commit: cdd30ebb1b9f module: Convert symbol namespace to string li..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=103be80f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=17dbe80f980000
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@xxxxxxxxxxxxxxxxxxxxxxxxx
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