Re: [syzbot] [kernel] WARNING: locking bug in sched_core_balance

[syzbot]

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=111018b0580000
start commit:   ccb98ccef0e5 Merge tag 'platform-drivers-x86-v6.13-4' of g..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=131018b0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=151018b0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1c541fa8af5c9cc7
dashboard link: https://syzkaller.appspot.com/bug?extid=14641d8d78cc029add8a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=127f3818580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=172306c4580000

Reported-by: syzbot+14641d8d78cc029add8a@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