Re: [syzbot] [net?] WARNING: locking bug in finish_task_switch (3)

[syzbot]

syzbot has bisected this issue to:

commit 8fa30821180a9a19e78e9f4df1c0ba710252801e
Author: Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx>
Date:   Tue Jun 16 07:09:14 2026 +0000

    timekeeping: Register default clocksource before taking tk_core.lock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10d09525580000
start commit:   50d05c7c76c9 Merge tag 'landlock-7.3-rc3' of git://git.ker..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12d09525580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14d09525580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5e4e3a0e188a497e
dashboard link: https://syzkaller.appspot.com/bug?extid=b5ddc2aecb8d1b29c871
userspace arch: i386
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12ab4525580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14d4e915580000

Reported-by: syzbot+b5ddc2aecb8d1b29c871@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 8fa30821180a ("timekeeping: Register default clocksource before taking tk_core.lock")

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