Re: [syzbot] [kernfs?] WARNING: locking bug in kernfs_path_from_node

From: syzbot
Date: Tue Nov 05 2024 - 02:58:14 EST


syzbot has bisected this issue to:

commit 560af5dc839eef08a273908f390cfefefb82aa04
Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Date: Wed Oct 9 15:45:03 2024 +0000

lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING.

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12d13587980000
start commit: f9f24ca362a4 Add linux-next specific files for 20241031
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=11d13587980000
console output: https://syzkaller.appspot.com/x/log.txt?x=16d13587980000
kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9
dashboard link: https://syzkaller.appspot.com/bug?extid=6ea37e2e6ffccf41a7e6
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13119340580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d56630580000

Reported-by: syzbot+6ea37e2e6ffccf41a7e6@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 560af5dc839e ("lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING.")

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