linux-kernel - Re: [syzbot] [kernfs?] WARNING: locking bug in kernfs_path_from

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Message-ID: <6729d00b.050a0220.2edce.1505.GAE@google.com>
Date: Mon, 04 Nov 2024 23:58:03 -0800
From: syzbot <syzbot+6ea37e2e6ffccf41a7e6@...kaller.appspotmail.com>
To: bigeasy@...utronix.de, boqun.feng@...il.com, gregkh@...uxfoundation.org, 
	linux-kernel@...r.kernel.org, longman@...hat.com, 
	syzkaller-bugs@...glegroups.com, tj@...nel.org
Subject: Re: [syzbot] [kernfs?] WARNING: locking bug in kernfs_path_from_node

syzbot has bisected this issue to:

commit 560af5dc839eef08a273908f390cfefefb82aa04
Author: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
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@...kaller.appspotmail.com
Fixes: 560af5dc839e ("lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING.")

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