linux-kernel - Re: [syzbot] [bpf?] WARNING: locking bug in bpf_map

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Message-ID: <67283170.050a0220.3c8d68.0ad6.GAE@google.com>
Date: Sun, 03 Nov 2024 18:29:04 -0800
From: syzbot <syzbot+d2adb332fe371b0595e3@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bigeasy@...utronix.de, 
	boqun.feng@...il.com, bpf@...r.kernel.org, daniel@...earbox.net, 
	eadavis@...com, eddyz87@...il.com, haoluo@...gle.com, 
	john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org, 
	linux-kernel@...r.kernel.org, longman@...hat.com, martin.lau@...ux.dev, 
	sdf@...ichev.me, song@...nel.org, syzkaller-bugs@...glegroups.com, 
	yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] WARNING: locking bug in bpf_map_put

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=122a4740580000
start commit:   f9f24ca362a4 Add linux-next specific files for 20241031
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=112a4740580000
console output: https://syzkaller.appspot.com/x/log.txt?x=162a4740580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9
dashboard link: https://syzkaller.appspot.com/bug?extid=d2adb332fe371b0595e3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=174432a7980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14ffe55f980000

Reported-by: syzbot+d2adb332fe371b0595e3@...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