linux-kernel - Re: [syzbot] [bcachefs?] WARNING: locking bug in rcu_pending

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <674cc0f9.050a0220.48a03.0012.GAE@google.com>
Date: Sun, 01 Dec 2024 12:03:05 -0800
From: syzbot <syzbot+8d7226784b8fcb4c9d04@...kaller.appspotmail.com>
To: anton.ivanov@...bridgegreys.com, axboe@...nel.dk, bp@...en8.de, 
	dave.hansen@...ux.intel.com, hch@....de, hpa@...or.com, 
	kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, martin.petersen@...cle.com, mingo@...hat.com, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] [bcachefs?] WARNING: locking bug in rcu_pending_exit

syzbot has bisected this issue to:

commit 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6
Author: Christoph Hellwig <hch@....de>
Date:   Fri May 31 07:47:56 2024 +0000

    ubd: refactor the interrupt handler

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1739bf78580000
start commit:   2ba9f676d0a2 Merge tag 'drm-next-2024-11-29' of https://gi..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14b9bf78580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10b9bf78580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a857d0dac7fee57c
dashboard link: https://syzkaller.appspot.com/bug?extid=8d7226784b8fcb4c9d04
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1037f9e8580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=155d1d30580000

Reported-by: syzbot+8d7226784b8fcb4c9d04@...kaller.appspotmail.com
Fixes: 5db755fbb1a0 ("ubd: refactor the interrupt handler")

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