linux-kernel - Re: [syzbot] [ocfs2?] possible deadlock in ocfs2_reserve_local_alloc

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

Message-ID: <0000000000000c5506062224dd83@google.com>
Date: Sun, 15 Sep 2024 02:13:02 -0700
From: syzbot <syzbot+843fa26882088a9ee7e3@...kaller.appspotmail.com>
To: elic@...dia.com, jasowang@...hat.com, jlbec@...lplan.org, 
	joseph.qi@...ux.alibaba.com, linux-kernel@...r.kernel.org, mark@...heh.com, 
	mst@...hat.com, ocfs2-devel@...ts.linux.dev, ocfs2-devel@....oracle.com, 
	parav@...dia.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] possible deadlock in ocfs2_reserve_local_alloc_bits

syzbot has bisected this issue to:

commit a3c06ae158dd6fa8336157c31d9234689d068d02
Author: Parav Pandit <parav@...dia.com>
Date:   Tue Jan 5 10:32:03 2021 +0000

    vdpa_sim_net: Add support for user supported devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=174bbc77980000
start commit:   0babf683783d Merge tag 'pinctrl-v6.11-4' of git://git.kern..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14cbbc77980000
console output: https://syzkaller.appspot.com/x/log.txt?x=10cbbc77980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1c9e296880039df9
dashboard link: https://syzkaller.appspot.com/bug?extid=843fa26882088a9ee7e3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=129a6407980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=167617c7980000

Reported-by: syzbot+843fa26882088a9ee7e3@...kaller.appspotmail.com
Fixes: a3c06ae158dd ("vdpa_sim_net: Add support for user supported devices")

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