linux-kernel - Re: [syzbot] [kernel] WARNING: locking bug in sched_core

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 for Android: free password hash cracker in your pocket

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

Message-ID: <67768346.050a0220.3a8527.0039.GAE@google.com>
Date: Thu, 02 Jan 2025 04:15:02 -0800
From: syzbot <syzbot+14641d8d78cc029add8a@...kaller.appspotmail.com>
To: asml.silence@...il.com, axboe@...nel.dk, bp@...en8.de, 
	daniel.vetter@...ll.ch, dave.hansen@...ux.intel.com, hpa@...or.com, 
	io-uring@...r.kernel.org, linux-kernel@...r.kernel.org, mairacanal@...eup.net, 
	mcanal@...lia.com, mingo@...hat.com, syzkaller-bugs@...glegroups.com, 
	tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] [kernel] WARNING: locking bug in sched_core_balance

syzbot has bisected this issue to:

commit 7908632f2927b65f7486ae6b67c24071666ba43f
Author: Maíra Canal <mcanal@...lia.com>
Date:   Thu Sep 14 10:19:02 2023 +0000

    Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=111018b0580000
start commit:   ccb98ccef0e5 Merge tag 'platform-drivers-x86-v6.13-4' of g..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=131018b0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=151018b0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1c541fa8af5c9cc7
dashboard link: https://syzkaller.appspot.com/bug?extid=14641d8d78cc029add8a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=127f3818580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=172306c4580000

Reported-by: syzbot+14641d8d78cc029add8a@...kaller.appspotmail.com
Fixes: 7908632f2927 ("Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"")

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