linux-kernel - Re: [syzbot] [mm?] [bcachefs?] KASAN: slab-use-after-free Read in list_lru

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: <67cb763a.050a0220.d8275.0226.GAE@google.com>
Date: Fri, 07 Mar 2025 14:42:02 -0800
From: syzbot <syzbot+6663075ddb9be85fa6e5@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, hughd@...gle.com, kent.overstreet@...ux.dev, 
	linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] [bcachefs?] KASAN: slab-use-after-free Read in list_lru_del

syzbot has bisected this issue to:

commit 14152654805256d760315ec24e414363bfa19a06
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Mon Nov 25 05:21:27 2024 +0000

    bcachefs: Bad btree roots are now autofix

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=108d43a8580000
start commit:   03d38806a902 Merge tag 'thermal-6.14-rc5' of git://git.ker..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=128d43a8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=148d43a8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8de9cc84d5960254
dashboard link: https://syzkaller.appspot.com/bug?extid=6663075ddb9be85fa6e5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=104d2864580000

Reported-by: syzbot+6663075ddb9be85fa6e5@...kaller.appspotmail.com
Fixes: 141526548052 ("bcachefs: Bad btree roots are now autofix")

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