linux-kernel - Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in __ocfs2_flush_truncate

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>] [day] [month] [year] [list]

Message-ID: <68f613db.050a0220.91a22.0444.GAE@google.com>
Date: Mon, 20 Oct 2025 03:50:03 -0700
From: syzbot <syzbot+4d55dad3a9e8e9f7d2b5@...kaller.appspotmail.com>
To: dmantipov@...dex.ru, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in __ocfs2_flush_truncate_log

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+4d55dad3a9e8e9f7d2b5@...kaller.appspotmail.com
Tested-by: syzbot+4d55dad3a9e8e9f7d2b5@...kaller.appspotmail.com

Tested on:

commit:         211ddde0 Linux 6.18-rc2
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12e6f52f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7c601ba0b0d071c6
dashboard link: https://syzkaller.appspot.com/bug?extid=4d55dad3a9e8e9f7d2b5
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=177d8de2580000

Note: testing is done by a robot and is best-effort only.