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

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Message-ID: <68f8b6da.050a0220.346f24.0040.GAE@google.com>
Date: Wed, 22 Oct 2025 03:50:02 -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:         552c5071 Merge tag 'vfio-v6.18-rc3' of https://github...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=122cce7c580000
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=14b8e3e2580000

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