linux-kernel - Re: [syzbot] [ocfs2?] KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc

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Message-ID: <6946698e.a70a0220.207337.012d.GAE@google.com>
Date: Sat, 20 Dec 2025 01:17:02 -0800
From: syzbot <syzbot+af14efe17dfa46173239@...kaller.appspotmail.com>
To: activprithvi@...il.com, heming.zhao@...e.com, jlbec@...lplan.org, 
	joseph.qi@...ux.alibaba.com, linux-kernel@...r.kernel.org, mark@...heh.com, 
	ocfs2-devel@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits

Hello,

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

Reported-by: syzbot+af14efe17dfa46173239@...kaller.appspotmail.com
Tested-by: syzbot+af14efe17dfa46173239@...kaller.appspotmail.com

Tested on:

commit:         36c25451 Merge tag 'powerpc-6.12-4' of git://git.kerne..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=152cd984580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb22c32016cc7ad7
dashboard link: https://syzkaller.appspot.com/bug?extid=af14efe17dfa46173239
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=169e1b1a580000

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