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

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Message-ID: <696e4aed.050a0220.3390f1.004d.GAE@google.com>
Date: Mon, 19 Jan 2026 07:17:01 -0800
From: syzbot <syzbot+0391d34e801643e2809b@...kaller.appspotmail.com>
To: hch@...radead.org, linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [xfs?] KASAN: slab-use-after-free Read in xfs_buf_rele (4)

Hello,

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

Reported-by: syzbot+0391d34e801643e2809b@...kaller.appspotmail.com
Tested-by: syzbot+0391d34e801643e2809b@...kaller.appspotmail.com

Tested on:

commit:         5dc79b07 disable lockdep
git tree:       git://git.infradead.org/users/hch/xfs.git xfs-buf-hash
console output: https://syzkaller.appspot.com/x/log.txt?x=16604bfc580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3433733714e92ec3
dashboard link: https://syzkaller.appspot.com/bug?extid=0391d34e801643e2809b
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
userspace arch: arm64

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.