From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f70.google.com (mail-ot1-f70.google.com [209.85.210.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED081378D8D for ; Mon, 19 Jan 2026 15:17:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768835826; cv=none; b=ifXdWkelYfAcFPmPpD5uNBBXDptHHAb47DurJm7Ru9iFoqH2dBjNz5fFhcS93hD3oztQ3LVYPUf7Jk1C9wTbndpxvr9xyoI/chVs/ownTcmvCLIKAAn7XAnkg2y434m+NUCOlSIx7melIzUO8CN2yzjKwmW6gNUIuKQnM3A5PD8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768835826; c=relaxed/simple; bh=xmeMG33KvxQU2SnXuN6Vj3+LxGEdXTsMcru4LUYM4A8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=iOAH0IzdZz6+LJRVG1NvVTu/dopqoZvbqxva7Ae1Is8gW2x79Sb/YfT7zZm9WUbrNHtGTbvUTEHYdclh5XCcghSMI4rCplhsJJsrgJDWbCTlakns3q07rtGvCoMqmroJUlX2WdKy+A5iUq8ugKCK5lOHmjNoe4FaweaVSMLpoJ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f70.google.com with SMTP id 46e09a7af769-7ce1dd077bdso9282449a34.1 for ; Mon, 19 Jan 2026 07:17:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768835822; x=1769440622; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5yY0RLKS8os/RR4JdW0hF3GgpSfUCcITuU/NkFyH4Eo=; b=A68to02gWnUEVkgJ+m1CGCO48y8tfrI8QD/AaQ5sXJ2Z/1n4hrTWxU8HD/rc+jxlyy ymQCrcdNoCC34zsPEGZTm+vYd5J94ZmIjpDTF9MAlvlVMp4Zr+X5V2Txc14nvIgd3rQc fOzZgYbud0Uk/26h2hyfZ1heoJYjcwnwiIL8WOSyGhOlsr8xCwwmwL/9fjzjxvl5YToK og6uhk/XbINrMnJ4V69UJ7IeZE0KMpyKTnzkkdk06JNPAsERE8qHV6IpO8FJtFJ5obYt ddpsfmH7adbE+5UCqchNOqKKM5NWyzO5TPtmQwq2vy+P6YQIWcs7zQc1gGRmcIIt/TAj rWgg== X-Forwarded-Encrypted: i=1; AJvYcCXspOYAooZuEiRPKFELmt5BvVqoDGpvF14ozTTONc9Ef52iVQOgTcBtE9Tfu1zjiNF1nAvb9vzkTMg=@vger.kernel.org X-Gm-Message-State: AOJu0Yy5M1+oWEtNk11xa89uw3M4TME+zX09e12Ji5GQyTXsfoE/d/uA 9zuCOljEEV95erty1DtN+z/6H1LN/Y2B2VOHbk9ys9h4IrPmCXt/StWqu4WifT7FluwTxd5J7jG jNf96LAqfRcfP7Td1QgYE6EX92T4Er2eeVpPlwfqP05oRaGKp/GD8iqK1F+s= Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4df0:b0:65e:e522:bf0a with SMTP id 006d021491bc7-66117983ddcmr5176938eaf.36.1768835821794; Mon, 19 Jan 2026 07:17:01 -0800 (PST) Date: Mon, 19 Jan 2026 07:17:01 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696e4aed.050a0220.3390f1.004d.GAE@google.com> Subject: Re: [syzbot] [xfs?] KASAN: slab-use-after-free Read in xfs_buf_rele (4) From: syzbot To: hch@infradead.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+0391d34e801643e2809b@syzkaller.appspotmail.com Tested-by: syzbot+0391d34e801643e2809b@syzkaller.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.