From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) (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 EA66629B8EF for ; Mon, 19 Jan 2026 15:17:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768835824; cv=none; b=aDRLr1JU6v4hy1M87uRSCBc3bivbtN4pzRSui7gfs5cXvej9Oe+ZxtBCq0hjludBqQBj+yd1SB/jpinW/8N3fHZo26Pzku8t1Px8fzOgQfC/DS/3RTOcHE8FpI7pEBe5cER9BEVmbySkX0zIgnm7k7rn8ZUCwqvONxZUSclB3CI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768835824; c=relaxed/simple; bh=xmeMG33KvxQU2SnXuN6Vj3+LxGEdXTsMcru4LUYM4A8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Tq9ijjKfn5Ir5E6otQBZJFYUlCyWhkeznMNMOMGW1S8EcYGPEQI2ncOlwPa0yVNDBS8s+oAkeGFPfHT4Hxk02HT9Oarja+bOsOHkRQrmEQ1bSUPPxafjATs81FJjGKgO3FFfmUPkik7jytf8oTmkFVZHK7wrfuBDG+Qy5GCiyac= 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=209.85.160.72 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-oa1-f72.google.com with SMTP id 586e51a60fabf-40450320b4fso3542508fac.0 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=X2AGAqVKIWdJUwHEBKoNAVL+w6pOJ7HvbrnfhAAd/5Dk6Hn63hx9bx+ZyoZaTbyUT9 vp82XT5pFiuq6B5HAQLBTSkuZLKZmFz1zzILkGf65NTpm73aonYBvMdWCYQELcn6WZNG ZGsq/Cvn1/HCBuvhFS/Rv76yIBOhzGOkdNvZqQ01bGkJ2Mwidq/w1FSnEQZdnv0aUBA/ IAkD7cQpIqyYMb28PhZwqdGwGKGSyH7Hw/Ln8XjjV69E+P5BcVNYazFeWzLGHts1jFlu lz58I5O0Fcq1+VvoUNIN+nLixkAyKVgIZI2/ni72My4Voy7YrcnYc1MvkCvG9PFVlSPd oaTA== X-Forwarded-Encrypted: i=1; AJvYcCV6qox3JDj7F7k47VNb6pGW4C13lyok1s9093AsDZbWTK42beSf3FKRHu/DxHTvMj1mAcppp9tXV9NZCnI=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+N/oqErUDDlu/LllvXgGtGRUgvOcKO3+O8tYr21cAtbYI4H0R 588S1BldTteqOqiDxYdXITUHWXZLwwWcm/ZJO9LZpQu6z4yCQe0aa5qD0fjQTvs2CnMhvIBRIQz OxnN7ZtVZrIC1Ja0fd0rBzNymO/I5ZR7mXcgE+G6USq1kyHf9VDZBBILMG4s= Precedence: bulk X-Mailing-List: linux-kernel@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.