From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 83FF8355039 for ; Mon, 19 Jan 2026 09:29:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768814944; cv=none; b=JOd8oipEKJVQreAmB8wB34hpxuwlajaCWTAYFKTDeOW4GAC1ikKcHk+Uhf85trFalRrCYvQ179tPZMGYPDN1hkKXo0E41FeDRFunbUO6JLkGT77edUk3jUi98yCieELpbugHWlZCVXuzuEtE3okig7c1e5LLGcoSAgJZ/uNIcJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768814944; c=relaxed/simple; bh=KzD/DO9s97PK3wQim45Nr0UZ5dgmvMQwLfeLBtBrzkk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=c/Bn3MWCke3kSM7+Yv5lkWVSWhWw2b3147gXwlMCbRu5tWb1aTf8kHpm7RpUmKIVLaK1eUhwKG97LSEhIdMycJ2PrNfxvMtp0eiMZhrvBxoVUgCK9Csv+XEefy2bZ186i+HkR3PtOymeCj6uItmpjmMrShyotP3BUpGKsEA4YLc= 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=209.85.161.70 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-oo1-f70.google.com with SMTP id 006d021491bc7-66112077695so5561964eaf.2 for ; Mon, 19 Jan 2026 01:29:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768814941; x=1769419741; 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=p3PtKB9K45KxXODXSn46X6W9ezFYyMHU6J6DqYHYNus=; b=vMfcPQoz29uDQHjro+KC0U8p/4qYzNnF/ZsR1yoTRuS3UJeQCWo/1YxHNmdF8YCK5L 9wz40+qXCpt1gDUaFlfi/g9AoYn/+xCe/RFwD+E3aWftXX9Nwt7a6jPH2HzhZO6IKRi5 3R03xIVitXz0bThm70gmSQiC/WB+jUhrP+cdlcqCDLWRyczJ+88HwYeqK1RK07vkexe4 tz4RJ6ylhj7UHu7gYwFyK7CuSlr1AsKJe6bCGr4mQp/1U6Xw8H/ngOaWK64iyA45XhJp HPrP+6zwez4HqHBYhaN1MCKQp5FUZ9cmdxGMTDW0PEnm08sxYTLqn85xYCNKl2Qm/am0 VYQg== X-Forwarded-Encrypted: i=1; AJvYcCUyXU5/7yTeM6q5OqeHe6BjIzuo5ba/VcTKeF/TPE0QHoHPkGrSRncdrMhzAbIqEeCiPhMS+/SLTc6hJ2c=@vger.kernel.org X-Gm-Message-State: AOJu0Yz33j4H1z1aEijjbsBtrMYJFC5E1AbeHqUV4M1MT2RqaqQqaf1p 1d4CtRHArL1W9Jn4YPDbLLeSIq2bD5vfneCW8UjTWGpqKvfY3h47nJDa2Xw9/WSXtUUX8fFdY5N eqfvJUJ40l1OWusEnVXiKu/e6bkjPC1J/FHIIwhQGlYTKogbYnjns1dSIFIg= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4c06:b0:659:9a49:8e54 with SMTP id 006d021491bc7-661188e2502mr4546639eaf.36.1768814941508; Mon, 19 Jan 2026 01:29:01 -0800 (PST) Date: Mon, 19 Jan 2026 01:29:01 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696df95d.050a0220.3390f1.0045.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 tried to test the proposed patch but the build/boot failed: ./include/linux/srcu.h:197:2: error: call to undeclared function 'lock_sync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] ./include/linux/semaphore.h:52:28: error: field designator 'name' does not refer to any field in type 'struct lockdep_map' ./include/linux/semaphore.h:52:28: error: field designator 'wait_type_inner' does not refer to any field in type 'struct lockdep_map' Tested on: commit: 9f73447f disable lockdep git tree: git://git.infradead.org/users/hch/xfs.git xfs-buf-hash kernel config: https://syzkaller.appspot.com/x/.config?x=8c5ac3d8b8abfcb 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.