From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) (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 DC3EB2561AE for ; Wed, 7 Jan 2026 09:10:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767777005; cv=none; b=IW79K0SYefzrag86AruZYADmvOOuRMTwB1K6nUhxOquy0XOeP3j/RKyv2D1c4LMXqIVj3QKNWwrAVSNaU0HxoJWPffveWhihsFCBHAXJoqAaVWJLbdP59rFg/9WtvinQmd0KOphItjgfHuvNugt7uFb2gbOJZ/cm1QcpWr2Dn+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767777005; c=relaxed/simple; bh=dc+78Nf0W4wV+Wg8rDlKmOYcRznxxjQiR28VC7vXzt0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=iyA2kBiRZMJ0Xt6ZEeIG9+YvojorMN9GbHTP2GInBEveVHLO4PO1MVAmZ7WmNYta98oGmAny/iIRuUSeiAAjzoizq2BwGNuCDEKsD0YSi9t1YQo6orYTEWPmOdZzyiwPdUyveg4UoCnWnLbjI801slVzeFgo0NhYmejBAsnH4Tc= 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=209.85.210.72 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-ot1-f72.google.com with SMTP id 46e09a7af769-7c70930bdf4so5217347a34.2 for ; Wed, 07 Jan 2026 01:10:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767777002; x=1768381802; 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=3WqgIGSwR44TRHRazTMQVG7fL5PwN85ptY9nvhB934E=; b=N2zQ/hIHkDzTi9orFoiMYJ9/YyiQq4PuaMjX1CC3iIjf1qR5Kah+G3GwW2XP9RmJmx 1j6A7IkszPrY0cYEytj6cyTgSdC/2AuO7/IjgcBPfblv9WRuwWAHX43JxGf2JgAct7Kg 7XZ+1u6ENZ1ZH3XMwN1zAg7yGFOv5QJQ1jhLgbDm4gyU3kXhAf9R3J8YOwcbpndJru+H msYxyWAiFcTAHNGLczcNX7mRaDbqAAfP1lvZ4hfqYEEJtzJoYv3Br0qQL3TZ2RJKLJxP jdPi7I0NyKq+oTTZYWJE3GRaTEZkC1zDiPOnYi6QDjZ995p2lid+u5cEf66pi9Eh7WXi rAgA== X-Forwarded-Encrypted: i=1; AJvYcCVt76maa5lHALyEETXSdMqql7bLHWJJo0uMS0GJBtTJS5VliA3xwQfol2QG9QbqHS2c0GoHBGdpxLNTrzk=@vger.kernel.org X-Gm-Message-State: AOJu0Yz00DpfSOIDA5NS8ioRmKdE0HH7AUnsGkiEL1iCLRlVi2WWm6AS VzBa8xE4mv7W2Ts9+djVbC5YuaAVl+ecoCvjKQNICUv+5QYIeCFPwy2+WA+hXQ4XQ/fCj7/h6Rd zK1ImCFvtSP2TLM87fRGOmir4fLrYol35HUKNN+3CBThO31WA+YsOpN5ne+I= X-Google-Smtp-Source: AGHT+IFVFkI4ocLP0q3Qgef6O6oXgojx1dz70iS8oxLNvcHwJYtT2bRSdxRTTST6lf2rSSZO91FescH4n7gOZG/yxYZDzae9wOfp Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2205:b0:659:9a49:906b with SMTP id 006d021491bc7-65f54f501b4mr950348eaf.54.1767777002781; Wed, 07 Jan 2026 01:10:02 -0800 (PST) Date: Wed, 07 Jan 2026 01:10:02 -0800 In-Reply-To: <250918c3-c700-436f-a103-a081d8f2f9a7@kernel.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <695e22ea.050a0220.1c677c.035b.GAE@google.com> Subject: Re: [syzbot] [f2fs?] KASAN: use-after-free Read in f2fs_write_end_io (2) From: syzbot To: chao@kernel.org, linux-kernel@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+b4444e3c972a7a124187@syzkaller.appspotmail.com Tested-by: syzbot+b4444e3c972a7a124187@syzkaller.appspotmail.com Tested on: commit: 5f1756b5 f2fs: fix to avoid UAF in f2fs_write_end_io() git tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git bugfix/syzbot console output: https://syzkaller.appspot.com/x/log.txt?x=16f42922580000 kernel config: https://syzkaller.appspot.com/x/.config?x=513255d80ab78f2b dashboard link: https://syzkaller.appspot.com/bug?extid=b4444e3c972a7a124187 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.