From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 793D234321F for ; Wed, 11 Feb 2026 16:44:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770828247; cv=none; b=MUgR2CtJEOYyswrxMAa96Ya9EI/wZrvwtxfob9CuoWG6j72s7l8FzcnMtb52KXHWj93/En22kLQyZ48bqBA9Cc/V5tSDQW0h+cAvYOvPQl1PVpB0YsWKL/7fxpgGiakuh3TQTeToLPJC44Wg+oxXoFrSX7MVr/u94tqnW9LU7KI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770828247; c=relaxed/simple; bh=5LtN9d3s+erlZIc5bvxk2tLbSYgvjChkf3HmrSn+GdM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=EkrL1JSPvProDZ/rMc6jA7rFKssztDCIwYk1W+WVZFNXjDgenQ4/XKbnroAr6YFdh73YLtMY8ncnw2p33ZUYkkP4NVP7iT6ruKVIJgw+OlE5upkI7S1oIQIuU6cKNkwaOAz+hxalKEmDF7YGZ25SzB9gAMJnsnAtjW1OLjR80+0= 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=209.85.161.69 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-f69.google.com with SMTP id 006d021491bc7-662ff11fff8so30740974eaf.3 for ; Wed, 11 Feb 2026 08:44:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770828243; x=1771433043; 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=PkcI7VuLfb23NVv22965AH/dq+DBA1lXNER+M9UwYII=; b=PeneZskDYczVJfvTRnruGJ/zGWdg8Wb9nx3O6CsNHUhdH4K3c/uAzSORxJUTnpEbY3 U3Wy+IcKBVf12XD0UPuwTypRooLWGWC9hmHZEChaipHfUY1eJgP+bBIrn2a8i7iqpxM9 4oSVCgSEpDILkcT7qU7aC9+IiSf8gW5vpwvvKO/Jg0pakcwUaDrFDlPBn2vPs0UYI3+i ryeeS8Cg95+kOKjoxOai/3lUSOCISJDU1z2s6eAh4xoXI4t1kZaw/pKrucCHXqfyPZ8k UX6LnndBwukgTV1NhC+crZjb04r4I8jNdoDPHh/JeNEoChRhSIQXdpLNyY4jwNoN/9Ep Kvcg== X-Gm-Message-State: AOJu0Yyek+Uozrb5F3Vk3SFiRAlpphYBNQqsTvkEj4tg0Ae4dvbwsiLh QwlB+uyk2SO+6IaFC1pCQCGNPtb3d/efXQFOln4ehv9AJiklmKU+kgAEUkGEbB148Fd4N5XTUGc CrrUIVRRDPUpX72QeBM5hoaK8SU2oV7YvDlX+eO/82ExnBGcVRZor7ASrQbo= Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4589:b0:66e:d87a:2323 with SMTP id 006d021491bc7-6747f37ec17mr918156eaf.11.1770828243240; Wed, 11 Feb 2026 08:44:03 -0800 (PST) Date: Wed, 11 Feb 2026 08:44:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <698cb1d3.a70a0220.2c38d7.0084.GAE@google.com> Subject: Re: [syzbot] [ext4?] kernel BUG in ext4_es_cache_extent (4) From: syzbot To: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, ojaswin@linux.ibm.com, 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+ccf1421545dbe5caa20c@syzkaller.appspotmail.com Tested-by: syzbot+ccf1421545dbe5caa20c@syzkaller.appspotmail.com Tested on: commit: 4f5e8e6f et4: allow zeroout when doing written to unwr.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev console output: https://syzkaller.appspot.com/x/log.txt?x=15aece5a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a535ad5429f72a2 dashboard link: https://syzkaller.appspot.com/bug?extid=ccf1421545dbe5caa20c compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=166e8e5a580000 Note: testing is done by a robot and is best-effort only.