From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 6DA7B25DAEA for ; Wed, 11 Feb 2026 16:44:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770828245; cv=none; b=BPjrFa9IxWRVBMRdLhZ6DpCkVRfBsgPnzTg0COh7gyjQejDkdqJWKtQgOBfDmjtN8MJLaVc1WLSp1wuTu0UAjronRqOQsDV/z58uB3ftne/vRfAJYWXMszG8ojK6fHnTt2zpXVDAuLNY8FxSaJJGogZxKZOevb7jzuxCneD401I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770828245; c=relaxed/simple; bh=5LtN9d3s+erlZIc5bvxk2tLbSYgvjChkf3HmrSn+GdM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MNgOoZCyj2FHPynevFzYYV1cOl3xw5U6Ge03VkmrbFa/Vu25yh/cRHFo5BcK1BXfgDqHGNKC3JeUafzPQ+0vJRRv/j2xHgRlOMgGsYwzB+fS0HJqK7otMVBKH7VagQbog9IlIKfqeNKk+fGmz2B9hS8cauSoROLTplUtoI5f21w= 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=209.85.161.71 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-f71.google.com with SMTP id 006d021491bc7-66308f16ea0so30099821eaf.0 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=hYZvX30oc0WA5r92dRhhq+0GHSQ9W4Oouu3E7infFux4Hr8jkMoUhIDwQ+V2EHEtsY PCxW04AK0zuDsyM+N9pHrsNP1K29sFBIufSWimQpkHoQfg6lBQXmiI2zcC8YOMzqg0EH ZQvVLDJrznpV+k3sJDEByKujI74CJftDXYY0nUr4Ee6jrAVLYOYFE1KZOqkSQZioyukF cKsViawSKMS900R14bUnCfrxnMgXFQVwm0fk8BvPjbjzeUs8+p3Mq/w1m0z+Y8I9JAE+ sLDdAP98ywAffa3CAoT4GBMD3J6iBvHrHGiu9WAv0O/I/28uSbe6iZvrci/w9p63azFG n8sg== X-Forwarded-Encrypted: i=1; AJvYcCXf52wgz++qgfGNrAJvwoSYQc28rVtu7oexRS9akB3dgnSuy4Ui92oIURZ8SIzp8IS0yEuDIdP+3qGehJg=@vger.kernel.org X-Gm-Message-State: AOJu0YyR3Wkj9P07DHYGfm3TncMVaWfaMSi4LhVJutozGzjzvU2CtKEe bs32kgZviIa6WYUVvjEvZmPhXYn4UW26FS1hAGp/5J9ty5LF13K1mZvIve7vonGfLqJek+TzKcd SL4d3Pag4RLN5fQBny0GwOLPjawN2FEodyNAPBcICVnWUgoldDLcOplNa88k= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4589: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.