From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) (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 7DFF0366821 for ; Wed, 11 Feb 2026 10:03:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770804185; cv=none; b=oMzePivRpPeIrqpZ/Yd193MP4khjPXFjn6er/W/8GYTfll0s4fTk0sW+NTpGslygpJxDhDNTpYbsD7aJyL705L2dxHyVaaDos8sHFrJoOyMjyVDFu4A0hD4wzuR2wIOv85SsNoWL2vgzaQSka7bbBLM/KQX9gwMVz1dLK1O56P0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770804185; c=relaxed/simple; bh=ZMrG51+mQkHm1Kq5wEi+CO9I460GVEQNML+q6XKrnpc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=H02NqQcyyHb/6mmJujI/UdE/EEgu8+Xvve0uRUB0NCPcrNApOvHU4nhqCT0ASUPcJrW1Zea3zlOk/cQKahD0SOI4DGrTQFZ8Ub92MfGRWIiiaHncZudj7qB7qjc3Xn/TbauB+YsBzhBgxo3bWqRY2HkaLd/19T/DZUJwjtAjSRM= 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=209.85.160.70 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-oa1-f70.google.com with SMTP id 586e51a60fabf-4097bb790e5so3792872fac.1 for ; Wed, 11 Feb 2026 02:03:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770804182; x=1771408982; 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=3okMtziSuPBmLgCGeJXkzA55zTmCiq1DIP/2hspFEYc=; b=fihPCG7r+De+GKe/Y+craHx3s+hgHT2tsues/EDQq238DZerh88dJbTs670SzZ4Eqj JIHqNQUboqjsuw6YE2XRanVdgGWpbxvuUD/42ywIcbvpUSIloQI+antr2Xy6qPiRw6a2 y3d/Kl0A2lRBRqoQMIR/yqAbdQE6rg5GZEKbVB6fvbGeAXRqB94ksx8cv1DuWpUeXrOY 0djNUPs4zn1U359qE1nykex/NFutQdn6ugmiNjxfig4wnekcIWsSVPi2S8E1gBM3+/w3 A/5NQVV6iWY4IhKrILuwznxm25PdOLOjyFiTMq30VAHFjYgBVhuQ9avtFkVGG96F8bGr u9uw== X-Forwarded-Encrypted: i=1; AJvYcCXC308ob//LApexw2JGgP3gh4asYsVArqungHKtUW1uOCh91csIQA1iEkeSPBfSGlS6dYFbtYttCn9i@vger.kernel.org X-Gm-Message-State: AOJu0YyuOKL5serk5seLEJxTdMDji+7SJD4pLHz9CsuOvE1/GdFR+BtD gdx7NAoxvsCI8pipS3uoc1520hqs5G2c9VqMxrSRTHW9OTmsWwnvYQ4d4UZvm2xnC/YIW+JdaEJ /5rdHPGArLPBpdLYShlr0Z6m3hOauMEIsagzTG4nWrN1QctBMKK+My4jPD6A= Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:e918:0:b0:66b:71c9:9be4 with SMTP id 006d021491bc7-672e5cdb931mr2539255eaf.25.1770804182487; Wed, 11 Feb 2026 02:03:02 -0800 (PST) Date: Wed, 11 Feb 2026 02:03:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <698c53d6.050a0220.340abe.000c.GAE@google.com> Subject: Re: [syzbot] [ext4?] kernel BUG in ext4_es_cache_extent (4) From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, ojaswin@linux.ibm.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu 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=17815b22580000 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=120cccaa580000 Note: testing is done by a robot and is best-effort only.