From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 7B73F366820 for ; Wed, 11 Feb 2026 10:03:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770804184; cv=none; b=TH+DioXo1jKpngih9AeMXAtkzpH6/dFdqOZkWL2HH7iRHxzrSG8G9Qcf+3QSln1C+L+ynluL1pnVJJF70EP5FADlpfTTJ8NKLsI4opfjKvKE3+qmKfqpJX48U8QAjDpyc9iw3wC8F6M4zL74wLswp7yVdf8b7011Cp+bH8wPCeI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770804184; c=relaxed/simple; bh=ZMrG51+mQkHm1Kq5wEi+CO9I460GVEQNML+q6XKrnpc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ElnhDVyYilVrBSWR4QwJDkfe80dRvg3Ey9dMkqpVfsYs/Mbm9fpDDnW7WhClGNL3bbGq/ku1+XFJA6zC16YKCOaU9gBFKvO99anDONkDlgfYAWyvJd4Ys6as8XHlm5xKWZCz5zAEQmDOAUoZYmlsfSV3TbG7MXvrsy30WFd2cdw= 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=209.85.161.72 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-oo1-f72.google.com with SMTP id 006d021491bc7-66b612efb4aso2589303eaf.0 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=kQBBgu/C4A8Mx32zoy5B0fl+QiJUVofJ7Y6/lTx0/P6KIAZH4OTPr4ihfnaSUAHrUB WOltIx/lmTzjIAPH8txwmU4Pcxq6eADQXclqqKhoa3YzAe24y0t4Gl+vdvs3EmOjaM3T Ms7TaeGuQpvOX8BSw5Lf62MDqsNwjOhWMxYoi5mWUsyquCdEyIPIZIVSxgZuCtfV8Exq NU6AR7CoxA+R3WxTSnuI5GDUCSliHLkJYpjjhjhlzK3Mg8kSiFcoeqa1j7q6DZabWS9g Nt3C9VwE0YvHSmwaBVBMu8Y65D61nBsDwJ/ByGaggrVUOxuAAVdOMTqFGPcaBWb3DWwR VfNg== X-Forwarded-Encrypted: i=1; AJvYcCX9xpxNCgG+ONHZf3Szz1mrOh9TAV2gv5jU3iwL54oJlDfbVizAbIZjeJVKdyrwCqGd/FUgegGBI0maObY=@vger.kernel.org X-Gm-Message-State: AOJu0YxSyZBeGzS2Lwc8JLHXnpTwa13jvW9drckR5H/NgwScFVi3uiGJ N/xXYd+x91SAPGnGA0kolpGhA6FitCDrsvZ7uV0zye10sAlFnc0knJLdCNzRkMo3bUKYzELlIpF xoYZOTYwZiD6Wzxx1gcpBouNfxi6RgR1JmH6Wzjjp2zgz8uXEZPDGN56lgKA= Precedence: bulk X-Mailing-List: linux-kernel@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.