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dmarc=fail (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6A6IdlXl3508106 for ; Fri, 6 Nov 2026 10:43:25 -0800 Received: from maileast.thefacebook.com ([163.114.135.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 4hs3r36bbn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 06 Nov 2026 10:43:25 -0800 (PST) Received: from twshared98006.17.frc2.facebook.com (2620:10d:c0a8:1b::8e35) by mail.thefacebook.com (2620:10d:c0a9:6f::8fd4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.56; Fri, 6 Nov 2026 18:43:24 +0000 Received: from devbig197.nha3.facebook.com (localhost [IPv6:::1]) by devbig197.nha3.facebook.com (Postfix) with ESMTP id CD7B42E8EFD4D; Fri, 6 Nov 2026 10:43:07 -0800 (PST) From: Keith Busch To: , , , , CC: , In-Reply-To: <20261106230013815Squ68I1R3ds7pODmhHTwr@zte.com.cn> References: <20261106230013815Squ68I1R3ds7pODmhHTwr@zte.com.cn> Subject: Re: [PATCH v2 0/2] nvmet: fix stale log page data and a ZNS Identify error Message-ID: <179399058783.513959.1663411821731805278.b4-ty@kernel.org> Date: Fri, 6 Nov 2026 10:43:07 -0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; 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Patch 1 now follows Christoph's > suggestion to zero the whole transfer buffer instead of only the unused > tail, and both commit messages are shorter. > > Patch 1 zeroes the entire Get Log Page transfer buffer before filling > it, so a host that requests more bytes than the fixed structure no > longer receives stale kernel memory. The Error log also clamps its > ring walk to the requested length instead of relying on a zeroed tail. > Patch 2 returns the namespace lookup error for a ZNS Identify on a > missing namespace instead of overwriting it with a successful copy. > > [...] Thanks, applied to nvme-7.4. [1/2] nvmet: zero the entire Get Log Page transfer buffer commit: ad606ae5635b68e324005aaa06421be752619dab [2/2] nvmet: zns: return the namespace lookup error for Identify commit: 687f3014afcd5826fa3d8f40b445f647b5a379b6 -- Keith Busch