From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 57FE6C44503 for ; Thu, 9 Jul 2026 07:47:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=4sfPQozTglJO91ZYj/1163Y2lzjvibu5SdwcszkirX8=; b=xRK1GdSbPfoee6rNNw6f2SIPkA ai3Hks5TarwbIXOZkx5CMZPCZs8xntgBrISdHE6vpb16ZNrA+yok1obcLWTbHXYisWI4PAdxlR9km ApddrX04ZBJIja0KlCfFxqQOQA77m2hbe3Z5A0h6PyrFSkPLNauDbohyfZApKE3eJvceCBh6f0wuZ EPlcZ5/eUHaLtdtgHj/1pi4eLaJ8+bBHOGUQooifZLT//I7Hq3EIj5hYJ1gCGdqUi+yeHlDQPX355 ZNPVQxlOuy9PMZ8MwjBXIU9oc4wI12XY3tlDhK3siSwFVUnAwLi5DG2NkvcIb4MVol2k44URmzi7z 9nX4F4Gw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whjTy-00000001M3G-3L9C; Thu, 09 Jul 2026 07:47:42 +0000 Received: from mailgw.kylinos.cn ([124.126.103.232]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1whjTp-00000001M1U-1RVE for linux-nvme@lists.infradead.org; Thu, 09 Jul 2026 07:47:41 +0000 X-UUID: 6b1921867b6a11f1aa26b74ffac11d73-20260709 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:1d910395-0a2b-4cd4-abe4-7dac663e23a2,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:e7bac3a,CLOUDID:593bacc5886ed2a3f1b20265900b427b,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|136|865|898,TC:nil,Content:0|15|50,E DM:-3,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA :0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 6b1921867b6a11f1aa26b74ffac11d73-20260709 X-User: liuxixin@kylinos.cn Received: from [127.0.1.1] [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 539566491; Thu, 09 Jul 2026 15:47:21 +0800 From: Xixin Liu To: linux-nvme@lists.infradead.org Cc: hch@lst.de, sagi@grimberg.me, kch@nvidia.com, liuxixin@kylinos.cn Subject: [PATCH nvmet-v1 0/1] nvmet: zns: reject full zone report when buffer is too small Date: Thu, 9 Jul 2026 14:51:39 +0800 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailer: patches/scripts/send-local.py X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260709_004733_698489_5395558A X-CRM114-Status: UNSURE ( 4.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Hi, A Zone Management Receive partial report (PR bit set) may return fewer zone descriptors than zones matched. A full report (PR bit clear) must fit every matching descriptor in the data buffer. nvmet already caps Number of Zones on partial reports, but may return success on a full report when the buffer is too small. Reject those commands with INVALID_FIELD. Tested on nvmet-tcp loopback with io-passthru. Thanks, Xixin Liu --- Xixin Liu (1): nvmet: zns: reject full zone report when buffer is too small drivers/nvme/target/zns.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) -- 2.43.0