From patchwork Fri Jul 3 06:34:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 1322123 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49yljt3yBFz9sR4 for ; Fri, 3 Jul 2020 16:41:38 +1000 (AEST) Received: from localhost ([::1]:45710 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jrFOC-00080y-9x for incoming@patchwork.ozlabs.org; Fri, 03 Jul 2020 02:41:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54730) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrFIE-00076s-G3; Fri, 03 Jul 2020 02:35:26 -0400 Received: from charlie.dont.surf ([128.199.63.193]:53094) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrFIB-00037N-G9; Fri, 03 Jul 2020 02:35:26 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 9D3E2BF80E; Fri, 3 Jul 2020 06:35:01 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v2 13/18] hw/block/nvme: make sure ncqr and nsqr is valid Date: Fri, 3 Jul 2020 08:34:15 +0200 Message-Id: <20200703063420.2241014-14-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200703063420.2241014-1-its@irrelevant.dk> References: <20200703063420.2241014-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/03 01:42:13 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Dmitry Fomichev , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen 0xffff is not an allowed value for NCQR and NSQR in Set Features on Number of Queues. Signed-off-by: Klaus Jensen Acked-by: Keith Busch Reviewed-by: Maxim Levitsky Reviewed-by: Dmitry Fomichev --- hw/block/nvme.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 9cff0f45dd7e..8230e0e3826b 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1256,6 +1256,14 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) blk_set_enable_write_cache(n->conf.blk, dw11 & 1); break; case NVME_NUMBER_OF_QUEUES: + /* + * NVMe v1.3, Section 5.21.1.7: 0xffff is not an allowed value for NCQR + * and NSQR. + */ + if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { + return NVME_INVALID_FIELD | NVME_DNR; + } + trace_pci_nvme_setfeat_numq((dw11 & 0xFFFF) + 1, ((dw11 >> 16) & 0xFFFF) + 1, n->params.max_ioqpairs,