From patchwork Fri Jul 3 06:34:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 278725 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 720B1C433E0 for ; Fri, 3 Jul 2020 06:48:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4537420702 for ; Fri, 3 Jul 2020 06:48:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4537420702 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jrFVD-0001mj-JI for qemu-devel@archiver.kernel.org; Fri, 03 Jul 2020 02:48:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54766) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrFIJ-0007Ap-4X; Fri, 03 Jul 2020 02:35:31 -0400 Received: from charlie.dont.surf ([128.199.63.193]:53114) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrFIC-00037k-Mz; Fri, 03 Jul 2020 02:35:30 -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 95166BF818; Fri, 3 Jul 2020 06:35:02 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v2 15/18] hw/block/nvme: reject invalid nsid values in active namespace id list Date: Fri, 3 Jul 2020 08:34:17 +0200 Message-Id: <20200703063420.2241014-16-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?= =?utf-8?b?w6k=?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Reject the nsid broadcast value (0xffffffff) and 0xfffffffe in the Active Namespace ID list. Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 65c2fa3ac1f4..0dac7a41ddae 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -956,6 +956,10 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c) trace_pci_nvme_identify_nslist(min_nsid); + if (min_nsid == 0xfffffffe || min_nsid == NVME_NSID_BROADCAST) { + return NVME_INVALID_NSID | NVME_DNR; + } + list = g_malloc0(data_len); for (i = 0; i < n->num_namespaces; i++) { if (i < min_nsid) {