From nobody Wed Feb 11 02:09:40 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1694264535550114.25498623140857; Sat, 9 Sep 2023 06:02:15 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qexaK-0006ik-F7; Sat, 09 Sep 2023 09:01:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qexa1-0006Tj-GW; Sat, 09 Sep 2023 09:00:53 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qexZy-0002Cd-SW; Sat, 09 Sep 2023 09:00:53 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 6052720597; Sat, 9 Sep 2023 16:01:15 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 3281226DFE; Sat, 9 Sep 2023 16:00:24 +0300 (MSK) Received: (nullmailer pid 353084 invoked by uid 1000); Sat, 09 Sep 2023 13:00:22 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Klaus Jensen , Jesper Wendel Devantier , Michael Tokarev Subject: [Stable-8.0.5 10/43] hw/nvme: fix null pointer access in directive receive Date: Sat, 9 Sep 2023 15:59:36 +0300 Message-Id: <20230909130020.352951-10-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1694264536600100001 Content-Type: text/plain; charset="utf-8" From: Klaus Jensen nvme_directive_receive() does not check if an endurance group has been configured (set) prior to testing if flexible data placement is enabled or not. Fix this. Cc: qemu-stable@nongnu.org Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1815 Fixes: 73064edfb864 ("hw/nvme: flexible data placement emulation") Reviewed-by: Jesper Wendel Devantier Signed-off-by: Klaus Jensen (cherry picked from commit 6c8f8456cb0b239812dee5211881426496da7b98) Signed-off-by: Michael Tokarev diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 353e9e71db..861635609b 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -6875,7 +6875,7 @@ static uint16_t nvme_directive_receive(NvmeCtrl *n, N= vmeRequest *req) case NVME_DIRECTIVE_IDENTIFY: switch (doper) { case NVME_DIRECTIVE_RETURN_PARAMS: - if (ns->endgrp->fdp.enabled) { + if (ns->endgrp && ns->endgrp->fdp.enabled) { id.supported |=3D 1 << NVME_DIRECTIVE_DATA_PLACEMENT; id.enabled |=3D 1 << NVME_DIRECTIVE_DATA_PLACEMENT; id.persistent |=3D 1 << NVME_DIRECTIVE_DATA_PLACEMENT; --=20 2.39.2