From patchwork Fri Mar 27 04:56:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Nengyuan X-Patchwork-Id: 11461621 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 92FB4913 for ; Fri, 27 Mar 2020 04:41:49 +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 080182073B for ; Fri, 27 Mar 2020 04:41:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 080182073B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:36964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jHgoV-0002aJ-Su for patchwork-qemu-devel@patchwork.kernel.org; Fri, 27 Mar 2020 00:41:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38828) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jHgnp-0001hB-4S for qemu-devel@nongnu.org; Fri, 27 Mar 2020 00:41:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jHgno-0003DV-Ab for qemu-devel@nongnu.org; Fri, 27 Mar 2020 00:41:05 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:43144 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jHgnn-00033m-WB for qemu-devel@nongnu.org; Fri, 27 Mar 2020 00:41:04 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 40AD66BAB3F4A34FB213; Fri, 27 Mar 2020 12:40:58 +0800 (CST) Received: from localhost.huawei.com (10.175.104.216) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Fri, 27 Mar 2020 12:40:47 +0800 From: Pan Nengyuan To: Subject: [PATCH v2 0/2] fix two virtio queues memleak Date: Fri, 27 Mar 2020 12:56:18 +0800 Message-ID: <20200327045620.9082-1-pannengyuan@huawei.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 X-Originating-IP: [10.175.104.216] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.32 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: euler.robot@huawei.com, Pan Nengyuan , zhang.zhanghailiang@huawei.com, mst@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" This series fix two vqs leak: 1. Do delete vqs on the error path in virtio_blk_device_realize(). 2. Do delete vqs in virtio_iommu_device_unrealize() to fix another leaks. v2->v1: - Fix incorrect free in v1, it will cause a uaf. Pan Nengyuan (2): virtio-blk: delete vqs on the error path in realize() virtio-iommu: delete vqs in unrealize to fix memleak hw/block/virtio-blk.c | 3 +++ hw/virtio/virtio-iommu.c | 2 ++ 2 files changed, 5 insertions(+)