From nobody Thu Nov 6 19:14:07 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488254446888169.55946674175289; Mon, 27 Feb 2017 20:00:46 -0800 (PST) Received: from localhost ([::1]:58403 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciYxw-0001HB-Ba for importer@patchew.org; Mon, 27 Feb 2017 23:00:44 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43501) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciYsI-0005ew-C5 for qemu-devel@nongnu.org; Mon, 27 Feb 2017 22:54:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciYsF-0004Cr-Bo for qemu-devel@nongnu.org; Mon, 27 Feb 2017 22:54:54 -0500 Received: from [45.249.212.188] (port=2945 helo=dggrg02-dlp.huawei.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1ciYsF-0004B7-0l for qemu-devel@nongnu.org; Mon, 27 Feb 2017 22:54:51 -0500 Received: from 172.30.72.54 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.54]) by dggrg02-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AJC73630; Tue, 28 Feb 2017 11:54:42 +0800 (CST) Received: from localhost (10.177.24.212) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Tue, 28 Feb 2017 11:54:30 +0800 From: zhanghailiang To: , Date: Tue, 28 Feb 2017 11:54:18 +0800 Message-ID: <1488254059-22716-2-git-send-email-zhang.zhanghailiang@huawei.com> X-Mailer: git-send-email 2.7.2.windows.1 In-Reply-To: <1488254059-22716-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1488254059-22716-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.24.212] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.58B4F484.0241, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 519465b7261bb021c6672d0ab62fad4c X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.188 Subject: [Qemu-devel] [PATCH v3 1/2] net/colo: fix memory double free error X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, zhanghailiang Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The 'primary_list' and 'secondary_list' members of struct Connection is not allocated through dynamically g_queue_new(), but we free it by using g_queue_free(), which will lead to a double-free bug. Reviewed-by: Zhang Chen Signed-off-by: zhanghailiang --- net/colo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/colo.c b/net/colo.c index 6a6eacd..8cc166b 100644 --- a/net/colo.c +++ b/net/colo.c @@ -147,9 +147,9 @@ void connection_destroy(void *opaque) Connection *conn =3D opaque; =20 g_queue_foreach(&conn->primary_list, packet_destroy, NULL); - g_queue_free(&conn->primary_list); + g_queue_clear(&conn->primary_list); g_queue_foreach(&conn->secondary_list, packet_destroy, NULL); - g_queue_free(&conn->secondary_list); + g_queue_clear(&conn->secondary_list); g_slice_free(Connection, conn); } =20 --=20 1.8.3.1