From patchwork Thu Nov 26 06:57:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Chen X-Patchwork-Id: 11932751 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 E8481C56202 for ; Thu, 26 Nov 2020 07:10:57 +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 6246F20578 for ; Thu, 26 Nov 2020 07:10:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6246F20578 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51558 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kiBQe-0001wb-4r for qemu-devel@archiver.kernel.org; Thu, 26 Nov 2020 02:10:56 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42768) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kiBPO-0001Lf-7Q; Thu, 26 Nov 2020 02:09:38 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2803) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kiBPL-0008OI-2p; Thu, 26 Nov 2020 02:09:37 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4ChTQ06PM2zkfhj; Thu, 26 Nov 2020 15:08:56 +0800 (CST) Received: from huawei.com (10.175.124.27) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Thu, 26 Nov 2020 15:09:15 +0800 From: Alex Chen To: Subject: [PATCH] vnc: Fix a memleak in vnc_display_connect() Date: Thu, 26 Nov 2020 06:57:02 +0000 Message-ID: <20201126065702.35095-1-alex.chen@huawei.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=alex.chen@huawei.com; helo=szxga04-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.chen@huawei.com, qemu-trivial@nongnu.org, qemu-devel@nongnu.org, zhang.zhanghailiang@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Free the 'sioc' when the qio_channel_socket_connect_sync() fails. Reported-by: Euler Robot Signed-off-by: Alex Chen Reviewed-by: Li Qiang Reviewed-by: Laurent Vivier --- ui/vnc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/ui/vnc.c b/ui/vnc.c index 49235056f7..dae56e9493 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -3743,6 +3743,7 @@ static int vnc_display_connect(VncDisplay *vd, sioc = qio_channel_socket_new(); qio_channel_set_name(QIO_CHANNEL(sioc), "vnc-reverse"); if (qio_channel_socket_connect_sync(sioc, saddr[0], errp) < 0) { + object_unref(OBJECT(sioc)); return -1; } vnc_connect(vd, sioc, false, false);