From patchwork Wed Nov 11 07:14:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 11896499 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 D7D6A697 for ; Wed, 11 Nov 2020 06:59:43 +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 7715F2067D for ; Wed, 11 Nov 2020 06:59:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7715F2067D 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]:50144 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kck6Y-00038n-9g for patchwork-qemu-devel@patchwork.kernel.org; Wed, 11 Nov 2020 01:59:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41054) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kck5s-0002gz-Jo for qemu-devel@nongnu.org; Wed, 11 Nov 2020 01:59:00 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:2140) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kck5q-00074U-Og for qemu-devel@nongnu.org; Wed, 11 Nov 2020 01:59:00 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CWFvB6TGYz75VB; Wed, 11 Nov 2020 14:58:46 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Wed, 11 Nov 2020 14:58:45 +0800 From: Chuan Zheng To: , , Subject: [RESEND][PATCH] multifd/tls: fix memoryleak of the QIOChannelSocket object when canceling migration Date: Wed, 11 Nov 2020 15:14:18 +0800 Message-ID: <1605078858-114607-1-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.35; envelope-from=zhengchuan@huawei.com; helo=szxga07-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/11 01:53:36 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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: yubihong@huawei.com, zhang.zhanghailiang@huawei.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, wanghao232@huawei.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" When creating new tls client, the tioc->master will be referenced, we need dereferenced it after tls handshake. Signed-off-by: Chuan Zheng --- migration/multifd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/migration/multifd.c b/migration/multifd.c index 68b171f..df76a8e 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -728,7 +728,8 @@ static void multifd_tls_outgoing_handshake(QIOTask *task, gpointer opaque) { MultiFDSendParams *p = opaque; - QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task)); + QIOChannelTLS *tioc = QIO_CHANNEL_TLS(qio_task_get_source(task)); + QIOChannel *ioc = QIO_CHANNEL(tioc); Error *err = NULL; if (qio_task_propagate_error(task, &err)) { @@ -737,6 +738,7 @@ static void multifd_tls_outgoing_handshake(QIOTask *task, trace_multifd_tls_outgoing_handshake_complete(ioc); } multifd_channel_connect(p, ioc, err); + object_unref(OBJECT(tioc->master)); } static void multifd_tls_channel_connect(MultiFDSendParams *p,