From patchwork Fri Nov 6 10:54:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 322436 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 92592C55178 for ; Fri, 6 Nov 2020 10:40:49 +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 BDD3220702 for ; Fri, 6 Nov 2020 10:40:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDD3220702 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]:56880 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kazAl-0007PJ-5z for qemu-devel@archiver.kernel.org; Fri, 06 Nov 2020 05:40:47 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52158) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kaz9Z-0006od-VD for qemu-devel@nongnu.org; Fri, 06 Nov 2020 05:39:33 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2443) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kaz9X-0004ra-AD for qemu-devel@nongnu.org; Fri, 06 Nov 2020 05:39:33 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CSH1w3qgHzLtZx; Fri, 6 Nov 2020 18:39:16 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Fri, 6 Nov 2020 18:39:14 +0800 From: Chuan Zheng To: , , Subject: [PATCH v2] migration/multifd: close TLS channel before socket finalize Date: Fri, 6 Nov 2020 18:54:54 +0800 Message-ID: <1604660094-123959-1-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=45.249.212.191; envelope-from=zhengchuan@huawei.com; helo=szxga05-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/06 05:03:20 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_H2=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Since we now support tls multifd, when we cancel migration, the TLS sockets will be left as CLOSE-WAIT On Src which results in socket leak. Fix it by closing TLS channel before socket finalize. Signed-off-by: Chuan Zheng --- migration/multifd.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/migration/multifd.c b/migration/multifd.c index 68b171f..a6838dc 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -523,6 +523,19 @@ static void multifd_send_terminate_threads(Error *err) } } +static void multifd_tls_socket_close(QIOChannel *ioc, Error *err) +{ + if (ioc && + object_dynamic_cast(OBJECT(ioc), + TYPE_QIO_CHANNEL_TLS)) { + /* + * TLS channel is special, we need close it before + * socket finalize. + */ + qio_channel_close(ioc, &err); + } +} + void multifd_save_cleanup(void) { int i; @@ -542,6 +555,7 @@ void multifd_save_cleanup(void) MultiFDSendParams *p = &multifd_send_state->params[i]; Error *local_err = NULL; + multifd_tls_socket_close(p->c, NULL); socket_send_channel_destroy(p->c); p->c = NULL; qemu_mutex_destroy(&p->mutex);