From patchwork Fri Nov 6 10:18:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 11886697 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 340521130 for ; Fri, 6 Nov 2020 10:04:18 +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 702522087E for ; Fri, 6 Nov 2020 10:04:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 702522087E 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]:59260 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kaybQ-0001ui-4L for patchwork-qemu-devel@patchwork.kernel.org; Fri, 06 Nov 2020 05:04:16 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43834) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kayah-0001TO-4O for qemu-devel@nongnu.org; Fri, 06 Nov 2020 05:03:31 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2508) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kayae-0008Fh-Et for qemu-devel@nongnu.org; Fri, 06 Nov 2020 05:03:30 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CSGDL5D8tzhhRP; Fri, 6 Nov 2020 18:03:14 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Fri, 6 Nov 2020 18:03:12 +0800 From: Chuan Zheng To: , , Subject: [PATCH] migration/multifd: close TLS channel before socket finalize Date: Fri, 6 Nov 2020 18:18:55 +0800 Message-ID: <1604657935-56394-1-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+patchwork-qemu-devel=patchwork.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..832e475 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);