From patchwork Mon Sep 11 20:20:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13379643 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCD63EEB590 for ; Mon, 11 Sep 2023 20:48:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234948AbjIKUsc (ORCPT ); Mon, 11 Sep 2023 16:48:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244415AbjIKU1c (ORCPT ); Mon, 11 Sep 2023 16:27:32 -0400 Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7997D185; Mon, 11 Sep 2023 13:27:25 -0700 (PDT) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 01FFC120005; Mon, 11 Sep 2023 23:27:23 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 01FFC120005 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1694464043; bh=E6lRwWxDB6n6iWcpwSQ5SZ9BXLMm6fiZ7OdFUFCDV0I=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=LHC+vk/S3sdCfW6Y5zwMLtXxas4IrVwId40GYmfXbSewb6Ge2BKdxTd6FBFHNj0yW Xth4hQJdc2I85fio/fdRZwLmD/y4vPwgGd3pAiGnWJgazoq1JHUq2ESPQyANiklnFX 2DVX3TNNvbV4xli6BxFUeFDP06UPpCm74EMz/YZIl0iFt+lPBGrVTnJ8s3VrohOa/7 AR6CTKP8DgJBuRnMqBM1/KBmIp7rT+c+QmUFmF2RgqbUf/KsDskXIylvnO2EpW1Jex nh2DT/epuyt8O8Og4lM97XlS90eVUO8Z8unva38dUNstyR91kf9PvWsOfeJNxjhlml uqVNV/2InGKAA== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Mon, 11 Sep 2023 23:27:22 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 11 Sep 2023 23:27:22 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [PATCH net-next v2 1/2] vsock: send SIGPIPE on write to shutdowned socket Date: Mon, 11 Sep 2023 23:20:26 +0300 Message-ID: <20230911202027.1928574-2-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230911202027.1928574-1-avkrasnov@salutedevices.com> References: <20230911202027.1928574-1-avkrasnov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 179790 [Sep 11 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 530 530 ecb1547b3f72d1df4c71c0b60e67ba6b4aea5432, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;salutedevices.com:7.1.1;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/09/11 15:53:00 #21884588 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org POSIX requires to send SIGPIPE on write to SOCK_STREAM socket which was shutdowned with SHUT_WR flag or its peer was shutdowned with SHUT_RD flag. Also we must not send SIGPIPE if MSG_NOSIGNAL flag is set. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- net/vmw_vsock/af_vsock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 020cf17ab7e4..013b65241b65 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1921,6 +1921,9 @@ static int vsock_connectible_sendmsg(struct socket *sock, struct msghdr *msg, err = total_written; } out: + if (sk->sk_type == SOCK_STREAM) + err = sk_stream_error(sk, msg->msg_flags, err); + release_sock(sk); return err; } From patchwork Mon Sep 11 20:20:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13379794 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 260CBCA0EC0 for ; Mon, 11 Sep 2023 21:06:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231253AbjIKUrO (ORCPT ); Mon, 11 Sep 2023 16:47:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244416AbjIKU1c (ORCPT ); Mon, 11 Sep 2023 16:27:32 -0400 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F4211A7; Mon, 11 Sep 2023 13:27:25 -0700 (PDT) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 347F6100015; Mon, 11 Sep 2023 23:27:23 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 347F6100015 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1694464043; bh=rqasP/v92NSYLxxo86wWQ86EzlGraPrIdOaNbxND9VE=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=tXvLiHycWrvWPPRRV0kAGA0UTJsmnxTlLLV75If8EflTDipYvEJlsXQaSd9YNVID2 dvhmjNPb1zJukD2nJbX2l4sD64oqc0AjSBX1YlE68hSDix6qNXxzVjoQHeAoqOFikt uq2kvdnMUUmP7uIRSBsC2KoCktR4JikVYGuT6p9UPhWQa/XqMybAhWUOs30ukrqxFQ Mj77Dm4NViJOjNsINCPsLQEyNKUGPxFbp+e+HrHIICWcO7LFjWZz3en0p8x+5BhLb8 3EBM2oLfTV1E+psxNkgfPAuf2mNQfwaaNLYz+Rs51Vk3phHuqL/ZLBUWvfTj/7IjTr 0qNY7kphcMWLg== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Mon, 11 Sep 2023 23:27:23 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 11 Sep 2023 23:27:22 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [PATCH net-next v2 2/2] test/vsock: shutdowned socket test Date: Mon, 11 Sep 2023 23:20:27 +0300 Message-ID: <20230911202027.1928574-3-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230911202027.1928574-1-avkrasnov@salutedevices.com> References: <20230911202027.1928574-1-avkrasnov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 179791 [Sep 11 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 530 530 ecb1547b3f72d1df4c71c0b60e67ba6b4aea5432, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.com:7.1.1;127.0.0.199:7.1.2;100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:5.0.1,7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/09/11 15:53:00 #21884588 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This adds two tests for 'shutdown()' call. It checks that SIGPIPE is sent when MSG_NOSIGNAL is not set and vice versa. Both flags SHUT_WR and SHUT_RD are tested. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- tools/testing/vsock/vsock_test.c | 138 +++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 90718c2fd4ea..148fc9c47c50 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "timeout.h" #include "control.h" @@ -1170,6 +1171,133 @@ static void test_seqpacket_msg_peek_server(const struct test_opts *opts) return test_msg_peek_server(opts, true); } +static sig_atomic_t have_sigpipe; + +static void sigpipe(int signo) +{ + have_sigpipe = 1; +} + +static void test_stream_check_sigpipe(int fd) +{ + ssize_t res; + + have_sigpipe = 0; + + res = send(fd, "A", 1, 0); + if (res != -1) { + fprintf(stderr, "expected send(2) failure, got %zi\n", res); + exit(EXIT_FAILURE); + } + + if (!have_sigpipe) { + fprintf(stderr, "SIGPIPE expected\n"); + exit(EXIT_FAILURE); + } + + have_sigpipe = 0; + + res = send(fd, "A", 1, MSG_NOSIGNAL); + if (res != -1) { + fprintf(stderr, "expected send(2) failure, got %zi\n", res); + exit(EXIT_FAILURE); + } + + if (have_sigpipe) { + fprintf(stderr, "SIGPIPE not expected\n"); + exit(EXIT_FAILURE); + } +} + +static void test_stream_shutwr_client(const struct test_opts *opts) +{ + int fd; + + struct sigaction act = { + .sa_handler = sigpipe, + }; + + sigaction(SIGPIPE, &act, NULL); + + fd = vsock_stream_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + if (shutdown(fd, SHUT_WR)) { + perror("shutdown"); + exit(EXIT_FAILURE); + } + + test_stream_check_sigpipe(fd); + + control_writeln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutwr_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + control_expectln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutrd_client(const struct test_opts *opts) +{ + int fd; + + struct sigaction act = { + .sa_handler = sigpipe, + }; + + sigaction(SIGPIPE, &act, NULL); + + fd = vsock_stream_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + control_expectln("SHUTRDDONE"); + + test_stream_check_sigpipe(fd); + + control_writeln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutrd_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + if (shutdown(fd, SHUT_RD)) { + perror("shutdown"); + exit(EXIT_FAILURE); + } + + control_writeln("SHUTRDDONE"); + control_expectln("CLIENTDONE"); + + close(fd); +} + static struct test_case test_cases[] = { { .name = "SOCK_STREAM connection reset", @@ -1250,6 +1378,16 @@ static struct test_case test_cases[] = { .run_client = test_seqpacket_msg_peek_client, .run_server = test_seqpacket_msg_peek_server, }, + { + .name = "SOCK_STREAM SHUT_WR", + .run_client = test_stream_shutwr_client, + .run_server = test_stream_shutwr_server, + }, + { + .name = "SOCK_STREAM SHUT_RD", + .run_client = test_stream_shutrd_client, + .run_server = test_stream_shutrd_server, + }, {}, };