From patchwork Sun Nov 6 19:50:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13033551 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 36B62C4332F for ; Sun, 6 Nov 2022 19:51:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230289AbiKFTvA (ORCPT ); Sun, 6 Nov 2022 14:51:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230280AbiKFTuy (ORCPT ); Sun, 6 Nov 2022 14:50:54 -0500 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D544D10FDE; Sun, 6 Nov 2022 11:50:52 -0800 (PST) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 425565FD03; Sun, 6 Nov 2022 22:50:51 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1667764251; bh=JLlpkwTSfIBGrLuXfogAgrdiNEl7/2KG3a3rEAt/O1g=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=dG9nmPY0hrwjfsuUxP/e2rXABuYHuQSKZhpi51SK88W3Z6wSNvdo6FoqaxIwXjaHv 6JMjYPa36C1miwBwJZxIx6JXxh9tPlb0HHkN0DwGYMcy8wDICso8J/4a60hMxRPvBH xRUJGZaVo6CB6PMPs8OVrRZ0dhjdpjI64az3dZkveXHu3oTSdGq8qOa2IAjibI0xF+ Ak47x4AQhYfGN6cCKFefqOCZabzgwDLXQJEp14Wyvtf6V4wiShRKVdI7LS23AhXiGK YVY01bGUWfqH0B7VDM1SBKP8WfukPcHIcrBqZ14PduiaPwCLasuHvujfjqNCqSw6yV wZoeWmVHS+HKw== Received: from S-MS-EXCH02.sberdevices.ru (S-MS-EXCH02.sberdevices.ru [172.16.1.5]) by mx.sberdevices.ru (Postfix) with ESMTP; Sun, 6 Nov 2022 22:50:51 +0300 (MSK) From: Arseniy Krasnov To: Stefano Garzarella , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , "edumazet@google.com" , Jakub Kicinski , Paolo Abeni , Krasnov Arseniy CC: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "netdev@vger.kernel.org" , kernel Subject: [RFC PATCH v3 09/11] test/vsock: add big message test Thread-Topic: [RFC PATCH v3 09/11] test/vsock: add big message test Thread-Index: AQHY8hkAptW4O6wxGUmfu9tKRKX0oQ== Date: Sun, 6 Nov 2022 19:50:19 +0000 Message-ID: <4d2cac96-d829-fcf6-e042-2ed65493c602@sberdevices.ru> In-Reply-To: Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-ID: MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2022/11/06 18:31:00 #20575158 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-State: RFC This adds test for sending message, bigger than peer's buffer size. For SOCK_SEQPACKET socket it must fail, as this type of socket has message size limit. Signed-off-by: Arseniy Krasnov --- tools/testing/vsock/vsock_test.c | 62 ++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 107c11165887..bb4e8657f1d6 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -560,6 +560,63 @@ static void test_seqpacket_timeout_server(const struct test_opts *opts) close(fd); } +static void test_seqpacket_bigmsg_client(const struct test_opts *opts) +{ + unsigned long sock_buf_size; + ssize_t send_size; + socklen_t len; + void *data; + int fd; + + len = sizeof(sock_buf_size); + + fd = vsock_seqpacket_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + if (getsockopt(fd, AF_VSOCK, SO_VM_SOCKETS_BUFFER_SIZE, + &sock_buf_size, &len)) { + perror("getsockopt"); + exit(EXIT_FAILURE); + } + + sock_buf_size++; + + data = malloc(sock_buf_size); + if (!data) { + perror("malloc"); + exit(EXIT_FAILURE); + } + + send_size = send(fd, data, sock_buf_size, 0); + if (send_size != -1) { + fprintf(stderr, "expected 'send(2)' failure, got %zi\n", + send_size); + } + + control_writeln("CLISENT"); + + free(data); + close(fd); +} + +static void test_seqpacket_bigmsg_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + control_expectln("CLISENT"); + + close(fd); +} + #define BUF_PATTERN_1 'a' #define BUF_PATTERN_2 'b' @@ -832,6 +889,11 @@ static struct test_case test_cases[] = { .run_client = test_seqpacket_timeout_client, .run_server = test_seqpacket_timeout_server, }, + { + .name = "SOCK_SEQPACKET big message", + .run_client = test_seqpacket_bigmsg_client, + .run_server = test_seqpacket_bigmsg_server, + }, { .name = "SOCK_SEQPACKET invalid receive buffer", .run_client = test_seqpacket_invalid_rec_buffer_client,