From patchwork Thu Oct 10 10:25:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gur Stavi X-Patchwork-Id: 13829898 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89DB229AF; Thu, 10 Oct 2024 10:26:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728556017; cv=none; b=AiFG8q/0/U/LAsCLrNFDoq0PXazIsawTuHqs5NI73UZIvJ2mJG5izaji7WwJTnQYBHpxDYbVzyjgX4B5Izp8HpyV/pMN+zO2yC/d3gYislf3HphByKXIqu9p9kAfK7yc7Uq1qunabpkE+rSTPFpF0JBAaYiWAB/qgOjOAjpnp7w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728556017; c=relaxed/simple; bh=CFzNbzW1eEnEF6SnRyQ57jkQR8QwGYNI0Fag43gdHio=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ZwEKNF+x87CV5lI6WQWW7Ri2XuIDV5wAI69x9weU806OuhQR4M1eoz2TBLhq+zIu6iWmAaQyMM0jNvsUdHT+aniUKea59+MpQ8PAIBrByYlcj/4//bGaQdkxVL8ckdPh9E16bEOtoeoLrivWQZOEGBzkRUjnOkj7L01S0E7AEfM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4XPQmp0YYfz6L75q; Thu, 10 Oct 2024 18:22:34 +0800 (CST) Received: from frapeml500005.china.huawei.com (unknown [7.182.85.13]) by mail.maildlp.com (Postfix) with ESMTPS id AF0D01400DD; Thu, 10 Oct 2024 18:26:54 +0800 (CST) Received: from china (10.200.201.82) by frapeml500005.china.huawei.com (7.182.85.13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Thu, 10 Oct 2024 12:26:49 +0200 From: Gur Stavi To: Gur Stavi CC: , , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Willem de Bruijn , Subject: [PATCH net-next v03 3/3] selftests: net/psock_fanout: unbound socket fanout Date: Thu, 10 Oct 2024 13:25:14 +0300 Message-ID: <1ad413755ce7b113d70063adfee9caf7cafcc7b9.1728555449.git.gur.stavi@huawei.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To frapeml500005.china.huawei.com (7.182.85.13) Add a test that validates that an unbound packet socket cannot create/join a fanout group. Signed-off-by: Gur Stavi --- tools/testing/selftests/net/psock_fanout.c | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/testing/selftests/net/psock_fanout.c b/tools/testing/selftests/net/psock_fanout.c index acdfae8f8a9a..84c524357075 100644 --- a/tools/testing/selftests/net/psock_fanout.c +++ b/tools/testing/selftests/net/psock_fanout.c @@ -279,6 +279,41 @@ static int sock_fanout_read(int fds[], char *rings[], const int expect[]) return 0; } +/* Test that creating/joining a fanout group fails for unbound socket without + * a specified protocol + */ +static void test_unbound_fanout(void) +{ + int val, fd0, fd1, err; + + fprintf(stderr, "test: unbound fanout\n"); + fd0 = socket(PF_PACKET, SOCK_RAW, 0); + if (fd0 < 0) { + perror("socket packet"); + exit(1); + } + /* Try to create a new fanout group. Should fail. */ + val = (PACKET_FANOUT_HASH << 16) | 1; + err = setsockopt(fd0, SOL_PACKET, PACKET_FANOUT, &val, sizeof(val)); + if (!err) { + fprintf(stderr, "ERROR: unbound socket fanout create\n"); + exit(1); + } + fd1 = sock_fanout_open(PACKET_FANOUT_HASH, 1); + if (fd1 == -1) { + fprintf(stderr, "ERROR: failed to open HASH socket\n"); + exit(1); + } + /* Try to join an existing fanout group. Should fail. */ + err = setsockopt(fd0, SOL_PACKET, PACKET_FANOUT, &val, sizeof(val)); + if (!err) { + fprintf(stderr, "ERROR: unbound socket fanout join\n"); + exit(1); + } + close(fd0); + close(fd1); +} + /* Test illegal mode + flag combination */ static void test_control_single(void) { @@ -523,6 +558,7 @@ int main(int argc, char **argv) const int expect_uniqueid[2][2] = { { 20, 20}, { 20, 20 } }; int port_off = 2, tries = 20, ret; + test_unbound_fanout(); test_control_single(); test_control_group(0); test_control_group(1);