From patchwork Sun Oct 13 07:15:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gur Stavi X-Patchwork-Id: 13833291 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 5A845770E4; Sun, 13 Oct 2024 07:17:45 +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=1728803867; cv=none; b=IMvANobNtglzxTMlBaUBXi5RH8IShF5i8Y8b90IyxjQUtoehr6scvxfYHsXjAyJHUGSMmwa4GX0S8QskP6gBp1uaIyjN/T2iusiL7PSnH9xQiMm23pG42pKI6hxXCdV5+WbtgLsFxCN5ROi/mH52YhtVg0qtxls0vmfi8QmZ1kg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728803867; c=relaxed/simple; bh=CFzNbzW1eEnEF6SnRyQ57jkQR8QwGYNI0Fag43gdHio=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RTzxAb6i5tyQwiboaawtr34/JFsykv7yeh80RsAawQ3M5asYmwBqWWWOfLOwiw/DbqeTenM4B2aTEMK74DmKtD4b9suOlp45O1sUoxoAvxwrJ67rCJ3IPJi32EkEWZCiuTmTcaNoQqNbgfBwuXi/AlS6+uQkfB3v0qBUdSBdknU= 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 [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4XRBWZ6XRGz6K5fZ; Sun, 13 Oct 2024 15:17:14 +0800 (CST) Received: from frapeml500005.china.huawei.com (unknown [7.182.85.13]) by mail.maildlp.com (Postfix) with ESMTPS id 2A261140447; Sun, 13 Oct 2024 15:17:43 +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; Sun, 13 Oct 2024 09:17:37 +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 v04 3/3] selftests: net/psock_fanout: unbound socket fanout Date: Sun, 13 Oct 2024 10:15:27 +0300 Message-ID: <7612fa90f613100e2b64c563cab3d7fdf36010db.1728802323.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: dggems704-chm.china.huawei.com (10.3.19.181) 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 Reviewed-by: Willem de Bruijn --- 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);