From patchwork Fri Apr 22 17:24:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Mikityanskiy X-Patchwork-Id: 565136 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 9C9E8C433F5 for ; Fri, 22 Apr 2022 17:35:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230253AbiDVRiV (ORCPT ); Fri, 22 Apr 2022 13:38:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233100AbiDVRhl (ORCPT ); Fri, 22 Apr 2022 13:37:41 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2076.outbound.protection.outlook.com [40.107.94.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ABF7FE5EF; Fri, 22 Apr 2022 10:34:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=C02dUtDRKRM1g8mAG8TRFE7Ln3uGTMPC4rjsotQyZXHT0pCQwmJb5OQX60BWB7KGC1Gd5nVmdXmZ/x6CqyhB0Aa5qXinXfZvE5+OK3KsvhQYwx1AK9G0E+1d3BVx4OEhbOBxO0lZkfgweX3hfdjLNUPWafX8P7boGIfP8QGlSHkGREAiv9BW2nOXloa9+6VkzKsmEjic2jp2SfPPRo04Z+aSbQvAkn1dS+dhsH3Z5nvWnVxtc/FNrpRk5Dda8L38zlnhyM6FU34MBAKG0bTgvxkkcG9WKA1JHa7rHpGbyyttNLuscTJ11qfCwMS45wQWXDEz5pOvXqvGhK3uVfQxBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ceeGsQYgi1i09dOkw/xW9S/NUSgxrVXoQZ4vKjoj1Xc=; b=TU1Q/nztvaL3tPJDIbOttBfqfiT56YjcmirMYBaDqItk9E1phO7kAZxTOa30VbtZGGRGl4EjfOYqrYGkXJ2o2eFK6B5xbVnAlZfRKT0twL3KH3NPiUecC6ZWUxXlwRUgeGiHhXvETxZNZLnbNhOdOzcdazyt8jzB2n9tYnBhhX2ccIdId71czgsD7pggfF/8UNsSMl0wOW/DstYAajDqOZXPsiFk66TiKJlHtlfdbmNU47lqOIWWiTomN7gwX+mPQf9ZAiIC3DPAy2+0I5va6gA8g35krQTkRJRaeO+FN0j1+0hH35fD3S/1I47VqgLA0rZHGA3f+CXSYex2Klx8QA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.238) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ceeGsQYgi1i09dOkw/xW9S/NUSgxrVXoQZ4vKjoj1Xc=; b=Udo46AraQfap0sbrYPJTfACQs+4TR90j3riSv1tM0yvo0ZTD8oqBLILw9WwpsJxjGiSZw9z5v7I8HYqydKmRtg06hFyb/6JwnG9l5l2Ey3l8Jdi785z8DHirS7QnJZig/5plI19swldpq/EgbKCn3KPp2sfhhr5CJI7iQxA/vhIvEPtxH4Z2RYu4NSYBYrkdzQ3TmPXrqgdPA+YRtcMq3u8o7HqBBzz8VD8gKkcdFlfp9r+WgyZCUr2DEWa6Xs0DqzByDxrGHG92KsYTsJX/PB6/xpRrGP5GDfgL1i6U6X9hIUHdxTgZEfA+rKBl0tIHKP7OND1ILKOOCjeDmZ4WgQ== Received: from DS7PR03CA0355.namprd03.prod.outlook.com (2603:10b6:8:55::30) by MN2PR12MB3822.namprd12.prod.outlook.com (2603:10b6:208:166::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.14; Fri, 22 Apr 2022 17:24:43 +0000 Received: from DM6NAM11FT034.eop-nam11.prod.protection.outlook.com (2603:10b6:8:55:cafe::9e) by DS7PR03CA0355.outlook.office365.com (2603:10b6:8:55::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.13 via Frontend Transport; Fri, 22 Apr 2022 17:24:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.238) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.238 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.238; helo=mail.nvidia.com; Received: from mail.nvidia.com (12.22.5.238) by DM6NAM11FT034.mail.protection.outlook.com (10.13.173.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5186.14 via Frontend Transport; Fri, 22 Apr 2022 17:24:43 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by DRHQMAIL105.nvidia.com (10.27.9.14) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Fri, 22 Apr 2022 17:24:42 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 22 Apr 2022 10:24:42 -0700 Received: from vdi.nvidia.com (10.127.8.12) by mail.nvidia.com (10.129.68.7) with Microsoft SMTP Server id 15.2.986.22 via Frontend Transport; Fri, 22 Apr 2022 10:24:34 -0700 From: Maxim Mikityanskiy To: , Alexei Starovoitov , "Daniel Borkmann" , Andrii Nakryiko , CC: Tariq Toukan , Martin KaFai Lau , "Song Liu" , Yonghong Song , John Fastabend , KP Singh , "David S. Miller" , Jakub Kicinski , Petar Penkov , Lorenz Bauer , Eric Dumazet , Hideaki YOSHIFUJI , "David Ahern" , Shuah Khan , "Jesper Dangaard Brouer" , Nathan Chancellor , "Nick Desaulniers" , Joe Stringer , "Florent Revest" , , =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , "Kumar Kartikeya Dwivedi" , Florian Westphal , , Maxim Mikityanskiy Subject: [PATCH bpf-next v6 1/6] bpf: Use ipv6_only_sock in bpf_tcp_gen_syncookie Date: Fri, 22 Apr 2022 20:24:17 +0300 Message-ID: <20220422172422.4037988-2-maximmi@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220422172422.4037988-1-maximmi@nvidia.com> References: <20220422172422.4037988-1-maximmi@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2ff8327c-80a7-4e0f-ec81-08da2484fda0 X-MS-TrafficTypeDiagnostic: MN2PR12MB3822:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.238; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230001)(4636009)(46966006)(40470700004)(36840700001)(83380400001)(36756003)(70586007)(1076003)(70206006)(107886003)(336012)(2906002)(4326008)(86362001)(8676002)(316002)(110136005)(54906003)(40460700003)(7696005)(4744005)(6666004)(186003)(81166007)(26005)(426003)(356005)(508600001)(2616005)(5660300002)(47076005)(82310400005)(7416002)(8936002)(36860700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Apr 2022 17:24:43.4717 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2ff8327c-80a7-4e0f-ec81-08da2484fda0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.238]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT034.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3822 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Instead of querying the sk_ipv6only field directly, use the dedicated ipv6_only_sock helper. Signed-off-by: Maxim Mikityanskiy Reviewed-by: Tariq Toukan Acked-by: John Fastabend Acked-by: Lorenz Bauer Acked-by: Petar Penkov --- net/core/filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/filter.c b/net/core/filter.c index 8847316ee20e..207a13db5c80 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -7099,7 +7099,7 @@ BPF_CALL_5(bpf_tcp_gen_syncookie, struct sock *, sk, void *, iph, u32, iph_len, */ switch (((struct iphdr *)iph)->version) { case 4: - if (sk->sk_family == AF_INET6 && sk->sk_ipv6only) + if (sk->sk_family == AF_INET6 && ipv6_only_sock(sk)) return -EINVAL; mss = tcp_v4_get_syncookie(sk, iph, th, &cookie);