From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CD2BC7618F for ; Wed, 17 Jul 2019 21:42:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23D2A217F4 for ; Wed, 17 Jul 2019 21:42:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YcmxJc1s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727606AbfGQVmZ (ORCPT ); Wed, 17 Jul 2019 17:42:25 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:37217 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727205AbfGQVmZ (ORCPT ); Wed, 17 Jul 2019 17:42:25 -0400 Received: by mail-pg1-f195.google.com with SMTP id i70so1040979pgd.4 for ; Wed, 17 Jul 2019 14:42:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1Z+2ruFMzkI/j50o6IHuToonOxYGbJg8L9AL6dv/THo=; b=YcmxJc1s1hOEkVOCgjHFTyCMBF8aYVcS88Rdacb74hiV9MUk0L1nhvgosnt3k8ptEt dOv51G5+hpH5h7/l8fUFr2+YbIZ8Q04InJKnkvRHrN+Ya2EfpzjD+GdXGnwgqBnC9w0v a5vWA+wUAyGZRw33NYwzIzuPCYkokzS7tuSxHrEGOw+AH6ZtOgmuF80y3geVfya8ioYJ WmNpA9DR2kS9cz5F5vNoQThiwH1vbr6+pFnO6XHeNGsq539B8Mj+p9tQYDtSzr6CGRQD iPFGlcKmZiyfrVFPr3q/LBP4XP1+Mjz/iBb7143v5gnX0X5rXyKgxrDwd69hFknS7Z43 vuhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1Z+2ruFMzkI/j50o6IHuToonOxYGbJg8L9AL6dv/THo=; b=BU8ZCgJUHESTrvgvQFRXqKVp0pwtfZY36gshRd7uJZUXfE2Wxq5t5WJmUL79PS8PCS 8wtLjn2WH5bZdZabVlfbfABne8W/MKfdhXSdvLjZDrBdfZrOWJsNkMSrXQqpBrlrf3w2 5QTGUJu+7NdRZQ7Z8CDu6O24qieKdgVVTV3Q+A1+uYY82Qu3rkmIDO0wvB4Di9aX+Sn4 LmImxUakz9dZZKPzFzCiZva0jTUxdzpN4nkxcw3v8BR1oA9PMSXtRArspzoY+UJkHdyx U+zVH88g4uYyg9B2bWaUZetFzUvmUl53DkihByp+83IRwMwnrwAIEpbfXA5jMAa13lz7 sp1Q== X-Gm-Message-State: APjAAAXIkZx3zs4NsjTNpT32/nU2C36n0UlIyN1f7fsvjuq1bk1hUJ2p w4vkoty7ih+TiLET0KV0YpzWvSwlIwk= X-Google-Smtp-Source: APXvYqzt33xjLv49OoYDGfRatZRVVpplVYrGwgTj/2jsurQkXLnoXX736PSOWTozAYpQ5schRRdSPQ== X-Received: by 2002:a63:7358:: with SMTP id d24mr43551016pgn.224.1563399744047; Wed, 17 Jul 2019 14:42:24 -0700 (PDT) Received: from tw-172-25-31-76.office.twttr.net ([8.25.197.24]) by smtp.gmail.com with ESMTPSA id 23sm27476615pfn.176.2019.07.17.14.42.23 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 17 Jul 2019 14:42:23 -0700 (PDT) From: Cong Wang To: netdev@vger.kernel.org Cc: dsahern@gmail.com, Cong Wang Subject: [Patch net v3 0/2] ipv4: relax source validation check for loopback packets Date: Wed, 17 Jul 2019 14:41:57 -0700 Message-Id: <20190717214159.25959-1-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patchset fixes a corner case when loopback packets get dropped by rp_filter when we route them from veth to lo. Patch 1 is the fix and patch 2 provides a simplified test case for this scenario. Cong Wang (2): fib: relax source validation check for loopback packets selftests: add a test case for rp_filter --- v3: use dummy1 instead of dummy0 in the test case v2: remove a redundant if check and add a test case net/ipv4/fib_frontend.c | 5 ++++ tools/testing/selftests/net/fib_tests.sh | 35 +++++++++++++++++++++++- 2 files changed, 39 insertions(+), 1 deletion(-) -- 2.21.0