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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 25179C169C4 for ; Wed, 6 Feb 2019 12:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D992E20B1F for ; Wed, 6 Feb 2019 12:51:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IIymKdQ2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730060AbfBFMvi (ORCPT ); Wed, 6 Feb 2019 07:51:38 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:43165 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727644AbfBFMvi (ORCPT ); Wed, 6 Feb 2019 07:51:38 -0500 Received: by mail-pf1-f193.google.com with SMTP id w73so3011133pfk.10 for ; Wed, 06 Feb 2019 04:51:38 -0800 (PST) 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=lcm8IuqbmJ28BLdLHlQ9TJQIuikdHwuovDCEaiWpOao=; b=IIymKdQ2yJmHe6/jFypYEAuUgJ65T79ir5atD+Uy8mPMmbiV6mLBS3za3s2WiHwTxT N2YznK9Adq2k0BKdCDLOlNYAys5iL+V2qTdTXZxQysHHKNGc+87HrlfxijmNvZ9IU3wj UizBJb+IVvXdPP2yHPeDNiMwVWuUok5fL9+97kmauCXx75dmsDVYnuV2ahTaMQvBqA5m Njeah4wnd136jsflILcZ9TuN+8h+p6q8MlQ0psnoeXscm0IwN5uGmbHpbuFUDx8s1xcr Rthh97heIvrh51F2u9jCbfrDw/Nj5CDAfA9LMNvz+3Ynv5UXBfZiWUGTrOTjin8zWklw Tojg== 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=lcm8IuqbmJ28BLdLHlQ9TJQIuikdHwuovDCEaiWpOao=; b=Hp93N8NBmLG3jl7ldMNfqQffZe8fHosSy5f1fA6xt/BgeOSejBUb5hj1BUsKfs4QUu HejxAZ0PlJhZ4/N6LLMBe2ZO2iB43e5sLEbYtgs8LRovZ8WQzF8MxEx0btcgYPL2Jm3e 1l7KQlhfCXv+zFVTQMvpzFQF2mtTyo4AHxg/GKojp096bNVOylnm6pWIhta1vA8YkekL HicaRBRupb6J2fvId8qj/ri9D+4iqU+Tv7ZwhHum/Ho2IzzfRD/ZpowtXKlbjLUrj/uE dpWip+Z/YCQ0AqJbqYeOtn5KcX/YGtcX+aJMdWpUssIbL4AiIWyeHjZkAmyqYmLx+7b6 8XNQ== X-Gm-Message-State: AHQUAuZUMJ/tVKSLT71v32pvkxrAgXgVHveJ/YA3VGovcfzkqOIuNRfD /Ldfcjb2jYQVvdK2KY79TyeFSiu/ X-Google-Smtp-Source: AHgI3IarThksPMZ9a0uXZKHQBexcl5WmzzizyTi5pttHGb5wsdXlzA1fVnaLzh6j9JzUnGByK1U35A== X-Received: by 2002:a62:4c:: with SMTP id 73mr10234947pfa.24.1549457497744; Wed, 06 Feb 2019 04:51:37 -0800 (PST) Received: from dhcp-12-139.nay.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id 62sm8023665pgc.61.2019.02.06.04.51.35 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 06 Feb 2019 04:51:37 -0800 (PST) From: Hangbin Liu To: netdev@vger.kernel.org Cc: Stefano Brivio , David Miller , Hangbin Liu Subject: [PATCH net 0/2] fix two kernel panics when disabled IPv6 on boot up Date: Wed, 6 Feb 2019 20:51:09 +0800 Message-Id: <20190206125111.5286-1-liuhangbin@gmail.com> X-Mailer: git-send-email 2.19.2 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 When disabled IPv6 on boot up, since there is no ipv6 route tables, we should not call rt6_lookup. Fix them by checking if we have inet6_dev pointer on netdevice. Hangbin Liu (2): geneve: should not call rt6_lookup() when ipv6 was disabled sit: check if IPv6 enabled before call ip6_err_gen_icmpv6_unreach() drivers/net/geneve.c | 6 ++++++ net/ipv6/sit.c | 8 +++++++- 2 files changed, 13 insertions(+), 1 deletion(-) -- 2.19.2