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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,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 EAF92C04AAA for ; Thu, 2 May 2019 15:23:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCC2C20675 for ; Thu, 2 May 2019 15:23:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556810611; bh=wMW1TWyHtuzFr8usuvPxlbRK7oWcUQqAaSlgBosbkMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AItBafvGixbXSBSsK0W6RKcrelUlVTBLTC6uI9W8qp19+oLl6CIlkMgDSUfm6ijbT NldBuyu4LTAB3EwjQCEOvnCcreimbaDpiBmPAsOrCULgEdm5VRmMVoJHpWkWXlfU1N fpjd2qhmGKsKZeqSbpEQ0e8LrgiG2XGU3cckCaW8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727061AbfEBPXb (ORCPT ); Thu, 2 May 2019 11:23:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:39158 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727032AbfEBPX3 (ORCPT ); Thu, 2 May 2019 11:23:29 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4E2DE20449; Thu, 2 May 2019 15:23:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556810608; bh=wMW1TWyHtuzFr8usuvPxlbRK7oWcUQqAaSlgBosbkMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qd+2gkORBpIoDFA7mvrlycYH2oa0T/7enlT/RB3z8jHWO9mtT4h8L9bHZ90IG2Vzm cSBtcTtQp/tGvhx37Gd4o9hyeQZqByjYrvyDhBwfAPZLLapHvcqtwUFPTtFeksW1dB 7CyKGWf3rihx5E1vVXw3eZdAct2vJ/XgdoaRC6Hc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Li Shuang , Pablo Neira Ayuso , Xin Long , Neil Horman , Florian Westphal , "Sasha Levin (Microsoft)" Subject: [PATCH 4.14 12/49] netfilter: bridge: set skb transport_header before entering NF_INET_PRE_ROUTING Date: Thu, 2 May 2019 17:20:49 +0200 Message-Id: <20190502143325.644289870@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190502143323.397051088@linuxfoundation.org> References: <20190502143323.397051088@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit e166e4fdaced850bee3d5ee12a5740258fb30587 ] Since Commit 21d1196a35f5 ("ipv4: set transport header earlier"), skb->transport_header has been always set before entering INET netfilter. This patch is to set skb->transport_header for bridge before entering INET netfilter by bridge-nf-call-iptables. It also fixes an issue that sctp_error() couldn't compute a right csum due to unset skb->transport_header. Fixes: e6d8b64b34aa ("net: sctp: fix and consolidate SCTP checksumming code") Reported-by: Li Shuang Suggested-by: Pablo Neira Ayuso Signed-off-by: Xin Long Acked-by: Neil Horman Acked-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin (Microsoft) --- net/bridge/br_netfilter_hooks.c | 1 + net/bridge/br_netfilter_ipv6.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 5fd283d9929e..89936e0d55c9 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -512,6 +512,7 @@ static unsigned int br_nf_pre_routing(void *priv, nf_bridge->ipv4_daddr = ip_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IP); + skb->transport_header = skb->network_header + ip_hdr(skb)->ihl * 4; NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 5811208863b7..09d5e0c7b3ba 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -235,6 +235,8 @@ unsigned int br_nf_pre_routing_ipv6(void *priv, nf_bridge->ipv6_daddr = ipv6_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IPV6); + skb->transport_header = skb->network_header + sizeof(struct ipv6hdr); + NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, br_nf_pre_routing_finish_ipv6); -- 2.19.1