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 909B3C43219 for ; Thu, 2 May 2019 15:49:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F367204EC for ; Thu, 2 May 2019 15:49:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556812199; bh=au3gB4Ww5FD4EQ/j7tTVGHNJdsnxCFXON5ALOg5K4jY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xFpZyxe+XqJkEaBGOx1IIPxTFB5Y/WtGDEN403451C7c5EWuMK10rgh0WF47ObsVK owPWzLQX9CrxWkyHxHZiH1zlQAv1iG9Jl4FlfIXL4aGrLVkpf1QyNy7IGCzz6jQaos 4g9e+8LBsIExT537h1AEy//vdcVfnngSduMf8Yuw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726570AbfEBPWU (ORCPT ); Thu, 2 May 2019 11:22:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:37430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726518AbfEBPWN (ORCPT ); Thu, 2 May 2019 11:22:13 -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 49FBB2085A; Thu, 2 May 2019 15:22:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556810532; bh=au3gB4Ww5FD4EQ/j7tTVGHNJdsnxCFXON5ALOg5K4jY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=klvris8phzaf9o1u0sK79RUFPSdnaepP3YkRNGmpo3D9XcQ9YH/k9SASSSqyJzCsg JCHi/L9FfF1W1P4Yvh5EHOj6juqGimy2Aiaf8qBtMP6lAJ5WfiHyWVuPaYMdUkIF+2 Ra+Tkc71/mbPOWEpw3ARRTPMzYFsnNxOaM/0BDOw= 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 4.9 08/32] netfilter: bridge: set skb transport_header before entering NF_INET_PRE_ROUTING Date: Thu, 2 May 2019 17:20:54 +0200 Message-Id: <20190502143317.844224388@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190502143314.649935114@linuxfoundation.org> References: <20190502143314.649935114@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 38865deab3ac..0c96773d1829 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 a1b57cb07f1e..8c08dd07419f 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