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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D4A4FC04E53 for ; Wed, 15 May 2019 12:18:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A722C206BF for ; Wed, 15 May 2019 12:18:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557922724; bh=ZSxDdku1pIRQ+plPPBMgrIp8eq/1m2CAf4sNxgHP3kA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tkFoTWT6N35gSO1Wn47uuoE/se++Lluzr7WFqXZrbgoadOtpOOEjKM2u5WVomVNbt zWENuvScZ90zUXEUolvBs82idYfRp0ZjzgpygIgNyxARmhhOBywaNt+Ob0tB5wGd7N ifLmpEp78WxF9a3Tnz20Mmka5hMUSXI3PgCAQCEY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727508AbfEOMSi (ORCPT ); Wed, 15 May 2019 08:18:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:58256 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727644AbfEOLBO (ORCPT ); Wed, 15 May 2019 07:01:14 -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 87DD720881; Wed, 15 May 2019 11:01:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557918074; bh=ZSxDdku1pIRQ+plPPBMgrIp8eq/1m2CAf4sNxgHP3kA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qr0/DdqjfnjZHffF1FUQkZk4v09/95wZTuMnHwLiWSj1Zw+G6VK8GbezBMrbCWvor lh1nzQ4lj7duItNBzowG3AnR3r1ytVW+0oMtKvyFaMHv2yY99s1p6cnFjHhXCOScl5 Nr39eYGJSYo6Dv22/lBZtSdKfh+Ng88bE72lIIM8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Ahern , "David S. Miller" Subject: [PATCH 3.18 82/86] ipv4: Fix raw socket lookup for local traffic Date: Wed, 15 May 2019 12:55:59 +0200 Message-Id: <20190515090655.943557607@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190515090642.339346723@linuxfoundation.org> References: <20190515090642.339346723@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: David Ahern [ Upstream commit 19e4e768064a87b073a4b4c138b55db70e0cfb9f ] inet_iif should be used for the raw socket lookup. inet_iif considers rt_iif which handles the case of local traffic. As it stands, ping to a local address with the '-I ' option fails ever since ping was changed to use SO_BINDTODEVICE instead of cmsg + IP_PKTINFO. IPv6 works fine. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: David Ahern Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv4/raw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -158,6 +158,7 @@ static int icmp_filter(const struct sock */ static int raw_v4_input(struct sk_buff *skb, const struct iphdr *iph, int hash) { + int dif = inet_iif(skb); struct sock *sk; struct hlist_head *head; int delivered = 0; @@ -170,8 +171,7 @@ static int raw_v4_input(struct sk_buff * net = dev_net(skb->dev); sk = __raw_v4_lookup(net, __sk_head(head), iph->protocol, - iph->saddr, iph->daddr, - skb->dev->ifindex); + iph->saddr, iph->daddr, dif); while (sk) { delivered = 1;