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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Ludovic Senecaux <linuxludo@free.fr>,
	Florian Westphal <fw@strlen.de>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Sasha Levin <sashal@kernel.org>,
	netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
	netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.11 19/38] netfilter: conntrack: Fix gre tunneling over ipv6
Date: Mon, 29 Mar 2021 18:21:14 -0400	[thread overview]
Message-ID: <20210329222133.2382393-19-sashal@kernel.org> (raw)
In-Reply-To: <20210329222133.2382393-1-sashal@kernel.org>

From: Ludovic Senecaux <linuxludo@free.fr>

[ Upstream commit 8b2030b4305951f44afef80225f1475618e25a73 ]

This fix permits gre connections to be tracked within ip6tables rules

Signed-off-by: Ludovic Senecaux <linuxludo@free.fr>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_conntrack_proto_gre.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 5b05487a60d2..db11e403d818 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -218,9 +218,6 @@ int nf_conntrack_gre_packet(struct nf_conn *ct,
 			    enum ip_conntrack_info ctinfo,
 			    const struct nf_hook_state *state)
 {
-	if (state->pf != NFPROTO_IPV4)
-		return -NF_ACCEPT;
-
 	if (!nf_ct_is_confirmed(ct)) {
 		unsigned int *timeouts = nf_ct_timeout_lookup(ct);
 
-- 
2.30.1


       reply	other threads:[~2021-03-29 22:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210329222133.2382393-1-sashal@kernel.org>
2021-03-29 22:21 ` Sasha Levin [this message]
2021-03-29 22:21 ` [PATCH AUTOSEL 5.11 20/38] netfilter: nftables: skip hook overlap logic if flowtable is stale Sasha Levin

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