From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sun, 21 Aug 2022 14:32:44 +0000 (+0200)
Subject: netfilter: nft_tunnel: restrict it to netdev family
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b6d601211ce4e00577f99bd8062b8aa2868ae12e;p=linux.git

netfilter: nft_tunnel: restrict it to netdev family

[ Upstream commit 01e4092d53bc4fe122a6e4b6d664adbd57528ca3 ]

Only allow to use this expression from NFPROTO_NETDEV family.

Fixes: af308b94a2a4 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index 3b27926d5382c..2ee50996da8cc 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -133,6 +133,7 @@ static const struct nft_expr_ops nft_tunnel_get_ops = {
 
 static struct nft_expr_type nft_tunnel_type __read_mostly = {
 	.name		= "tunnel",
+	.family		= NFPROTO_NETDEV,
 	.ops		= &nft_tunnel_get_ops,
 	.policy		= nft_tunnel_policy,
 	.maxattr	= NFTA_TUNNEL_MAX,