[PATCH 4.19 18/56] netfilter: nft_tunnel: restrict it to netdev family

Greg Kroah-Hartman
2022-09-02T12:32:03Z

From: Pablo Neira Ayuso <pablo@netfilter.org>

[ 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>
---
net/netfilter/nft_tunnel.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index 8ae948fd9dcfc..3fc55c81f16ac 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -104,6 +104,7 @@ 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,
--
2.35.1