aboutsummaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorFlorian Westphal <fw@strlen.de>2020-01-16 08:58:05 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2020-01-16 14:22:32 +0100
commit9ec22d7c6c69146180577f3ad5fdf504beeaee62 (patch)
tree2d079718e2b924358fc77ff948685e9ec7f21d42 /net
parent1c702bf902bd37349f6d91cd7f4b372b1e46d0ed (diff)
netfilter: nft_tunnel: ERSPAN_VERSION must not be null
Fixes: af308b94a2a4a5 ("netfilter: nf_tables: add tunnel support") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nft_tunnel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index d89c7c553030..5284fcf16be7 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(const struct nlattr *attr,
if (err < 0)
return err;
+ if (!tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION])
+ return -EINVAL;
+
version = ntohl(nla_get_be32(tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION]));
switch (version) {
case ERSPAN_VERSION:

Privacy Policy