diff options
| author | Florian Westphal <fw@strlen.de> | 2020-01-16 08:58:05 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-16 14:22:32 +0100 |
| commit | 9ec22d7c6c69146180577f3ad5fdf504beeaee62 (patch) | |
| tree | 2d079718e2b924358fc77ff948685e9ec7f21d42 /net | |
| parent | 1c702bf902bd37349f6d91cd7f4b372b1e46d0ed (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.c | 3 |
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: |