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| author | Florian Westphal <fw@strlen.de> | 2020-01-16 08:58:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-05 14:43:47 +0000 |
| commit | 9f19727f16fa96fa2b61b134e3a4be48d3128076 (patch) | |
| tree | 1d7325f1108c39705fa632f5111e71903d402470 /net/netfilter | |
| parent | ffd89a6c2daace7a9e33adb665f8f1bb8e44c7e3 (diff) | |
| download | linux-stable-9f19727f16fa96fa2b61b134e3a4be48d3128076.tar.gz linux-stable-9f19727f16fa96fa2b61b134e3a4be48d3128076.tar.bz2 linux-stable-9f19727f16fa96fa2b61b134e3a4be48d3128076.zip | |
netfilter: nft_tunnel: ERSPAN_VERSION must not be null
[ Upstream commit 9ec22d7c6c69146180577f3ad5fdf504beeaee62 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/netfilter')
| -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 09441bbb0166..e5444f3ff43f 100644 --- a/net/netfilter/nft_tunnel.c +++ b/net/netfilter/nft_tunnel.c @@ -235,6 +235,9 @@ 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: |