diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-20 18:22:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-04 11:56:46 +0200 |
| commit | 0df650d50676b5d729797c4bc909be030cb4d065 (patch) | |
| tree | 6cc6fe7bbdfbc1112fd251465045397f525c9d45 /net | |
| parent | 744a31442da17b0b3929efd3503fe89549378093 (diff) | |
netfilter: nft_nat: allow to specify layer 4 protocol NAT only
[ Upstream commit a33f387ecd5aafae514095c2c4a8c24f7aea7e8b ]
nft_nat reports a bogus EAFNOSUPPORT if no layer 3 information is specified.
Fixes: d07db9884a5f ("netfilter: nf_tables: introduce nft_validate_register_load()")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nft_nat.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 868480b83649..182704b980d1 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -157,7 +157,9 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, alen = FIELD_SIZEOF(struct nf_nat_range, min_addr.ip6); break; default: - return -EAFNOSUPPORT; + if (tb[NFTA_NAT_REG_ADDR_MIN]) + return -EAFNOSUPPORT; + break; } priv->family = family; |