diff options
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b1b12e083abb..62cfb0e31c40 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4451,6 +4451,11 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, err = nf_tables_set_desc_parse(&desc, nla[NFTA_SET_DESC]); if (err < 0) return err; + + if (desc.field_count > 1 && !(flags & NFT_SET_CONCAT)) + return -EINVAL; + } else if (flags & NFT_SET_CONCAT) { + return -EINVAL; } if (nla[NFTA_SET_EXPR] || nla[NFTA_SET_EXPRESSIONS]) |