From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
These flags are mutually exclusive, report EINVAL in this case.
Fixes: aaa31047a6d2 ("netfilter: nftables: add catch-all set element support")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 1d14d694f654..b1b12e083abb 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5198,6 +5198,9 @@ static int nft_setelem_parse_flags(const struct nft_set *set,
if (!(set->flags & NFT_SET_INTERVAL) &&
*flags & NFT_SET_ELEM_INTERVAL_END)
return -EINVAL;
+ if ((*flags & (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL)) ==
+ (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL))
+ return -EINVAL;
return 0;
}
--
2.35.1
