1 files changed, 4 insertions, 0 deletions

diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 00a33242e90c..a274300b6a56 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -343,6 +343,10 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct ipmac data;
 
+        /* MAC can be src only */
+        if (!(flags & IPSET_DIM_TWO_SRC))
+                return 0;
+
         data.id = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
         if (data.id < map->first_ip || data.id > map->last_ip)
                 return -IPSET_ERR_BITMAP_RANGE;