diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 5b876fa7f9af..db11427a5d06 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2558,12 +2558,15 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
 	struct hlist_nulls_head *hash;
 	unsigned int nr_slots, i;
 
-	if (*sizep > (UINT_MAX / sizeof(struct hlist_nulls_head)))
+	if (*sizep > (INT_MAX / sizeof(struct hlist_nulls_head)))
 		return NULL;
 
 	BUILD_BUG_ON(sizeof(struct hlist_nulls_head) != sizeof(struct hlist_head));
 	nr_slots = *sizep = roundup(*sizep, PAGE_SIZE / sizeof(struct hlist_nulls_head));
 
+	if (nr_slots > (INT_MAX / sizeof(struct hlist_nulls_head)))
+		return NULL;
+
 	hash = kvcalloc(nr_slots, sizeof(struct hlist_nulls_head), GFP_KERNEL);
 
 	if (hash && nulls)