his limit.
+	 */
+	if (attr->signature_size > KMALLOC_MAX_CACHE_SIZE)
+		return -EINVAL;
+
 	if (system_keyring_id_check(attr->keyring_id) == 0)
 		key = bpf_lookup_system_key(attr->keyring_id);
 	else
-- 
2.51.0[PATCH 6.18 118/641] bpf: Limit bpf program signature sizeGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined undefined undefinedŚ`†•