726 static void *__bpf_copy_key(void __user *ukey, u64 key_size)  in __bpf_copy_key()  argument
729 		return memdup_user(ukey, key_size);  in __bpf_copy_key()
731 	if (ukey)  in __bpf_copy_key()
742 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_lookup_elem()  local
772 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_elem()
877 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_update_elem()  local
904 	key = __bpf_copy_key(ukey, map->key_size);  in map_update_elem()
990 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_delete_elem()  local
1009 	key = __bpf_copy_key(ukey, map->key_size);  in map_delete_elem()
1040 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_get_next_key()  local
1060 	if (ukey) {  in map_get_next_key()
1061 		key = __bpf_copy_key(ukey, map->key_size);  in map_get_next_key()
1106 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_lookup_and_delete_elem()  local
1128 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_and_delete_elem()