725 static void *__bpf_copy_key(void __user *ukey, u64 key_size)  in __bpf_copy_key()  argument
728 		return memdup_user(ukey, key_size);  in __bpf_copy_key()
730 	if (ukey)  in __bpf_copy_key()
741 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_lookup_elem()  local
771 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_elem()
876 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_update_elem()  local
903 	key = __bpf_copy_key(ukey, map->key_size);  in map_update_elem()
989 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_delete_elem()  local
1008 	key = __bpf_copy_key(ukey, map->key_size);  in map_delete_elem()
1039 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_get_next_key()  local
1059 	if (ukey) {  in map_get_next_key()
1060 		key = __bpf_copy_key(ukey, map->key_size);  in map_get_next_key()
1105 	void __user *ukey = u64_to_user_ptr(attr->key);  in map_lookup_and_delete_elem()  local
1126 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_and_delete_elem()