369 	map->key_size = attr->key_size;  in bpf_map_init_from_attr()
694 	size = round_up(map->key_size + bpf_map_value_size(map), 8);  in bpf_map_memory_footprint()
722 		   map->key_size,  in bpf_map_show_fdinfo()
993 	u32 key_size, value_size;  in map_check_btf()  local
998 		key_type = btf_type_id_size(btf, &btf_key_id, &key_size);  in map_check_btf()
999 		if (!key_type || key_size != map->key_size)  in map_check_btf()
1285 static void *__bpf_copy_key(void __user *ukey, u64 key_size)  in __bpf_copy_key()  argument
1287 	if (key_size)  in __bpf_copy_key()
1288 		return vmemdup_user(ukey, key_size);  in __bpf_copy_key()
1296 static void *___bpf_copy_key(bpfptr_t ukey, u64 key_size)  in ___bpf_copy_key()  argument
1298 	if (key_size)  in ___bpf_copy_key()
1299 		return kvmemdup_bpfptr(ukey, key_size);  in ___bpf_copy_key()
1342 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_elem()
1415 	key = ___bpf_copy_key(ukey, map->key_size);  in map_update_elem()
1463 	key = ___bpf_copy_key(ukey, map->key_size);  in map_delete_elem()
1519 		key = __bpf_copy_key(ukey, map->key_size);  in map_get_next_key()
1529 	next_key = kvmalloc(map->key_size, GFP_USER);  in map_get_next_key()
1546 	if (copy_to_user(unext_key, next_key, map->key_size) != 0)  in map_get_next_key()
1584 	key = kvmalloc(map->key_size, GFP_USER | __GFP_NOWARN);  in generic_map_delete_batch()
1590 		if (copy_from_user(key, keys + cp * map->key_size,  in generic_map_delete_batch()
1591 				   map->key_size))  in generic_map_delete_batch()
1646 	key = kvmalloc(map->key_size, GFP_USER | __GFP_NOWARN);  in generic_map_update_batch()
1659 		if (copy_from_user(key, keys + cp * map->key_size,  in generic_map_update_batch()
1660 		    map->key_size) ||  in generic_map_update_batch()
1711 	buf_prevkey = kvmalloc(map->key_size, GFP_USER | __GFP_NOWARN);  in generic_map_lookup_batch()
1715 	buf = kvmalloc(map->key_size + value_size, GFP_USER | __GFP_NOWARN);  in generic_map_lookup_batch()
1723 	if (ubatch && copy_from_user(buf_prevkey, ubatch, map->key_size))  in generic_map_lookup_batch()
1726 	value = key + map->key_size;  in generic_map_lookup_batch()
1751 		if (copy_to_user(keys + cp * map->key_size, key,  in generic_map_lookup_batch()
1752 				 map->key_size)) {  in generic_map_lookup_batch()
1774 		    (cp && copy_to_user(uobatch, prev_key, map->key_size))))  in generic_map_lookup_batch()
1826 	key = __bpf_copy_key(ukey, map->key_size);  in map_lookup_and_delete_elem()
4220 	info.key_size = map->key_size;  in bpf_map_get_info_by_fd()