On Wed, Oct 27, 2021 at 4:45 PM Joanne Koong <joannekoong@xxxxxx> wrote:
> @@ -1080,6 +1089,14 @@ static int map_lookup_elem(union bpf_attr *attr)
> if (!value)
> goto free_key;
>
> + if (map->map_type == BPF_MAP_TYPE_BLOOM_FILTER) {
> + if (copy_from_user(value, uvalue, value_size))
> + err = -EFAULT;
> + else
> + err = bpf_map_copy_value(map, key, value, attr->flags);
> + goto free_value;
> + }
> +
Applied to bpf-next.
I couldn't find where lookup from user space is tested.
Please follow up with an extra test if that's the case.
