Hi,
On Wed, May 01, 2024 at 07:01:22PM +0200, Erick Archer wrote:
> Prepare for the coming implementation by GCC and Clang of the
> __counted_by attribute. Flexible array members annotated with
> __counted_by can have their accesses bounds-checked at run-time via
> CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE
> (for strcpy/memcpy-family functions).
>
> Suggested-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: Erick Archer <erick.archer@xxxxxxxxxxx>
> ---
> include/uapi/linux/sctp.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
> index b7d91d4cf0db..836173e73401 100644
> --- a/include/uapi/linux/sctp.h
> +++ b/include/uapi/linux/sctp.h
> @@ -1007,7 +1007,7 @@ enum sctp_sstat_state {
> */
> struct sctp_assoc_ids {
> __u32 gaids_number_of_ids;
> - sctp_assoc_t gaids_assoc_id[];
> + sctp_assoc_t gaids_assoc_id[] __counted_by(gaids_number_of_ids);
> };
>
> /*
Friendly ping: who can take this, please?
Regards,
Erick
