Hi Arnd,
On Tue, 6 Jan 2026 at 16:38, Arnd Bergmann <[email protected]> wrote:
> --- a/include/uapi/linux/rseq.h
> +++ b/include/uapi/linux/rseq.h
> @@ -142,9 +142,13 @@ struct rseq {
> __u32 mm_cid;
>
> /*
> - * Flexible array member at end of structure, after last feature
> field.
> + * Flexible array member at end of structure, after last feature
> field,
> + * but overlapping with the padding.
> */
> - char end[];
> + union {
> + __u32 :32;
> + __DECLARE_FLEX_ARRAY(char, end);
> + };
After commit d6200245c75e832a ("rseq: Allow registering RSEQ with
slice extension"), the padding must be removed again.
> } __attribute__((aligned(4 * sizeof(__u64))));
>
> #endif /* _UAPI_LINUX_RSEQ_H */
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
