Re: [PATCH] i3c: svc: Annotate struct svc_i3c_xfer with __counted_by

From: Miquel Raynal
Date: Fri Sep 22 2023 - 13:58:16 EST


Hi,

keescook@xxxxxxxxxxxx wrote on Fri, 22 Sep 2023 10:50:23 -0700:

> 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 checking via CONFIG_UBSAN_BOUNDS
> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
>
> As found with Coccinelle[1], add __counted_by for struct svc_i3c_xfer.
>
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>
> Cc: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> Cc: Conor Culhane <conor.culhane@xxxxxxxxxxx>
> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Cc: linux-i3c@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

Thanks,
Miquèl