Re: [PATCH] libertas: Use struct_group() for memcpy() region

[Kalle Valo]

Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> intentionally writing across neighboring fields.
> 
> Use struct_group() in struct txpd around members tx_dest_addr_high
> and tx_dest_addr_low so they can be referenced together. This will
> allow memcpy() and sizeof() to more easily reason about sizes, improve
> readability, and avoid future warnings about writing beyond the end
> of queue_id.
> 
> "pahole" shows no size nor member offset changes to struct txpd.
> "objdump -d" shows no object code changes.
> 
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

Patch applied to wireless-drivers-next.git, thanks.

5fd32ae0433a libertas: Use struct_group() for memcpy() region

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20211118184104.1283637-1-keescook@xxxxxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches