Re: [PATCH] wifi: brcmfmac: firmware: Annotate struct brcmf_fw_request with __counted_by

[Kalle Valo]

Kees Cook <keescook@xxxxxxxxxxxx> 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 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 brcmf_fw_request.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Arend van Spriel <aspriel@xxxxxxxxx>
> Cc: Franky Lin <franky.lin@xxxxxxxxxxxx>
> Cc: Hante Meuleman <hante.meuleman@xxxxxxxxxxxx>
> Cc: Kalle Valo <kvalo@xxxxxxxxxx>
> Cc: Matthias Brugger <mbrugger@xxxxxxxx>
> Cc: Hector Martin <marcan@xxxxxxxxx>
> Cc: "Alvin Šipraga" <alsi@xxxxxxxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Cc: brcm80211-dev-list.pdl@xxxxxxxxxxxx
> Cc: SHA-cyfmac-dev-list@xxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Reviewed-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> Reviewed-by: Matthias Brugger <mbrugger@xxxxxxxx>

Patch applied to wireless-next.git, thanks.

45aec443bbb0 wifi: brcmfmac: firmware: Annotate struct brcmf_fw_request with __counted_by

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