Re: [PATCH] crypto: qat: Annotate struct adf_fw_counters with __counted_by

From: Giovanni Cabiddu
Date: Fri Sep 29 2023 - 15:00:03 EST


On Fri, Sep 22, 2023 at 10:54:33AM -0700, Kees Cook 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 adf_fw_counters.
>
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>
> Cc: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> Cc: Tom Rix <trix@xxxxxxxxxx>
> Cc: Adam Guerin <adam.guerin@xxxxxxxxx>
> Cc: Lucas Segarra Fernandez <lucas.segarra.fernandez@xxxxxxxxx>
> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Cc: qat-linux@xxxxxxxxx
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> Cc: llvm@xxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>