linux-hardening - Re: [PATCH] platform/x86: hp-bioscfg: Annotate struct bios_args with __counted

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Date: Tue, 26 Sep 2023 16:04:59 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Jorge Lopez <jorge.lopez2@...com>, Kees Cook <keescook@...omium.org>
Cc: Hans de Goede <hdegoede@...hat.com>, Mark Gross <markgross@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, 
 Nick Desaulniers <ndesaulniers@...gle.com>, Tom Rix <trix@...hat.com>, 
 platform-driver-x86@...r.kernel.org, llvm@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] platform/x86: hp-bioscfg: Annotate struct bios_args
 with __counted_by

On Fri, 22 Sep 2023 10:54:21 -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 bios_args.
> 
> [...]


Thank you for your contribution, it has been applied to my local
review-ilpo branch. Note it will show up in the public
platform-drivers-x86/review-ilpo branch only once I've pushed my
local branch there, which might take a while.

Once I've run some tests on the review-ilpo branch the patches
there will be added to the platform-drivers-x86/for-next branch
and eventually will be included in the pdx86 pull-request to
Linus for the next merge-window.

The list of commits applied:
[1/1] platform/x86: hp-bioscfg: Annotate struct bios_args with __counted_by
      commit: 55ec81f7517fad09135f65552cea0a3ee84fff30

--
 i.