linux-kernel - Re: [PATCH] hwmon: Annotate struct gsc_hwmon_platform_data with __counted

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Message-Id: <169662429066.2155323.3293633131737633450.b4-ty@chromium.org>
Date:   Fri,  6 Oct 2023 13:31:32 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Tim Harvey <tharvey@...eworks.com>,
        Kees Cook <keescook@...omium.org>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] hwmon: Annotate struct gsc_hwmon_platform_data with __counted_by

On Fri, 22 Sep 2023 10:50:53 -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 gsc_hwmon_platform_data.
> 
> [...]

Since this is a trivial change and it's been 2 week without further
discussion, I'll snag this patch.

Applied to for-next/hardening, thanks!

[1/1] hwmon: Annotate struct gsc_hwmon_platform_data with __counted_by
      https://git.kernel.org/kees/c/e909028ba701

Take care,

-- 
Kees Cook