linux-kernel - Re: [PATCH] drivers: thermal: tsens: Annotate struct tsens_priv with __counted

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Message-Id: <169662486916.2156024.11406030732291665443.b4-ty@chromium.org>
Date:   Fri,  6 Oct 2023 13:41:09 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Andy Gross <agross@...nel.org>, Kees Cook <keescook@...omium.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, 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] drivers: thermal: tsens: Annotate struct tsens_priv with __counted_by

On Fri, 22 Sep 2023 10:53:41 -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 tsens_priv.
> 
> [...]

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] drivers: thermal: tsens: Annotate struct tsens_priv with __counted_by
      https://git.kernel.org/kees/c/aa0a14629c2d

Take care,

-- 
Kees Cook