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Message-ID: <9c82fe377e9d778d3a5a3de967a3706e.sboyd@kernel.org>
Date:   Tue, 22 Aug 2023 14:00:19 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Bjorn Andersson <andersson@...nel.org>,
        Kees Cook <keescook@...omium.org>
Cc:     Kees Cook <keescook@...omium.org>, Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...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] clk: qcom: clk-spmi-pmic-div: Annotate struct spmi_pmic_div_clk_cc with __counted_by

Quoting Kees Cook (2023-08-17 13:29:42)
> 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 spmi_pmic_div_clk_cc.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Bjorn Andersson <andersson@...nel.org>
> Cc: Andy Gross <agross@...nel.org>
> Cc: Konrad Dybcio <konrad.dybcio@...aro.org>
> Cc: Michael Turquette <mturquette@...libre.com>
> Cc: Stephen Boyd <sboyd@...nel.org>
> Cc: linux-arm-msm@...r.kernel.org
> Cc: linux-clk@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---

Applied to clk-next

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