linux-hardening - Re: [PATCH] soc: qcom: smem: Annotate struct qcom_smem with __counted

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Date: Wed, 27 Sep 2023 17:34:04 -0700
From: Bjorn Andersson <andersson@...nel.org>
To: Andy Gross <agross@...nel.org>,
	Kees Cook <keescook@...omium.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Tom Rix <trix@...hat.com>,
	linux-arm-msm@...r.kernel.org,
	llvm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH] soc: qcom: smem: Annotate struct qcom_smem with __counted_by


On Fri, 22 Sep 2023 10:54:14 -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 qcom_smem.
> 
> [...]

Applied, thanks!

[1/1] soc: qcom: smem: Annotate struct qcom_smem with __counted_by
      commit: 433ce46a97116f431ee114b4607143860aad4054

Best regards,
-- 
Bjorn Andersson <andersson@...nel.org>