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Message-Id: <169566251617.320041.2089067222600486912.b4-ty@chromium.org>
Date:   Mon, 25 Sep 2023 10:21:58 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>,
        Jacek Lawrynowicz <jacek.lawrynowicz@...ux.intel.com>,
        Kees Cook <keescook@...omium.org>
Cc:     Oded Gabbay <ogabbay@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, dri-devel@...ts.freedesktop.org,
        llvm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] accel/ivpu: Annotate struct ivpu_job with __counted_by

On Fri, 22 Sep 2023 10:54:17 -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 ivpu_job.
> 
> [...]

Thanks Stanislaw! I'll take it through my for-next/hardening tree then:

[1/1] accel/ivpu: Annotate struct ivpu_job with __counted_by
      https://git.kernel.org/kees/c/2eabbbb8275b

Take care,

-- 
Kees Cook

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