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Message-ID: <0981d982-45db-d069-e26b-801b67ad1ae3@kernel.org>
Date:   Mon, 25 Sep 2023 09:03:29 +0200
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Subject: Re: [PATCH] libata: Annotate struct ata_cpr_log with __counted_by
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To:     Kees Cook <keescook@chromium.org>
Cc:     linux-ide@vger.kernel.org, Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>, linux-kernel@vger.kernel.org,
        llvm@lists.linux.dev, linux-hardening@vger.kernel.org
References: <20230922175210.work.239-kees@kernel.org>
From:   Damien Le Moal <dlemoal@kernel.org>
Organization: Western Digital Research
In-Reply-To: <20230922175210.work.239-kees@kernel.org>
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On 2023/09/22 19:52, 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 ata_cpr_log.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Damien Le Moal <dlemoal@kernel.org>
> Cc: linux-ide@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Applied to for-6.7. Thanks !

-- 
Damien Le Moal
Western Digital Research