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Date:   Sat, 30 Sep 2023 09:38:11 -0700
From:   Dmitry Torokhov <dmitry.torokhov@gmail.com>
To:     Kees Cook <keescook@chromium.org>
Cc:     linux-input@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
Subject: Re: [PATCH] input: mt: Annotate struct input_mt with __counted_by
Message-ID: <ZRhO828Ml4qpoS60@google.com>
References: <20230922175036.work.762-kees@kernel.org>
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On Fri, Sep 22, 2023 at 10:50:37AM -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 input_mt.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: linux-input@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Applied, thank you.

-- 
Dmitry