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Message-ID: <ZRhO3noTd/bDWjFy@google.com>
Date: Sat, 30 Sep 2023 09:37:50 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Kees Cook <keescook@...omium.org>
Cc: linux-input@...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] Input: Annotate struct input_leds with __counted_by

On Fri, Sep 22, 2023 at 10:50:32AM -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_leds.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Cc: linux-input@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>

Applied, thank you.

-- 
Dmitry

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