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Date: Fri, 13 Oct 2023 20:04:40 -0700
From: Dmitry Torokhov <>
To: Kees Cook <>
Cc: "Gustavo A. R. Silva" <>,,,
	Nathan Chancellor <>,
	Nick Desaulniers <>,
	Tom Rix <>,,
Subject: Re: [PATCH] Input: Annotate struct ff_device with __counted_by

On Fri, Oct 06, 2023 at 01:17:39PM -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 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 ff_device.
> Cc: Dmitry Torokhov <>
> Cc: "Gustavo A. R. Silva" <>
> Cc:
> Cc:
> Link: [1]
> Signed-off-by: Kees Cook <>

Applied, thank you.


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