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Message-Id: <169662407189.2154681.1298231079393484992.b4-ty@chromium.org>
Date: Fri, 6 Oct 2023 13:27:57 -0700
From: Kees Cook <keescook@...omium.org>
To: Michael Tretter <m.tretter@...gutronix.de>,
Kees Cook <keescook@...omium.org>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-media@...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] media: allegro: Annotate struct mcu_msg_push_buffers_internal with __counted_by
On Fri, 22 Sep 2023 10:49:36 -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 mcu_msg_push_buffers_internal.
>
> [...]
Since this is a trivial change and it's been 2 week without further
discussion, I'll snag this patch.
Applied to for-next/hardening, thanks!
[1/1] media: allegro: Annotate struct mcu_msg_push_buffers_internal with __counted_by
https://git.kernel.org/kees/c/63eed8dcdf49
Take care,
--
Kees Cook
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