linux-hardening - Re: [PATCH] i3c: svc: Annotate struct svc_i3c_xfer with __counted

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Date: Mon, 25 Sep 2023 23:37:17 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Miquel Raynal <miquel.raynal@...tlin.com>,
	Kees Cook <keescook@...omium.org>
Cc: Conor Culhane <conor.culhane@...vaco.com>,
	linux-i3c@...ts.infradead.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] i3c: svc: Annotate struct svc_i3c_xfer with __counted_by


On Fri, 22 Sep 2023 10:50:23 -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 svc_i3c_xfer.
> 
> [...]

Applied, thanks!

[1/1] i3c: svc: Annotate struct svc_i3c_xfer with __counted_by
      commit: a8b163e184dede158c94f6392a406ac40a08fb1b

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com