linux-hardening - Re: [PATCH][next] media: venus: hfi_cmds: Replace one-element array with flex-array member and use __counted

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Message-ID: <20240109132831.GD1012017@google.com>
Date: Tue, 9 Jan 2024 22:28:31 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>,
	Kees Cook <keescook@...omium.org>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
	Vikash Garodia <quic_vgarodia@...cinc.com>,
	Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] media: venus: hfi_cmds: Replace one-element array
 with flex-array member and use __counted_by

On (24/01/09 07:17), Gustavo A. R. Silva wrote:
> 
> > Sorry for shameless plug, a quick question: has any compiler implemented
> > support for counted_by() at this point?
> > 
> 
> Not yet. And at least for GCC, it's expected to be released in v15.

I see. Thank you.

I got confused by include/linux/compiler_attributes.h comment, as I'm on
clang-18 currently, seems that we need to bump min compilers version.
Oh, and clang link 404-s on me. I'll send a quick patch, I guess.