linux-hardening - Re: [PATCH] hardening: Require clang 20.1.0 for __counted

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Message-ID: <20250812212318.GD532342@ax162>
Date: Tue, 12 Aug 2025 14:23:18 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: Kees Cook <kees@...nel.org>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	linux-hardening@...r.kernel.org, llvm@...ts.linux.dev,
	patches@...ts.linux.dev
Subject: Re: [PATCH] hardening: Require clang 20.1.0 for __counted_by

On Tue, Aug 12, 2025 at 06:28:29PM +0200, Alexander Lobakin wrote:
> Aaah okay, I didn't know that, thanks!

https://discourse.llvm.org/t/rfc-llvm-releases-every-two-weeks/84245 has
some more information about that recent change if you or anyone else is
interested.

> BTW 21-rc1 was released roughly a month ago, does this mean that 20.x is
> already unsupported?

Correct, LLVM 20.1.8 was the last release for release/20.x.

Cheers,
Nathan