linux-kernel - Re: [PATCH libcrypto v2 2/3] compiler: introduce at_least parameter decoration pseudo keyword

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Message-ID: <20251122191912.GA5803@quark>
Date: Sat, 22 Nov 2025 11:19:12 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
	Ard Biesheuvel <ardb@...nel.org>, Kees Cook <kees@...nel.org>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH libcrypto v2 2/3] compiler: introduce at_least parameter
 decoration pseudo keyword

On Thu, Nov 20, 2025 at 02:10:21AM +0100, Jason A. Donenfeld wrote:
> Clang and recent gcc support warning if they are able to prove that the
> user is passing to a function an array that is too short in size. For
> example:

(Replying to this patch since there is no cover letter.  In the future,
please include a cover letter when sending a multi-patch series.)

I've applied this series to
https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next

In case it gets bikeshedded further, I merged it in on a separate
branch, and I'll plan to send it in its own pull request.

Thanks!

- Eric