linux-kernel - Re: [PATCH v2 0/2] Rust KCFI support

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Message-ID: <20241126091934.GP39245@noisy.programming.kicks-ass.net>
Date: Tue, 26 Nov 2024 10:19:34 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas@...sle.eu>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Miguel Ojeda <ojeda@...nel.org>, Kees Cook <kees@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wedson Almeida Filho <wedsonaf@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...sung.com>,
	Matthew Maurer <mmaurer@...gle.com>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
	scott.d.constable@...el.com
Subject: Re: [PATCH v2 0/2] Rust KCFI support

On Thu, Aug 01, 2024 at 01:35:16PM +0000, Alice Ryhl wrote:
> The control flow integrity (kCFI) sanitizer is an important sanitizer
> that is often used in production. This patch series makes it possible to
> use kCFI and Rust together.

So about this -- there's a proposal for a modification to kCFI here:

  https://github.com/llvm/llvm-project/pull/117121

And Sami notes that this would break this Rust thing. Assuming all the
relevant crabs are present on this thread, could you please comment?