linux-kernel - Re: [PATCH v3 3/4] rust: kasan: Rust does not support KHWASAN

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Message-ID: <CA+fCnZcN9BSvhj3iQNVAiudkMFg3kCPBgDJQoJshx3BJx3N2qQ@mail.gmail.com>
Date: Tue, 20 Aug 2024 19:30:53 +0200
From: Andrey Konovalov <andreyknvl@...il.com>
To: Matthew Maurer <mmaurer@...gle.com>
Cc: dvyukov@...gle.com, ojeda@...nel.org, Alex Gaynor <alex.gaynor@...il.com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, Petr Mladek <pmladek@...e.com>, 
	Masahiro Yamada <masahiroy@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	Yoann Congal <yoann.congal@...le.fr>, Kees Cook <keescook@...omium.org>, 
	Randy Dunlap <rdunlap@...radead.org>, Alice Ryhl <aliceryhl@...gle.com>, 
	"Gustavo A. R. Silva" <gustavoars@...nel.org>, Vincent Guittot <vincent.guittot@...aro.org>, 
	samitolvanen@...gle.com, kasan-dev@...glegroups.com, linux-mm@...ck.org, 
	glider@...gle.com, ryabinin.a.a@...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>, 
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v3 3/4] rust: kasan: Rust does not support KHWASAN

On Mon, Aug 19, 2024 at 11:35 PM Matthew Maurer <mmaurer@...gle.com> wrote:
>
> Rust does not yet have support for software tags. Prevent RUST from
> being selected if KASAN_SW_TAGS is enabled.
>
> Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
> ---
>  init/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/init/Kconfig b/init/Kconfig
> index 72404c1f2157..a8c3a289895e 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1907,6 +1907,7 @@ config RUST
>         depends on !GCC_PLUGINS
>         depends on !RANDSTRUCT
>         depends on !DEBUG_INFO_BTF || PAHOLE_HAS_LANG_EXCLUDE
> +       depends on !KASAN_SW_TAGS
>         help
>           Enables Rust support in the kernel.
>
> --
> 2.46.0.184.g6999bdac58-goog
>

Reviewed-by: Andrey Konovalov <andreyknvl@...il.com>