linux-kernel - [PATCH v4 2/4] rust: kasan: Rust does not support KHWASAN

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Message-ID: <20240820194910.187826-3-mmaurer@google.com>
Date: Tue, 20 Aug 2024 19:48:57 +0000
From: Matthew Maurer <mmaurer@...gle.com>
To: andreyknvl@...il.com, ojeda@...nel.org, 
	Alex Gaynor <alex.gaynor@...il.com>, Wedson Almeida Filho <wedsonaf@...il.com>, 
	Petr Mladek <pmladek@...e.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	Masahiro Yamada <masahiroy@...nel.org>, Yoann Congal <yoann.congal@...le.fr>, 
	Kees Cook <keescook@...omium.org>, Randy Dunlap <rdunlap@...radead.org>, 
	Andrea Parri <parri.andrea@...il.com>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, 
	Vincent Guittot <vincent.guittot@...aro.org>
Cc: dvyukov@...gle.com, aliceryhl@...gle.com, samitolvanen@...gle.com, 
	kasan-dev@...glegroups.com, linux-mm@...ck.org, glider@...gle.com, 
	ryabinin.a.a@...il.com, Matthew Maurer <mmaurer@...gle.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>, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org
Subject: [PATCH v4 2/4] rust: kasan: Rust does not support KHWASAN

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