From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD1753DB336; Thu, 16 Jul 2026 14:21:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211685; cv=none; b=MT580jpoSPdridlRSyP1pyt2QqDy1aEjfnZNjyqMLZAJkXiUt7dtQLz+w3SrSAg44heDf4Z09EQsqzCgsXc2dKT/KJ4wiPfffkX6+aHO7zrptbVn4SYPqwA0KXb/1jCVC8xA8EbQ5I/st3chBQUe8ezmGgfGVQGfgQOz4PiLwTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211685; c=relaxed/simple; bh=YUCmkcOE2XIZBvVZjTbDywPq4VMinojAfjlXPANSmjE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AAWfaHn3jzsaZi3EQbj9QieLXPyAe1cOMFm6oWUNzit0/ZUz+AnORL32ock2H1CrtAxmKwHFtB3FACrd7ogkXHGFPk3IVPK9If5R5oPrTEncXZy2wGyDZ5Z8sikUVuQD2yigW9BXEu48JeY1qVTNtxw14z5NYkPByef85kgp4RY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SQwRoxm3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SQwRoxm3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F6031F000E9; Thu, 16 Jul 2026 14:21:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784211684; bh=JyJOspfEXuatUhyAiPUZki7nLuOV59U5dLcmdG5H8Eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SQwRoxm3C5W07BrOCkveQ7IeJRCy5P/NNUkb3kmBtyxwbBESc6Yr6ANXz6DnYgucM RGEhUgc7DJj6zlMggyiD8/tUqNb2y0i1sfDYwFXzSFPFaKRc1KJEjcJMFOQZ2VQ7t+ ZlVzO9KYMyDaZmNqDTQzzZ3rX6N/BxEy8gKEyRvA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alice Ryhl , Gary Guo , Miguel Ojeda , Sasha Levin Subject: [PATCH 6.12 040/349] rust: kasan: KASAN+RUST requires clang Date: Thu, 16 Jul 2026 15:29:34 +0200 Message-ID: <20260716133034.218085151@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260716133033.287196923@linuxfoundation.org> References: <20260716133033.287196923@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alice Ryhl [ Upstream commit 5b271543d0f08e9733d4732721e960e285f6448f ] Kernel KASAN involves passing various llvm/gcc specific arguments to the C and Rust compiler. Since these arguments differ between llvm and gcc, it's not safe to mix an llvm-based rustc with a gcc build when kasan is enabled. Signed-off-by: Alice Ryhl Reviewed-by: Gary Guo Cc: stable@vger.kernel.org Fixes: e3117404b411 ("kbuild: rust: Enable KASAN support") Link: https://patch.msgid.link/20260408-kasan-rust-sw-tags-v3-1-e07964d14363@google.com Signed-off-by: Miguel Ojeda Signed-off-by: Sasha Levin --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/init/Kconfig b/init/Kconfig index f4b91b1857bf86..53eba5cd88ff51 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1974,6 +1974,7 @@ config RUST depends on !CFI_CLANG || HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC select CFI_ICALL_NORMALIZE_INTEGERS if CFI_CLANG depends on !CALL_PADDING || RUSTC_VERSION >= 108100 + depends on !KASAN || CC_IS_CLANG depends on !KASAN_SW_TAGS depends on !(MITIGATION_RETHUNK && KASAN) || RUSTC_VERSION >= 108300 help -- 2.53.0