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 ABC363E3C76 for ; Thu, 9 Jul 2026 17:59:57 +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=1783619998; cv=none; b=IDeaS8lo+dzJVrGUTH7Lnp84ipjm3RTUEN0HsT+8CCcP8TDlOcHcPOVRHI+r3esqLnnZ+LBfEj+f0ugZ4icibwwBHZARGvH3v4nR3EEOhoBbdR3tPGfTLTQUuLZ0RL2iv/MkrD5pf3roTE9fJgd1y2NYuNC/NcOlsrYjt7WAviQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783619998; c=relaxed/simple; bh=Dwnl/7hnYHKR4Q+/fzQRUr823KW7zDhCItM5EtKOhuc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oGPqrujICEzICUT7RjavEv7qdL4+EF7psHDD3ntQhZggDR41aYJGM64jQfYuS6lGD4Wl0VqXiClAtEGLQZ0h4aAE9SCMuIr16JD85K9gEuRCNkzh539DF3EfRkY7rjJzHyg8GU19jH39nqpP2bYGCTohCVYT3EDFvAFoG2Xuhsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GnAzZMGQ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GnAzZMGQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E8051F000E9; Thu, 9 Jul 2026 17:59:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783619997; bh=0zlHDmSJAMqrUMHLzeRxG2sbV9Yfgzz4XNx4wY3p8B8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=GnAzZMGQScv5BEIJ6DoaN4eMvB+ZkiLSpJVIcPcqY4WaEB6gaanQcw4OVX1rn70eN 5FZhTPXt87/ozsilBJq0J5Jx0PkFbYCYi3blis6izR0HUW/YnBmXktnR80csySeBpo dAJH1iCVXkUv9k6dONRqvhOBv1NHaWEkaeTWpGFsyN0qTEB0mKTi5NH251pl4NLA1B 3eqTClQBbQyKB9JJPmHkHVEn2zAe7PXrpVxQpkaI8rg6PaMLGACcLfpNEnKzNlE+ac DtCAZ9zJsVxEpvNix903a1X0NMVGIs0hzVmdeZB+MC47/BHxIXNa9hwi3ox30QAU42 x4cbUlUeD51qw== From: Miguel Ojeda To: stable@vger.kernel.org Cc: Alice Ryhl , Gary Guo , Miguel Ojeda Subject: [PATCH 6.18.y] rust: kasan: KASAN+RUST requires clang Date: Thu, 9 Jul 2026 19:59:43 +0200 Message-ID: <20260709175943.129241-1-ojeda@kernel.org> In-Reply-To: <2026070939-ranged-unmapped-3ab9@gregkh> References: <2026070939-ranged-unmapped-3ab9@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Alice Ryhl 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 (cherry picked from commit 5b271543d0f08e9733d4732721e960e285f6448f) Signed-off-by: Miguel Ojeda --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/init/Kconfig b/init/Kconfig index cab3ad28ca49..0c25e78e10f4 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2096,6 +2096,7 @@ config RUST depends on !CFI || HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC select CFI_ICALL_NORMALIZE_INTEGERS if CFI 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 -- 2.55.0