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 343142FFDE1; Thu, 16 Jul 2026 14:02:46 +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=1784210567; cv=none; b=JhqqWMe3S1alMdZBHgCF1JXabiHI9OLMOitL4vW8InzHs5odPm51C2JPfsN6XD2flHzNw6yiWEOmYPklEuziyMRCA15K0VWzfJ7LD6Er38dND3tL2s/z1dniQlyMg+Au/+wnJgcZcbvu/ABYdYS5PFs2pHiGpd8Gcf9f1fTxjz0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784210567; c=relaxed/simple; bh=W2sXNCcIF/HfFkqkQliuLWOjDFxjcFeBjEzwmahepjE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pXMl55qTSQrjslcqvzPVNpxAFuIxfv5XbVfiXZXrOvm6l7Lp07EOExy9Azp4P1QeWFlaP1faujM56z1Bywiy2YKA+CJ8fswqWXwKbHWcTR1uSEbExTH32CxDrJsyIUQry8gdp7gJo4LfdFbiWNH3zpLxFzw2pEaIfU4r/ZoxtFw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=V7CKaLvY; 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="V7CKaLvY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 990AA1F000E9; Thu, 16 Jul 2026 14:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784210566; bh=jgLyeg2t7ho//JqIIOX7hHhWUHzBruD5ePXKudWOuCM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=V7CKaLvYwJGea8gqrtRYWQnbI+XrF4hnntCnvsM+Hb0dl6CH7wOevyamBwG9NPl6k ShB/I4c4LYqV2HWajuIpjZp8rsmuTUSykJ+fCHbws33gkI3d2FTm7HEVvSfUHf1Z90 hUlp2g5FpEfWSDHTUvBOBhgAV8Ufk2ZkJ0JvEhTw= 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 6.18 043/480] rust: kasan: KASAN+RUST requires clang Date: Thu, 16 Jul 2026 15:26:30 +0200 Message-ID: <20260716133045.635557779@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260716133044.672218725@linuxfoundation.org> References: <20260716133044.672218725@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 6.18-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 cab3ad28ca49e7..0c25e78e10f47e 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 -- 2.53.0