From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8BA4F63117; Tue, 13 Feb 2024 00:21:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707783708; cv=none; b=pDoJAdIYD/k1xh2rAjLEECWdZnNxL/FU5YzOaxRiuZKCrCeCVFw94FrkWeS8F6gY1iWwBQBS+j7lQb1oIfO6HE5Zn2a5PN4QZAd6M6QNLIHXZiIK51rRNz8uZQ7oLzbaGog+OpOG7TplhVloC2U/GBCEQdNSZPX4SH4aGEorfwo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707783708; c=relaxed/simple; bh=w1jwcGRF9vZAy4gnFzNIyEL76DACT7ggXyEpj6J6IwY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nd5hUJldVWVW/Fdx4dXjSbGVzWTKIxe0wkaIOpcwPAloi8Pu8r64hlexkzKgyZxh85HiVg2lhdzYnMCjdE1WsUKR6YeJOMj50Dse7LKx7M48ajTBuuZ69V0CwAyUfDMjnukNFFcCTii2PPQx5Ta0ytRexocwnY/fqJM/vvHZIRc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u+255kJY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="u+255kJY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65715C43399; Tue, 13 Feb 2024 00:21:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707783708; bh=w1jwcGRF9vZAy4gnFzNIyEL76DACT7ggXyEpj6J6IwY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u+255kJYWRhDAHbVL6RseVSV2MjSybKMNwBMBEH77W53kxSIlroyi1Z3vymXQ9f7V JxZDpgqErYpN5wRyAHShASLYG469YlwtYewCfd5PQtsf0kCVuh3zzgFIxtTIqpNQGu cUhBhMri+5729tQ/U9GplMSX3coAfLzOM0+E5AawBKOXR7sBU8E00+NSbWF47vpn/1 CV99VqYY1DxTnGjvJ95t7W2P7r4y+H0poKc/dtHc/76Z/4fQrDZrOdUJOKmjzKajNP 40+J1gQFUNkP6BAiKCyEktuWPT7ooyOqd8MM5APSM9qDvL1p7/+73g2+7mUDJcOc4t pH2rHPR5gc4rA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kees Cook , kernel test robot , Huacai Chen , WANG Xuerui , Vincenzo Frascino , Nathan Chancellor , Masahiro Yamada , Fangrui Song , loongarch@lists.linux.dev, Huacai Chen , Sasha Levin , git@xen0n.name, guoren@kernel.org, rmk+kernel@armlinux.org.uk, chenfeiyang@loongson.cn, zhangqing@loongson.cn Subject: [PATCH AUTOSEL 6.6 36/51] LoongArch: vDSO: Disable UBSAN instrumentation Date: Mon, 12 Feb 2024 19:20:13 -0500 Message-ID: <20240213002052.670571-36-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240213002052.670571-1-sashal@kernel.org> References: <20240213002052.670571-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.16 Content-Transfer-Encoding: 8bit From: Kees Cook [ Upstream commit cca5efe77a6a2d02b3da4960f799fa233e460ab1 ] The vDSO executes in userspace, so the kernel's UBSAN should not instrument it. Solves these kind of build errors: loongarch64-linux-ld: arch/loongarch/vdso/vgettimeofday.o: in function `vdso_shift_ns': lib/vdso/gettimeofday.c:23:(.text+0x3f8): undefined reference to `__ubsan_handle_shift_out_of_bounds' Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202401310530.lZHCj1Zl-lkp@intel.com/ Cc: Huacai Chen Cc: WANG Xuerui Cc: Vincenzo Frascino Cc: Nathan Chancellor Cc: Masahiro Yamada Cc: Fangrui Song Cc: loongarch@lists.linux.dev Signed-off-by: Kees Cook Signed-off-by: Huacai Chen Signed-off-by: Sasha Levin --- arch/loongarch/vdso/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile index 5c97d1463328..4305d99b3313 100644 --- a/arch/loongarch/vdso/Makefile +++ b/arch/loongarch/vdso/Makefile @@ -2,6 +2,7 @@ # Objects to go into the VDSO. KASAN_SANITIZE := n +UBSAN_SANITIZE := n KCOV_INSTRUMENT := n # Include the generic Makefile to check the built vdso. -- 2.43.0