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 A29EB16F918; Fri, 29 Mar 2024 12:34:27 +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=1711715667; cv=none; b=ITUbw3GLnYfjt22NZhsAqHdAwfRYFXSvMgrYX/5SNOJHsFXuc/qEDtjPiE59Vpi2Pg8dN6UrcB/iP1Q9jVRNEbHZoHQ+bk/QrnsXtzf4nkEVEM8QimLriv7FAV1rQuRQNnurGXY0o1CtEwz1YlJdU6n43SHNROtCp/JjeHo7Qlw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711715667; c=relaxed/simple; bh=z3XiLMh0cK+G0ZnTWiXCzpuT2OM6i7XU0zkUIoZQdhc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EeV8Ja3dQH1glaR8BdAiD76edKVidyMxKeDWrnEHgqn8l8rYjQWuwBGQz/6DSDOKUD9SfzhzEfscA8cLqB0Gj33Z7cLDm498Gn+wTvMITne801AtIoniz6eteCiwn59xwing7d7MPf1PwfRO7Gf3XOcTLV8PQoOwRmA7e7H/Vtk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F8dhTjE3; 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="F8dhTjE3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07478C433C7; Fri, 29 Mar 2024 12:34:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711715667; bh=z3XiLMh0cK+G0ZnTWiXCzpuT2OM6i7XU0zkUIoZQdhc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F8dhTjE3PbiAd+OmOt9wtpvePBEek+dsgnK7IJX6YuBVqUpFsGI/n1ig3YmaI4hDO EMqhjJL7Gv3M7B2RtAJLX63RpGxpctbFW0Cre6FN9RDjHKlj4+rYjRsNOjvSHvsodq 9AsJoniN5VUIs2Nh/T/F6x70Qsq7McQ1oxoo7QhCWJ6Bb4Eq9RJqQs2Vy3Mqqex3qU TWjAtBlDmFVx1nc3ULBEHmxFVi3rRjgsHiZrUEYNlToPi5pbzZ1aRiK4LmPJfDw+JS XswuNfzdOiNh2dudgVLLD/vqbcfZqNFZtphvINaoG//Tz70sflYp9qK7bhYGR9H8oE j7mgq4pagi6yQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kees Cook , Sam Ravnborg , Sasha Levin , davem@davemloft.net, andreas@gaisler.com, masahiroy@kernel.org, catalin.marinas@arm.com, guoren@kernel.org, rmk+kernel@armlinux.org.uk, sparclinux@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 11/17] sparc: vdso: Disable UBSAN instrumentation Date: Fri, 29 Mar 2024 08:33:50 -0400 Message-ID: <20240329123405.3086155-11-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329123405.3086155-1-sashal@kernel.org> References: <20240329123405.3086155-1-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 5.10.214 Content-Transfer-Encoding: 8bit From: Kees Cook [ Upstream commit d4be85d068b4418c341f79b654399f7f0891069a ] The UBSAN instrumentation cannot work in the vDSO since it is executing in userspace, so disable it in the Makefile. Fixes the build failures such as: arch/sparc/vdso/vclock_gettime.c:217: undefined reference to `__ubsan_handle_shift_out_of_bounds' Acked-by: Sam Ravnborg Link: https://lore.kernel.org/all/20240224073617.GA2959352@ravnborg.org Signed-off-by: Kees Cook Signed-off-by: Sasha Levin --- arch/sparc/vdso/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index c5e1545bc5cf9..d0f6487d1e790 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -2,6 +2,7 @@ # # Building vDSO images for sparc. # +UBSAN_SANITIZE := n VDSO64-$(CONFIG_SPARC64) := y VDSOCOMPAT-$(CONFIG_COMPAT) := y -- 2.43.0