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 643E116DA30; Fri, 29 Mar 2024 12:49:37 +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=1711716577; cv=none; b=rO4huqE3nKVylPy6fhbRubTU8YDUk40gEIOM2LMah4QSxF4rZYVO+CYqvkA1poIreINe099BoDOyuiXtml7OLP5aT6asKtXggHC1xEwVs+JCSOqoRSuzwFcpzeBOsf4QNrEAeEtnmtkqaLBVUQq/usgikCYa22JlEUocBPvQ/Oc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711716577; c=relaxed/simple; bh=z3XiLMh0cK+G0ZnTWiXCzpuT2OM6i7XU0zkUIoZQdhc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D3QSpu/KcBNrL5okByBdt+mD5GXpUW3tmqyVW3c39T1NbD9AlszNiGxzBgvGKU7Jy0ys8cQwptodBq9x1X5OgrMnDyBwVpsTKFyujmDzEqNCnObOkCVT+rMcnCnpWybh1mB2CK+gpHP8jpzkeXkmGKKqRn2op8Ua2KRjWIlWt/Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GoOTRZCh; 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="GoOTRZCh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE4BCC43399; Fri, 29 Mar 2024 12:49:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711716576; bh=z3XiLMh0cK+G0ZnTWiXCzpuT2OM6i7XU0zkUIoZQdhc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GoOTRZChAdreNmHiizKZyOZri12b9vAPbCUemkp0cZ/AZjZH9RKZP+gb6YJ3Jyl39 UnLFQRirzYXrV24gFJ+Ge7Ixx38Ag6HrrUSQ9EoIKUBF0JR81W8kpQd0cIHEuKZNQ4 aMOPYqeFKoExRu2FnmhhNo36Odjih1Af+j+TdZb78OCqXXMoAUvwYb6hhpzcw6eRme GjV/w+4XO0A5hAaV0QXEYf10d5djjG67KH45+lQcKvP80bkBur8uaL01yCaPz94tmZ IO626ivFvLf4438I3PxCKsHijzWDyEcGB191qxMPv98anpEjFCt6wQgxPsIpnGaPhA RdhLWOGMomhow== 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, deller@gmx.de, sparclinux@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 19/31] sparc: vdso: Disable UBSAN instrumentation Date: Fri, 29 Mar 2024 08:48:36 -0400 Message-ID: <20240329124903.3093161-19-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329124903.3093161-1-sashal@kernel.org> References: <20240329124903.3093161-1-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