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 8B9A3130AC8; Fri, 29 Mar 2024 12:31:17 +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=1711715477; cv=none; b=K8tVv/86EIJ0pxRAZFrAXcU1k1I57QhWqOuhSx3qfeWqMbJAKwTEAmxkEUcqX3OkXAlnhrCyz8mpLWG+tTTXEZ58NYOXoiN0W4swNpWSZlzmufI0or1zHE2jSKc08hxuu3zqsmWShqiTgcT1zx/NQnbxn+gS0B3WsGHwIG1A4N8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711715477; c=relaxed/simple; bh=9/XAL1SYI5dLknafqQdBszisijdv3UzkDC/FsG7+PU0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GRnALQQ5gomqSHJj0qbOa6BYHP8tiIXN/F4cqB2Qg54k/z2rPJJmNFGgRRBDRBiMXhOs8xz9J5ztT5N5836yswn2IzF4i9c985yWoQnyXNK96kRsXZf7cqw7p69/+SwMeEGRwNRuGJ/IpJv2Sx6ehpM+r6VZoskIrh4PB8amuxs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BLggrX5G; 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="BLggrX5G" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 459A8C433C7; Fri, 29 Mar 2024 12:31:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711715477; bh=9/XAL1SYI5dLknafqQdBszisijdv3UzkDC/FsG7+PU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BLggrX5GN7653gXp6LsedXOk95S+Rx9ZAYuHtgpfK/sbmNixkLSdugeLRWTI3IdEl rw/oXHn1SUqWQzSkTHqnH3eHgSGYJo8+h7EEc1K4xFZ+ziB+QuyQe3xDNXhv5bjGSw QvRcFavryZlG0JJVafReMO8VUkIT6jyazXpm45HEOWuqAF9y0GCPkn9gXMVHCt15Ju EqHCiWskIsICDtCWEickEXlsDIQSiKcjbivBJetXTPGnd+tnxgnd93pHMDdr04d5J3 U1Pk+xe7WBn/+D6IuxgeNnVle4rH2YLk2WelMIrfuYOKIuXkp8+TQkB0yLQ4Z6EwAv wXB2g5O2dgFBg== 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, guoren@kernel.org, rmk+kernel@armlinux.org.uk, sparclinux@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 38/52] sparc: vdso: Disable UBSAN instrumentation Date: Fri, 29 Mar 2024 08:29:08 -0400 Message-ID: <20240329122956.3083859-38-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329122956.3083859-1-sashal@kernel.org> References: <20240329122956.3083859-1-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 6.6.23 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 77d7b9032158c..cb046b9d1eddc 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