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 5CCA6175C91; Fri, 29 Mar 2024 12:35:34 +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=1711715734; cv=none; b=pbER57WKuOHk5KUXZY8AVAspYHQr6Q5rCbmNvFD4+nIbI3iiGGpXI0JzX+57Gh68nnJeJWu5TtijqtLpODbCZcyVSSY0mRbT+JO62RX9jx4eiI2JjBdEo9H8VfIHqhn3NQzx9xS5jZDmwVTIbn/1ayB/cnj6qrRC+LgN5vEVTkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711715734; c=relaxed/simple; bh=e6smQi1YdhW/dUGgauSLAn2658GEXnwU88IsD3J1bTI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CFQFU60nWOJkoXN6/Tu+5camdz/ePMTdgxqbVQD0USYPl7XQhVNwHv3NUoinMO8e34p0VhR0dkIWbpfBZ6jRJ69NXOG0oCsLv6yLy467jThtY15+SueeaPVETFZ+q6E+Pg/ltdYrs07yFU/mCr5HsObybgMk3I0LIDqYfpPRXLE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BuzacE92; 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="BuzacE92" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A8F7C43394; Fri, 29 Mar 2024 12:35:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711715733; bh=e6smQi1YdhW/dUGgauSLAn2658GEXnwU88IsD3J1bTI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BuzacE92nKLYwcnW9ZkKLYvpfLltMCWiOz/KXOV4OLKBc4IVxUr+PM4mGbUIdFTBT LnFBGoJMOVDk7TUoiEsCi+4rD8KXYaLhLafcZimZEVkCOV2EiDJywwUpI0inYPVmiJ xbaYYerT4hCriTv+pGP9ce/srr+2C68rRgjmf7Yhfhb/UElmkAJ2rkdzBM2/2/ZGmJ UbZusczMImra//7N07MLlSD6AVlZY1bBPU1K+PPA98O3RT5ePMNWr+pas7L4D0106p 29Zr3Fi1Tn6h6hE4ij2NeeSdCHR7YbGLSXqMwpIua/3rrS7P3mrIGxv1+bdRm5q5W9 QTh4nQ20ZZ8uA== 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, rmk+kernel@armlinux.org.uk, deller@gmx.de, catalin.marinas@arm.com, sparclinux@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 06/11] sparc: vdso: Disable UBSAN instrumentation Date: Fri, 29 Mar 2024 08:35:12 -0400 Message-ID: <20240329123522.3086878-6-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329123522.3086878-1-sashal@kernel.org> References: <20240329123522.3086878-1-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 4.19.311 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 dc85570d88395..4fa1cb1a67fca 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -1,6 +1,7 @@ # # Building vDSO images for sparc. # +UBSAN_SANITIZE := n KBUILD_CFLAGS += $(DISABLE_LTO) -- 2.43.0