From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFD7AC43331 for ; Wed, 13 Nov 2019 02:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBC9421783 for ; Wed, 13 Nov 2019 02:06:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610812; bh=wuFV/Q3pP6kDQ8IyS7nsyXbODbwVXLDPUfz79SNORZk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jHD7N2mWlmkGSnFpzRidyZRmgVUK/JnfUOENqNjsFqYxpY3lBDGONN7p3UxWWA7P5 /A/cMD+gxcaGLB21WUueSCk6O9m9DyPJfC6SUfja+ErEp9a2g6LahUgEsNmJeHqfm1 jChUDQY4odJg5npufxVYWCHJpPpEmYN/6VWiDmC8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730812AbfKMCGv (ORCPT ); Tue, 12 Nov 2019 21:06:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:56722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729120AbfKMCBC (ORCPT ); Tue, 12 Nov 2019 21:01:02 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 83F5A22473; Wed, 13 Nov 2019 02:01:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610462; bh=wuFV/Q3pP6kDQ8IyS7nsyXbODbwVXLDPUfz79SNORZk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BvL63daX7jWUgyVMHhCLoE1mt1ZEulQIceIWFhRpfLw0mUE6pjdvSsUEVB/jAMQDW UaWPGBOovs6fpq8BICcwdW80awUzylsePgxY7cTNeTBeocq++7Gf0jePHE9hQQVLwS 99sjfCUdpt6NlfJ8unChhxfVdm8uO443a4iBfFGQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Vasily Gorbik , Martin Schwidefsky , Sasha Levin , linux-s390@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 50/68] s390/kasan: avoid vdso instrumentation Date: Tue, 12 Nov 2019 20:59:14 -0500 Message-Id: <20191113015932.12655-50-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191113015932.12655-1-sashal@kernel.org> References: <20191113015932.12655-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vasily Gorbik [ Upstream commit 348498458505e202df41b6b9a78da448d39298b7 ] vdso is mapped into user space processes, which won't have kasan shodow mapped. Reviewed-by: Martin Schwidefsky Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky Signed-off-by: Sasha Levin --- arch/s390/kernel/vdso32/Makefile | 3 ++- arch/s390/kernel/vdso64/Makefile | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile index ca7c3c34f94ba..2bb3a255e51a4 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -24,9 +24,10 @@ obj-y += vdso32_wrapper.o extra-y += vdso32.lds CPPFLAGS_vdso32.lds += -P -C -U$(ARCH) -# Disable gcov profiling and ubsan for VDSO code +# Disable gcov profiling, ubsan and kasan for VDSO code GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n # Force dependency (incbin is bad) $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 84af2b6b64c42..76c56b5382be9 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -24,9 +24,10 @@ obj-y += vdso64_wrapper.o extra-y += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) -# Disable gcov profiling and ubsan for VDSO code +# Disable gcov profiling, ubsan and kasan for VDSO code GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n # Force dependency (incbin is bad) $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so -- 2.20.1