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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 59F91C432C0 for ; Fri, 22 Nov 2019 11:07:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 230F120885 for ; Fri, 22 Nov 2019 11:07:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420835; bh=3V4B+5FPwQ+goJN1+z1cIB2n93aSNpU3SDah4sLezHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PU9NXfr2apiouJ3qyVLFtcLhaIZn3yWObL7pK96gifkbI81iDnjDO9Y5jsOrb+Iff JQHrdAyu984UfKaXL/fRrOEMDtFQjzhEt5PCIoQwRTSWmtK6yc5J+HwYHXjbn0+ZAJ sAnUblbJBOI7sPbndh4lgbDRhuq1t/vR1YWPrmrY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731838AbfKVLGS (ORCPT ); Fri, 22 Nov 2019 06:06:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:34358 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731819AbfKVLGO (ORCPT ); Fri, 22 Nov 2019 06:06:14 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5585D2088F; Fri, 22 Nov 2019 11:06:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420773; bh=3V4B+5FPwQ+goJN1+z1cIB2n93aSNpU3SDah4sLezHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0F1WRVWDIbO+mXTO6bLqZ7hx3XsnDibAo6dNHnjPeUeAMsMwNv+MhL3amngWWMiYs +z9fHnf8zjRAKaMiRou/nwizk2Qhlni6s6zrDW4ixeXjYbcceMm3tWQFOlt/D0aF+x swUt+Dyv7ktsarBmXyjyr7CdUR1pUVSW3tfXY+fQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Martin Schwidefsky , Vasily Gorbik , Sasha Levin Subject: [PATCH 4.19 167/220] s390/kasan: avoid vdso instrumentation Date: Fri, 22 Nov 2019 11:28:52 +0100 Message-Id: <20191122100924.813862210@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100912.732983531@linuxfoundation.org> References: <20191122100912.732983531@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 04dd3e2c3bd9b..e76309fbbcb3b 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -28,9 +28,10 @@ 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 : $(obj)/vdso32.so diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index ddebc26cd9494..f849ac61c5da0 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -28,9 +28,10 @@ obj-y += vdso64_wrapper.o extra-y += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(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