From patchwork Tue Dec 17 14:08:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Dyasli X-Patchwork-Id: 11297661 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E36726C1 for ; Tue, 17 Dec 2019 14:09:46 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BF3D521582 for ; Tue, 17 Dec 2019 14:09:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="N1stjRVo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF3D521582 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ihDWj-0000bz-G0; Tue, 17 Dec 2019 14:08:41 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ihDWi-0000bk-DS for xen-devel@lists.xen.org; Tue, 17 Dec 2019 14:08:40 +0000 X-Inumbo-ID: b4939800-20d6-11ea-88e7-bc764e2007e4 Received: from esa2.hc3370-68.iphmx.com (unknown [216.71.145.153]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b4939800-20d6-11ea-88e7-bc764e2007e4; Tue, 17 Dec 2019 14:08:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1576591712; h=from:to:cc:subject:date:message-id:mime-version; bh=6sVUlp5NLpAAtn28yCdoOs3OAGb5AYegKQzCNbECZMs=; b=N1stjRVoxnc/J57Lka0XXSeC7iNE/w6bMSHd4ekTHvM/oE/A6PnTUbiK sCEoafyLAj7v2wyRhzM7CtUm521L6Bhtp86k340S2Sqrlxsvtngdmyi93 FuzQWHxCtnyZg4+iHh6HlujMK+Ld4iVY3b+PU/Kn2t6DjvgURcJEYc+UG I=; Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=sergey.dyasli@citrix.com; spf=Pass smtp.mailfrom=sergey.dyasli@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of sergey.dyasli@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="sergey.dyasli@citrix.com"; x-sender="sergey.dyasli@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa2.hc3370-68.iphmx.com: domain of sergey.dyasli@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="sergey.dyasli@citrix.com"; x-sender="sergey.dyasli@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="sergey.dyasli@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: Qz+c6mG1vz35ZJwUvyQJelqy2kgveD6KCcxwLp9FNQnAHJ1QazmJmY/dh1yXGSem3ftegBTm4h Cnoa+vMuS7jASwz1gwns4+0Ooh/Q4BdRskCgKFwt+mke0Kfk536ajFrYOAQ3wrQ/+TMZYB+swF m51kFtVRpixwwoen2tlLImLf8fjkYvCZuV9i+PAXJHKIlqbQZrssD8XfDLDXAuytnAwHcs/pK0 f7ZgAKFYGsHtJvelXFOx4cqa2Q32g7tKRsSAxDY+Bi13vI1wQjAtg90OkDjradGyUnpdYPXrR+ DZ8= X-SBRS: 2.7 X-MesageID: 9817027 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.69,325,1571716800"; d="scan'208";a="9817027" From: Sergey Dyasli To: , , Date: Tue, 17 Dec 2019 14:08:01 +0000 Message-ID: <20191217140804.27364-1-sergey.dyasli@citrix.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Subject: [Xen-devel] [RFC PATCH 0/3] basic KASAN support for Xen PV domains X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Sergey Dyasli , Stefano Stabellini , George Dunlap , Ross Lagerwall , Alexander Potapenko , Andrey Ryabinin , Boris Ostrovsky , Dmitry Vyukov Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" This series allows to boot and run Xen PV kernels (Dom0 and DomU) with CONFIG_KASAN=y. It has been used internally for some time now with good results for finding memory corruption issues in Dom0 kernel. Only Outline instrumentation is supported at the moment. Patch 1 is of RFC quality Patches 2-3 are independent and quite self-contained. Sergey Dyasli (1): x86/xen: add basic KASAN support for PV kernel Ross Lagerwall (2): xen: teach KASAN about grant tables xen/netback: Fix grant copy across page boundary with KASAN arch/x86/mm/init.c | 14 ++++++++ arch/x86/mm/kasan_init_64.c | 28 ++++++++++++++++ arch/x86/xen/Makefile | 7 ++++ arch/x86/xen/enlighten_pv.c | 3 ++ arch/x86/xen/mmu_pv.c | 13 ++++++-- arch/x86/xen/multicalls.c | 10 ++++++ drivers/net/xen-netback/common.h | 2 +- drivers/net/xen-netback/netback.c | 55 ++++++++++++++++++++++++------- drivers/xen/Makefile | 2 ++ drivers/xen/grant-table.c | 5 ++- kernel/Makefile | 2 ++ lib/Kconfig.kasan | 3 +- 12 files changed, 128 insertions(+), 16 deletions(-)