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=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 B743FC43603 for ; Tue, 17 Dec 2019 14:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 885AF20663 for ; Tue, 17 Dec 2019 14:15:39 +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="NGKMIMuw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728853AbfLQOPi (ORCPT ); Tue, 17 Dec 2019 09:15:38 -0500 Received: from esa2.hc3370-68.iphmx.com ([216.71.145.153]:49037 "EHLO esa2.hc3370-68.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728546AbfLQOPi (ORCPT ); Tue, 17 Dec 2019 09:15:38 -0500 X-Greylist: delayed 426 seconds by postgrey-1.27 at vger.kernel.org; Tue, 17 Dec 2019 09:15:37 EST DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1576592138; h=from:to:cc:subject:date:message-id:mime-version; bh=6sVUlp5NLpAAtn28yCdoOs3OAGb5AYegKQzCNbECZMs=; b=NGKMIMuwjbsndsi+gKnf6KNHbUX5wTuwiCeP84xCj0ZbAgnr1D7vaA9E Bwfxuekq+hmotqXiikdRt347RADTbF7JSOK26WOqqlGCuVWCKqYy0+/O4 pZDM4U0+cuCsH2N3nff+eBa9J7+c/Go8xTGvSF887TI3s0vAhpVQsyKqv 0=; 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: , , CC: Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Boris Ostrovsky , Juergen Gross , "Stefano Stabellini" , George Dunlap , Ross Lagerwall , Sergey Dyasli Subject: [RFC PATCH 0/3] basic KASAN support for Xen PV domains 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-) -- 2.17.1