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=-3.5 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 87EACC04EB5 for ; Fri, 7 Feb 2020 14:27:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CB4B20838 for ; Fri, 7 Feb 2020 14:27:10 +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="GQkJS9PR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727530AbgBGO1J (ORCPT ); Fri, 7 Feb 2020 09:27:09 -0500 Received: from esa3.hc3370-68.iphmx.com ([216.71.145.155]:3173 "EHLO esa3.hc3370-68.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727231AbgBGO1I (ORCPT ); Fri, 7 Feb 2020 09:27:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1581085628; h=from:to:cc:subject:date:message-id:mime-version; bh=VeOKgsLHbFVyDx7PMdA5REjoA1i7oADMZ0tHH54ICDk=; b=GQkJS9PRJ7DGwJYQOsle7B0Ej+vb46h4taFvk3wZH3I/EKD17qZenwQd GK46ZYSj+vM6+XSCwvMxbuQKmS5zVEQK7hCXJRxUdIAmc/u8mLhzGfta+ lO18BhlNgPRN6roQNHUyWxr8JBc/zge4O3c4CVoFUVheAubysW29sQgeE 8=; Authentication-Results: esa3.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 (esa3.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=esa3.hc3370-68.iphmx.com; envelope-from="sergey.dyasli@citrix.com"; x-sender="sergey.dyasli@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa3.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=esa3.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 (esa3.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=esa3.hc3370-68.iphmx.com; envelope-from="sergey.dyasli@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: cA4RYOaIu0S9s9ta9/oYmLKI0oPWh8qI67vWbWeID51CDJsqQPd92KqbQrXTSHxA52oIpyOEin mjHe3Ta8qJaLx6bWxbhkPfPX//GfH+LroBSmBFGi0coygnCqe3s209HCh5UBZXXmyCzAXVuB4O PGUH9uKK98jiE79sIwKNB4nDDtzDQBnEmUwfWuGxwwWQ35uDItVmyc/u6tx2xPf8HNSoFkXGUx LpxcLAHAu0+2zobEKKVhvS7bVrz3xR0/Fu2/Jn5GwUKtqlfFilhnqbj3ZzAl+TvbJrHpp+Ujfc aFo= X-SBRS: 2.7 X-MesageID: 12106635 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.70,413,1574139600"; d="scan'208";a="12106635" From: Sergey Dyasli To: , , , CC: Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Boris Ostrovsky , Juergen Gross , "Stefano Stabellini" , George Dunlap , Ross Lagerwall , Andrew Morton , Sergey Dyasli Subject: [PATCH v3 0/4] basic KASAN support for Xen PV domains Date: Fri, 7 Feb 2020 14:26:48 +0000 Message-ID: <20200207142652.670-1-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. Sergey Dyasli (2): kasan: introduce set_pmd_early_shadow() 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 arch/x86/mm/kasan_init_64.c | 10 +++++- arch/x86/xen/Makefile | 7 ++++ arch/x86/xen/enlighten_pv.c | 3 ++ arch/x86/xen/mmu_pv.c | 43 ++++++++++++++++++++++ drivers/net/xen-netback/common.h | 2 +- drivers/net/xen-netback/netback.c | 60 +++++++++++++++++++++++++------ drivers/xen/Makefile | 2 ++ drivers/xen/grant-table.c | 5 ++- include/linux/kasan.h | 2 ++ include/xen/xen-ops.h | 10 ++++++ lib/Kconfig.kasan | 3 +- mm/kasan/init.c | 32 ++++++++++++----- 12 files changed, 156 insertions(+), 23 deletions(-) -- 2.17.1