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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 97D7AC5ACD3 for ; Fri, 18 Jan 2019 17:53:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 798EF2087E for ; Fri, 18 Jan 2019 17:53:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728074AbfARRxr (ORCPT ); Fri, 18 Jan 2019 12:53:47 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:35784 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728906AbfARRxm (ORCPT ); Fri, 18 Jan 2019 12:53:42 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5CE4D80D; Fri, 18 Jan 2019 09:53:42 -0800 (PST) Received: from [10.1.197.21] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4CC4C3F7BE; Fri, 18 Jan 2019 09:53:41 -0800 (PST) To: stable@vger.kernel.org Cc: Catalin Marinas , Christoffer Dall , Marc Zyngier , Mark Rutland , Will Deacon From: Kristina Martsenko Subject: Two arm64 patches for stable Message-ID: <7acde9fd-242b-0850-81b3-6dbd4cc75565@arm.com> Date: Fri, 18 Jan 2019 17:53:38 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi, Please apply commits 4eaed6aa2c62 ("arm64/kvm: consistently handle host HCR_EL2 flags") b3669b1e1c09 ("arm64: Don't trap host pointer auth use to EL2") to the 4.19.y (and 4.20.y) stable kernels. The patches prevent userspace from entering KVM directly on newer ARM CPUs. I'll also send backports for the 4.4.y, 4.9.y, and 4.14.y stable kernels in reply to this email. Thanks, Kristina