From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753211AbdJTX0D (ORCPT ); Fri, 20 Oct 2017 19:26:03 -0400 Received: from mail-wm0-f44.google.com ([74.125.82.44]:43204 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753268AbdJTXZ6 (ORCPT ); Fri, 20 Oct 2017 19:25:58 -0400 X-Google-Smtp-Source: ABhQp+QMGvjoP/ytiE1UQ+fdl5FmCR+EtZwCJx+AFer8WEKh+UdEZDv2aK14nPI2CImtz4SNBRfWow== Subject: Re: [PATCH 00/23] Hardened usercopy whitelisting From: Paolo Bonzini To: Kees Cook , kernel-hardening@lists.openwall.com Cc: David Windsor , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <1497915397-93805-1-git-send-email-keescook@chromium.org> <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Message-ID: <0015a75a-3624-2ec7-ae21-4753cf072e61@redhat.com> Date: Sat, 21 Oct 2017 01:25:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/10/2017 00:40, Paolo Bonzini wrote: > This breaks KVM completely on x86, due to two ioctls > (KVM_GET/SET_CPUID2) accessing the cpuid_entries field of struct > kvm_vcpu_arch. > > There's also another broken ioctl, KVM_XEN_HVM_CONFIG, but it is > obsolete and not a big deal at all. > > I can post some patches, but probably not until the beginning of > November due to travelling. Please do not send this too close to the > beginning of the merge window. Sleeping is overrated, sending patches now... Paolo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id AD88A6B0038 for ; Fri, 20 Oct 2017 19:25:58 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id q42so6453140wrb.3 for ; Fri, 20 Oct 2017 16:25:58 -0700 (PDT) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id o13sor668116wmg.65.2017.10.20.16.25.57 for (Google Transport Security); Fri, 20 Oct 2017 16:25:57 -0700 (PDT) Subject: Re: [PATCH 00/23] Hardened usercopy whitelisting From: Paolo Bonzini References: <1497915397-93805-1-git-send-email-keescook@chromium.org> <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Message-ID: <0015a75a-3624-2ec7-ae21-4753cf072e61@redhat.com> Date: Sat, 21 Oct 2017 01:25:55 +0200 MIME-Version: 1.0 In-Reply-To: <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Kees Cook , kernel-hardening@lists.openwall.com Cc: David Windsor , linux-mm@kvack.org, linux-kernel@vger.kernel.org On 21/10/2017 00:40, Paolo Bonzini wrote: > This breaks KVM completely on x86, due to two ioctls > (KVM_GET/SET_CPUID2) accessing the cpuid_entries field of struct > kvm_vcpu_arch. > > There's also another broken ioctl, KVM_XEN_HVM_CONFIG, but it is > obsolete and not a big deal at all. > > I can post some patches, but probably not until the beginning of > November due to travelling. Please do not send this too close to the > beginning of the merge window. Sleeping is overrated, sending patches now... Paolo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Sender: Paolo Bonzini From: Paolo Bonzini References: <1497915397-93805-1-git-send-email-keescook@chromium.org> <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Message-ID: <0015a75a-3624-2ec7-ae21-4753cf072e61@redhat.com> Date: Sat, 21 Oct 2017 01:25:55 +0200 MIME-Version: 1.0 In-Reply-To: <0ad1f8b1-3c9f-adb0-35c3-18619ff5aa25@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: [kernel-hardening] Re: [PATCH 00/23] Hardened usercopy whitelisting To: Kees Cook , kernel-hardening@lists.openwall.com Cc: David Windsor , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On 21/10/2017 00:40, Paolo Bonzini wrote: > This breaks KVM completely on x86, due to two ioctls > (KVM_GET/SET_CPUID2) accessing the cpuid_entries field of struct > kvm_vcpu_arch. > > There's also another broken ioctl, KVM_XEN_HVM_CONFIG, but it is > obsolete and not a big deal at all. > > I can post some patches, but probably not until the beginning of > November due to travelling. Please do not send this too close to the > beginning of the merge window. Sleeping is overrated, sending patches now... Paolo