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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 382C6C31E51 for ; Tue, 18 Jun 2019 09:43:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17E962070B for ; Tue, 18 Jun 2019 09:43:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729441AbfFRJna (ORCPT ); Tue, 18 Jun 2019 05:43:30 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:41017 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729230AbfFRJna (ORCPT ); Tue, 18 Jun 2019 05:43:30 -0400 Received: by mail-wr1-f68.google.com with SMTP id c2so13172811wrm.8 for ; Tue, 18 Jun 2019 02:43:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=7H+CZItQJTM8gOKdEIO6tgbmZC/1DVL8U5ona3SCpCI=; b=OSXDR6nlPxra75do/Xp6yXf7P7utAhZYhdjBd83k54Wil3HKXsTgKNiKQisaukgzfa gUqYTs8bKMqHc9p4YIK7sgyba5S0gA9bPDoIZBWTOxNrIiCynoyIywBaNZ/yJTSB41Vs yFrWgI66vRfSAZAoPId2tS3xWWeEqqLLnL3ij2EG8jE4+4mbot5GT8/PFUB4Mi/pBG69 RtnN5HJM7mOYZh0+qGmN/fwMFJhO4avDpVpYwwekW8w5XsSUAhzQGnIzc7hVKA8bQRSr YEpcf8JjtsCVYca69W0dr+G17icEGNfOU5vECH9HNd2GE7S87esO9/yYMZocurhlkgVG 6piQ== X-Gm-Message-State: APjAAAV1X/az0Ftl8m//pgjCg+PE5o2BqH+Ykes/dVC97+DN+ZsnvIPJ nwMKyClwtNVdVp5eOc8TL4ZFsA== X-Google-Smtp-Source: APXvYqx1u72NgLWUSb0cmYjIEFnfvl7lohvWUsuD8u7IfbzZrWhSU9lechEAXsHLnsuA/1rkasQ/sQ== X-Received: by 2002:adf:ff84:: with SMTP id j4mr2988875wrr.71.1560851007943; Tue, 18 Jun 2019 02:43:27 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:1da0:213e:1763:a1a8? ([2001:b07:6468:f312:1da0:213e:1763:a1a8]) by smtp.gmail.com with ESMTPSA id x8sm1752029wmc.5.2019.06.18.02.43.22 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jun 2019 02:43:27 -0700 (PDT) Subject: Re: [PATCH 22/43] KVM: nVMX: Don't dump VMCS if virtual APIC page can't be mapped To: Sean Christopherson , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, vkuznets@redhat.com, stable@vger.kernel.org References: <1560445409-17363-1-git-send-email-pbonzini@redhat.com> <1560445409-17363-23-git-send-email-pbonzini@redhat.com> <20190617191724.GA26860@flask> <20190617200700.GA30158@linux.intel.com> From: Paolo Bonzini Message-ID: <0d59375c-9313-d31a-4af9-d68115e05d55@redhat.com> Date: Tue, 18 Jun 2019 11:43:29 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190617200700.GA30158@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17/06/19 22:07, Sean Christopherson wrote: > On Mon, Jun 17, 2019 at 09:17:24PM +0200, Radim Krčmář wrote: >> 2019-06-13 19:03+0200, Paolo Bonzini: >>> From: Sean Christopherson >>> >>> ... as a malicious userspace can run a toy guest to generate invalid >>> virtual-APIC page addresses in L1, i.e. flood the kernel log with error >>> messages. >>> >>> Fixes: 690908104e39d ("KVM: nVMX: allow tests to use bad virtual-APIC page address") >>> Cc: stable@vger.kernel.org >>> Cc: Paolo Bonzini >>> Signed-off-by: Sean Christopherson >>> Signed-off-by: Paolo Bonzini >>> --- >> >> Makes me wonder why it looks like this in kvm/queue. :) > > Presumably something is wonky in Paolo's workflow, this happened before. It's more my non-workflow... when I cannot find a patch for some reason (deleted by mistake, eaten by Gmane, etc.), I search it with Google and sometimes spinics.net comes up which mangles the domain. I should just subscribe to kvm@vger.kernel.org since Gmane has gotten less reliable, or set up a Patchew instance for it. Paolo