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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 EBB33C54E8B for ; Tue, 12 May 2020 11:43:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB46820722 for ; Tue, 12 May 2020 11:43:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589283838; bh=XWF3Ll27gWZS4z6Wsu69QbzodJKIzcl42ldhql0OQtQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=POvNImDcd6QtNA5s//67ju8U6yGw3w1QtjmxJsPioRg1p2UFbmiPpfVL1SgawQcqB 4ZMfdMBWRjvBlxzsWsO5360idCW8z/Ejc1CHpSlXDzAjLf5T6r5VkZq0X0WfR2D3Vn H9zkzc2cEvRN8XUwuTRY/8mOoF9PMlKlKUbQ3ULo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729407AbgELLn6 (ORCPT ); Tue, 12 May 2020 07:43:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:34290 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727783AbgELLn5 (ORCPT ); Tue, 12 May 2020 07:43:57 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0D0B1206D3; Tue, 12 May 2020 11:43:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589283837; bh=XWF3Ll27gWZS4z6Wsu69QbzodJKIzcl42ldhql0OQtQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=u2vuzKF48d3ShdJTqvQ3ZdSMnoRKvaq8SAQk1NIlT5ch2BQdzyxcbzWhV1u2fH17i gLseraLZn7/ptfyv8mAomIVZRkW9D47Si4GBaEWgxJzQ+llibXQRJmbwd8/bI0EtNY S9IezMwFIe68pWWFOsmaYsDrmQMJTqMkJmHda9JQ= Date: Tue, 12 May 2020 13:43:54 +0200 From: Greg Kroah-Hartman To: Sean Christopherson Cc: stable@vger.kernel.org, Ben Hutchings , Sasha Levin , Paolo Bonzini , linux-kernel@vger.kernel.org, Tobias Urdin Subject: Re: [PATCH 4.19 STABLE v2 0/2] KVM: VMX: Fix null pointer dereference Message-ID: <20200512114354.GA49138@kroah.com> References: <20200512002815.2708-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200512002815.2708-1-sean.j.christopherson@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 11, 2020 at 05:28:13PM -0700, Sean Christopherson wrote: > A simple fix for a null pointer dereference in vmx_vcpu_run() with an > ugly-but-safe prereq patch. > > The even uglier ASM_CALL_CONSTRAINT is gone in v2 as I finally figured > out why vmx_return was undefined: GCC dropped the entire asm blob because > all outputs were deemed unused. Both now queued up, thanks. greg k-h