From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752945AbdF0LN3 (ORCPT ); Tue, 27 Jun 2017 07:13:29 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:55203 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752897AbdF0LM4 (ORCPT ); Tue, 27 Jun 2017 07:12:56 -0400 X-ME-Sender: X-Sasl-enc: KCAUU8Loj6RiLYkrN428BuTnzRlF0kwTSXYbGmbjgU2s 1498561974 Date: Tue, 27 Jun 2017 13:12:55 +0200 From: Greg KH To: Dan Williams Cc: Dave Young , Peter Zijlstra , Thomas Gleixner , Linux Kernel Mailing List , "H. Peter Anvin" , jinb.park7@gmail.com, jpoimboe@redhat.com, Ingo Molnar , Yasuaki Ishimatsu , Andrew Morton , Jeff Moyer , yinghai@kernel.org, luto@kernel.org, "Kirill A. Shutemov" , Dave Hansen , Thomas Garnier , Baoquan He , dvlasenk@redhat.com, Borislav Petkov , brgerst@gmail.com, Linus Torvalds , Kees Cook , stable@vger.kernel.org, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/urgent] x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds() Message-ID: <20170627111255.GF10609@kroah.com> References: <1493864747-8506-1-git-send-email-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 21, 2017 at 06:26:59PM -0700, Dan Williams wrote: > [ adding -stable ] > > The patch below is upstream as commit fc5f9d5f151c "x86/mm: Fix boot > crash caused by incorrect loop count calculation in > sync_global_pgds()". The referenced bug potentially affects all kaslr > enabled kernels with > 512GB of memory. Please apply this patch to all > current -stable kernels. Doesn't apply to any stable kernels that I manage, can someone please provide a working backport if they want to see it applied? thanks, greg k-h