Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751649AbdFGRSW (ORCPT ); Wed, 7 Jun 2017 13:18:22 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:36795 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393AbdFGRSS (ORCPT ); Wed, 7 Jun 2017 13:18:18 -0400 Date: Wed, 7 Jun 2017 19:18:14 +0200 From: Seraphime Kirkovski To: "Moore, Robert" Cc: devel@acpica.org, afael.j.wysocki@intel.com, linux-acpi@vger.kernel.org, rafael.j.wysocki@intel.com, lv.zheng@intel.com, lenb@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] acpi: acpica: dsutils: fixanoff-by-one index Message-ID: <20170607171814.zjvrikbjonp5n3gd@macchiaveli> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94F2FBAB4432B54E8AACC7DFDE6C92E37E5BF38C@ORSMSX110.amr.corp.intel.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 517 Lines: 13 On Wed, Jun 07, 2017 at 03:14:46PM +0000, Moore, Robert wrote: > I believe that the rationale for this is that at that point in the code, it is *guaranteed* that there is at least one operand; therefore the -1 would always be valid. > > In the end, we just deleted that call to > acpi_db_display_argument_object. > > I don't know if this change has made it into Linux yet. > The latest rc actually produces the UBSAN splat in my previous message. So I suppose, I have some buggy hardware/firmware. Thanks, Seraph