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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 BEE9FC433E0 for ; Wed, 27 May 2020 23:54:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90A0C206A1 for ; Wed, 27 May 2020 23:54:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725879AbgE0Xyw (ORCPT ); Wed, 27 May 2020 19:54:52 -0400 Received: from mx2.suse.de ([195.135.220.15]:57812 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725681AbgE0Xyw (ORCPT ); Wed, 27 May 2020 19:54:52 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 32A3AAC11; Wed, 27 May 2020 23:54:54 +0000 (UTC) Date: Thu, 28 May 2020 01:54:42 +0200 From: Borislav Petkov To: kbuild test robot Cc: Marco Elver , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [tip:locking/kcsan 12/12] /bin/bash: line 1: 61526 Segmentation fault sparse ... Message-ID: <20200527235442.GC1805@zn.tnic> References: <202005280727.lXn1VnTw%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <202005280727.lXn1VnTw%lkp@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 28, 2020 at 07:39:31AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/kcsan > head: a5dead405f6be1fb80555bdcb77c406bf133fdc8 > commit: a5dead405f6be1fb80555bdcb77c406bf133fdc8 [12/12] compiler_types.h: Optimize __unqual_scalar_typeof compilation time > config: i386-randconfig-s002-20200527 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.1-240-gf0fe1cd9-dirty > git checkout a5dead405f6be1fb80555bdcb77c406bf133fdc8 > # save the attached .config to linux build tree > make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot > > All errors (new ones prefixed by >>, old ones prefixed by <<): I'll say. Looking at the subject, that broke the 0day bot too. :-) /me trims it. Looks like we need __CHECKER__ ifdeffery somewhere but it is too late for me to think straight so tomorrow... -- Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg