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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 CEF5FC43461 for ; Tue, 15 Sep 2020 21:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 847CF20936 for ; Tue, 15 Sep 2020 21:36:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="avIlM3yj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728077AbgIOVf6 (ORCPT ); Tue, 15 Sep 2020 17:35:58 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:31364 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728039AbgIOV2P (ORCPT ); Tue, 15 Sep 2020 17:28:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600205293; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=phfKZE19saBhPeUBHCLwaCqp+zRaAXUigLy6+PozSog=; b=avIlM3yj8Qs9Lc7Qa7D+5Y4+zBiZzLNdbHRdHA864HmAzbQN1TP88DJywODgf2nXi4xWoE KvSqrA/1ap9E0mVIRQw6d+JrFmKjFK9YYdnMFv4F3/bnwF2Ao+OBxwJcBJEjvIS4lA1msp CXBNAu4G+yXt2g/GwtFLLEcY0aUmwBE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-215-2fGBfl_3PzyxUc-icf-XBw-1; Tue, 15 Sep 2020 17:28:10 -0400 X-MC-Unique: 2fGBfl_3PzyxUc-icf-XBw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 12CD41005E5E; Tue, 15 Sep 2020 21:28:08 +0000 (UTC) Received: from treble (ovpn-112-136.rdu2.redhat.com [10.10.112.136]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 96C9160CD0; Tue, 15 Sep 2020 21:28:06 +0000 (UTC) Date: Tue, 15 Sep 2020 16:28:04 -0500 From: Josh Poimboeuf To: Nick Desaulniers Cc: Borislav Petkov , Marco Elver , Rong Chen , kernel test robot , "Li, Philip" , x86-ml , LKML , clang-built-linux , Arnd Bergmann , Kees Cook Subject: Re: [tip:x86/seves] BUILD SUCCESS WITH WARNING e6eb15c9ba3165698488ae5c34920eea20eaa38e Message-ID: <20200915212804.vvm7ovffqynkvi5a@treble> References: <5f60c4e0.Ru0MTgSE9A7mqhpG%lkp@intel.com> <20200915135519.GJ14436@zn.tnic> <20200915141816.GC28738@shao2-debian> <20200915160554.GN14436@zn.tnic> <20200915170248.gcv54pvyckteyhk3@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 15, 2020 at 02:13:01PM -0700, Nick Desaulniers wrote: > Triple checking what I wrote above; it looks like the randconfig had > BOTH CONFIG_KASAN=y and CONFIG_UBSAN=y enabled. Aren't the sanitizers > supposed to be mutually exclusive? If so, we should ensure that via > kconfig these can't be selected together via randconfig. No idea... > Another peculiarity I noticed was that it seems that enabling > CONFIG_UBSAN_TRAP=y doesn't allow me to select > CONFIG_UBSAN_ALIGNMENT=y. Is that intentional? (Looks like it > lib/Kconfig.ubsan:74). That was done intentionally by Kees, it was putting traps in a lot of weird places. -- Josh