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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 3AC95C31E40 for ; Mon, 12 Aug 2019 22:40:10 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0A9C920665 for ; Mon, 12 Aug 2019 22:40:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A9C920665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxIz3-0008W8-A6 for qemu-devel@archiver.kernel.org; Mon, 12 Aug 2019 18:40:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54613) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxIyf-00082j-Ip for qemu-devel@nongnu.org; Mon, 12 Aug 2019 18:39:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hxIye-0004lJ-Nv for qemu-devel@nongnu.org; Mon, 12 Aug 2019 18:39:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36098) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hxIye-0004kz-J8 for qemu-devel@nongnu.org; Mon, 12 Aug 2019 18:39:44 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E246085542; Mon, 12 Aug 2019 22:39:42 +0000 (UTC) Received: from gigantic.usersys.redhat.com (helium.bos.redhat.com [10.18.17.132]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 258FC608C2; Mon, 12 Aug 2019 22:39:39 +0000 (UTC) From: Bandan Das To: "Oleinik\, Alexander" References: <20190805071038.32146-1-alxndr@bu.edu> <20190805071038.32146-3-alxndr@bu.edu> Date: Mon, 12 Aug 2019 18:39:38 -0400 In-Reply-To: <20190805071038.32146-3-alxndr@bu.edu> (Alexander Oleinik's message of "Mon, 5 Aug 2019 07:11:03 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 12 Aug 2019 22:39:42 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [RFC PATCH v2 02/17] fuzz: Add fuzzer configure options X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "pbonzini@redhat.com" , "qemu-devel@nongnu.org" , "stefanha@redhat.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" "Oleinik, Alexander" writes: ... > if test "$supported_cpu" = "no"; then > echo > @@ -7306,6 +7310,17 @@ fi > if test "$sheepdog" = "yes" ; then > echo "CONFIG_SHEEPDOG=y" >> $config_host_mak > fi > +if test "$fuzzing" = "yes" ; then > + QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer,address -fprofile-instr-generate" > + QEMU_CFLAGS="$QEMU_CFLAGS -fprofile-instr-generate -fcoverage-mapping" What is the purpose of -fprofile-instr-generate ? Coverage info ? (Listed twice above) Bandan > + QEMU_LDFLAGS="$LDFLAGS -fsanitize=fuzzer,address" > + > + # Add tests/ to include path, since this is done in tests/Makefile.include, > + # and required for QOS objects to build. This can be removed if/when the > + # fuzzer is compiled using rules in tests/Makefile.include > + QEMU_INCLUDES="-iquote \$(SRC_PATH)/tests $QEMU_INCLUDES" > + echo "CONFIG_FUZZ=y" >> $config_host_mak > +fi > > if test "$tcg_interpreter" = "yes"; then > QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"