Message ID | 20200706195534.14962-3-alxndr@bu.edu |
---|---|
State | New |
Headers | show
Return-Path: <SRS0=h+Ky=AR=nongnu.org=qemu-devel-bounces+qemu-devel=archiver.kernel.org@kernel.org> 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=-8.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 500D8C433E0 for <qemu-devel@archiver.kernel.org>; Mon, 6 Jul 2020 19:58:37 +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 1BF70207D0 for <qemu-devel@archiver.kernel.org>; Mon, 6 Jul 2020 19:58:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=bushare.onmicrosoft.com header.i=@bushare.onmicrosoft.com header.b="TjnygGXP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BF70207D0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bu.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>) id 1jsXG8-0007JA-E5 for qemu-devel@archiver.kernel.org; Mon, 06 Jul 2020 15:58:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43038) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <alxndr@bu.edu>) id 1jsXE3-0003Hl-36 for qemu-devel@nongnu.org; Mon, 06 Jul 2020 15:56:27 -0400 Received: from mail-mw2nam12on2126.outbound.protection.outlook.com ([40.107.244.126]:37345 helo=NAM12-MW2-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <alxndr@bu.edu>) id 1jsXE1-00032S-HT for qemu-devel@nongnu.org; Mon, 06 Jul 2020 15:56:26 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AmYRqS1PvcCSDMptEe2rQL7E+7x5CCDz7bxc30xGaNd3/uf/9+fgq8rV4HoxTLaA1RPxyupFp8E0sVx47Lcz5S8benxoqt9WMJ4uKu0zfyYAV0Jlq6Kb34NWwRjx7Zlz3tuaPL2vgX8RlM0eYfwitvS79hGkMkxT8esbOdYTSSiDMoaA7kDRTRCP1hMbShTcjvMDaTEL/7uj7v7AktLHAIOfwmfBZDJ9ILf6dARBylsakCtEWcEuwPgA+fnB8CIIGJccPHscpVEOobFdlmQOFLB5popFBvciW4M446JWiFfximIltT8LTmGEFlQPwIl4Ojym+ZBXA7ca3n8c/nxHAQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=81P0xTiB6eYwm9dM3xLP3FIv2owOKwkJ7xlolapJBlA=; b=bjIccojg/JHc9Fo8KbaKgif935bfy9/AIfx9BcFGWIH+oigA0tfERqE1BoPKwLWVP5MUxl8Rw8t2BAh0d3qVFby6ENNOJHz23lMw5Jvv2khHWU8IQ+Fxe6E0WvMd6I+8nWvgyRBg+smmv8xYz0KyYi+3xZt8IQg5ecL8sWYXWrWedwfPnN9K0lcCpBeCCJ80GGj8UBeb8HodrUxmFe/waLKaHEYBQOf19ROyoEqq53GqZIVnwhsyZp7Jwlsb7UcMZUG6UheQu8f+jmOjbJgGKwTBdr5PltHmeDj4v4iM0mOh282ZOOvdSByQc+XovcpUvRoL39m0y3Hi2t4iItCgCw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=bu.edu; dmarc=pass action=none header.from=bu.edu; dkim=pass header.d=bu.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bushare.onmicrosoft.com; s=selector2-bushare-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=81P0xTiB6eYwm9dM3xLP3FIv2owOKwkJ7xlolapJBlA=; b=TjnygGXPLHJ34hlISy/yf+JH4c9iNA3Az2HGcJFZhNdJh8hQMEkeGHEy7PvSamsdYXB85oV9WUmweuM8HmD3kou2qFVtBsXSsJkmJ558i8uvnFbsaak/g14q2cOn7xCgvYlx6l4x/ulgBgDZi4qUKKQoiAvFikyfcrO9xumO51Y= Authentication-Results: nongnu.org; dkim=none (message not signed) header.d=none; nongnu.org; dmarc=none action=none header.from=bu.edu; Received: from SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) by SN6PR03MB3520.namprd03.prod.outlook.com (2603:10b6:805:4d::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.21; Mon, 6 Jul 2020 19:55:47 +0000 Received: from SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::8ce:29a6:77be:c35b]) by SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::8ce:29a6:77be:c35b%7]) with mapi id 15.20.3153.029; Mon, 6 Jul 2020 19:55:47 +0000 From: Alexander Bulekov <alxndr@bu.edu> To: qemu-devel@nongnu.org Subject: [PATCH 2/4] docs/fuzz: describe building fuzzers with enable-sanitizers Date: Mon, 6 Jul 2020 15:55:32 -0400 Message-Id: <20200706195534.14962-3-alxndr@bu.edu> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200706195534.14962-1-alxndr@bu.edu> References: <20200706195534.14962-1-alxndr@bu.edu> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BL0PR02CA0142.namprd02.prod.outlook.com (2603:10b6:208:35::47) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mozz.bu.edu (128.197.127.33) by BL0PR02CA0142.namprd02.prod.outlook.com (2603:10b6:208:35::47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.24 via Frontend Transport; Mon, 6 Jul 2020 19:55:46 +0000 X-Mailer: git-send-email 2.26.2 X-Originating-IP: [128.197.127.33] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ea6e70fc-1b63-4c04-4fcc-08d821e69346 X-MS-TrafficTypeDiagnostic: SN6PR03MB3520: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: <SN6PR03MB35203968FA11244261C24AE4BA690@SN6PR03MB3520.namprd03.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 04569283F9 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Wy/cX33jxLUeOcUQUQJ+4ojiWQM6QnCwDrhqhsoi+cU74kLHTE9jfWf1HQzm1FXI15OPKFUp05SQaPy8s8v8LRgvDfcOOFG5P5jghYolbMpLKhADV39EACaaEtb8P+ILwUJ8ix+tVbKOJZQdjwElJTwzy2dwDAXaGjkgEcssrkY7fQV9j+YF/HWU7wfGlbBsKQvNa23rndkX+7axC+/up0Pg5TGfS7x9MIi3rJZuKCxB+Y27mWTTBDBwTvCi1kMHWiGAenL4hBYvMaaGGsxp4JbibKz3qWhOBFY/jrnpcc6sNqHIA/xXSKR/ZhZk+TIu X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SN6PR03MB3871.namprd03.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(366004)(396003)(39860400002)(136003)(346002)(376002)(83380400001)(16526019)(26005)(8676002)(66476007)(66556008)(7696005)(4326008)(786003)(75432002)(478600001)(8936002)(66946007)(1076003)(36756003)(86362001)(52116002)(316002)(6666004)(2906002)(186003)(5660300002)(6916009)(6486002)(956004)(2616005); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: oN8UrO0woKNYH5ClHi5A/8Hkc5DJ0tVswivl9UkqQ3pcJ0bHcaIBnQrWMk1BZl/MQTQUIiOySGAcm31cEmXjIjDFwQQb6pqFT3cUR9qC6e7AHTBQXd2nRx4hZZ29KJooqzoW/RcmEMNN8XPEMuexuPUG45aSg1IAHP1+qLtZDenHRe9fEZv7TA2GWIxrOlk+pUzDPnS6GRBnISXqbzBSUAohrZ2+qBr3GpClPFyztE8OGNZnVdeIQvAHfwiZFS5LUEFpsHB1+1fxtqXscUw1dOZ5Sn3DhNh12CxNVTSqERArPakPmkjeY0id2RZB0VtuSgINpma3R5tj9qhth2/bjdF8K++l6wxyqlsXU6dkIHhfA8ijQYUWL0wFE4JaR76HvEQoXF5IWXWhRd9fRQCI4X6sKOtcXrrBz88Kwz/BNainGqXvyXHi+H7zWtVr/TRy+SWxwpO3ATEW4PJhUbYkeQadB6tRNa23WJcqcuHAwLc= X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-Network-Message-Id: ea6e70fc-1b63-4c04-4fcc-08d821e69346 X-MS-Exchange-CrossTenant-AuthSource: SN6PR03MB3871.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jul 2020 19:55:47.3476 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3Z3AcKgtLx9Uo2KHBpOiq+cuwY2KsuvlZ0bi20au+6Ty++ZqlusR/+OSKuu5ezam X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR03MB3520 Received-SPF: pass client-ip=40.107.244.126; envelope-from=alxndr@bu.edu; helo=NAM12-MW2-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/06 15:56:21 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Alexander Bulekov <alxndr@bu.edu>, bsd@redhat.com, philmd@redhat.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
Series |
None
|
expand
|
diff --git a/docs/devel/fuzzing.txt b/docs/devel/fuzzing.txt index 324d2cd92b..382ade974e 100644 --- a/docs/devel/fuzzing.txt +++ b/docs/devel/fuzzing.txt @@ -23,9 +23,12 @@ AddressSanitizer mmaps ~20TB of memory, as part of its detection. This results in a large page-map, and a much slower fork(). To build the fuzzers, install a recent version of clang: -Configure with (substitute the clang binaries with the version you installed): +Configure with (substitute the clang binaries with the version you installed). +Here, enable-sanitizers, is optional but it allows us to reliably detect bugs +such as out-of-bounds accesses, use-after-frees, double-frees etc. - CC=clang-8 CXX=clang++-8 /path/to/configure --enable-fuzzing + CC=clang-8 CXX=clang++-8 /path/to/configure --enable-fuzzing \ + --enable-sanitizers Fuzz targets are built similarly to system/softmmu:
Signed-off-by: Alexander Bulekov <alxndr@bu.edu> --- docs/devel/fuzzing.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)