From nobody Sun May 19 06:04:52 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=bu.edu) ARC-Seal: i=2; a=rsa-sha256; t=1607545724; cv=pass; d=zohomail.com; s=zohoarc; b=eImBc8+hkV6isgz+B8lLS5oPbjCVenCkyu6dZ2t4MST3nYyhv1+3BiJhLxyD9PUOGxPiKOYxglggBT2y6VW2RGvoqJtPos8mCW2nrlFz5UBdsiMbduXNGgcpKWe15XQj4IM3dlNygkCpCbK+RQRNV41Rv4YoNbhBqI0Y/r7LjbU= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607545724; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=TssYVBIryKTtbGh0965WRpeDMdP/L5Su7/bWjlH73bE=; b=NPeH1D8+vWV3DQJD4o0uxe9ZyZc5O4bDK8DRibzOs+0W3Fz1L4Yb5/dFl9Sk909w0ngra9syYFi2l0hgal9ilbWlKWTJZPhN1Aj46QKWqgSuXZf1rpBmWn47pfkXuenXkyvMQCjW0FP/8ixVTbZJCIT7UfxoRzfhvu4tlgp6Hcs= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=bu.edu) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1607545723977787.5319149687766; Wed, 9 Dec 2020 12:28:43 -0800 (PST) Received: from localhost ([::1]:45180 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kn64o-0004vu-P2 for importer@patchew.org; Wed, 09 Dec 2020 15:28:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55266) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kn62U-0003Y0-Dl for qemu-devel@nongnu.org; Wed, 09 Dec 2020 15:26:18 -0500 Received: from mail-bn8nam12on2092.outbound.protection.outlook.com ([40.107.237.92]:17889 helo=NAM12-BN8-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 ) id 1kn62S-0003Ai-C9 for qemu-devel@nongnu.org; Wed, 09 Dec 2020 15:26:17 -0500 Received: from SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) by SN6PR03MB3616.namprd03.prod.outlook.com (2603:10b6:805:4b::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12; Wed, 9 Dec 2020 20:11:12 +0000 Received: from SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::d520:4c19:8ce6:7db2]) by SN6PR03MB3871.namprd03.prod.outlook.com ([fe80::d520:4c19:8ce6:7db2%2]) with mapi id 15.20.3632.021; Wed, 9 Dec 2020 20:11:12 +0000 Received: from stormtrooper.vrmnet (72.93.72.163) by BL1PR13CA0192.namprd13.prod.outlook.com (2603:10b6:208:2be::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.8 via Frontend Transport; Wed, 9 Dec 2020 20:11:11 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UXIhG+ScvSAZKF43K2ORJ/3QeXQ7vtQGMpO/oUva+r4Bb5ET5ZP09NgxgGLw3narUPrNJzm9e9ivsMivkyfKC6QtaTxxf0A5f1VcjnxLO5ct/pt8bnBT53E/f0vIorlMB5EEdiqSB+sH+xYGlaz9DSwOok5Va3vgiKaZL8PkVwiSsMEN4AWH7LeXfzGEAN9Q/4UniS3OrixRVTGm1MxqVogHHDX94FYXw5ACIZCEc7rU43R/xoTLFWdq38cqLdieLpF0Z2Ch6Cgr64BMGUnTcAMHJOgGNQ2GnW6cqqXQ/D+rGv6VmncmAKOnpnFr3k8/M6tsXBK95y67xhempdhYGA== 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=TssYVBIryKTtbGh0965WRpeDMdP/L5Su7/bWjlH73bE=; b=R5ckIfzl18UqKbcF933tdk1N+jzaoOy+8WG7+T28s62Su8ZzmZ9x0Up8jox6O9JHgjVWHQi1J06w6UyhLCtKCgYiUe1joTXX4YjTHPPoX4Tf+5TiRa40TvE/1WihLGzBOeOKexIkLViiK14mx3FYk+nuVeHRf3/367KOTcGiq+H2mUoGa82ycVIWnLdOUXNfv7zQqrlS0A7kDFzbrJ/2FIrZCPlC0Xz75HDOj/aPEFYabLEoUqA15nqjJ1nlIs0Sw0dLaYSZOkOoAyMWHhTeD9cD+1/rEclpJxaugPJH5dCl/9k7itxC6YSmPr8CuCuUBSJZRvnK2h0ERGgZTlXO/w== 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=TssYVBIryKTtbGh0965WRpeDMdP/L5Su7/bWjlH73bE=; b=445G8cm/0j36MLuY0XAqVQ1kJTLzI4pSYCda5A4MrxANjS1nsjtg6d50P9eMhcii6/a6oznJgCRBqKh6itho6UiM0LCdevSOWTpaRrM/RYdRSJDe7ftHaA1IYFp8Wl1x5HxOa8C8HQ0Wt+zlvDn8AygXqExLA+dlCo2dIeKT+No= Authentication-Results: nongnu.org; dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=bu.edu; From: Alexander Bulekov To: qemu-devel@nongnu.org Subject: [PATCH] fuzz: map all BARs and enable PCI devices Date: Wed, 9 Dec 2020 15:10:54 -0500 Message-Id: <20201209201054.391408-1-alxndr@bu.edu> X-Mailer: git-send-email 2.28.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [72.93.72.163] X-ClientProxiedBy: BL1PR13CA0192.namprd13.prod.outlook.com (2603:10b6:208:2be::17) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f29e3e0a-c3a6-4b6c-8e55-08d89c7e9351 X-MS-TrafficTypeDiagnostic: SN6PR03MB3616: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:343; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: vioQZpC5Pcw4QcwVEABRgIV1/vo6CyUTOfJSkYKJn2/o7mqmVQxkXB7oHg2qoeP94/IhTvRYIht56FJ/nWv83JZEajV5Kg0inMfGlOyPgV+i6nqfks2V3qFAkLmeqwmYTljwCavXfVrSQiwNnWG19A6LfnXNdao1yOfH4zKjOHbGUs0YUWPZffh68FBNL+V7wxXrqBNol6a/2GF9hxK4s5y8iLavmq2nHry1QY2rbs2nju/bcOKPE1J/OieuElJKDEbFvnBFb6ar/CMcg0//okQ+kg9yZ1CeYAXDU41dNzofshLF2lJqNorqEzfHkd9bhWF6GAK/iWX/SMXl6rIhCP8pzlHPUptQ7kq1TSCLDB7q+tQi5mAaLIaGwkhK0fao 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; SFS:(4636009)(376002)(136003)(346002)(366004)(4326008)(75432002)(86362001)(508600001)(786003)(6512007)(6916009)(16526019)(956004)(36756003)(6506007)(52116002)(2616005)(26005)(186003)(6486002)(66946007)(66556008)(8936002)(2906002)(34490700003)(54906003)(66476007)(5660300002)(6666004)(1076003)(8676002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?xiPaSp+/kVVULnnnmafMJ15zRVg2SBZFHrnlac/aTVI0MC2G7isYFddumyX5?= =?us-ascii?Q?l695TTkzDxuh1OhnOTlrUz4tr+IJSbU7n5MPbtk9sySTkgFVRmoK1xMGIm8B?= =?us-ascii?Q?n+y3SFdKOgSOVnvjDkB1smWjIfKVFcVRqe+2mRgvm3gZEMJr0HEZrYkm6b4f?= =?us-ascii?Q?CCqT296G5z8lqtzzqgOtn5fFsa60Ut840Xd8AV/mBeOX+3P1GrqsCrrYY2Wu?= =?us-ascii?Q?/hh9xjMr9rxS2QmV6eylNns8OC3shZa2IeLZ4IiyaDxC+6ZyccfxWzcyTLJL?= =?us-ascii?Q?Efa19Xs2C2ZZiPvQa3Q+JLmh2E8MWUmAEU/JFrQHz6+r7HGFHaV9ARtO8Ykt?= =?us-ascii?Q?4CH4kVdBNQi+t3FMwbC5clbp1WFGsDHIuk3QXzMP3GT1xIaOyKJMAQpSM4bv?= =?us-ascii?Q?CEKQCDwSOXtHsngTDAFCz9FU1EBK+lc0+YyUQfJye+AgXtIrjsYTZc4lyI1C?= =?us-ascii?Q?nzplpZbKgDsqK3KWbwoEy1B09rm+laOSjlulXTjstkQlyNuOTTq8WJOx/h43?= =?us-ascii?Q?yE6V67nO7dIdyoL2WatX2BvKJRqutTaV3Bi4JDkbJOW/ANLm+LcWztusfmlG?= =?us-ascii?Q?WtycvP4sZatLhV3a5xYn2uJp9QcOST8d5VaENG+vw5ixM+4pUCWmkzCw100I?= =?us-ascii?Q?p0DiB2xFs5jWR6xUo7++b/KzgwylZOKav/eCi5IHv0ppetBLaFgsSOs6NvZ0?= =?us-ascii?Q?9HS/778j8Pg7dwb90hnxZsLyKDd0e0gcf/mSz/ZhB1C+7cdCCQWNWbY5W+qs?= =?us-ascii?Q?Dt9MsyAoZ5nQG1z4M8x2C6yHkGPsoPn0/R/C408+Vn+9cEBmX+Z19eCmfpnG?= =?us-ascii?Q?+m7mI2USygtiEmHtYuvQmnR5klBFS0YnQ2+lMN2Q84r8fCUE9c0MdOfMqZFe?= =?us-ascii?Q?Uh7lDZUQcXbebnG0mHXj6Vbzo4TxjspxAvQEFz4NUAyCUJP6SWNkPHsxs91K?= =?us-ascii?Q?XrYs6OhHMp46G4bs37nlsX9t/WEH8Uj5aZC69K+W1j0=3D?= X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-AuthSource: SN6PR03MB3871.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2020 20:11:12.2494 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-Network-Message-Id: f29e3e0a-c3a6-4b6c-8e55-08d89c7e9351 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: bvPPXlxpnCQpTfBf3FcBL93k1wDb2BeZ0/Qb+cJyQQluoXLxVj/MCgCRiyEiFwrw X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR03MB3616 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.237.92; envelope-from=alxndr@bu.edu; helo=NAM12-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.341, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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: Laurent Vivier , Thomas Huth , Alexander Bulekov , Bandan Das , Stefan Hajnoczi , Paolo Bonzini , philmd@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bushare.onmicrosoft.com) Content-Type: text/plain; charset="utf-8" Prior to this patch, the fuzzer found inputs to map PCI device BARs and enable the device. While it is nice that the fuzzer can do this, it added significant overhead, since the fuzzer needs to map all the BARs (regenerating the memory topology), at the start of each input. With this patch, we do this once, before fuzzing, mitigating some of this overhead. Signed-off-by: Alexander Bulekov Reviewed-by: Darren Kenny --- tests/qtest/fuzz/generic_fuzz.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuz= z.c index 07ad690683..d95093ee53 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -16,6 +16,7 @@ =20 #include "hw/core/cpu.h" #include "tests/qtest/libqos/libqtest.h" +#include "tests/qtest/libqos/pci-pc.h" #include "fuzz.h" #include "fork_fuzz.h" #include "exec/address-spaces.h" @@ -762,6 +763,22 @@ static int locate_fuzz_objects(Object *child, void *op= aque) return 0; } =20 + +static void pci_enum(gpointer pcidev, gpointer bus) +{ + PCIDevice *dev =3D pcidev; + QPCIDevice *qdev; + + qdev =3D qpci_device_find(bus, dev->devfn); + g_assert(qdev !=3D NULL); + for (int i =3D 0; i < 6; i++) { + if (dev->io_regions[i].size) { + qpci_iomap(qdev, i, NULL); + } + } + qpci_device_enable(qdev); +} + static void generic_pre_fuzz(QTestState *s) { GHashTableIter iter; @@ -810,6 +827,12 @@ static void generic_pre_fuzz(QTestState *s) exit(1); } =20 + QPCIBus *pcibus; + + pcibus =3D qpci_new_pc(s, NULL); + g_ptr_array_foreach(fuzzable_pci_devices, pci_enum, pcibus); + qpci_free_pc(pcibus); + counter_shm_init(); } =20 --=20 2.28.0