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Thu, 24 Jun 2021 03:45:14 +0000 From: Alexander Bulekov To: qemu-devel@nongnu.org Subject: [PATCH v3 0/4] Miscellaneous fuzzer changes Date: Wed, 23 Jun 2021 23:44:59 -0400 Message-Id: <20210624034503.86256-1-alxndr@bu.edu> X-Mailer: git-send-email 2.28.0 X-Originating-IP: [72.74.210.193] X-ClientProxiedBy: MN2PR15CA0016.namprd15.prod.outlook.com (2603:10b6:208:1b4::29) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from stormtrooper.vrmnet (72.74.210.193) by MN2PR15CA0016.namprd15.prod.outlook.com (2603:10b6:208:1b4::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18 via Frontend Transport; Thu, 24 Jun 2021 03:45:13 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 18305eb4-4560-44bd-4eab-08d936c27956 X-MS-TrafficTypeDiagnostic: SN6PR03MB3680: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; 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envelope-from=alxndr@bu.edu; helo=NAM11-CO1-obe.outbound.protection.outlook.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, 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: darren.kenny@oracle.com, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Stefan Hajnoczi , Alexander Bulekov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" v3: - Check in ./configure whether clang supports -fsanitize-coverage-allowlist v2: - Add the instrumentation filter to the instrumentation filter patch These patches 1.) Change generic-fuzzer timeouts so they are reconfigured prior to each individual IO command, to allow for longer-running inputs 2.) Add an instrumentation filter to prevent libfuzzer from tracking noisy/irrelevant parts of the code. 3.) Fix the AC97 and ES1370 fuzzer configs Alexander Bulekov (4): fuzz: adjust timeout to allow for longer inputs fuzz: add an instrumentation filter fuzz: fix the AC97 generic-fuzzer config. fuzz: fix the ES1370 generic-fuzzer config. configure | 11 +++++++++++ scripts/oss-fuzz/instrumentation-filter | 14 ++++++++++++++ tests/qtest/fuzz/generic_fuzz.c | 13 +++++++++---- tests/qtest/fuzz/generic_fuzz_configs.h | 4 ++-- 4 files changed, 36 insertions(+), 6 deletions(-) create mode 100644 scripts/oss-fuzz/instrumentation-filter