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Sat, 19 Dec 2020 18:39:30 +0000 X-IncomingTopHeaderMarker: OriginalChecksum:747A98DB69723032E4D2B7D73478E4F8A07D891722B88BB1D6FED9AE2D93600B; UpperCasedChecksum:E8D11E2493CCAF2166112BE4A6BA076BBB968F1138D69346DE3576FBFE518511; SizeAsReceived:7449; Count:45 Received: from ME3P282MB1492.AUSP282.PROD.OUTLOOK.COM ([fe80::d86c:2255:e334:54f7]) by ME3P282MB1492.AUSP282.PROD.OUTLOOK.COM ([fe80::d86c:2255:e334:54f7%5]) with mapi id 15.20.3676.025; Sat, 19 Dec 2020 18:39:30 +0000 From: Qiuhao Li To: alxndr@bu.edu, qemu-devel@nongnu.org Subject: [PATCH 0/4] improve crash case minimization Date: Sun, 20 Dec 2020 02:39:26 +0800 Message-ID: X-Mailer: git-send-email 2.25.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-TMN: [uLv891GMh1YNh7XpEW320ylfnqkr0EHb/lAjZo5LDFYfqZfjREeqBppy5ZAcw/ft] X-ClientProxiedBy: HK2PR04CA0045.apcprd04.prod.outlook.com (2603:1096:202:14::13) To ME3P282MB1492.AUSP282.PROD.OUTLOOK.COM (2603:10c6:220:a0::14) X-Microsoft-Original-Message-ID: <20201219183926.426205-1-Qiuhao.Li@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc (2001:250:fe01:130:1079:e2bc:42d3:a57e) by HK2PR04CA0045.apcprd04.prod.outlook.com (2603:1096:202:14::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3676.29 via Frontend Transport; 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envelope-from=Qiuhao.Li@outlook.com; helo=APC01-SG2-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, 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=ham 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, bsd@redhat.com, thuth@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Extend and refine the crash case minimization process. I forgot to cc some reviewers in the last patch, so I merge it as the first on in this patch series. Qiuhao Li (4): fuzz: refine crash detection mechanism fuzz: split QTest writes from the rightmost byte fuzz: setting bits in operand of out/write to zero fuzz: delay IO until they can't trigger the crash scripts/oss-fuzz/minimize_qtest_trace.py | 126 ++++++++++++++++++++--- 1 file changed, 110 insertions(+), 16 deletions(-) -- 2.25.1