Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
279	0	EP	call site: {node_id}	scrapy.crawler.CrawlerRunner.crawl

Fuzzer calltree


         ...fuzz_crawl.TestOneInput

[function] [call site] 00000


           atheris.FuzzedDataProvider

[function] [call site] 00001


           fdp.ConsumeIntInRange

[function] [call site] 00002


           fdp.ConsumeUnicodeNoSurrogates

[function] [call site] 00003


           scrapy.crawler.CrawlerProcess.__init__

[function] [call site] 00004


             <builtin>.super

[function] [call site] 00005


             scrapy.utils.log.configure_logging

[function] [call site] 00006


               logging.captureWarnings

[function] [call site] 00007


               twisted.python.log.PythonLoggingObserver

[function] [call site] 00008


               observer.start

[function] [call site] 00009


               logging.config.dictConfig

[function] [call site] 00010


               <builtin>.isinstance

[function] [call site] 00011


               scrapy.settings.Settings.__init__

[function] [call site] 00012


                 <builtin>.super

[function] [call site] 00013


                 scrapy.settings.BaseSettings.setmodule

[function] [call site] 00014


                   scrapy.settings.BaseSettings._assert_mutability

[function] [call site] 00015


                   <builtin>.isinstance

[function] [call site] 00016


                   importlib.import_module

[function] [call site] 00017


                   <builtin>.dir

[function] [call site] 00018


                   key.isupper

[function] [call site] 00019


                   <builtin>.getattr

[function] [call site] 00020


                   scrapy.settings.BaseSettings.set

[function] [call site] 00021


                     scrapy.settings.BaseSettings._assert_mutability

[function] [call site] 00022


                     scrapy.settings.get_settings_priority

[function] [call site] 00023


                       <builtin>.isinstance

[function] [call site] 00024


                     <builtin>.isinstance

[function] [call site] 00025


                     scrapy.settings.SettingsAttribute.__init__

[function] [call site] 00026


                       <builtin>.isinstance

[function] [call site] 00027


                       scrapy.settings.BaseSettings.maxpriority

[function] [call site] 00028


                         <builtin>.len

[function] [call site] 00029


                         scrapy.settings.BaseSettings.getpriority

[function] [call site] 00030


                         typing.cast

[function] [call site] 00031


                         <builtin>.max

[function] [call site] 00032


                         scrapy.settings.get_settings_priority

[function] [call site] 00033


                       <builtin>.max

[function] [call site] 00034


                 <builtin>.isinstance

[function] [call site] 00035


                 scrapy.settings.BaseSettings.__init__

[function] [call site] 00036


                   scrapy.settings.BaseSettings.update

[function] [call site] 00037


                     scrapy.settings.BaseSettings._assert_mutability

[function] [call site] 00038


                     <builtin>.isinstance

[function] [call site] 00039


                     json.loads

[function] [call site] 00040


                     typing.cast

[function] [call site] 00041


                     <builtin>.isinstance

[function] [call site] 00042


                     typing.cast.items

[function] [call site] 00043


                     typing.cast.getpriority

[function] [call site] 00044


                     scrapy.settings.BaseSettings.getpriority

[function] [call site] 00045


                     typing.cast

[function] [call site] 00046


                     scrapy.settings.BaseSettings.set

[function] [call site] 00047


                     typing.cast.items

[function] [call site] 00048


                     scrapy.settings.BaseSettings.set

[function] [call site] 00049


                 scrapy.settings.BaseSettings.set

[function] [call site] 00050


                 scrapy.settings.BaseSettings.update

[function] [call site] 00051


               scrapy.settings.BaseSettings.getbool

[function] [call site] 00052


                 scrapy.settings.BaseSettings.get

[function] [call site] 00053


                 <builtin>.int

[function] [call site] 00054


                 <builtin>.bool

[function] [call site] 00055


               logging.getLogger

[function] [call site] 00056


               scrapy.utils.log.StreamLogger.__init__

[function] [call site] 00057


               scrapy.utils.log.install_scrapy_root_handler

[function] [call site] 00058


                 logging.root.removeHandler

[function] [call site] 00059


                 logging.root.setLevel

[function] [call site] 00060


                 scrapy.utils.log._get_handler

[function] [call site] 00061


                   scrapy.settings.BaseSettings.get

[function] [call site] 00062


                   scrapy.settings.BaseSettings.getbool

[function] [call site] 00063


                   scrapy.settings.BaseSettings.get

[function] [call site] 00064


                   logging.FileHandler

[function] [call site] 00065


                   scrapy.settings.BaseSettings.getbool

[function] [call site] 00066


                   logging.StreamHandler

[function] [call site] 00067


                   logging.NullHandler

[function] [call site] 00068


                   logging.Formatter

[function] [call site] 00069


                   scrapy.settings.BaseSettings.get

[function] [call site] 00070


                   scrapy.settings.BaseSettings.get

[function] [call site] 00071


                   handler.setFormatter

[function] [call site] 00072


                   scrapy.settings.BaseSettings.get

[function] [call site] 00073


                   handler.setLevel

[function] [call site] 00074


                   scrapy.settings.BaseSettings.getbool

[function] [call site] 00075


                   scrapy.utils.log.TopLevelFormatter.__init__

[function] [call site] 00076


                   handler.addFilter

[function] [call site] 00077


                 logging.root.addHandler

[function] [call site] 00078


             scrapy.utils.log.log_scrapy_info

[function] [call site] 00079


               logger.info

[function] [call site] 00080


               scrapy.utils.versions.scrapy_components_versions

[function] [call site] 00081


                 <builtin>.map

[function] [call site] 00082


                 <builtin>.map

[function] [call site] 00083


                 twisted.version.short

[function] [call site] 00084


                 sys.version.replace

[function] [call site] 00085


                 scrapy.utils.ssl.get_openssl_version

[function] [call site] 00086


                   OpenSSL.SSL.SSLeay_version

[function] [call site] 00087


                   system_openssl_bytes.decode

[function] [call site] 00088


                 platform.platform

[function] [call site] 00089


               logger.info

[function] [call site] 00090


           scrapy.crawler.CrawlerRunner.crawl

[function] [call site] 00091


             <builtin>.isinstance

[function] [call site] 00092


             scrapy.crawler.CrawlerRunner.create_crawler

[function] [call site] 00093


               <builtin>.isinstance

[function] [call site] 00094


               <builtin>.isinstance

[function] [call site] 00095


               scrapy.crawler.CrawlerRunner._create_crawler

[function] [call site] 00096


                 <builtin>.isinstance

[function] [call site] 00097


                 typing.cast

[function] [call site] 00098


                 scrapy.crawler.Crawler.__init__

[function] [call site] 00099


                   <builtin>.isinstance

[function] [call site] 00100


                   <builtin>.isinstance

[function] [call site] 00101


                   scrapy.settings.Settings.__init__

[function] [call site] 00102


                   scrapy.settings.BaseSettings.copy

[function] [call site] 00103


                   scrapy.crawler.Crawler._update_root_log_handler

[function] [call site] 00104


                     scrapy.utils.log.get_scrapy_root_handler

[function] [call site] 00105


                     scrapy.utils.log.install_scrapy_root_handler

[function] [call site] 00106


                   scrapy.addons.AddonManager.__init__

[function] [call site] 00107


                   scrapy.signalmanager.SignalManager.__init__

[function] [call site] 00108


               scrapy.crawler.CrawlerProcess._create_crawler

[function] [call site] 00109


                 <builtin>.isinstance

[function] [call site] 00110


                 scrapy.crawler.Crawler.__init__

[function] [call site] 00111


                 typing.cast

[function] [call site] 00112


             scrapy.crawler.CrawlerRunner._crawl

[function] [call site] 00113


               scrapy.crawler.Crawler.crawl

[function] [call site] 00114


                 warnings.warn

[function] [call site] 00115


                 scrapy.crawler.Crawler._create_spider

[function] [call site] 00116


                 scrapy.crawler.Crawler._apply_settings

[function] [call site] 00117


                   scrapy.utils.misc.load_object

[function] [call site] 00118


                     <builtin>.isinstance

[function] [call site] 00119


                     <builtin>.callable

[function] [call site] 00120


                     urllib.parse.urlparse.rindex

[function] [call site] 00121


                     typing.cast.rindex

[function] [call site] 00122


                     importlib.import_module

[function] [call site] 00123


                     <builtin>.getattr

[function] [call site] 00124


                   typing.cast

[function] [call site] 00125


                   urllib.parse.urlparse

[function] [call site] 00126


                   scrapy.utils.log.LogCounterHandler.__init__

[function] [call site] 00127


                     <builtin>.super

[function] [call site] 00128


                   logging.root.addHandler

[function] [call site] 00129


                   scrapy.utils.misc.load_object

[function] [call site] 00130


                   lf_cls.from_crawler

[function] [call site] 00131


                   scrapy.utils.misc.build_from_crawler

[function] [call site] 00132


                     <builtin>.hasattr

[function] [call site] 00133


                     objcls.from_crawler

[function] [call site] 00134


                     <builtin>.hasattr

[function] [call site] 00135


                     objcls.from_settings

[function] [call site] 00136


                   scrapy.utils.misc.load_object

[function] [call site] 00137


                   scrapy.utils.reactor.install_reactor

[function] [call site] 00138


                     scrapy.utils.misc.load_object

[function] [call site] 00139


                     scrapy.utils.reactor.set_asyncio_event_loop_policy

[function] [call site] 00140


                       scrapy.utils.reactor._get_asyncio_event_loop_policy

[function] [call site] 00141


                         asyncio.get_event_loop_policy

[function] [call site] 00142


                         <builtin>.isinstance

[function] [call site] 00143


                         asyncio.WindowsSelectorEventLoopPolicy

[function] [call site] 00144


                         asyncio.set_event_loop_policy

[function] [call site] 00145


                     contextlib.suppress

[function] [call site] 00146


                     scrapy.utils.reactor.set_asyncio_event_loop

[function] [call site] 00147


                       scrapy.utils.misc.load_object

[function] [call site] 00148


                       asyncio.set_event_loop

[function] [call site] 00149


                       warnings.catch_warnings

[function] [call site] 00150


                       warnings.filterwarnings

[function] [call site] 00151


                       asyncio.get_event_loop

[function] [call site] 00152


                       asyncio.new_event_loop

[function] [call site] 00153


                       asyncio.set_event_loop

[function] [call site] 00154


                     twisted.internet.asyncioreactor.install

[function] [call site] 00155


                     reactor_path.split

[function] [call site] 00156


                     scrapy.utils.misc.load_object

[function] [call site] 00157


                     contextlib.suppress

[function] [call site] 00158


                     typing.cast

[function] [call site] 00159


                     urllib.parse.urlparse

[function] [call site] 00160


                   scrapy.utils.log.log_reactor_info

[function] [call site] 00161


                     logger.debug

[function] [call site] 00162


                     <builtin>.isinstance

[function] [call site] 00163


                     logger.debug

[function] [call site] 00164


                   scrapy.utils.reactor.verify_installed_reactor

[function] [call site] 00165


                     scrapy.utils.misc.load_object

[function] [call site] 00166


                   scrapy.utils.reactor.is_asyncio_reactor_installed

[function] [call site] 00167


                     <builtin>.isinstance

[function] [call site] 00168


                   scrapy.utils.reactor.verify_installed_asyncio_event_loop

[function] [call site] 00169


                     scrapy.utils.misc.load_object

[function] [call site] 00170


                     <builtin>.isinstance

[function] [call site] 00171


                   scrapy.middleware.MiddlewareManager.from_crawler

[function] [call site] 00172


                     scrapy.middleware.MiddlewareManager.from_settings

[function] [call site] 00173


                       scrapy.middleware.MiddlewareManager._get_mwlist_from_settings

[function] [call site] 00174


                       scrapy.utils.misc.load_object

[function] [call site] 00175


                       scrapy.utils.misc.build_from_crawler

[function] [call site] 00176


                       scrapy.utils.misc.build_from_settings

[function] [call site] 00177


                         <builtin>.hasattr

[function] [call site] 00178


                         objcls.from_settings

[function] [call site] 00179


                       middlewares.append

[function] [call site] 00180


                       enabled.append

[function] [call site] 00181


                       logger.warning

[function] [call site] 00182


                       logger.info

[function] [call site] 00183


                       scrapy.middleware.MiddlewareManager.__init__

[function] [call site] 00184


                         collections.defaultdict

[function] [call site] 00185


                         scrapy.middleware.MiddlewareManager._add_middleware

[function] [call site] 00186


                           <builtin>.hasattr

[function] [call site] 00187


                           <builtin>.hasattr

[function] [call site] 00188


                   scrapy.settings.overridden_settings

[function] [call site] 00189


                     scrapy.settings.iter_default_settings

[function] [call site] 00190


                       <builtin>.dir

[function] [call site] 00191


                       name.isupper

[function] [call site] 00192


                       <builtin>.getattr

[function] [call site] 00193


                     <builtin>.isinstance

[function] [call site] 00194


                   <builtin>.dict

[function] [call site] 00195


                   logger.info

[function] [call site] 00196


                 scrapy.crawler.Crawler._update_root_log_handler

[function] [call site] 00197


                 scrapy.crawler.Crawler._create_engine

[function] [call site] 00198


                   scrapy.core.engine.ExecutionEngine.__init__

[function] [call site] 00199


                     scrapy.core.engine.ExecutionEngine._get_scheduler_class

[function] [call site] 00200


                       scrapy.utils.misc.load_object

[function] [call site] 00201


                       <builtin>.issubclass

[function] [call site] 00202


                     scrapy.utils.misc.load_object

[function] [call site] 00203


                     scrapy.core.scraper.Scraper.__init__

[function] [call site] 00204


                       scrapy.middleware.MiddlewareManager.from_crawler

[function] [call site] 00205


                       scrapy.utils.misc.load_object

[function] [call site] 00206


                       itemproc_cls.from_crawler

[function] [call site] 00207


                       crawler.settings.getint

[function] [call site] 00208


                 <builtin>.iter

[function] [call site] 00209


                 scrapy.core.engine.ExecutionEngine.open_spider

[function] [call site] 00210


                   logger.info

[function] [call site] 00211


                   scrapy.utils.reactor.CallLaterOnce.__init__

[function] [call site] 00212


                   scrapy.utils.misc.build_from_crawler

[function] [call site] 00213


                   scrapy.core.engine.Slot.__init__

[function] [call site] 00214


                     <builtin>.set

[function] [call site] 00215


                     <builtin>.iter

[function] [call site] 00216


                     twisted.internet.task.LoopingCall

[function] [call site] 00217


                   <builtin>.hasattr

[function] [call site] 00218


                   scheduler.open

[function] [call site] 00219


                   scrapy.core.scraper.Scraper.open_spider

[function] [call site] 00220


                     scrapy.core.scraper.Slot.__init__

[function] [call site] 00221


                       collections.deque

[function] [call site] 00222


                       <builtin>.set

[function] [call site] 00223


                 twisted.internet.defer.maybeDeferred

[function] [call site] 00224


                 scrapy.core.engine.ExecutionEngine.close

[function] [call site] 00225


                   scrapy.core.engine.ExecutionEngine.stop

[function] [call site] 00226


                     twisted.internet.defer.inlineCallbacks

[function] [call site] 00227


                     scrapy.core.engine.ExecutionEngine.close_spider

[function] [call site] 00228


                       logger.info

[function] [call site] 00229


                       scrapy.core.engine.Slot.close

[function] [call site] 00230


                         twisted.internet.defer.Deferred

[function] [call site] 00231


                         scrapy.core.engine.Slot._maybe_fire_closing

[function] [call site] 00232


                           twisted.internet.defer.Deferred.callback

[function] [call site] 00233


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00234


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00235


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00236


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00237


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00238


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00239


                       <builtin>.hasattr

[function] [call site] 00240


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00241


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00242


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00243


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00244


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00245


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00246


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00247


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00248


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00249


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00250


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00251


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00252


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00253


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00254


                       scrapy.core.engine.ExecutionEngine.close_spider.log_failure

[function] [call site] 00255


                       twisted.internet.defer.Deferred.addErrback

[function] [call site] 00256


                       twisted.internet.defer.Deferred.addBoth

[function] [call site] 00257


                     twisted.internet.defer.succeed

[function] [call site] 00258


                     dfd.addBoth

[function] [call site] 00259


                   scrapy.core.engine.ExecutionEngine.close_spider

[function] [call site] 00260


                   twisted.internet.defer.succeed

[function] [call site] 00261


               twisted.internet.defer.maybeDeferred.addBoth

[function] [call site] 00262


               twisted.internet.defer.succeed.addBoth

[function] [call site] 00263


               twisted.internet.defer.Deferred.addBoth

[function] [call site] 00264


           scrapy.crawler.CrawlerProcess.start

[function] [call site] 00265


             scrapy.crawler.CrawlerRunner.join

[function] [call site] 00266


               twisted.internet.defer.DeferredList

[function] [call site] 00267


             twisted.internet.defer.DeferredList.addBoth

[function] [call site] 00268


             scrapy.utils.misc.load_object

[function] [call site] 00269


             scrapy.utils.misc.build_from_crawler

[function] [call site] 00270


             resolver.install_on_reactor

[function] [call site] 00271


             twisted.internet.reactor.getThreadPool

[function] [call site] 00272


             scrapy.settings.BaseSettings.getint

[function] [call site] 00273


               scrapy.settings.BaseSettings.get

[function] [call site] 00274


               <builtin>.int

[function] [call site] 00275


             tp.adjustPoolsize

[function] [call site] 00276


             twisted.internet.reactor.addSystemEventTrigger

[function] [call site] 00277


             twisted.internet.reactor.addSystemEventTrigger

[function] [call site] 00278


             twisted.internet.reactor.run

[function] [call site] 00279