Fuzz introspector: fuzz_auth
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
289 4 ...fuzz_auth.ServerThread.__init__ call site: 00004 requests.sessions.Session.get
2 0 EP call site: 00000 ...fuzz_auth.ServerThread.__init__

Fuzzer calltree

0 ...fuzz_auth.TestInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 ...fuzz_auth.ServerThread.__init__ [function] [call site] 00002
2 socket.socket [function] [call site] 00003
2 threading.Thread.__init__ [function] [call site] 00004
1 threading.Thread.start [function] [call site] 00005
1 fdp.ConsumeString [function] [call site] 00006
1 fdp.ConsumeString [function] [call site] 00007
1 urllib.parse.quote [function] [call site] 00008
1 requests.compat.MutableMapping.url [function] [call site] 00009
1 fdp.ConsumeString [function] [call site] 00010
1 fdp.ConsumeString [function] [call site] 00011
1 urllib.parse.quote [function] [call site] 00012
1 requests.compat.MutableMapping.url [function] [call site] 00013
1 fdp.ConsumeString [function] [call site] 00014
1 requests.get [function] [call site] 00015
1 fdp.ConsumeString [function] [call site] 00016
1 requests.sessions.Session.get [function] [call site] 00017
2 kwargs.setdefault [function] [call site] 00018
2 requests.sessions.Session.request [function] [call site] 00019
3 requests.models.Request.__init__ [function] [call site] 00020
4 requests.hooks.default_hooks [function] [call site] 00021
4 hooks.items [function] [call site] 00022
4 <builtin>.list [function] [call site] 00023
4 requests.models.RequestHooksMixin.register_hook [function] [call site] 00024
5 <builtin>.isinstance [function] [call site] 00025
5 <builtin>.hasattr [function] [call site] 00026
5 <builtin>.isinstance [function] [call site] 00027
3 method.upper [function] [call site] 00028
3 requests.sessions.Session.prepare_request [function] [call site] 00029
4 <builtin>.isinstance [function] [call site] 00030
4 requests.cookies.cookiejar_from_dict [function] [call site] 00031
5 http.cookiejar.CookieJar.__init__ [function] [call site] 00032
5 requests.cookies.create_cookie [function] [call site] 00033
6 <builtin>.set [function] [call site] 00034
6 <builtin>.set [function] [call site] 00035
6 result.update [function] [call site] 00036
6 <builtin>.bool [function] [call site] 00037
6 <builtin>.bool [function] [call site] 00038
6 <builtin>.bool [function] [call site] 00039
6 http.cookiejar.Cookie [function] [call site] 00040
5 requests.cookies.RequestsCookieJar.set_cookie [function] [call site] 00041
6 <builtin>.hasattr [function] [call site] 00042
6 requests.compat.MutableMapping.url._cookies.value.startswith [function] [call site] 00043
6 urllib.parse.quote._cookies.value.startswith [function] [call site] 00044
6 urllib.parse.quote._cookies.value.endswith [function] [call site] 00045
6 requests.compat.MutableMapping.url._cookies.value.endswith [function] [call site] 00046
6 requests.compat.MutableMapping.url._cookies.value.replace [function] [call site] 00047
6 urllib.parse.quote._cookies.value.replace [function] [call site] 00048
6 <builtin>.super [function] [call site] 00049
5 urllib.parse.quote._cookies.set_cookie [function] [call site] 00050
5 requests.compat.MutableMapping.url._cookies.set_cookie [function] [call site] 00051
4 requests.cookies.merge_cookies [function] [call site] 00052
5 <builtin>.isinstance [function] [call site] 00053
5 <builtin>.isinstance [function] [call site] 00054
5 requests.cookies.cookiejar_from_dict [function] [call site] 00055
5 <builtin>.isinstance [function] [call site] 00056
5 requests.compat.MutableMapping.url._cookies.update [function] [call site] 00057
5 requests.cookies.RequestsCookieJar.update [function] [call site] 00058
6 <builtin>.isinstance [function] [call site] 00059
6 requests.cookies.RequestsCookieJar.set_cookie [function] [call site] 00060
6 <builtin>.super [function] [call site] 00061
5 urllib.parse.quote._cookies.update [function] [call site] 00062
5 requests.cookies.RequestsCookieJar.set_cookie [function] [call site] 00063
5 urllib.parse.quote._cookies.set_cookie [function] [call site] 00064
5 requests.compat.MutableMapping.url._cookies.set_cookie [function] [call site] 00065
4 http.cookiejar.CookieJar.__init__ [function] [call site] 00066
4 requests.cookies.merge_cookies [function] [call site] 00067
4 requests.utils.get_netrc_auth [function] [call site] 00068
5 os.environ.get [function] [call site] 00069
5 os.path.expanduser [function] [call site] 00070
5 os.path.exists [function] [call site] 00071
5 urllib.parse.urlparse [function] [call site] 00072
5 netrc.netrc [function] [call site] 00073
5 netrc.netrc.authenticators [function] [call site] 00074
4 urllib.parse.quote [function] [call site] 00075
4 requests.compat.MutableMapping.url [function] [call site] 00076
4 urllib.parse.quote.prepare [function] [call site] 00077
4 requests.compat.MutableMapping.url.prepare [function] [call site] 00078
4 request.method.upper [function] [call site] 00079
4 requests.sessions.merge_setting [function] [call site] 00080
5 <builtin>.isinstance [function] [call site] 00081
5 <builtin>.isinstance [function] [call site] 00082
5 requests.utils.to_key_val_list [function] [call site] 00083
6 <builtin>.isinstance [function] [call site] 00084
6 <builtin>.isinstance [function] [call site] 00085
6 requests.compat.MutableMapping.url.items [function] [call site] 00086
6 urllib.parse.quote.items [function] [call site] 00087
6 <builtin>.list [function] [call site] 00088
5 urllib.parse.quote [function] [call site] 00089
5 collections.OrderedDict [function] [call site] 00090
5 requests.compat.MutableMapping.url [function] [call site] 00091
5 requests.utils.to_key_val_list [function] [call site] 00092
5 urllib.parse.quote.update [function] [call site] 00093
5 requests.compat.MutableMapping.url.update [function] [call site] 00094
5 requests.compat.MutableMapping.url.items [function] [call site] 00095
5 urllib.parse.quote.items [function] [call site] 00096
4 requests.sessions.merge_setting [function] [call site] 00097
4 requests.sessions.merge_setting [function] [call site] 00098
4 requests.sessions.merge_hooks [function] [call site] 00099
5 requests.compat.MutableMapping.url.get [function] [call site] 00100
5 urllib.parse.quote.get [function] [call site] 00101
5 requests.compat.MutableMapping.url.get [function] [call site] 00102
5 urllib.parse.quote.get [function] [call site] 00103
5 requests.sessions.merge_setting [function] [call site] 00104
3 requests.sessions.Session.merge_environment_settings [function] [call site] 00105
4 requests.compat.MutableMapping.url.get [function] [call site] 00106
4 urllib.parse.quote.get [function] [call site] 00107
4 requests.utils.get_environ_proxies [function] [call site] 00108
5 requests.utils.should_bypass_proxies [function] [call site] 00109
6 requests.utils.should_bypass_proxies.get_proxy [function] [call site] 00110
7 os.environ.get [function] [call site] 00111
7 key.upper [function] [call site] 00112
7 os.environ.get [function] [call site] 00113
6 urllib.parse.urlparse [function] [call site] 00114
6 no_proxy.replace [function] [call site] 00115
6 requests.utils.is_ipv4_address [function] [call site] 00116
7 socket.inet_aton [function] [call site] 00117
6 requests.utils.is_valid_cidr [function] [call site] 00118
7 string_network.count [function] [call site] 00119
7 string_network.split [function] [call site] 00120
7 <builtin>.int [function] [call site] 00121
7 string_network.split [function] [call site] 00122
7 socket.inet_aton [function] [call site] 00123
6 requests.utils.address_in_network [function] [call site] 00124
7 socket.inet_aton [function] [call site] 00125
7 struct.unpack [function] [call site] 00126
7 net.split [function] [call site] 00127
7 <builtin>.int [function] [call site] 00128
7 requests.utils.dotted_netmask [function] [call site] 00129
8 struct.pack [function] [call site] 00130
8 socket.inet_ntoa [function] [call site] 00131
7 socket.inet_aton [function] [call site] 00132
7 struct.unpack [function] [call site] 00133
7 socket.inet_aton [function] [call site] 00134
7 struct.unpack [function] [call site] 00135
6 urllib.parse.urlparse.hostname.endswith [function] [call site] 00136
6 urllib.parse.urlparse.hostname.endswith [function] [call site] 00137
6 requests.utils.set_environ [function] [call site] 00138
7 os.environ.get [function] [call site] 00139
6 urllib.request.proxy_bypass [function] [call site] 00140
5 urllib.request.getproxies [function] [call site] 00141
4 urllib.request.getproxies.items [function] [call site] 00142
4 requests.compat.MutableMapping.url.setdefault [function] [call site] 00143
4 urllib.parse.quote.setdefault [function] [call site] 00144
4 os.environ.get [function] [call site] 00145
4 os.environ.get [function] [call site] 00146
4 requests.sessions.merge_setting [function] [call site] 00147
4 requests.sessions.merge_setting [function] [call site] 00148
4 requests.sessions.merge_setting [function] [call site] 00149
4 requests.sessions.merge_setting [function] [call site] 00150
3 send_kwargs.update [function] [call site] 00151
3 requests.sessions.Session.send [function] [call site] 00152
4 kwargs.setdefault [function] [call site] 00153
4 kwargs.setdefault [function] [call site] 00154
4 kwargs.setdefault [function] [call site] 00155
4 requests.utils.resolve_proxies [function] [call site] 00156
5 urllib.parse.urlparse [function] [call site] 00157
5 requests.compat.MutableMapping.url.get [function] [call site] 00158
5 urllib.parse.quote.get [function] [call site] 00159
5 requests.compat.MutableMapping.url.copy [function] [call site] 00160
5 urllib.parse.quote.copy [function] [call site] 00161
5 requests.utils.should_bypass_proxies [function] [call site] 00162
5 requests.utils.get_environ_proxies [function] [call site] 00163
5 requests.utils.get_environ_proxies.<dict1>.get [function] [call site] 00164
5 urllib.request.getproxies.get [function] [call site] 00165
5 requests.utils.get_environ_proxies.<dict1>.get [function] [call site] 00166
5 urllib.request.getproxies.get [function] [call site] 00167
5 new_proxies.setdefault [function] [call site] 00168
4 <builtin>.isinstance [function] [call site] 00169
4 kwargs.pop [function] [call site] 00170
4 kwargs.get [function] [call site] 00171
4 requests.sessions.Session.get_adapter [function] [call site] 00172
5 collections.OrderedDict.items [function] [call site] 00173
5 prefix.lower [function] [call site] 00174
5 urllib.parse.quote.lower [function] [call site] 00175
5 requests.compat.MutableMapping.url.lower [function] [call site] 00176
4 time.perf_counter [function] [call site] 00177
4 adapter.send [function] [call site] 00178
4 time.perf_counter [function] [call site] 00179
4 datetime.timedelta [function] [call site] 00180
4 requests.hooks.dispatch_hook [function] [call site] 00181
5 urllib.parse.quote.hooks.get [function] [call site] 00182
5 requests.compat.MutableMapping.url.get [function] [call site] 00183
5 requests.compat.MutableMapping.url.hooks.get [function] [call site] 00184
5 urllib.parse.quote.get [function] [call site] 00185
5 <builtin>.hasattr [function] [call site] 00186
5 urllib.parse.quote [function] [call site] 00187
5 urllib.parse.quote.hooks [function] [call site] 00188
5 requests.compat.MutableMapping.url.hooks [function] [call site] 00189
5 requests.compat.MutableMapping.url [function] [call site] 00190
4 requests.cookies.extract_cookies_to_jar [function] [call site] 00191
5 <builtin>.hasattr [function] [call site] 00192
5 requests.cookies.MockRequest.__init__ [function] [call site] 00193
6 urllib.parse.urlparse [function] [call site] 00194
5 requests.cookies.MockResponse.__init__ [function] [call site] 00195
5 urllib.parse.quote._cookies.extract_cookies [function] [call site] 00196
5 requests.compat.MutableMapping.url._cookies.extract_cookies [function] [call site] 00197
5 http.cookiejar.CookieJar.extract_cookies [function] [call site] 00198
4 requests.cookies.extract_cookies_to_jar [function] [call site] 00199
4 requests.sessions.SessionRedirectMixin.resolve_redirects [function] [call site] 00200
5 requests.sessions.SessionRedirectMixin.get_redirect_target [function] [call site] 00201
6 requests.compat.MutableMapping.url.encode [function] [call site] 00202
6 urllib.parse.quote.encode [function] [call site] 00203
6 requests._internal_utils.to_native_string [function] [call site] 00204
7 <builtin>.isinstance [function] [call site] 00205
7 requests.compat.MutableMapping.url.decode [function] [call site] 00206
7 urllib.parse.quote.decode [function] [call site] 00207
5 urllib.parse.urlparse [function] [call site] 00208
5 requests.compat.MutableMapping.url.copy [function] [call site] 00209
5 urllib.parse.quote.copy [function] [call site] 00210
5 hist.append [function] [call site] 00211
5 requests.compat.MutableMapping.url.raw.read [function] [call site] 00212
5 urllib.parse.quote.raw.read [function] [call site] 00213
5 <builtin>.len [function] [call site] 00214
5 requests.compat.MutableMapping.url.close [function] [call site] 00215
5 urllib.parse.quote.close [function] [call site] 00216
5 urllib.parse.quote.startswith [function] [call site] 00217
5 requests.compat.MutableMapping.url.startswith [function] [call site] 00218
5 urllib.parse.urlparse [function] [call site] 00219
5 urllib.parse.urlparse [function] [call site] 00220
5 urllib.parse.urlparse._replace [function] [call site] 00221
5 urllib.parse.urlparse.geturl [function] [call site] 00222
5 requests.utils.requote_uri [function] [call site] 00223
6 requests.utils.unquote_unreserved [function] [call site] 00224
7 requests.compat.MutableMapping.url.split [function] [call site] 00225
7 urllib.parse.quote.split [function] [call site] 00226
7 <builtin>.len [function] [call site] 00227
7 <builtin>.range [function] [call site] 00228
7 <builtin>.len [function] [call site] 00229
7 h.isalnum [function] [call site] 00230
7 <builtin>.int [function] [call site] 00231
7 <builtin>.chr [function] [call site] 00232
6 urllib.parse.quote [function] [call site] 00233
6 requests.compat.MutableMapping.url [function] [call site] 00234
6 urllib.parse.quote [function] [call site] 00235
6 requests.compat.MutableMapping.url [function] [call site] 00236
5 urllib.parse.quote [function] [call site] 00237
5 requests.compat.MutableMapping.url [function] [call site] 00238
5 requests.utils.requote_uri [function] [call site] 00239
5 requests._internal_utils.to_native_string [function] [call site] 00240
5 requests.sessions.SessionRedirectMixin.rebuild_method [function] [call site] 00241
5 urllib.parse.quote.headers.pop [function] [call site] 00242
5 requests.compat.MutableMapping.url.headers.pop [function] [call site] 00243
5 urllib.parse.quote.pop [function] [call site] 00244
5 urllib.parse.quote.headers.pop [function] [call site] 00245
5 requests.compat.MutableMapping.url.headers.pop [function] [call site] 00246
5 requests.compat.MutableMapping.url.pop [function] [call site] 00247
5 requests.cookies.extract_cookies_to_jar [function] [call site] 00248
5 requests.cookies.merge_cookies [function] [call site] 00249
5 requests.compat.MutableMapping.url.prepare_cookies [function] [call site] 00250
5 urllib.parse.quote.prepare_cookies [function] [call site] 00251
5 requests.sessions.SessionRedirectMixin.rebuild_proxies [function] [call site] 00252
6 urllib.parse.urlparse [function] [call site] 00253
6 requests.utils.resolve_proxies [function] [call site] 00254
6 requests.utils.get_auth_from_url [function] [call site] 00255
7 urllib.parse.urlparse [function] [call site] 00256
7 urllib.parse.unquote [function] [call site] 00257
7 urllib.parse.unquote [function] [call site] 00258
6 urllib.parse.urlparse.scheme.startswith [function] [call site] 00259
6 requests.auth._basic_auth_str [function] [call site] 00260
7 <builtin>.isinstance [function] [call site] 00261
7 warnings.warn [function] [call site] 00262
7 <builtin>.isinstance [function] [call site] 00263
7 warnings.warn [function] [call site] 00264
7 <builtin>.type [function] [call site] 00265
7 <builtin>.isinstance [function] [call site] 00266
7 requests.compat.MutableMapping.url.encode [function] [call site] 00267
7 urllib.parse.quote.encode [function] [call site] 00268
7 <builtin>.isinstance [function] [call site] 00269
7 requests.compat.MutableMapping.url.encode [function] [call site] 00270
7 urllib.parse.quote.encode [function] [call site] 00271
7 requests._internal_utils.to_native_string [function] [call site] 00272
7 base64.b64encode [function] [call site] 00273
7 base64.b64encode.strip [function] [call site] 00274
5 requests.sessions.SessionRedirectMixin.rebuild_auth [function] [call site] 00275
6 requests.sessions.SessionRedirectMixin.should_strip_auth [function] [call site] 00276
7 urllib.parse.urlparse [function] [call site] 00277
7 urllib.parse.urlparse [function] [call site] 00278
7 DEFAULT_PORTS.get [function] [call site] 00279
6 requests.utils.get_netrc_auth [function] [call site] 00280
6 requests.compat.MutableMapping.url.prepare_auth [function] [call site] 00281
6 urllib.parse.quote.prepare_auth [function] [call site] 00282
5 requests.utils.rewind_body [function] [call site] 00283
6 <builtin>.getattr [function] [call site] 00284
6 <builtin>.isinstance [function] [call site] 00285
5 requests.sessions.Session.send [function] [call site] 00286
5 requests.cookies.extract_cookies_to_jar [function] [call site] 00287
5 requests.sessions.SessionRedirectMixin.get_redirect_target [function] [call site] 00288
4 history.insert [function] [call site] 00289
4 history.pop [function] [call site] 00290
4 <builtin>.next [function] [call site] 00291
4 requests.sessions.SessionRedirectMixin.resolve_redirects [function] [call site] 00292
1 threading.Thread.join [function] [call site] 00293