Fuzz introspector: fuzz_unpickle
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
14 58 jsonpickle.util.items call site: 00058 jsonpickle.unpickler.Unpickler._restore
14 113 jsonpickle.unpickler.Unpickler._restore_reduce call site: 00113 jsonpickle.unpickler.Unpickler._swapref
14 212 jsonpickle.unpickler.Unpickler._restore_object_instance_variables call site: 00212 jsonpickle.unpickler.Unpickler._restore_state
7 38 jsonpickle.unpickler.Unpickler._restore call site: 00038 jsonpickle.unpickler.loadrepr
6 15 jsonpickle.unpickler.Unpickler.restore call site: 00015 jsonpickle.unpickler.Unpickler.register_classes
5 197 jsonpickle.unpickler.Unpickler._restore_from_dict call site: 00197 .setattr
4 26 jsonpickle.util.translate_module_name call site: 00026 jsonpickle.util.importable_name
4 142 jsonpickle.unpickler.Unpickler._restore_object call site: 00142 jsonpickle.unpickler.Unpickler._mkref
4 191 jsonpickle.unpickler.Unpickler._restore_from_dict call site: 00191 .hasattr
3 7 jsonpickle.unpickler.decode call site: 00007 jsonpickle.util._is_function
3 107 jsonpickle.unpickler.Unpickler._restore_reduce call site: 00107 jsonpickle.unpickler.Unpickler._restore
2 2 ...jsonpickle.fuzzing.fuzz-targets.fuzz_unpickle.TestOneInput call site: 00002 fdp.remaining_bytes

Fuzzer calltree

0 ...jsonpickle.fuzzing.fuzz-targets.fuzz_unpickle.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00002
1 fdp.remaining_bytes [function] [call site] 00003
1 fdp.ConsumeIntInRange [function] [call site] 00004
1 jsonpickle.unpickler.decode [function] [call site] 00005
2 <builtin>.isinstance [function] [call site] 00006
2 on_missing.lower [function] [call site] 00007
2 jsonpickle.util._is_function [function] [call site] 00008
3 <builtin>.type [function] [call site] 00009
2 warnings.warn [function] [call site] 00010
2 jsonpickle.unpickler.Unpickler.__init__ [function] [call site] 00011
3 jsonpickle.unpickler.Unpickler.reset [function] [call site] 00012
2 backend.decode [function] [call site] 00013
2 jsonpickle.unpickler.Unpickler.restore [function] [call site] 00014
3 jsonpickle.unpickler.Unpickler.reset [function] [call site] 00015
3 jsonpickle.unpickler.Unpickler.register_classes [function] [call site] 00016
4 <builtin>.isinstance [function] [call site] 00017
4 jsonpickle.unpickler.Unpickler.register_classes [function] [call site] 00018
4 <builtin>.isinstance [function] [call site] 00019
4 <builtin>.isinstance [function] [call site] 00020
4 jsonpickle.util.importable_name [function] [call site] 00021
5 _TYPES_IMPORTABLE_NAMES.get [function] [call site] 00022
5 <builtin>.getattr [function] [call site] 00023
5 jsonpickle.util.translate_module_name [function] [call site] 00024
6 <builtin>.dict [function] [call site] 00025
6 lookup.get [function] [call site] 00026
5 <builtin>.hasattr [function] [call site] 00027
5 <builtin>.hasattr [function] [call site] 00028
4 classes.items [function] [call site] 00029
4 jsonpickle.util.importable_name [function] [call site] 00030
3 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00031
4 <builtin>.isinstance [function] [call site] 00032
4 jsonpickle.unpickler.Unpickler._restore_tags [function] [call site] 00033
5 <builtin>.set [function] [call site] 00034
5 <builtin>.type [function] [call site] 00035
5 <builtin>.type [function] [call site] 00036
5 <builtin>.type [function] [call site] 00037
4 jsonpickle.unpickler.Unpickler._restore_repr [function] [call site] 00038
5 jsonpickle.unpickler.loadrepr [function] [call site] 00039
6 reprstr.split [function] [call site] 00040
6 <builtin>.locals [function] [call site] 00041
6 module.split [function] [call site] 00042
6 <builtin>.__import__ [function] [call site] 00043
6 <builtin>.eval [function] [call site] 00044
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00045
6 <builtin>.id [function] [call site] 00046
6 <builtin>.len [function] [call site] 00047
6 jsonpickle.unpickler.Unpickler._refname [function] [call site] 00048
4 jsonpickle.unpickler.Unpickler._restore_base85 [function] [call site] 00049
5 jsonpickle.util.b85decode [function] [call site] 00050
6 base64.b85decode [function] [call site] 00051
4 jsonpickle.unpickler.Unpickler._restore_tuple [function] [call site] 00052
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00053
5 <builtin>.tuple [function] [call site] 00054
4 jsonpickle.unpickler.Unpickler._restore_dict [function] [call site] 00055
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00056
5 jsonpickle.util.items [function] [call site] 00057
6 obj.items [function] [call site] 00058
5 jsonpickle.unpickler._is_json_key [function] [call site] 00059
6 <builtin>.isinstance [function] [call site] 00060
6 key.startswith [function] [call site] 00061
5 <builtin>.isinstance [function] [call site] 00062
5 k.__str__ [function] [call site] 00063
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00064
5 jsonpickle.util.items [function] [call site] 00065
5 jsonpickle.unpickler._is_json_key [function] [call site] 00066
5 jsonpickle.unpickler.Unpickler._restore_pickled_key [function] [call site] 00067
6 jsonpickle.unpickler._is_json_key [function] [call site] 00068
6 jsonpickle.unpickler.decode [function] [call site] 00069
6 <builtin>.len [function] [call site] 00070
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00071
5 <builtin>.isinstance [function] [call site] 00072
5 jsonpickle.util.items [function] [call site] 00073
5 <builtin>.isinstance [function] [call site] 00074
5 k.__str__ [function] [call site] 00075
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00076
5 <builtin>.isinstance [function] [call site] 00077
4 jsonpickle.unpickler.Unpickler._restore_set [function] [call site] 00078
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00079
5 <builtin>.set [function] [call site] 00080
4 jsonpickle.unpickler.Unpickler._restore_id [function] [call site] 00081
5 jsonpickle.unpickler._IDProxy.__init__ [function] [call site] 00082
4 jsonpickle.unpickler.Unpickler._restore_base64 [function] [call site] 00083
5 jsonpickle.util.b64decode [function] [call site] 00084
6 base64.b64decode [function] [call site] 00085
4 jsonpickle.unpickler.Unpickler._restore_repr_safe [function] [call site] 00086
5 jsonpickle.unpickler._loadmodule [function] [call site] 00087
6 module_str.split [function] [call site] 00088
6 <builtin>.__import__ [function] [call site] 00089
6 identifier.split [function] [call site] 00090
6 module.startswith [function] [call site] 00091
6 <builtin>.getattr [function] [call site] 00092
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00093
4 jsonpickle.unpickler.Unpickler._restore_reduce [function] [call site] 00094
5 jsonpickle.unpickler._Proxy.__init__ [function] [call site] 00095
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00096
5 <builtin>.map [function] [call site] 00097
5 <builtin>.list [function] [call site] 00098
5 jsonpickle.unpickler._Proxy.reset [function] [call site] 00099
5 jsonpickle.unpickler.Unpickler._swapref [function] [call site] 00100
6 <builtin>.id [function] [call site] 00101
6 <builtin>.id [function] [call site] 00102
6 jsonpickle.unpickler.Unpickler._refname [function] [call site] 00103
5 <builtin>.len [function] [call site] 00104
5 <builtin>.len [function] [call site] 00105
5 reduce_val.extend [function] [call site] 00106
5 <builtin>.getattr [function] [call site] 00107
5 <builtin>.isinstance [function] [call site] 00108
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00109
5 cls.__new__ [function] [call site] 00110
5 <builtin>.callable [function] [call site] 00111
5 jsonpickle.unpickler._Proxy.reset [function] [call site] 00112
5 jsonpickle.unpickler.Unpickler._swapref [function] [call site] 00113
5 f.__new__ [function] [call site] 00114
5 stage1.__setstate__ [function] [call site] 00115
5 stage1.__dict__.items [function] [call site] 00116
5 state.setdefault [function] [call site] 00117
5 state.items [function] [call site] 00118
5 <builtin>.setattr [function] [call site] 00119
5 stage1.__dict__.update [function] [call site] 00120
5 slots_state.items [function] [call site] 00121
5 <builtin>.setattr [function] [call site] 00122
5 stage1.extend [function] [call site] 00123
5 stage1.append [function] [call site] 00124
5 stage1.__setitem__ [function] [call site] 00125
5 jsonpickle.unpickler._Proxy.reset [function] [call site] 00126
5 jsonpickle.unpickler.Unpickler._swapref [function] [call site] 00127
4 jsonpickle.unpickler.Unpickler._restore_function [function] [call site] 00128
5 jsonpickle.util.loadclass [function] [call site] 00129
6 module_and_name.rsplit [function] [call site] 00130
6 module_and_name.split [function] [call site] 00131
6 <builtin>.len [function] [call site] 00132
6 <builtin>.range [function] [call site] 00133
6 jsonpickle.util.untranslate_module_name [function] [call site] 00134
7 jsonpickle.util._0_9_6_compat_untranslate [function] [call site] 00135
8 <builtin>.dict [function] [call site] 00136
8 lookup.get [function] [call site] 00137
6 <builtin>.__import__ [function] [call site] 00138
6 <builtin>.getattr [function] [call site] 00139
6 <builtin>.type [function] [call site] 00140
4 jsonpickle.unpickler.Unpickler._restore_object [function] [call site] 00141
5 jsonpickle.util.loadclass [function] [call site] 00142
5 jsonpickle.unpickler._Proxy.__init__ [function] [call site] 00143
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00144
5 jsonpickle.unpickler._Proxy.reset [function] [call site] 00145
5 jsonpickle.unpickler.Unpickler._swapref [function] [call site] 00146
5 jsonpickle.unpickler.Unpickler._process_missing [function] [call site] 00147
6 warnings.warn [function] [call site] 00148
6 jsonpickle.util._is_function [function] [call site] 00149
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00150
5 jsonpickle.unpickler.Unpickler._restore_object_instance [function] [call site] 00151
6 jsonpickle.unpickler._Proxy.__init__ [function] [call site] 00152
6 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00153
6 jsonpickle.unpickler.Unpickler._loadfactory [function] [call site] 00154
7 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00155
6 jsonpickle.unpickler.has_tag [function] [call site] 00156
7 <builtin>.type [function] [call site] 00157
6 jsonpickle.unpickler.getargs [function] [call site] 00158
7 jsonpickle.unpickler.has_tag [function] [call site] 00159
7 jsonpickle.unpickler.has_tag [function] [call site] 00160
7 jsonpickle.unpickler.has_tag [function] [call site] 00161
7 jsonpickle.util.loadclass [function] [call site] 00162
7 <builtin>.hasattr [function] [call site] 00163
7 <builtin>.len [function] [call site] 00164
7 <builtin>.len [function] [call site] 00165
6 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00166
6 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00167
6 <builtin>.isinstance [function] [call site] 00168
6 <builtin>.getattr [function] [call site] 00169
6 <builtin>.hasattr [function] [call site] 00170
6 cls.__new__ [function] [call site] 00171
6 cls.__new__ [function] [call site] 00172
6 object.__new__ [function] [call site] 00173
6 jsonpickle.unpickler.make_blank_classic [function] [call site] 00174
6 jsonpickle.unpickler.Unpickler._process_missing [function] [call site] 00175
6 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00176
6 jsonpickle.unpickler._Proxy.reset [function] [call site] 00177
6 jsonpickle.unpickler.Unpickler._swapref [function] [call site] 00178
6 <builtin>.isinstance [function] [call site] 00179
6 jsonpickle.unpickler.Unpickler._restore_object_instance_variables [function] [call site] 00180
7 jsonpickle.unpickler.Unpickler._restore_from_dict [function] [call site] 00181
8 jsonpickle.unpickler.Unpickler._restore_key_fn [function] [call site] 00182
8 jsonpickle.util.items [function] [call site] 00183
8 <builtin>.isinstance [function] [call site] 00184
8 k.__str__ [function] [call site] 00185
8 jsonpickle.unpickler.Unpickler._restore_pickled_key [function] [call site] 00186
8 jsonpickle.unpickler._passthrough [function] [call site] 00187
8 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00188
8 jsonpickle.util._is_noncomplex [function] [call site] 00189
9 <builtin>.type [function] [call site] 00190
8 jsonpickle.util._is_dictionary_subclass [function] [call site] 00191
9 <builtin>.hasattr [function] [call site] 00192
9 <builtin>.issubclass [function] [call site] 00193
9 <builtin>.type [function] [call site] 00194
8 <builtin>.setattr [function] [call site] 00195
8 k.startswith [function] [call site] 00196
8 <builtin>.setattr [function] [call site] 00197
8 <builtin>.setattr [function] [call site] 00198
8 object.__setattr__ [function] [call site] 00199
8 <builtin>.hasattr [function] [call site] 00200
8 <builtin>.len [function] [call site] 00201
8 <builtin>.issubclass [function] [call site] 00202
8 <builtin>.setattr [function] [call site] 00203
8 <builtin>.isinstance [function] [call site] 00204
7 jsonpickle.unpickler.has_tag [function] [call site] 00205
7 <builtin>.hasattr [function] [call site] 00206
7 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00207
7 instance.append [function] [call site] 00208
7 <builtin>.hasattr [function] [call site] 00209
7 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00210
7 instance.add [function] [call site] 00211
7 jsonpickle.unpickler.has_tag [function] [call site] 00212
7 jsonpickle.unpickler.Unpickler._restore_state [function] [call site] 00213
8 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00214
8 <builtin>.isinstance [function] [call site] 00215
8 <builtin>.len [function] [call site] 00216
8 <builtin>.isinstance [function] [call site] 00217
8 <builtin>.isinstance [function] [call site] 00218
8 <builtin>.hasattr [function] [call site] 00219
8 instance.__setstate__ [function] [call site] 00220
8 <builtin>.isinstance [function] [call site] 00221
8 jsonpickle.unpickler.Unpickler._restore_from_dict [function] [call site] 00222
8 jsonpickle.unpickler.Unpickler._restore_from_dict [function] [call site] 00223
8 jsonpickle.unpickler.Unpickler._restore_from_dict [function] [call site] 00224
8 <builtin>.hasattr [function] [call site] 00225
8 <builtin>.hasattr [function] [call site] 00226
6 jsonpickle.unpickler._safe_hasattr [function] [call site] 00227
7 object.__getattribute__ [function] [call site] 00228
6 <builtin>.isinstance [function] [call site] 00229
6 instance.default_factory.get [function] [call site] 00230
4 jsonpickle.unpickler.Unpickler._restore_list [function] [call site] 00231
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00232
5 jsonpickle.unpickler.Unpickler._restore [function] [call site] 00233
5 parent.extend [function] [call site] 00234
5 <builtin>.enumerate [function] [call site] 00235
5 <builtin>.isinstance [function] [call site] 00236
4 jsonpickle.unpickler._passthrough [function] [call site] 00237
4 jsonpickle.unpickler.Unpickler._restore_module [function] [call site] 00238
5 jsonpickle.unpickler._loadmodule [function] [call site] 00239
5 jsonpickle.unpickler.Unpickler._mkref [function] [call site] 00240
4 jsonpickle.unpickler.Unpickler._restore_type [function] [call site] 00241
5 jsonpickle.util.loadclass [function] [call site] 00242
4 jsonpickle.unpickler.Unpickler._restore_iterator [function] [call site] 00243
5 jsonpickle.unpickler.Unpickler._restore_list [function] [call site] 00244
5 <builtin>.iter [function] [call site] 00245
5 <builtin>.iter [function] [call site] 00246
3 jsonpickle.unpickler.Unpickler._swap_proxies [function] [call site] 00247
2 jsonpickle.unpickler.Unpickler.reset [function] [call site] 00248
1 utils.is_expected_error [function] [call site] 00249