Fuzz introspector: fuzz_normalize
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
227 0 EP call site: 00000 charset_normalizer.api.from_bytes

Fuzzer calltree

0 ...fuzz_normalize.TestOneInput [function] [call site] 00000
1 charset_normalizer.api.from_bytes [function] [call site] 00001
2 <builtin>.isinstance [function] [call site] 00002
2 logger.addHandler [function] [call site] 00003
2 logger.setLevel [function] [call site] 00004
2 <builtin>.len [function] [call site] 00005
2 logger.debug [function] [call site] 00006
2 logger.removeHandler [function] [call site] 00007
2 logger.setLevel [function] [call site] 00008
2 charset_normalizer.models.CharsetMatch.__init__ [function] [call site] 00009
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00010
3 <builtin>.sorted [function] [call site] 00011
2 logger.log [function] [call site] 00012
2 charset_normalizer.utils.iana_name [function] [call site] 00013
3 cp_name.lower [function] [call site] 00014
3 encodings.aliases.aliases.items [function] [call site] 00015
2 logger.log [function] [call site] 00016
2 charset_normalizer.utils.iana_name [function] [call site] 00017
2 logger.log [function] [call site] 00018
2 <builtin>.int [function] [call site] 00019
2 <builtin>.len [function] [call site] 00020
2 <builtin>.len [function] [call site] 00021
2 logger.log [function] [call site] 00022
2 logger.log [function] [call site] 00023
2 charset_normalizer.utils.any_specified_encoding [function] [call site] 00024
3 <builtin>.isinstance [function] [call site] 00025
3 <builtin>.len [function] [call site] 00026
3 re.findall [function] [call site] 00027
3 <builtin>.min [function] [call site] 00028
3 <builtin>.len [function] [call site] 00029
3 specified_encoding.lower [function] [call site] 00030
3 encodings.aliases.aliases.items [function] [call site] 00031
2 prioritized_encodings.append [function] [call site] 00032
2 logger.log [function] [call site] 00033
2 <builtin>.set [function] [call site] 00034
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00035
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00036
2 charset_normalizer.utils.identify_sig_or_bom [function] [call site] 00037
3 <builtin>.isinstance [function] [call site] 00038
3 sequence.startswith [function] [call site] 00039
2 prioritized_encodings.append [function] [call site] 00040
2 logger.log [function] [call site] 00041
2 <builtin>.len [function] [call site] 00042
2 prioritized_encodings.append [function] [call site] 00043
2 prioritized_encodings.append [function] [call site] 00044
2 tested.add [function] [call site] 00045
2 charset_normalizer.utils.should_strip_sig_or_bom [function] [call site] 00046
2 logger.log [function] [call site] 00047
2 logger.log [function] [call site] 00048
2 charset_normalizer.utils.is_multi_byte_encoding [function] [call site] 00049
3 <builtin>.issubclass [function] [call site] 00050
3 importlib.import_module [function] [call site] 00051
2 logger.log [function] [call site] 00052
2 <builtin>.str [function] [call site] 00053
2 <builtin>.int [function] [call site] 00054
2 <builtin>.len [function] [call site] 00055
2 <builtin>.int [function] [call site] 00056
2 <builtin>.str [function] [call site] 00057
2 <builtin>.len [function] [call site] 00058
2 <builtin>.isinstance [function] [call site] 00059
2 logger.log [function] [call site] 00060
2 <builtin>.str [function] [call site] 00061
2 tested_but_hard_failure.append [function] [call site] 00062
2 charset_normalizer.utils.is_cp_similar [function] [call site] 00063
2 logger.log [function] [call site] 00064
2 <builtin>.range [function] [call site] 00065
2 <builtin>.len [function] [call site] 00066
2 <builtin>.int [function] [call site] 00067
2 <builtin>.len [function] [call site] 00068
2 logger.log [function] [call site] 00069
2 <builtin>.len [function] [call site] 00070
2 <builtin>.int [function] [call site] 00071
2 <builtin>.max [function] [call site] 00072
2 charset_normalizer.utils.cut_sequence_chunks [function] [call site] 00073
3 <builtin>.len [function] [call site] 00074
3 cut_sequence.decode [function] [call site] 00075
3 <builtin>.min [function] [call site] 00076
3 <builtin>.range [function] [call site] 00077
3 cut_sequence.decode [function] [call site] 00078
2 md_chunks.append [function] [call site] 00079
2 md_ratios.append [function] [call site] 00080
2 charset_normalizer.md.mess_ratio [function] [call site] 00081
3 MessDetectorPlugin.__subclasses__ [function] [call site] 00082
3 <builtin>.len [function] [call site] 00083
3 <builtin>.range [function] [call site] 00084
3 <builtin>.zip [function] [call site] 00085
3 detector.eligible [function] [call site] 00086
3 detector.feed [function] [call site] 00087
3 <builtin>.sum [function] [call site] 00088
3 logging.getLogger [function] [call site] 00089
3 logging.getLogger.log [function] [call site] 00090
3 <builtin>.len [function] [call site] 00091
3 logging.getLogger.log [function] [call site] 00092
3 logging.getLogger.log [function] [call site] 00093
3 logging.getLogger.log [function] [call site] 00094
3 <builtin>.round [function] [call site] 00095
2 <builtin>.len [function] [call site] 00096
2 logger.log [function] [call site] 00097
2 <builtin>.str [function] [call site] 00098
2 <builtin>.int [function] [call site] 00099
2 logger.log [function] [call site] 00100
2 <builtin>.str [function] [call site] 00101
2 tested_but_hard_failure.append [function] [call site] 00102
2 <builtin>.sum [function] [call site] 00103
2 <builtin>.len [function] [call site] 00104
2 tested_but_soft_failure.append [function] [call site] 00105
2 logger.log [function] [call site] 00106
2 <builtin>.round [function] [call site] 00107
2 charset_normalizer.models.CharsetMatch.__init__ [function] [call site] 00108
2 logger.log [function] [call site] 00109
2 <builtin>.round [function] [call site] 00110
2 charset_normalizer.cd.encoding_languages [function] [call site] 00111
3 charset_normalizer.cd.encoding_unicode_range [function] [call site] 00112
4 charset_normalizer.utils.is_multi_byte_encoding [function] [call site] 00113
4 importlib.import_module [function] [call site] 00114
4 <builtin>.range [function] [call site] 00115
4 <builtin>.bytes [function] [call site] 00116
4 charset_normalizer.utils.unicode_range [function] [call site] 00118
5 <builtin>.ord [function] [call site] 00119
5 UNICODE_RANGES_COMBINED.items [function] [call site] 00120
4 charset_normalizer.utils.is_unicode_range_secondary [function] [call site] 00121
5 <builtin>.any [function] [call site] 00122
4 <builtin>.sorted [function] [call site] 00123
3 charset_normalizer.cd.unicode_range_languages [function] [call site] 00124
4 FREQUENCIES.items [function] [call site] 00125
4 charset_normalizer.utils.unicode_range [function] [call site] 00126
4 languages.append [function] [call site] 00127
2 charset_normalizer.cd.mb_encoding_languages [function] [call site] 00128
2 logger.log [function] [call site] 00129
2 <builtin>.str [function] [call site] 00130
2 charset_normalizer.cd.coherence_ratio [function] [call site] 00131
3 lg_inclusion.split [function] [call site] 00132
3 lg_inclusion_list.remove [function] [call site] 00133
3 charset_normalizer.cd.alpha_unicode_split [function] [call site] 00134
4 character.isalpha [function] [call site] 00135
4 charset_normalizer.utils.unicode_range [function] [call site] 00136
4 charset_normalizer.md.is_suspiciously_successive_range [function] [call site] 00137
5 unicode_range_a.split [function] [call site] 00138
5 unicode_range_b.split [function] [call site] 00139
4 character.lower [function] [call site] 00140
4 character.lower [function] [call site] 00141
4 layers.values [function] [call site] 00142
4 <builtin>.list [function] [call site] 00143
3 collections.Counter [function] [call site] 00144
3 sequence_frequencies.most_common [function] [call site] 00145
3 <builtin>.sum [function] [call site] 00146
3 charset_normalizer.cd.alphabet_languages [function] [call site] 00147
4 charset_normalizer.utils.is_accentuated [function] [call site] 00148
5 unicodedata.name [function] [call site] 00149
4 <builtin>.any [function] [call site] 00150
4 FREQUENCIES.items [function] [call site] 00151
4 charset_normalizer.cd.get_target_features [function] [call site] 00152
5 charset_normalizer.utils.is_accentuated [function] [call site] 00153
5 charset_normalizer.utils.is_latin [function] [call site] 00154
6 unicodedata.name [function] [call site] 00155
4 <builtin>.len [function] [call site] 00156
4 <builtin>.len [function] [call site] 00157
4 languages.append [function] [call site] 00158
4 <builtin>.sorted [function] [call site] 00159
3 charset_normalizer.cd.characters_popularity_compare [function] [call site] 00160
4 <builtin>.set [function] [call site] 00161
4 <builtin>.len [function] [call site] 00162
4 <builtin>.len [function] [call site] 00163
4 <builtin>.zip [function] [call site] 00164
4 <builtin>.range [function] [call site] 00165
4 <builtin>.int [function] [call site] 00166
4 <builtin>.abs [function] [call site] 00167
4 <builtin>.abs [function] [call site] 00168
4 <builtin>.len [function] [call site] 00169
4 <builtin>.set [function] [call site] 00170
4 <builtin>.set [function] [call site] 00171
4 <builtin>.len [function] [call site] 00172
4 <builtin>.set [function] [call site] 00173
4 <builtin>.set [function] [call site] 00174
4 <builtin>.len [function] [call site] 00175
4 <builtin>.len [function] [call site] 00176
4 <builtin>.len [function] [call site] 00177
4 <builtin>.len [function] [call site] 00178
4 <builtin>.len [function] [call site] 00179
3 <builtin>.round [function] [call site] 00180
3 results.append [function] [call site] 00181
3 <builtin>.sorted [function] [call site] 00182
3 charset_normalizer.cd.filter_alt_coherence_matches [function] [call site] 00183
4 <builtin>.dict [function] [call site] 00184
4 language.replace [function] [call site] 00185
4 <builtin>.len [function] [call site] 00186
4 <builtin>.any [function] [call site] 00187
4 <builtin>.max [function] [call site] 00188
4 filtered_results.append [function] [call site] 00189
2 cd_ratios.append [function] [call site] 00190
2 charset_normalizer.cd.merge_coherence_ratios [function] [call site] 00191
3 <builtin>.round [function] [call site] 00192
3 <builtin>.sum [function] [call site] 00193
3 <builtin>.len [function] [call site] 00194
3 <builtin>.sorted [function] [call site] 00195
2 logger.log [function] [call site] 00196
2 charset_normalizer.models.CharsetMatch.__init__ [function] [call site] 00197
2 results.append [function] [call site] 00198
2 logger.debug [function] [call site] 00199
2 logger.removeHandler [function] [call site] 00200
2 logger.setLevel [function] [call site] 00201
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00202
2 early_stop_results.append [function] [call site] 00203
2 <builtin>.len [function] [call site] 00204
2 early_stop_results.best [function] [call site] 00205
2 logger.debug [function] [call site] 00206
2 logger.removeHandler [function] [call site] 00207
2 logger.setLevel [function] [call site] 00208
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00209
2 logger.debug [function] [call site] 00210
2 logger.removeHandler [function] [call site] 00211
2 logger.setLevel [function] [call site] 00212
2 charset_normalizer.models.CharsetMatches.__init__ [function] [call site] 00213
2 <builtin>.len [function] [call site] 00214
2 logger.log [function] [call site] 00215
2 logger.debug [function] [call site] 00216
2 results.append [function] [call site] 00217
2 logger.debug [function] [call site] 00218
2 results.append [function] [call site] 00219
2 logger.debug [function] [call site] 00220
2 results.append [function] [call site] 00221
2 logger.debug [function] [call site] 00222
2 results.best [function] [call site] 00223
2 <builtin>.len [function] [call site] 00224
2 logger.debug [function] [call site] 00225
2 logger.removeHandler [function] [call site] 00226
2 logger.setLevel [function] [call site] 00227