Fuzz introspector: fuzz_parse
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
38 67 pyparsing.core.SkipTo.__init__ call site: 00067 pyparsing.core.token_map.pa
19 33 ...fuzz_parse.dict_parse_generator call site: 00033 pyparsing.helpers.match_previous_literal.copy_token_to_repeater
17 109 pyparsing.core.SkipTo._update_ignorer call site: 00109 pyparsing.core.Combine.ignore
12 53 pyparsing.core.Opt.__init__ call site: 00053 pyparsing.core.And.__init__
10 3 ...fuzz_parse.dict_parse_generator call site: 00003 pyparsing.core.ParserElement.set_parse_action
3 14 pyparsing.core.ParserElement.set_parse_action call site: 00014 typing.cast.parseAction.clear
2 24 pyparsing.core.ParserElement.set_parse_action call site: 00024 kwargs.get
2 30 ...fuzz_parse.dict_parse_generator call site: 00030 typing.TypeVar.re.sub
2 236 pyparsing.core.NoMatch.__init__ call site: 00236 pyparsing.core._PendingSkip.__init__
1 27 ...fuzz_parse.dict_parse_generator call site: 00027 pyparsing.core.Empty.__init__
1 234 ...fuzz_parse.dict_parse_generator call site: 00234 pyparsing.core.NoMatch.__init__

Fuzzer calltree

0 ...fuzz_parse.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 ...fuzz_parse.dict_parse_generator [function] [call site] 00002
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00003
3 typing.cast.as_list [function] [call site] 00004
3 typing.TypeVar.as_list [function] [call site] 00005
3 abc.ABC.as_list [function] [call site] 00006
3 pyparsing.util._flatten [function] [call site] 00007
4 to_visit.pop [function] [call site] 00008
4 <builtin>.isinstance [function] [call site] 00009
4 <builtin>.isinstance [function] [call site] 00010
4 ret.append [function] [call site] 00011
3 typing.cast.set_parse_action [function] [call site] 00012
3 pyparsing.core.ParserElement.set_parse_action [function] [call site] 00013
4 <builtin>.list [function] [call site] 00014
4 typing.cast.parseAction.clear [function] [call site] 00015
4 abc.ABC.parseAction.clear [function] [call site] 00016
4 typing.TypeVar.parseAction.clear [function] [call site] 00017
4 <builtin>.callable [function] [call site] 00018
4 <builtin>.all [function] [call site] 00019
4 pyparsing.core._trim_arity [function] [call site] 00020
5 traceback.extract_stack [function] [call site] 00021
5 <builtin>.getattr [function] [call site] 00022
5 <builtin>.getattr [function] [call site] 00023
4 kwargs.get [function] [call site] 00024
4 kwargs.get [function] [call site] 00025
3 typing.TypeVar.set_parse_action [function] [call site] 00026
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00027
3 pyparsing.core.Empty.__init__ [function] [call site] 00028
4 <builtin>.super [function] [call site] 00029
2 pyparsing.core.Regex.sub.pa [function] [call site] 00030
3 typing.TypeVar.re.sub [function] [call site] 00031
3 typing.cast.re.sub [function] [call site] 00032
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00033
3 pyparsing.core.Empty.__init__ [function] [call site] 00034
3 <builtin>.len [function] [call site] 00035
3 typing.cast.as_list [function] [call site] 00036
3 typing.TypeVar.as_list [function] [call site] 00037
3 abc.ABC.as_list [function] [call site] 00038
3 pyparsing.util._flatten [function] [call site] 00039
3 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00040
3 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00041
3 pyparsing.core.Regex.sub.pa [function] [call site] 00042
3 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00043
3 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00044
4 pyparsing.util.col [function] [call site] 00045
5 <builtin>.len [function] [call site] 00046
5 typing.cast.rfind [function] [call site] 00047
5 abc.ABC.rfind [function] [call site] 00048
4 indentStack.append [function] [call site] 00049
3 pyparsing.actions.remove_quotes [function] [call site] 00050
3 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00051
3 pyparsing.core.Opt.__init__ [function] [call site] 00052
4 <builtin>.super [function] [call site] 00053
3 pyparsing.core.And.__init__ [function] [call site] 00054
4 <builtin>.isinstance [function] [call site] 00055
4 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00056
4 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00057
4 pyparsing.core.Regex.sub.pa [function] [call site] 00058
4 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00059
4 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00060
4 pyparsing.actions.remove_quotes [function] [call site] 00061
4 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00062
4 pyparsing.core.Opt.__init__ [function] [call site] 00063
4 <builtin>.zip [function] [call site] 00064
4 pyparsing.core.SkipTo.__init__ [function] [call site] 00065
5 <builtin>.super [function] [call site] 00066
5 <builtin>.isinstance [function] [call site] 00067
5 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00068
5 pyparsing.core.token_map.pa [function] [call site] 00069
6 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00070
6 pyparsing.core.token_map.pa [function] [call site] 00071
6 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00072
6 pyparsing.core.Regex.sub.pa [function] [call site] 00073
6 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00074
6 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00075
6 pyparsing.actions.remove_quotes [function] [call site] 00076
6 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00077
7 <builtin>.len [function] [call site] 00078
7 pyparsing.util.col [function] [call site] 00079
6 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00080
6 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00081
7 typing.cast.as_list [function] [call site] 00082
7 typing.TypeVar.as_list [function] [call site] 00083
7 abc.ABC.as_list [function] [call site] 00084
7 pyparsing.util._flatten [function] [call site] 00085
6 pyparsing.core.Opt.__init__ [function] [call site] 00086
6 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00087
7 <builtin>.len [function] [call site] 00088
7 pyparsing.util.col [function] [call site] 00089
7 indentStack.pop [function] [call site] 00090
6 pyparsing.core.Tag._add_tag [function] [call site] 00091
6 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00092
5 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00093
5 pyparsing.core.Regex.sub.pa [function] [call site] 00094
5 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00095
5 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00096
5 pyparsing.actions.remove_quotes [function] [call site] 00097
5 typing.cast [function] [call site] 00098
5 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00099
5 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00100
5 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00101
5 pyparsing.core.Opt.__init__ [function] [call site] 00102
5 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00103
5 pyparsing.core.Tag._add_tag [function] [call site] 00104
5 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00105
5 pyparsing.core.Empty.__init__ [function] [call site] 00106
5 pyparsing.core.SkipTo._update_ignorer [function] [call site] 00107
6 typing.TypeVar.ignoreExprs.clear [function] [call site] 00108
6 typing.cast.ignoreExprs.clear [function] [call site] 00109
6 typing.TypeVar.ignore [function] [call site] 00110
6 pyparsing.core.Combine.ignore [function] [call site] 00111
7 typing.TypeVar.ignore [function] [call site] 00112
7 pyparsing.core.Combine.ignore [function] [call site] 00113
7 pyparsing.core.SkipTo.ignore [function] [call site] 00114
8 <builtin>.super [function] [call site] 00115
8 pyparsing.core.SkipTo._update_ignorer [function] [call site] 00116
7 typing.cast.ignore [function] [call site] 00117
7 <builtin>.super [function] [call site] 00118
6 pyparsing.core.SkipTo.ignore [function] [call site] 00119
6 typing.cast.ignore [function] [call site] 00120
6 typing.TypeVar.ignore [function] [call site] 00121
6 pyparsing.core.Combine.ignore [function] [call site] 00122
6 pyparsing.core.SkipTo.ignore [function] [call site] 00123
6 typing.cast.ignore [function] [call site] 00124
4 tmp.append [function] [call site] 00125
4 tmp.append [function] [call site] 00126
4 <builtin>.super [function] [call site] 00127
4 <builtin>.all [function] [call site] 00128
4 <builtin>.isinstance [function] [call site] 00129
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00130
2 pyparsing.actions.remove_quotes [function] [call site] 00131
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00132
2 pyparsing.core.Opt.__init__ [function] [call site] 00133
2 fdp.ConsumeIntInRange [function] [call site] 00134
2 <builtin>.range [function] [call site] 00135
2 fdp.ConsumeIntInRange [function] [call site] 00136
2 <builtin>.list [function] [call site] 00137
2 fdp.PickValueInList [function] [call site] 00138
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00139
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00140
2 pyparsing.core.Regex.sub.pa [function] [call site] 00141
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00142
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00143
2 pyparsing.actions.remove_quotes [function] [call site] 00144
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00145
2 pyparsing.core.Opt.__init__ [function] [call site] 00146
2 <builtin>.list [function] [call site] 00147
2 fdp.PickValueInList [function] [call site] 00148
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00149
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00150
2 pyparsing.core.Regex.sub.pa [function] [call site] 00151
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00152
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00153
2 pyparsing.actions.remove_quotes [function] [call site] 00154
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00155
2 pyparsing.core.Opt.__init__ [function] [call site] 00156
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00157
2 pyparsing.core.token_map.pa [function] [call site] 00158
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00159
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00160
2 pyparsing.actions.remove_quotes [function] [call site] 00161
2 typing.cast [function] [call site] 00162
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00163
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00164
2 pyparsing.core.Tag._add_tag [function] [call site] 00165
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00166
2 pyparsing.core.Regex.sub.pa [function] [call site] 00167
2 typing.TypeVar [function] [call site] 00168
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00169
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00170
2 pyparsing.core.Opt.__init__ [function] [call site] 00171
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00172
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00173
2 pyparsing.core.ZeroOrMore.__init__ [function] [call site] 00174
3 <builtin>.super [function] [call site] 00175
2 pyparsing.core.Dict.__init__ [function] [call site] 00176
3 <builtin>.super [function] [call site] 00177
2 pyparsing.core.Group.__init__ [function] [call site] 00178
3 <builtin>.super [function] [call site] 00179
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00180
2 pyparsing.core.token_map.pa [function] [call site] 00181
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00182
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00183
2 pyparsing.actions.remove_quotes [function] [call site] 00184
2 typing.cast [function] [call site] 00185
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00186
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00187
2 pyparsing.core.Tag._add_tag [function] [call site] 00188
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00189
2 pyparsing.core.Regex.sub.pa [function] [call site] 00190
2 typing.TypeVar [function] [call site] 00191
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00192
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00193
2 pyparsing.core.Opt.__init__ [function] [call site] 00194
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00195
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00196
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00197
2 pyparsing.core.token_map.pa [function] [call site] 00198
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00199
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00200
2 pyparsing.actions.remove_quotes [function] [call site] 00201
2 typing.cast [function] [call site] 00202
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00203
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00204
2 pyparsing.core.Tag._add_tag [function] [call site] 00205
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00206
2 pyparsing.core.Regex.sub.pa [function] [call site] 00207
2 typing.TypeVar [function] [call site] 00208
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00209
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00210
2 pyparsing.core.Opt.__init__ [function] [call site] 00211
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00212
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00213
2 pyparsing.core.Dict.__init__ [function] [call site] 00214
2 pyparsing.core.Group.__init__ [function] [call site] 00215
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00216
2 pyparsing.core.token_map.pa [function] [call site] 00217
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00218
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00219
2 pyparsing.actions.remove_quotes [function] [call site] 00220
2 typing.cast [function] [call site] 00221
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00222
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00223
2 pyparsing.core.Tag._add_tag [function] [call site] 00224
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00225
2 pyparsing.core.Regex.sub.pa [function] [call site] 00226
2 typing.TypeVar [function] [call site] 00227
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00228
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00229
2 pyparsing.core.Opt.__init__ [function] [call site] 00230
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00231
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00232
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00233
2 pyparsing.core.Suppress.__init__ [function] [call site] 00234
3 pyparsing.core.NoMatch.__init__ [function] [call site] 00235
4 <builtin>.super [function] [call site] 00236
3 pyparsing.core._PendingSkip.__init__ [function] [call site] 00237
4 <builtin>.super [function] [call site] 00238
3 <builtin>.super [function] [call site] 00239
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00240
2 pyparsing.core.token_map.pa [function] [call site] 00241
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00242
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00243
2 pyparsing.actions.remove_quotes [function] [call site] 00244
2 typing.cast [function] [call site] 00245
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00246
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00247
2 pyparsing.core.Tag._add_tag [function] [call site] 00248
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00249
2 pyparsing.core.Regex.sub.pa [function] [call site] 00250
2 typing.TypeVar [function] [call site] 00251
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00252
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00253
2 pyparsing.core.Opt.__init__ [function] [call site] 00254
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00255
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00256
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00257
2 pyparsing.core.token_map.pa [function] [call site] 00258
2 pyparsing.helpers.counted_array.count_field_parse_action [function] [call site] 00259
2 pyparsing.helpers.match_previous_literal.copy_token_to_repeater [function] [call site] 00260
2 pyparsing.actions.remove_quotes [function] [call site] 00261
2 typing.cast [function] [call site] 00262
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00263
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00264
2 pyparsing.core.Tag._add_tag [function] [call site] 00265
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater [function] [call site] 00266
2 pyparsing.core.Regex.sub.pa [function] [call site] 00267
2 typing.TypeVar [function] [call site] 00268
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00269
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00270
2 pyparsing.core.Opt.__init__ [function] [call site] 00271
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00272
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00273
2 pyparsing.core.Dict.__init__ [function] [call site] 00274
2 pyparsing.core.Group.__init__ [function] [call site] 00275
2 pyparsing.core.Dict.__init__ [function] [call site] 00276
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00277
1 typing.cast [function] [call site] 00278
1 <builtin>.str [function] [call site] 00279