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
15 27 ...fuzz_parse.dict_parse_generator call site: 00027 pyparsing.core.token_map.pa
7 5 ...fuzz_parse.dict_parse_generator call site: 00005 pyparsing.util._flatten
7 13 ...fuzz_parse.dict_parse_generator call site: 00013 pyparsing.util.col
2 21 ...fuzz_parse.dict_parse_generator call site: 00021 pyparsing.util.col
2 104 pyparsing.util._collapse_string_to_ranges call site: 00104 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char
2 127 pyparsing.core.NoMatch.__init__ call site: 00127 pyparsing.core._PendingSkip.__init__
1 81 pyparsing.core.Word.__init__ call site: 00081 .set
1 125 ...fuzz_parse.dict_parse_generator call site: 00125 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.actions.replace_with.<lambda1> [function] [call site] 00003
2 pyparsing.core.Tag._add_tag [function] [call site] 00004
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00005
3 typing.TextIO.pattern.as_list [function] [call site] 00006
3 typing.TypeVar.pattern.as_list [function] [call site] 00007
3 pyparsing.util._flatten [function] [call site] 00008
4 to_visit.pop [function] [call site] 00009
4 <builtin>.isinstance [function] [call site] 00010
4 <builtin>.isinstance [function] [call site] 00011
4 ret.append [function] [call site] 00012
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00013
3 pyparsing.util.col [function] [call site] 00014
4 <builtin>.len [function] [call site] 00015
4 pyparsing.core.TextIO.rfind [function] [call site] 00016
4 types.FrameType.rfind [function] [call site] 00017
4 typing.TextIO.pattern.rfind [function] [call site] 00018
4 typing.TypeVar.pattern.rfind [function] [call site] 00019
3 indentStack.append [function] [call site] 00020
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00021
3 <builtin>.len [function] [call site] 00022
3 pyparsing.util.col [function] [call site] 00023
2 pyparsing.actions.remove_quotes [function] [call site] 00024
2 typing.TextIO.pattern [function] [call site] 00025
2 pyparsing.core.Regex.sub.pa [function] [call site] 00026
2 pyparsing.core.token_map.pa [function] [call site] 00027
3 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00028
3 pyparsing.core.Tag._add_tag [function] [call site] 00029
3 typing.TypeVar.pattern [function] [call site] 00030
3 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00031
3 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00032
3 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00033
3 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00034
3 pyparsing.actions.remove_quotes [function] [call site] 00035
3 typing.TextIO.pattern [function] [call site] 00036
3 pyparsing.core.Regex.sub.pa [function] [call site] 00037
3 pyparsing.core.token_map.pa [function] [call site] 00038
3 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00039
4 <builtin>.len [function] [call site] 00040
4 pyparsing.util.col [function] [call site] 00041
4 indentStack.pop [function] [call site] 00042
2 typing.TypeVar.pattern [function] [call site] 00043
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00044
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00045
2 fdp.ConsumeIntInRange [function] [call site] 00046
2 <builtin>.range [function] [call site] 00047
2 fdp.ConsumeIntInRange [function] [call site] 00048
2 <builtin>.list [function] [call site] 00049
2 fdp.PickValueInList [function] [call site] 00050
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00051
2 pyparsing.core.Tag._add_tag [function] [call site] 00052
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00053
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00054
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00055
2 pyparsing.actions.remove_quotes [function] [call site] 00056
2 typing.TextIO.pattern [function] [call site] 00057
2 pyparsing.core.Regex.sub.pa [function] [call site] 00058
2 pyparsing.core.token_map.pa [function] [call site] 00059
2 typing.TypeVar.pattern [function] [call site] 00060
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00061
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00062
2 <builtin>.list [function] [call site] 00063
2 fdp.PickValueInList [function] [call site] 00064
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00065
2 pyparsing.core.Tag._add_tag [function] [call site] 00066
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00067
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00068
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00069
2 pyparsing.actions.remove_quotes [function] [call site] 00070
2 typing.TextIO.pattern [function] [call site] 00071
2 pyparsing.core.Regex.sub.pa [function] [call site] 00072
2 pyparsing.core.token_map.pa [function] [call site] 00073
2 typing.TypeVar.pattern [function] [call site] 00074
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00075
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00076
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00077
2 pyparsing.core.Word.__init__ [function] [call site] 00078
3 <builtin>.super [function] [call site] 00079
3 <builtin>.set [function] [call site] 00080
3 <builtin>.set [function] [call site] 00081
3 <builtin>.set [function] [call site] 00082
3 <builtin>.sorted [function] [call site] 00083
3 <builtin>.set [function] [call site] 00084
3 <builtin>.sorted [function] [call site] 00085
3 <builtin>.len [function] [call site] 00086
3 re.escape [function] [call site] 00087
3 pyparsing.util._collapse_string_to_ranges [function] [call site] 00088
4 <builtin>.set [function] [call site] 00089
4 <builtin>.sorted [function] [call site] 00090
4 <builtin>.len [function] [call site] 00091
4 pyparsing.util._GroupConsecutive.__init__ [function] [call site] 00092
5 itertools.count [function] [call site] 00093
4 itertools.groupby [function] [call site] 00094
4 <builtin>.next [function] [call site] 00095
4 contextlib.suppress [function] [call site] 00096
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00097
4 ret.append [function] [call site] 00098
4 <builtin>.ord [function] [call site] 00099
4 <builtin>.chr [function] [call site] 00100
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00101
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00102
4 ret.append [function] [call site] 00103
4 ret.append [function] [call site] 00104
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00105
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00106
4 pyparsing.util._collapse_string_to_ranges.no_escape_re_range_char [function] [call site] 00107
3 pyparsing.util._collapse_string_to_ranges [function] [call site] 00108
3 re.compile [function] [call site] 00109
2 pyparsing.core.ZeroOrMore.__init__ [function] [call site] 00110
3 <builtin>.super [function] [call site] 00111
2 pyparsing.core.Dict.__init__ [function] [call site] 00112
3 <builtin>.super [function] [call site] 00113
2 pyparsing.core.Group.__init__ [function] [call site] 00114
3 <builtin>.super [function] [call site] 00115
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00116
2 pyparsing.core.Word.__init__ [function] [call site] 00117
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00118
2 pyparsing.core.Word.__init__ [function] [call site] 00119
2 pyparsing.core.Dict.__init__ [function] [call site] 00120
2 pyparsing.core.Group.__init__ [function] [call site] 00121
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00122
2 pyparsing.core.Word.__init__ [function] [call site] 00123
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00124
2 pyparsing.core.Suppress.__init__ [function] [call site] 00125
3 pyparsing.core.NoMatch.__init__ [function] [call site] 00126
4 <builtin>.super [function] [call site] 00127
3 pyparsing.core._PendingSkip.__init__ [function] [call site] 00128
4 <builtin>.super [function] [call site] 00129
3 <builtin>.super [function] [call site] 00130
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00131
2 pyparsing.core.Word.__init__ [function] [call site] 00132
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00133
2 pyparsing.core.Word.__init__ [function] [call site] 00134
2 pyparsing.core.Dict.__init__ [function] [call site] 00135
2 pyparsing.core.Group.__init__ [function] [call site] 00136
2 pyparsing.core.Dict.__init__ [function] [call site] 00137
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00138
1 types.FrameType.parseString [function] [call site] 00139
1 <builtin>.str [function] [call site] 00140