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
5 30 ...fuzz_parse.dict_parse_generator call site: 00030 pyparsing.util._flatten
4 18 ...fuzz_parse.dict_parse_generator call site: 00018 pyparsing.util.col
3 23 ...fuzz_parse.dict_parse_generator call site: 00023 pyparsing.util.col
2 27 ...fuzz_parse.dict_parse_generator call site: 00027 pyparsing.util.col
2 76 pyparsing.core.NoMatch.__init__ call site: 00076 pyparsing.core._PendingSkip.__init__
1 74 ...fuzz_parse.dict_parse_generator call site: 00074 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.core.Literal.__init__ [function] [call site] 00003
3 <builtin>.super [function] [call site] 00004
3 <builtin>.len [function] [call site] 00005
2 fdp.ConsumeIntInRange [function] [call site] 00006
2 <builtin>.range [function] [call site] 00007
2 fdp.ConsumeIntInRange [function] [call site] 00008
2 <builtin>.list [function] [call site] 00009
2 fdp.PickValueInList [function] [call site] 00010
2 pyparsing.core.Literal.__init__ [function] [call site] 00011
2 <builtin>.list [function] [call site] 00012
2 fdp.PickValueInList [function] [call site] 00013
2 pyparsing.core.Literal.__init__ [function] [call site] 00014
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00015
2 pyparsing.actions.remove_quotes [function] [call site] 00016
2 pyparsing.core.Tag._add_tag [function] [call site] 00017
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00018
3 <builtin>.len [function] [call site] 00019
3 pyparsing.util.col [function] [call site] 00020
4 <builtin>.len [function] [call site] 00021
4 typing.cast.rfind [function] [call site] 00022
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00023
3 <builtin>.len [function] [call site] 00024
3 pyparsing.util.col [function] [call site] 00025
3 indentStack.pop [function] [call site] 00026
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00027
3 pyparsing.util.col [function] [call site] 00028
3 indentStack.append [function] [call site] 00029
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00030
3 pyparsing.util._flatten [function] [call site] 00031
4 to_visit.pop [function] [call site] 00032
4 <builtin>.isinstance [function] [call site] 00033
4 <builtin>.isinstance [function] [call site] 00034
4 ret.append [function] [call site] 00035
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00036
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00037
2 pyparsing.core.ZeroOrMore.__init__ [function] [call site] 00038
3 <builtin>.super [function] [call site] 00039
2 pyparsing.core.Dict.__init__ [function] [call site] 00040
3 <builtin>.super [function] [call site] 00041
2 pyparsing.core.Group.__init__ [function] [call site] 00042
3 <builtin>.super [function] [call site] 00043
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00044
2 pyparsing.actions.remove_quotes [function] [call site] 00045
2 pyparsing.core.Tag._add_tag [function] [call site] 00046
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00047
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00048
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00049
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00050
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00051
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00052
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00053
2 pyparsing.actions.remove_quotes [function] [call site] 00054
2 pyparsing.core.Tag._add_tag [function] [call site] 00055
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00056
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00057
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00058
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00059
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00060
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00061
2 pyparsing.core.Dict.__init__ [function] [call site] 00062
2 pyparsing.core.Group.__init__ [function] [call site] 00063
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00064
2 pyparsing.actions.remove_quotes [function] [call site] 00065
2 pyparsing.core.Tag._add_tag [function] [call site] 00066
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00067
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00068
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00069
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00070
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00071
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00072
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00073
2 pyparsing.core.Suppress.__init__ [function] [call site] 00074
3 pyparsing.core.NoMatch.__init__ [function] [call site] 00075
4 <builtin>.super [function] [call site] 00076
3 pyparsing.core._PendingSkip.__init__ [function] [call site] 00077
4 <builtin>.super [function] [call site] 00078
3 <builtin>.super [function] [call site] 00079
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00080
2 pyparsing.actions.remove_quotes [function] [call site] 00081
2 pyparsing.core.Tag._add_tag [function] [call site] 00082
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00083
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00084
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00085
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00086
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00087
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00088
2 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00089
2 pyparsing.actions.remove_quotes [function] [call site] 00090
2 pyparsing.core.Tag._add_tag [function] [call site] 00091
2 pyparsing.helpers.indentedBlock.checkPeerIndent [function] [call site] 00092
2 pyparsing.helpers.indentedBlock.checkUnindent [function] [call site] 00093
2 pyparsing.helpers.indentedBlock.checkSubIndent [function] [call site] 00094
2 pyparsing.helpers.match_previous_expr.copy_token_to_repeater.must_match_these_tokens [function] [call site] 00095
2 pyparsing.helpers.original_text_for.<lambda1> [function] [call site] 00096
2 pyparsing.actions.replace_with.<lambda1> [function] [call site] 00097
2 pyparsing.core.Dict.__init__ [function] [call site] 00098
2 pyparsing.core.Group.__init__ [function] [call site] 00099
2 pyparsing.core.Dict.__init__ [function] [call site] 00100
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00101
1 bnf.parseString [function] [call site] 00102
1 <builtin>.str [function] [call site] 00103