Fuzz introspector: fuzz_rst
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
60 30 docutils.utils.DependencyList.__init__ call site: {node_id} docutils.frontend.OptionParser.get_config_file_settings
55 146 ...fuzz_rst.TestOneInput call site: {node_id} docutils.nodes.pending.pformat
4 19 docutils.frontend.OptionParser.__init__ call site: {node_id} docutils.frontend.OptionParser.get_standard_config_settings
4 106 docutils.utils.decode_path call site: {node_id} sys.getfilesystemencoding
3 99 ...fuzz_rst.TestOneInput call site: {node_id} warnings.catch_warnings
3 140 docutils.parsers.rst.Parser.parse call site: {node_id} fdp.ConsumeBool
2 27 docutils.frontend.Values.__init__ call site: {node_id} docutils.utils.DependencyList.set_output
2 114 docutils.utils.Reporter.__init__ call site: {node_id} .isinstance
1 8 docutils.frontend.OptionParser.__init__ call site: {node_id} optparse.TitledHelpFormatter
1 17 docutils.frontend.OptionParser.populate_from_components call site: {node_id} optparse.OptionParser.defaults.update
1 96 ...fuzz_rst.TestOneInput call site: {node_id} fdp.ConsumeIntInRange
1 103 ...fuzz_rst.TestOneInput call site: {node_id} docutils.frontend.get_default_settings

Fuzzer calltree

0 ...fuzz_rst.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 docutils.parsers.rst.Parser.__init__ [function] [call site] 00002
1 docutils.frontend.get_default_settings [function] [call site] 00003
2 warnings.catch_warnings [function] [call site] 00004
2 warnings.filterwarnings [function] [call site] 00005
2 docutils.frontend.OptionParser.__init__ [function] [call site] 00006
3 warnings.warn [function] [call site] 00007
3 <builtin>.super [function] [call site] 00008
3 optparse.TitledHelpFormatter [function] [call site] 00009
3 docutils.frontend.OptionParser.populate_from_components [function] [call site] 00010
4 <builtin>.len [function] [call site] 00011
4 <builtin>.range [function] [call site] 00012
4 optparse.OptionGroup [function] [call site] 00013
4 optparse.OptionParser.add_option_group [function] [call site] 00014
4 optparse.OptionParser.add_option [function] [call site] 00015
4 kwargs.get [function] [call site] 00016
4 optparse.OptionParser.defaults.update [function] [call site] 00017
4 optparse.OptionParser.defaults.update [function] [call site] 00018
3 optparse.OptionParser.defaults.update [function] [call site] 00019
3 docutils.frontend.OptionParser.get_standard_config_settings [function] [call site] 00020
4 warnings.catch_warnings [function] [call site] 00021
4 warnings.filterwarnings [function] [call site] 00022
4 docutils.frontend.Values.__init__ [function] [call site] 00023
5 warnings.warn [function] [call site] 00024
5 <builtin>.super [function] [call site] 00025
5 <builtin>.getattr [function] [call site] 00026
5 docutils.utils.DependencyList.__init__ [function] [call site] 00027
6 docutils.utils.DependencyList.set_output [function] [call site] 00028
7 <builtin>.open [function] [call site] 00029
6 docutils.utils.DependencyList.add [function] [call site] 00030
7 <builtin>.isinstance [function] [call site] 00031
7 path.as_posix [function] [call site] 00032
7 sys.stdout.write [function] [call site] 00033
4 docutils.frontend.OptionParser.get_standard_config_files [function] [call site] 00034
5 os.path.expanduser [function] [call site] 00035
4 docutils.frontend.OptionParser.get_config_file_settings [function] [call site] 00037
5 configparser.RawConfigParser.__init__ [function] [call site] 00038
5 <builtin>.set [function] [call site] 00039
5 warnings.catch_warnings [function] [call site] 00040
5 warnings.filterwarnings [function] [call site] 00041
5 docutils.frontend.ConfigParser.read [function] [call site] 00042
6 warnings.warn [function] [call site] 00043
6 <builtin>.isinstance [function] [call site] 00044
6 <builtin>.super [function] [call site] 00045
6 sys.stderr.write [function] [call site] 00046
6 docutils.frontend.ConfigParser.handle_old_config [function] [call site] 00047
7 warnings.warn_explicit [function] [call site] 00048
7 docutils.frontend.ConfigParser.get_section [function] [call site] 00049
8 warnings.warn [function] [call site] 00050
8 <builtin>.dict [function] [call site] 00051
7 configparser.RawConfigParser.has_section [function] [call site] 00052
7 configparser.RawConfigParser.add_section [function] [call site] 00053
7 options.items [function] [call site] 00054
7 configparser.RawConfigParser.has_section [function] [call site] 00055
7 configparser.RawConfigParser.add_section [function] [call site] 00056
7 configparser.RawConfigParser.has_option [function] [call site] 00057
7 configparser.RawConfigParser.set [function] [call site] 00058
7 configparser.RawConfigParser.remove_section [function] [call site] 00059
6 docutils.frontend.ConfigParser.validate_settings [function] [call site] 00060
7 configparser.RawConfigParser.sections [function] [call site] 00061
7 configparser.RawConfigParser.options [function] [call site] 00062
7 docutils.frontend.OptionParser.get_option_by_dest [function] [call site] 00063
7 configparser.RawConfigParser.get [function] [call site] 00064
7 optparse.OptionParser.option_groups.option_list.validator [function] [call site] 00065
7 configparser.RawConfigParser.set [function] [call site] 00066
7 configparser.RawConfigParser.set [function] [call site] 00067
5 docutils.frontend.Values.__init__ [function] [call site] 00068
5 <builtin>.tuple [function] [call site] 00069
5 applied.add [function] [call site] 00070
5 configparser.RawConfigParser.has_section [function] [call site] 00071
5 docutils.frontend.Values.update [function] [call site] 00072
6 <builtin>.isinstance [function] [call site] 00073
6 <builtin>.dict [function] [call site] 00074
6 option_parser.lists.keys [function] [call site] 00075
6 <builtin>.hasattr [function] [call site] 00076
6 <builtin>.getattr [function] [call site] 00077
6 optparse.Values._update_loose [function] [call site] 00078
5 docutils.frontend.make_paths_absolute [function] [call site] 00079
6 pathlib.Path.cwd [function] [call site] 00080
6 pathlib.Path [function] [call site] 00081
6 <builtin>.isinstance [function] [call site] 00082
6 pathlib.Path.resolve [function] [call site] 00083
6 <builtin>.str [function] [call site] 00084
6 pathlib.Path.resolve [function] [call site] 00085
6 <builtin>.str [function] [call site] 00086
5 os.path.dirname [function] [call site] 00087
4 docutils.frontend.Values.update [function] [call site] 00088
3 optparse.OptionParser.error [function] [call site] 00089
3 optparse.OptionParser.defaults.update [function] [call site] 00090
2 docutils.frontend.OptionParser.get_default_values [function] [call site] 00091
3 warnings.catch_warnings [function] [call site] 00092
3 warnings.filterwarnings [function] [call site] 00093
3 docutils.frontend.Values.__init__ [function] [call site] 00094
1 fdp.ConsumeBool [function] [call site] 00095
1 fdp.ConsumeBool [function] [call site] 00096
1 fdp.ConsumeIntInRange [function] [call site] 00097
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00098
1 docutils.frontend.Values.copy [function] [call site] 00099
2 warnings.catch_warnings [function] [call site] 00100
2 warnings.filterwarnings [function] [call site] 00101
2 optparse.Values.__class__ [function] [call site] 00102
1 docutils.utils.new_document [function] [call site] 00103
2 docutils.frontend.get_default_settings [function] [call site] 00104
2 docutils.utils.decode_path [function] [call site] 00105
3 <builtin>.isinstance [function] [call site] 00106
3 sys.getfilesystemencoding [function] [call site] 00107
3 sys.stdin.name.decode [function] [call site] 00108
3 sys.stdin.name.decode [function] [call site] 00109
3 sys.stdin.name.decode [function] [call site] 00110
2 docutils.utils.new_reporter [function] [call site] 00111
3 docutils.utils.Reporter.__init__ [function] [call site] 00112
4 <builtin>.isinstance [function] [call site] 00113
4 docutils.io.ErrorOutput.__init__ [function] [call site] 00114
5 <builtin>.isinstance [function] [call site] 00115
5 <builtin>.open [function] [call site] 00116
5 <builtin>.getattr [function] [call site] 00117
4 <builtin>.getattr [function] [call site] 00118
2 docutils.nodes.document.__init__ [function] [call site] 00119
3 docutils.nodes.Element.__init__ [function] [call site] 00120
4 docutils.nodes.Element.extend [function] [call site] 00121
5 docutils.nodes.Element.append [function] [call site] 00122
6 docutils.nodes.Node.setup_child [function] [call site] 00123
4 attributes.items [function] [call site] 00124
4 att.lower [function] [call site] 00125
3 collections.Counter [function] [call site] 00126
3 docutils.transforms.Transformer [function] [call site] 00127
2 docutils.nodes.document.note_source [function] [call site] 00128
1 fdp.ConsumeIntInRange [function] [call site] 00129
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00130
1 docutils.parsers.rst.Parser.parse [function] [call site] 00131
2 docutils.statemachine.StateMachine.__init__ [function] [call site] 00132
3 docutils.statemachine.StateMachine.add_states [function] [call site] 00133
4 docutils.statemachine.StateMachine.add_state [function] [call site] 00134
2 docutils.statemachine.string2lines [function] [call site] 00135
3 whitespace.sub [function] [call site] 00136
3 s.expandtabs [function] [call site] 00137
3 sys.stdin.splitlines [function] [call site] 00138
2 <builtin>.enumerate [function] [call site] 00139
2 <builtin>.len [function] [call site] 00140
1 fdp.ConsumeBool [function] [call site] 00141
1 doc.transformer.add_transforms [function] [call site] 00142
1 fdp.ConsumeBool [function] [call site] 00143
1 doc.transformer.add_transform [function] [call site] 00144
1 fdp.ConsumeBool [function] [call site] 00145
1 doc.transformer.add_transform [function] [call site] 00146
1 fdp.ConsumeBool [function] [call site] 00147
1 doc.transformer.add_transform [function] [call site] 00148
1 fdp.ConsumeBool [function] [call site] 00149
1 doc.transformer.add_transform [function] [call site] 00150
1 fdp.ConsumeBool [function] [call site] 00151
1 doc.transformer.add_transform [function] [call site] 00152
1 fdp.ConsumeBool [function] [call site] 00153
1 doc.transformer.add_transform [function] [call site] 00154
1 fdp.ConsumeBool [function] [call site] 00155
1 doc.transformer.add_transform [function] [call site] 00156
1 doc.transformer.apply_transforms [function] [call site] 00157
1 docutils.nodes.Element.pformat [function] [call site] 00158
2 docutils.nodes.Element.starttag [function] [call site] 00159
3 docutils.nodes.Element.attlist [function] [call site] 00160
4 docutils.nodes.Element.non_default_attributes [function] [call site] 00161
5 docutils.nodes.Element.is_not_default [function] [call site] 00162
4 <builtin>.sorted [function] [call site] 00163
3 parts.append [function] [call site] 00164
3 <builtin>.isinstance [function] [call site] 00165
3 <builtin>.int [function] [call site] 00166
3 <builtin>.str [function] [call site] 00167
3 <builtin>.isinstance [function] [call site] 00168
3 docutils.nodes.serial_escape [function] [call site] 00169
4 value.replace [function] [call site] 00170
3 <builtin>.str [function] [call site] 00171
3 docutils.nodes.pseudo_quoteattr [function] [call site] 00172
3 parts.append [function] [call site] 00173
2 c.pformat [function] [call site] 00174
1 docutils.nodes.pending.pformat [function] [call site] 00175
2 <builtin>.sorted [function] [call site] 00176
2 <builtin>.isinstance [function] [call site] 00177
2 internals.append [function] [call site] 00178
2 internals.extend [function] [call site] 00179
2 value.pformat [function] [call site] 00180
2 <builtin>.isinstance [function] [call site] 00181
2 <builtin>.isinstance [function] [call site] 00182
2 internals.append [function] [call site] 00183
2 internals.extend [function] [call site] 00184
2 v.pformat [function] [call site] 00185
2 internals.append [function] [call site] 00186
2 docutils.nodes.Element.pformat [function] [call site] 00187
2 docutils.nodes.pending.pformat [function] [call site] 00188
1 docutils.nodes.TreeCopyVisitor.__init__ [function] [call site] 00189
2 docutils.nodes.NodeVisitor.__init__ [function] [call site] 00190
1 docutils.nodes.Node.walkabout [function] [call site] 00191
2 visitor.document.reporter.debug [function] [call site] 00192
2 docutils.writers.odf_odt.ODFTranslator.dispatch_visit [function] [call site] 00193
3 docutils.writers.odf_odt.ODFTranslator.handle_basic_atts [function] [call site] 00194
4 <builtin>.isinstance [function] [call site] 00195
3 docutils.writers.odf_odt.ODFTranslator.dispatch_visit [function] [call site] 00196
2 child.walkabout [function] [call site] 00197
2 visitor.document.reporter.debug [function] [call site] 00198
2 docutils.nodes.NodeVisitor.dispatch_departure [function] [call site] 00199
3 <builtin>.getattr [function] [call site] 00200
1 docutils.nodes.TreeCopyVisitor.get_tree_copy [function] [call site] 00201