Fuzz introspector: fuzz_rst_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
59 35 docutils.utils.DependencyList.__init__ call site: {node_id} docutils.frontend.OptionParser.get_config_file_settings
4 24 docutils.frontend.OptionParser.__init__ call site: {node_id} docutils.frontend.OptionParser.get_standard_config_settings
4 100 docutils.utils.decode_path call site: {node_id} sys.getfilesystemencoding
4 122 docutils.utils.new_document call site: {node_id} docutils.frontend.get_default_settings
3 5 docutils.parsers.get_parser_class call site: {node_id} docutils.utils.new_document
2 0 EP call site: {node_id} docutils.parsers.get_parser_class
2 32 docutils.frontend.Values.__init__ call site: {node_id} docutils.utils.DependencyList.set_output
2 108 docutils.utils.Reporter.__init__ call site: {node_id} .isinstance
1 13 docutils.frontend.OptionParser.__init__ call site: {node_id} optparse.TitledHelpFormatter
1 22 docutils.frontend.OptionParser.populate_from_components call site: {node_id} optparse.OptionParser.defaults.update

Fuzzer calltree

0 ...fuzz_rst_parse.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 docutils.parsers.get_parser_class [function] [call site] 00002
2 parser_name.lower [function] [call site] 00003
2 _parser_aliases.get [function] [call site] 00004
2 importlib.import_module [function] [call site] 00005
1 importlib.import_module.Parser [function] [call site] 00006
1 docutils.utils.new_document [function] [call site] 00007
2 docutils.frontend.get_default_settings [function] [call site] 00008
3 warnings.catch_warnings [function] [call site] 00009
3 warnings.filterwarnings [function] [call site] 00010
3 docutils.frontend.OptionParser.__init__ [function] [call site] 00011
4 warnings.warn [function] [call site] 00012
4 .super [function] [call site] 00013
4 optparse.TitledHelpFormatter [function] [call site] 00014
4 docutils.frontend.OptionParser.populate_from_components [function] [call site] 00015
5 .len [function] [call site] 00016
5 .range [function] [call site] 00017
5 optparse.OptionGroup [function] [call site] 00018
5 optparse.OptionParser.add_option_group [function] [call site] 00019
5 optparse.OptionParser.add_option [function] [call site] 00020
5 kwargs.get [function] [call site] 00021
5 optparse.OptionParser.defaults.update [function] [call site] 00022
5 optparse.OptionParser.defaults.update [function] [call site] 00023
4 optparse.OptionParser.defaults.update [function] [call site] 00024
4 docutils.frontend.OptionParser.get_standard_config_settings [function] [call site] 00025
5 warnings.catch_warnings [function] [call site] 00026
5 warnings.filterwarnings [function] [call site] 00027
5 docutils.frontend.Values.__init__ [function] [call site] 00028
6 warnings.warn [function] [call site] 00029
6 .super [function] [call site] 00030
6 .getattr [function] [call site] 00031
6 docutils.utils.DependencyList.__init__ [function] [call site] 00032
7 docutils.utils.DependencyList.set_output [function] [call site] 00033
8 .open [function] [call site] 00034
7 docutils.utils.DependencyList.add [function] [call site] 00035
8 .isinstance [function] [call site] 00036
8 path.as_posix [function] [call site] 00037
8 sys.stdout.write [function] [call site] 00038
5 docutils.frontend.OptionParser.get_standard_config_files [function] [call site] 00039
6 os.path.expanduser [function] [call site] 00040
6 f.strip [function] [call site] 00041
5 docutils.frontend.OptionParser.get_config_file_settings [function] [call site] 00042
6 configparser.RawConfigParser.__init__ [function] [call site] 00043
6 .set [function] [call site] 00044
6 warnings.catch_warnings [function] [call site] 00045
6 warnings.filterwarnings [function] [call site] 00046
6 docutils.frontend.ConfigParser.read [function] [call site] 00047
7 warnings.warn [function] [call site] 00048
7 .isinstance [function] [call site] 00049
7 .super [function] [call site] 00050
7 sys.stderr.write [function] [call site] 00051
7 docutils.frontend.ConfigParser.handle_old_config [function] [call site] 00052
8 warnings.warn_explicit [function] [call site] 00053
8 docutils.frontend.ConfigParser.get_section [function] [call site] 00054
9 warnings.warn [function] [call site] 00055
9 .dict [function] [call site] 00056
8 configparser.RawConfigParser.has_section [function] [call site] 00057
8 configparser.RawConfigParser.add_section [function] [call site] 00058
8 options.items [function] [call site] 00059
8 configparser.RawConfigParser.has_section [function] [call site] 00060
8 configparser.RawConfigParser.add_section [function] [call site] 00061
8 configparser.RawConfigParser.has_option [function] [call site] 00062
8 configparser.RawConfigParser.set [function] [call site] 00063
8 configparser.RawConfigParser.remove_section [function] [call site] 00064
7 docutils.frontend.ConfigParser.validate_settings [function] [call site] 00065
8 configparser.RawConfigParser.sections [function] [call site] 00066
8 configparser.RawConfigParser.options [function] [call site] 00067
8 docutils.frontend.OptionParser.get_option_by_dest [function] [call site] 00068
8 configparser.RawConfigParser.get [function] [call site] 00069
8 optparse.OptionParser.option_groups.option_list.validator [function] [call site] 00070
8 configparser.RawConfigParser.set [function] [call site] 00071
8 configparser.RawConfigParser.set [function] [call site] 00072
6 docutils.frontend.Values.__init__ [function] [call site] 00073
6 .tuple [function] [call site] 00074
6 applied.add [function] [call site] 00075
6 configparser.RawConfigParser.has_section [function] [call site] 00076
6 docutils.frontend.Values.update [function] [call site] 00077
7 .isinstance [function] [call site] 00078
7 .dict [function] [call site] 00079
7 option_parser.lists.keys [function] [call site] 00080
7 .hasattr [function] [call site] 00081
7 .getattr [function] [call site] 00082
7 optparse.Values._update_loose [function] [call site] 00083
6 docutils.frontend.make_paths_absolute [function] [call site] 00084
7 os.getcwd [function] [call site] 00085
7 .isinstance [function] [call site] 00086
7 docutils.frontend.make_one_path_absolute [function] [call site] 00087
8 os.path.join [function] [call site] 00088
8 os.path.abspath [function] [call site] 00089
7 docutils.frontend.make_one_path_absolute [function] [call site] 00090
6 os.path.dirname [function] [call site] 00091
5 docutils.frontend.Values.update [function] [call site] 00092
4 optparse.OptionParser.error [function] [call site] 00093
4 optparse.OptionParser.defaults.update [function] [call site] 00094
3 docutils.frontend.OptionParser.get_default_values [function] [call site] 00095
4 warnings.catch_warnings [function] [call site] 00096
4 warnings.filterwarnings [function] [call site] 00097
4 docutils.frontend.Values.__init__ [function] [call site] 00098
2 docutils.utils.decode_path [function] [call site] 00099
3 .isinstance [function] [call site] 00100
3 sys.getfilesystemencoding [function] [call site] 00101
3 sys.stdin.name.decode [function] [call site] 00102
3 sys.stdin.name.decode [function] [call site] 00103
3 sys.stdin.name.decode [function] [call site] 00104
2 docutils.utils.new_reporter [function] [call site] 00105
3 docutils.utils.Reporter.__init__ [function] [call site] 00106
4 .isinstance [function] [call site] 00107
4 docutils.io.ErrorOutput.__init__ [function] [call site] 00108
5 .isinstance [function] [call site] 00109
5 .open [function] [call site] 00110
5 .getattr [function] [call site] 00111
4 .getattr [function] [call site] 00112
2 docutils.nodes.document.__init__ [function] [call site] 00113
3 docutils.nodes.Element.__init__ [function] [call site] 00114
4 docutils.nodes.Element.extend [function] [call site] 00115
5 docutils.nodes.Element.append [function] [call site] 00116
6 docutils.nodes.Node.setup_child [function] [call site] 00117
4 attributes.items [function] [call site] 00118
4 att.lower [function] [call site] 00119
3 collections.Counter [function] [call site] 00120
3 docutils.transforms.Transformer [function] [call site] 00121
2 docutils.nodes.document.note_source [function] [call site] 00122
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00123
1 docutils.frontend.get_default_settings [function] [call site] 00124
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00125
1 parser.parse [function] [call site] 00126