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
68 29 docutils.frontend.Values.__init__ call site: {node_id} docutils.frontend.OptionParser.get_config_file_settings
11 100 docutils.frontend.OptionParser.get_default_values call site: {node_id} docutils.utils.new_reporter
9 18 docutils.frontend.OptionParser.populate_from_components call site: {node_id} docutils.frontend.OptionParser.get_standard_config_settings
8 6 ...fuzz_rst_parse.TestOneInput call site: {node_id} docutils.frontend.get_default_settings
3 112 docutils.io.ErrorOutput.__init__ call site: {node_id} docutils.nodes.document.__init__
3 116 docutils.nodes.document.__init__ call site: {node_id} docutils.nodes.Element.extend
2 3 docutils.parsers.get_parser_class call site: {node_id} PARSER_ALIASES.get
2 126 docutils.nodes.document.note_source call site: {node_id} docutils.frontend.get_default_settings
1 120 docutils.nodes.Element.append call site: {node_id} attributes.items
1 124 docutils.nodes.document.__init__ call site: {node_id} docutils.nodes.document.note_source

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 docutils.utils.new_document [function] [call site] 00006
2 docutils.frontend.get_default_settings [function] [call site] 00007
3 warnings.catch_warnings [function] [call site] 00008
3 warnings.filterwarnings [function] [call site] 00009
3 docutils.frontend.OptionParser.__init__ [function] [call site] 00010
4 warnings.warn [function] [call site] 00011
4 <builtin>.super [function] [call site] 00012
4 optparse.TitledHelpFormatter [function] [call site] 00013
4 docutils.frontend.OptionParser.populate_from_components [function] [call site] 00014
5 <builtin>.len [function] [call site] 00015
5 <builtin>.range [function] [call site] 00016
5 optparse.OptionGroup [function] [call site] 00017
5 optparse.OptionParser.add_option_group [function] [call site] 00018
5 optparse.OptionParser.add_option [function] [call site] 00019
5 kwargs.get [function] [call site] 00020
5 optparse.OptionParser.defaults.update [function] [call site] 00021
5 optparse.OptionParser.defaults.update [function] [call site] 00022
4 optparse.OptionParser.defaults.update [function] [call site] 00023
4 docutils.frontend.OptionParser.get_standard_config_settings [function] [call site] 00024
5 warnings.catch_warnings [function] [call site] 00025
5 warnings.filterwarnings [function] [call site] 00026
5 docutils.frontend.Values.__init__ [function] [call site] 00027
6 warnings.warn [function] [call site] 00028
6 <builtin>.super [function] [call site] 00029
6 <builtin>.getattr [function] [call site] 00030
6 docutils.utils.DependencyList.__init__ [function] [call site] 00031
7 docutils.utils.DependencyList.set_output [function] [call site] 00032
8 <builtin>.open [function] [call site] 00033
7 docutils.utils.DependencyList.add [function] [call site] 00034
8 <builtin>.isinstance [function] [call site] 00035
8 path.as_posix [function] [call site] 00036
8 sys.stdout.write [function] [call site] 00037
5 docutils.frontend.OptionParser.get_standard_config_files [function] [call site] 00038
6 os.path.expanduser [function] [call site] 00039
6 f.strip [function] [call site] 00040
5 docutils.frontend.OptionParser.get_config_file_settings [function] [call site] 00041
6 configparser.RawConfigParser.__init__ [function] [call site] 00042
6 <builtin>.set [function] [call site] 00043
6 warnings.catch_warnings [function] [call site] 00044
6 warnings.filterwarnings [function] [call site] 00045
6 docutils.frontend.ConfigParser.read [function] [call site] 00046
7 warnings.warn [function] [call site] 00047
7 <builtin>.isinstance [function] [call site] 00048
7 <builtin>.super [function] [call site] 00049
7 sys.stderr.write [function] [call site] 00050
7 docutils.frontend.ConfigParser.handle_old_config [function] [call site] 00051
8 warnings.warn_explicit [function] [call site] 00052
8 docutils.frontend.ConfigParser.get_section [function] [call site] 00053
9 warnings.warn [function] [call site] 00054
9 <builtin>.dict [function] [call site] 00055
8 configparser.RawConfigParser.has_section [function] [call site] 00056
8 configparser.RawConfigParser.add_section [function] [call site] 00057
8 options.items [function] [call site] 00058
8 configparser.RawConfigParser.has_section [function] [call site] 00059
8 configparser.RawConfigParser.add_section [function] [call site] 00060
8 configparser.RawConfigParser.has_option [function] [call site] 00061
8 configparser.RawConfigParser.set [function] [call site] 00062
8 configparser.RawConfigParser.remove_section [function] [call site] 00063
7 docutils.frontend.ConfigParser.validate_settings [function] [call site] 00064
8 configparser.RawConfigParser.sections [function] [call site] 00065
8 configparser.RawConfigParser.options [function] [call site] 00066
8 docutils.frontend.OptionParser.get_option_by_dest [function] [call site] 00067
8 configparser.RawConfigParser.get [function] [call site] 00068
8 optparse.OptionParser.option_groups.option_list.validator [function] [call site] 00069
8 configparser.RawConfigParser.set [function] [call site] 00070
8 configparser.RawConfigParser.set [function] [call site] 00071
6 docutils.frontend.Values.__init__ [function] [call site] 00072
6 <builtin>.tuple [function] [call site] 00073
6 applied.add [function] [call site] 00074
6 configparser.RawConfigParser.has_section [function] [call site] 00075
6 docutils.frontend.Values.update [function] [call site] 00076
7 <builtin>.isinstance [function] [call site] 00077
7 <builtin>.dict [function] [call site] 00078
7 optparse.OptionParser.lists.keys [function] [call site] 00079
7 <builtin>.hasattr [function] [call site] 00080
7 <builtin>.getattr [function] [call site] 00081
7 optparse.Values._update_loose [function] [call site] 00082
6 docutils.frontend.make_paths_absolute [function] [call site] 00083
7 pathlib.Path.cwd [function] [call site] 00084
7 pathlib.Path [function] [call site] 00085
7 pathlib.Path.absolute [function] [call site] 00086
7 <builtin>.isinstance [function] [call site] 00087
7 pathlib.Path.resolve [function] [call site] 00088
7 <builtin>.str [function] [call site] 00089
7 pathlib.Path.resolve [function] [call site] 00090
7 <builtin>.str [function] [call site] 00091
6 os.path.dirname [function] [call site] 00092
5 docutils.frontend.Values.update [function] [call site] 00093
4 <builtin>.str [function] [call site] 00094
4 optparse.OptionParser.error [function] [call site] 00095
4 optparse.OptionParser.defaults.update [function] [call site] 00096
3 docutils.frontend.OptionParser.get_default_values [function] [call site] 00097
4 warnings.catch_warnings [function] [call site] 00098
4 warnings.filterwarnings [function] [call site] 00099
4 docutils.frontend.Values.__init__ [function] [call site] 00100
2 docutils.utils.decode_path [function] [call site] 00101
3 <builtin>.isinstance [function] [call site] 00102
3 sys.getfilesystemencoding [function] [call site] 00103
3 sys.stdin.name.decode [function] [call site] 00104
3 sys.stdin.name.decode [function] [call site] 00105
3 sys.stdin.name.decode [function] [call site] 00106
2 docutils.utils.new_reporter [function] [call site] 00107
3 docutils.utils.Reporter.__init__ [function] [call site] 00108
4 <builtin>.isinstance [function] [call site] 00109
4 docutils.io.ErrorOutput.__init__ [function] [call site] 00110
5 <builtin>.isinstance [function] [call site] 00111
5 <builtin>.open [function] [call site] 00112
5 <builtin>.getattr [function] [call site] 00113
4 <builtin>.getattr [function] [call site] 00114
2 docutils.nodes.document.__init__ [function] [call site] 00115
3 docutils.nodes.Element.__init__ [function] [call site] 00116
4 <builtin>.isinstance [function] [call site] 00117
4 docutils.nodes.Element.extend [function] [call site] 00118
5 docutils.nodes.Element.append [function] [call site] 00119
6 docutils.nodes.Node.setup_child [function] [call site] 00120
4 attributes.items [function] [call site] 00121
4 att.lower [function] [call site] 00122
3 collections.Counter [function] [call site] 00123
3 docutils.transforms.Transformer [function] [call site] 00124
2 docutils.nodes.document.note_source [function] [call site] 00125
3 os.fspath [function] [call site] 00126
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00127
1 docutils.frontend.get_default_settings [function] [call site] 00128
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00129
1 parser.parse [function] [call site] 00130