Fuzz introspector: fuzz_repo
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
16 185 dulwich.config.StackedConfig.default_backends call site: {node_id} dulwich.config.get_win_system_paths
11 127 dulwich.repo.Repo.__init__ call site: {node_id} dulwich.object_store.DiskObjectStore.from_config
9 147 dulwich.repo.Repo.__init__ call site: {node_id} dulwich.repo.parse_graftpoints
7 25 dulwich.repo.Repo.__init__ call site: {node_id} os.path.isfile
6 33 dulwich.repo.Repo.__init__ call site: {node_id} dulwich.repo.read_gitfile
4 44 dulwich.repo.Repo.get_named_file call site: {node_id} os.path.join
3 7 dulwich.repo.Repo.init call site: {node_id} ctypes.WINFUNCTYPE
3 207 dulwich.repo.Repo._init_maybe_bare call site: {node_id} test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes
2 120 dulwich.config.ConfigDict._check_section_and_name call site: {node_id} subsection.encode
2 219 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: {node_id} repo.do_commit
2 226 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: {node_id} test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt
1 3 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: {node_id} os.mkdir

Fuzzer calltree

0 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput [function] [call site] 00000
1 test_utils.EnhancedFuzzedDataProvider [function] [call site] 00001
1 tempfile.TemporaryDirectory [function] [call site] 00002
1 dulwich.repo.Repo.init [function] [call site] 00003
2 os.path.join [function] [call site] 00005
2 dulwich.repo._set_filesystem_hidden [function] [call site] 00007
3 ctypes.WINFUNCTYPE [function] [call site] 00008
3 <builtin>.isinstance [function] [call site] 00009
3 os.fsdecode [function] [call site] 00010
2 dulwich.repo.Repo._init_maybe_bare [function] [call site] 00011
3 os.path.join [function] [call site] 00012
3 os.path.join [function] [call site] 00014
3 dulwich.object_store.DiskObjectStore.init [function] [call site] 00015
4 os.path.join [function] [call site] 00017
4 os.path.join [function] [call site] 00019
4 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00021
5 <builtin>.super [function] [call site] 00022
5 os.path.join [function] [call site] 00023
3 dulwich.repo.Repo.__init__ [function] [call site] 00024
4 os.path.join [function] [call site] 00025
4 os.path.isfile [function] [call site] 00026
4 os.path.isdir [function] [call site] 00027
4 os.path.join [function] [call site] 00028
4 os.path.join [function] [call site] 00029
4 os.path.isdir [function] [call site] 00030
4 os.path.isdir [function] [call site] 00031
4 os.path.join [function] [call site] 00032
4 os.path.isfile [function] [call site] 00033
4 <builtin>.open [function] [call site] 00034
4 dulwich.repo.read_gitfile [function] [call site] 00035
5 cs.startswith [function] [call site] 00037
5 <builtin>.len [function] [call site] 00038
4 os.path.join [function] [call site] 00039
4 dulwich.repo.Repo.get_named_file [function] [call site] 00040
5 dulwich.repo.Repo.controldir [function] [call site] 00041
5 path.lstrip [function] [call site] 00042
5 os.path.join [function] [call site] 00043
5 <builtin>.open [function] [call site] 00044
4 os.path.join [function] [call site] 00045
4 dulwich.repo.Repo.controldir [function] [call site] 00046
4 commondir.read [function] [call site] 00047
4 os.fsdecode [function] [call site] 00048
4 dulwich.repo.Repo.get_config [function] [call site] 00049
5 os.path.join [function] [call site] 00050
5 dulwich.config.ConfigFile.from_path [function] [call site] 00051
6 dulwich.file.GitFile [function] [call site] 00052
7 dulwich.file._GitFile.__init__ [function] [call site] 00053
8 <builtin>.isinstance [function] [call site] 00054
8 <builtin>.getattr [function] [call site] 00056
8 os.fdopen [function] [call site] 00057
8 <builtin>.getattr [function] [call site] 00058
8 <builtin>.setattr [function] [call site] 00059
7 <builtin>.open [function] [call site] 00060
6 dulwich.config.ConfigFile.from_file [function] [call site] 00061
7 dulwich.config.ConfigFile.__init__ [function] [call site] 00062
8 <builtin>.super [function] [call site] 00063
7 f.readlines [function] [call site] 00064
7 <builtin>.enumerate [function] [call site] 00065
7 line.startswith [function] [call site] 00066
7 line.lstrip [function] [call site] 00067
7 <builtin>.len [function] [call site] 00068
7 dulwich.config._parse_section_header_line [function] [call site] 00069
8 dulwich.config._strip_comments [function] [call site] 00070
9 <builtin>.ord [function] [call site] 00071
9 <builtin>.ord [function] [call site] 00072
9 <builtin>.ord [function] [call site] 00073
9 <builtin>.bytearray [function] [call site] 00074
9 <builtin>.enumerate [function] [call site] 00075
8 <builtin>.enumerate [function] [call site] 00076
8 <builtin>.ord [function] [call site] 00077
8 <builtin>.ord [function] [call site] 00078
8 <builtin>.ord [function] [call site] 00079
8 <builtin>.len [function] [call site] 00080
8 dulwich.config._check_section_name [function] [call site] 00081
9 <builtin>.len [function] [call site] 00082
9 <builtin>.range [function] [call site] 00083
9 c.isalnum [function] [call site] 00084
8 dulwich.config._check_section_name [function] [call site] 00085
8 <builtin>.len [function] [call site] 00086
7 ret._values.setdefault [function] [call site] 00087
7 dulwich.config._strip_comments [function] [call site] 00088
7 line.split [function] [call site] 00089
7 setting.strip [function] [call site] 00090
7 dulwich.config._check_variable_name [function] [call site] 00091
8 <builtin>.len [function] [call site] 00092
8 <builtin>.range [function] [call site] 00093
8 c.isalnum [function] [call site] 00094
7 value.endswith [function] [call site] 00095
7 value.endswith [function] [call site] 00096
7 dulwich.config._parse_string [function] [call site] 00097
8 value.strip [function] [call site] 00098
8 <builtin>.bytearray [function] [call site] 00099
8 <builtin>.bytearray [function] [call site] 00100
8 <builtin>.bytearray [function] [call site] 00101
8 <builtin>.len [function] [call site] 00102
8 <builtin>.ord [function] [call site] 00103
8 ret.extend [function] [call site] 00104
8 <builtin>.bytearray [function] [call site] 00105
8 ret.append [function] [call site] 00106
8 <builtin>.ord [function] [call site] 00107
8 whitespace.append [function] [call site] 00108
8 ret.extend [function] [call site] 00109
8 <builtin>.bytearray [function] [call site] 00110
8 ret.append [function] [call site] 00111
8 <builtin>.bytes [function] [call site] 00112
7 line.endswith [function] [call site] 00113
7 line.endswith [function] [call site] 00114
7 dulwich.config._parse_string [function] [call site] 00115
5 dulwich.config.ConfigFile.__init__ [function] [call site] 00116
4 dulwich.config.ConfigDict.get [function] [call site] 00117
5 dulwich.config.ConfigDict._check_section_and_name [function] [call site] 00118
6 <builtin>.isinstance [function] [call site] 00119
6 <builtin>.tuple [function] [call site] 00120
6 subsection.encode [function] [call site] 00121
6 <builtin>.isinstance [function] [call site] 00122
6 <builtin>.isinstance [function] [call site] 00123
6 name.encode [function] [call site] 00124
5 <builtin>.len [function] [call site] 00125
4 <builtin>.int [function] [call site] 00126
4 dulwich.config.ConfigDict.items [function] [call site] 00127
4 extension.lower [function] [call site] 00128
4 dulwich.object_store.DiskObjectStore.from_config [function] [call site] 00129
5 <builtin>.int [function] [call site] 00130
5 dulwich.config.ConfigDict.get [function] [call site] 00131
5 <builtin>.int [function] [call site] 00132
5 dulwich.config.ConfigDict.get [function] [call site] 00133
5 <builtin>.int [function] [call site] 00134
5 dulwich.config.ConfigDict.get [function] [call site] 00135
5 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00136
4 dulwich.repo.Repo.commondir [function] [call site] 00137
4 os.path.join [function] [call site] 00138
4 dulwich.refs.DiskRefsContainer.__init__ [function] [call site] 00139
5 <builtin>.super [function] [call site] 00140
5 <builtin>.getattr [function] [call site] 00141
5 os.fsencode [function] [call site] 00142
5 <builtin>.getattr [function] [call site] 00143
5 os.fsencode [function] [call site] 00144
4 dulwich.repo.Repo.commondir [function] [call site] 00145
4 dulwich.repo.BaseRepo.__init__ [function] [call site] 00146
4 dulwich.repo.Repo.get_named_file [function] [call site] 00147
4 os.path.join [function] [call site] 00148
4 dulwich.repo.Repo.commondir [function] [call site] 00149
4 dulwich.repo.parse_graftpoints [function] [call site] 00150
5 line.split [function] [call site] 00151
5 <builtin>.len [function] [call site] 00152
5 dulwich.objects.check_hexsha [function] [call site] 00153
6 dulwich.objects.valid_hexsha [function] [call site] 00154
7 <builtin>.len [function] [call site] 00155
7 binascii.unhexlify [function] [call site] 00156
4 dulwich.repo.Repo.commondir [function] [call site] 00157
4 dulwich.repo.Repo.get_named_file [function] [call site] 00158
4 dulwich.repo.parse_graftpoints [function] [call site] 00159
4 dulwich.repo.Repo.controldir [function] [call site] 00160
4 dulwich.hooks.PreCommitShellHook.__init__ [function] [call site] 00161
5 os.path.join [function] [call site] 00162
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00163
4 dulwich.repo.Repo.controldir [function] [call site] 00164
4 dulwich.hooks.CommitMsgShellHook.__init__ [function] [call site] 00165
5 os.path.join [function] [call site] 00166
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00167
4 dulwich.repo.Repo.controldir [function] [call site] 00168
4 dulwich.hooks.PostCommitShellHook.__init__ [function] [call site] 00169
5 os.path.join [function] [call site] 00170
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00171
4 dulwich.repo.Repo.controldir [function] [call site] 00172
4 dulwich.hooks.PostReceiveShellHook.__init__ [function] [call site] 00173
5 os.path.join [function] [call site] 00174
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00175
3 dulwich.config.StackedConfig.default [function] [call site] 00176
4 dulwich.config.StackedConfig.default_backends [function] [call site] 00177
5 os.path.expanduser [function] [call site] 00178
5 paths.append [function] [call site] 00179
5 dulwich.config.get_xdg_config_home_path [function] [call site] 00180
6 os.environ.get [function] [call site] 00181
6 os.path.expanduser [function] [call site] 00182
6 os.path.join [function] [call site] 00183
5 paths.append [function] [call site] 00184
5 paths.append [function] [call site] 00185
5 dulwich.config.get_win_system_paths [function] [call site] 00186
6 os.path.join [function] [call site] 00187
6 dulwich.config._find_git_in_win_path [function] [call site] 00188
7 os.environ.get [function] [call site] 00189
7 os.path.join [function] [call site] 00190
7 os.path.exists [function] [call site] 00191
7 os.path.split [function] [call site] 00192
7 os.path.split [function] [call site] 00193
6 os.path.join [function] [call site] 00194
6 dulwich.config._find_git_in_win_reg [function] [call site] 00195
7 platform.machine [function] [call site] 00196
7 contextlib.suppress [function] [call site] 00197
7 winreg.OpenKey [function] [call site] 00198
7 winreg.QueryValueEx [function] [call site] 00199
6 os.path.join [function] [call site] 00200
5 paths.extend [function] [call site] 00201
5 dulwich.config.ConfigFile.from_path [function] [call site] 00202
5 backends.append [function] [call site] 00203
4 dulwich.config.StackedConfig.__init__ [function] [call site] 00204
3 config.get [function] [call site] 00205
3 ret.refs.set_symbolic_ref [function] [call site] 00206
3 ret._init_files [function] [call site] 00207
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00208
1 repo.set_description [function] [call site] 00209
1 repo.get_description [function] [call site] 00210
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomString [function] [call site] 00211
1 test_utils.EnhancedFuzzedDataProvider.ConsumeIntInRange [function] [call site] 00212
1 <builtin>.min [function] [call site] 00213
1 <builtin>.range [function] [call site] 00214
1 os.path.join [function] [call site] 00215
1 <builtin>.open [function] [call site] 00216
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00217
1 repo.stage [function] [call site] 00219
1 repo.do_commit [function] [call site] 00220
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00221
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00222
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00223
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00224
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00225
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00226
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00227
1 test_utils.is_expected_exception [function] [call site] 00228