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
16 211 dulwich.config.StackedConfig.default_backends call site: 00211 dulwich.config.get_win_system_paths
13 158 dulwich.repo.Repo.__init__ call site: 00158 dulwich.object_store.DiskObjectStore.from_config
9 173 dulwich.repo.Repo.__init__ call site: 00173 dulwich.repo.parse_graftpoints
7 37 dulwich.repo.Repo.__init__ call site: 00037 os.path.isfile
6 45 dulwich.repo.Repo.__init__ call site: 00045 dulwich.repo.read_gitfile
4 56 dulwich.repo.Repo.get_named_file call site: 00056 os.path.join
3 10 dulwich.repo.Repo.init call site: 00010 ctypes.WINFUNCTYPE
3 233 dulwich.repo.Repo._init_maybe_bare call site: 00233 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes
2 5 dulwich.repo.Repo.init call site: 00005 os.fsdecode
2 151 dulwich.config.ConfigDict._check_section_and_name call site: 00151 subsection.encode
2 245 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: 00245 repo.do_commit
2 252 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: 00252 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt

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.fspath [function] [call site] 00004
2 <builtin>.isinstance [function] [call site] 00005
2 os.fsdecode [function] [call site] 00006
2 os.mkdir [function] [call site] 00007
2 os.path.join [function] [call site] 00008
2 os.mkdir [function] [call site] 00009
2 dulwich.repo._set_filesystem_hidden [function] [call site] 00010
3 ctypes.WINFUNCTYPE [function] [call site] 00011
3 <builtin>.isinstance [function] [call site] 00012
3 os.fsdecode [function] [call site] 00013
2 dulwich.repo.Repo._init_maybe_bare [function] [call site] 00014
3 os.fspath [function] [call site] 00015
3 <builtin>.isinstance [function] [call site] 00016
3 os.fsdecode [function] [call site] 00017
3 os.fspath [function] [call site] 00018
3 <builtin>.isinstance [function] [call site] 00019
3 os.fsdecode [function] [call site] 00020
3 os.path.join [function] [call site] 00021
3 os.mkdir [function] [call site] 00022
3 os.path.join [function] [call site] 00023
3 dulwich.object_store.DiskObjectStore.init [function] [call site] 00024
4 os.mkdir [function] [call site] 00025
4 os.path.join [function] [call site] 00026
4 os.mkdir [function] [call site] 00027
4 os.path.join [function] [call site] 00028
4 os.mkdir [function] [call site] 00029
4 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00030
5 <builtin>.super [function] [call site] 00031
5 os.path.join [function] [call site] 00032
3 dulwich.repo.Repo.__init__ [function] [call site] 00033
4 os.fspath [function] [call site] 00034
4 <builtin>.isinstance [function] [call site] 00035
4 os.fsdecode [function] [call site] 00036
4 os.path.join [function] [call site] 00037
4 os.path.isfile [function] [call site] 00038
4 os.path.isdir [function] [call site] 00039
4 os.path.join [function] [call site] 00040
4 os.path.join [function] [call site] 00041
4 os.path.isdir [function] [call site] 00042
4 os.path.isdir [function] [call site] 00043
4 os.path.join [function] [call site] 00044
4 os.path.isfile [function] [call site] 00045
4 <builtin>.open [function] [call site] 00046
4 dulwich.repo.read_gitfile [function] [call site] 00047
5 f.read [function] [call site] 00048
5 cs.startswith [function] [call site] 00049
5 <builtin>.len [function] [call site] 00050
4 os.path.join [function] [call site] 00051
4 dulwich.repo.Repo.get_named_file [function] [call site] 00052
5 dulwich.repo.Repo.controldir [function] [call site] 00053
5 path.lstrip [function] [call site] 00054
5 os.path.join [function] [call site] 00055
5 <builtin>.open [function] [call site] 00056
4 os.path.join [function] [call site] 00057
4 dulwich.repo.Repo.controldir [function] [call site] 00058
4 commondir.read [function] [call site] 00059
4 os.fsdecode [function] [call site] 00060
4 dulwich.refs.DiskRefsContainer.__init__ [function] [call site] 00061
5 <builtin>.super [function] [call site] 00062
5 os.fspath [function] [call site] 00063
5 os.fsencode [function] [call site] 00064
5 os.fspath [function] [call site] 00065
5 os.fsencode [function] [call site] 00066
4 dulwich.repo.Repo.commondir [function] [call site] 00067
4 dulwich.repo.Repo.get_config [function] [call site] 00068
5 os.path.join [function] [call site] 00069
5 dulwich.repo.Repo._get_config_condition_matchers [function] [call site] 00070
5 dulwich.config.ConfigFile.from_path [function] [call site] 00071
6 os.fspath [function] [call site] 00072
6 os.path.dirname [function] [call site] 00073
6 dulwich.config.ConfigFile.from_file [function] [call site] 00074
7 dulwich.config.ConfigFile.__init__ [function] [call site] 00075
8 <builtin>.super [function] [call site] 00076
8 <builtin>.set [function] [call site] 00077
7 included_paths.copy [function] [call site] 00078
7 f.readlines [function] [call site] 00079
7 <builtin>.enumerate [function] [call site] 00080
7 line.startswith [function] [call site] 00081
7 line.lstrip [function] [call site] 00082
7 <builtin>.len [function] [call site] 00083
7 dulwich.config._parse_section_header_line [function] [call site] 00084
8 dulwich.config._strip_comments [function] [call site] 00085
9 <builtin>.ord [function] [call site] 00086
9 <builtin>.ord [function] [call site] 00087
9 <builtin>.ord [function] [call site] 00088
9 <builtin>.bytearray [function] [call site] 00089
9 <builtin>.enumerate [function] [call site] 00090
8 <builtin>.enumerate [function] [call site] 00091
8 <builtin>.ord [function] [call site] 00092
8 <builtin>.ord [function] [call site] 00093
8 <builtin>.ord [function] [call site] 00094
8 <builtin>.len [function] [call site] 00095
8 dulwich.config._check_section_name [function] [call site] 00096
9 <builtin>.len [function] [call site] 00097
9 <builtin>.range [function] [call site] 00098
9 c.isalnum [function] [call site] 00099
8 dulwich.config._check_section_name [function] [call site] 00100
8 <builtin>.len [function] [call site] 00101
7 ret._values.setdefault [function] [call site] 00102
7 dulwich.config._strip_comments [function] [call site] 00103
7 line.split [function] [call site] 00104
7 setting.strip [function] [call site] 00105
7 dulwich.config._check_variable_name [function] [call site] 00106
8 <builtin>.len [function] [call site] 00107
8 <builtin>.range [function] [call site] 00108
8 c.isalnum [function] [call site] 00109
7 dulwich.config._is_line_continuation [function] [call site] 00110
8 value.endswith [function] [call site] 00111
8 value.endswith [function] [call site] 00112
8 content.endswith [function] [call site] 00113
8 <builtin>.len [function] [call site] 00114
8 <builtin>.range [function] [call site] 00115
7 value.endswith [function] [call site] 00116
7 dulwich.config._parse_string [function] [call site] 00117
8 value.strip [function] [call site] 00118
8 <builtin>.bytearray [function] [call site] 00119
8 <builtin>.bytearray [function] [call site] 00120
8 <builtin>.bytearray [function] [call site] 00121
8 <builtin>.len [function] [call site] 00122
8 <builtin>.ord [function] [call site] 00123
8 <builtin>.len [function] [call site] 00124
8 ret.extend [function] [call site] 00125
8 <builtin>.bytearray [function] [call site] 00126
8 <builtin>.ord [function] [call site] 00127
8 ret.append [function] [call site] 00128
8 ret.extend [function] [call site] 00129
8 <builtin>.bytearray [function] [call site] 00130
8 ret.append [function] [call site] 00131
8 ret.extend [function] [call site] 00132
8 <builtin>.bytearray [function] [call site] 00133
8 <builtin>.ord [function] [call site] 00134
8 ret.append [function] [call site] 00135
8 <builtin>.ord [function] [call site] 00136
8 whitespace.append [function] [call site] 00137
8 ret.extend [function] [call site] 00138
8 <builtin>.bytearray [function] [call site] 00139
8 ret.append [function] [call site] 00140
8 <builtin>.bytes [function] [call site] 00141
7 ret._handle_include_directive [function] [call site] 00142
7 dulwich.config._is_line_continuation [function] [call site] 00143
7 line.endswith [function] [call site] 00144
7 dulwich.config._parse_string [function] [call site] 00145
7 ret._handle_include_directive [function] [call site] 00146
5 dulwich.config.ConfigFile.__init__ [function] [call site] 00147
4 dulwich.config.ConfigDict.get [function] [call site] 00148
5 dulwich.config.ConfigDict._check_section_and_name [function] [call site] 00149
6 <builtin>.isinstance [function] [call site] 00150
6 <builtin>.tuple [function] [call site] 00151
6 subsection.encode [function] [call site] 00152
6 <builtin>.isinstance [function] [call site] 00153
6 <builtin>.isinstance [function] [call site] 00154
6 name.encode [function] [call site] 00155
5 <builtin>.len [function] [call site] 00156
4 <builtin>.int [function] [call site] 00157
4 dulwich.config.ConfigDict.items [function] [call site] 00158
4 extension.lower [function] [call site] 00159
4 dulwich.object_store.DiskObjectStore.from_config [function] [call site] 00160
5 <builtin>.int [function] [call site] 00161
5 dulwich.config.ConfigDict.get [function] [call site] 00162
5 <builtin>.int [function] [call site] 00163
5 dulwich.config.ConfigDict.get [function] [call site] 00164
5 <builtin>.int [function] [call site] 00165
5 dulwich.config.ConfigDict.get [function] [call site] 00166
5 dulwich.config.ConfigDict.get [function] [call site] 00167
5 <builtin>.int [function] [call site] 00168
5 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00169
4 dulwich.repo.Repo.commondir [function] [call site] 00170
4 os.path.join [function] [call site] 00171
4 dulwich.repo.BaseRepo.__init__ [function] [call site] 00172
4 dulwich.repo.Repo.get_named_file [function] [call site] 00173
4 os.path.join [function] [call site] 00174
4 dulwich.repo.Repo.commondir [function] [call site] 00175
4 dulwich.repo.parse_graftpoints [function] [call site] 00176
5 line.split [function] [call site] 00177
5 <builtin>.len [function] [call site] 00178
5 dulwich.objects.check_hexsha [function] [call site] 00179
6 dulwich.objects.valid_hexsha [function] [call site] 00180
7 <builtin>.len [function] [call site] 00181
7 binascii.unhexlify [function] [call site] 00182
4 dulwich.repo.Repo.commondir [function] [call site] 00183
4 dulwich.repo.Repo.get_named_file [function] [call site] 00184
4 dulwich.repo.parse_graftpoints [function] [call site] 00185
4 dulwich.repo.Repo.controldir [function] [call site] 00186
4 dulwich.hooks.PreCommitShellHook.__init__ [function] [call site] 00187
5 os.path.join [function] [call site] 00188
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00189
4 dulwich.repo.Repo.controldir [function] [call site] 00190
4 dulwich.hooks.CommitMsgShellHook.__init__ [function] [call site] 00191
5 os.path.join [function] [call site] 00192
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00193
4 dulwich.repo.Repo.controldir [function] [call site] 00194
4 dulwich.hooks.PostCommitShellHook.__init__ [function] [call site] 00195
5 os.path.join [function] [call site] 00196
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00197
4 dulwich.repo.Repo.controldir [function] [call site] 00198
4 dulwich.hooks.PostReceiveShellHook.__init__ [function] [call site] 00199
5 os.path.join [function] [call site] 00200
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00201
3 dulwich.config.StackedConfig.default [function] [call site] 00202
4 dulwich.config.StackedConfig.default_backends [function] [call site] 00203
5 os.path.expanduser [function] [call site] 00204
5 paths.append [function] [call site] 00205
5 dulwich.config.get_xdg_config_home_path [function] [call site] 00206
6 os.environ.get [function] [call site] 00207
6 os.path.expanduser [function] [call site] 00208
6 os.path.join [function] [call site] 00209
5 paths.append [function] [call site] 00210
5 paths.append [function] [call site] 00211
5 dulwich.config.get_win_system_paths [function] [call site] 00212
6 os.path.join [function] [call site] 00213
6 dulwich.config._find_git_in_win_path [function] [call site] 00214
7 os.environ.get [function] [call site] 00215
7 os.path.join [function] [call site] 00216
7 os.path.exists [function] [call site] 00217
7 os.path.split [function] [call site] 00218
7 os.path.split [function] [call site] 00219
6 os.path.join [function] [call site] 00220
6 dulwich.config._find_git_in_win_reg [function] [call site] 00221
7 platform.machine [function] [call site] 00222
7 contextlib.suppress [function] [call site] 00223
7 winreg.OpenKey [function] [call site] 00224
7 winreg.QueryValueEx [function] [call site] 00225
6 os.path.join [function] [call site] 00226
5 paths.extend [function] [call site] 00227
5 dulwich.config.ConfigFile.from_path [function] [call site] 00228
5 backends.append [function] [call site] 00229
4 dulwich.config.StackedConfig.__init__ [function] [call site] 00230
3 config.get [function] [call site] 00231
3 ret.refs.set_symbolic_ref [function] [call site] 00232
3 ret._init_files [function] [call site] 00233
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00234
1 repo.set_description [function] [call site] 00235
1 repo.get_description [function] [call site] 00236
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomString [function] [call site] 00237
1 test_utils.EnhancedFuzzedDataProvider.ConsumeIntInRange [function] [call site] 00238
1 <builtin>.min [function] [call site] 00239
1 <builtin>.range [function] [call site] 00240
1 os.path.join [function] [call site] 00241
1 <builtin>.open [function] [call site] 00242
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00243
1 f.write [function] [call site] 00244
1 repo.stage [function] [call site] 00245
1 repo.do_commit [function] [call site] 00246
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00247
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00248
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00249
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00250
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00251
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00252
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00253
1 test_utils.is_expected_exception [function] [call site] 00254