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
29 205 dulwich.config.StackedConfig.get call site: 00205 dulwich.reftable.ReftableRefsContainer.__init__
27 175 dulwich.config.ConfigDict.items call site: 00175 dulwich.object_store.DiskObjectStore.from_config
15 276 dulwich.config.StackedConfig.default_backends call site: 00276 dulwich.config.get_win_system_paths
9 236 dulwich.repo.Repo.__init__ call site: 00236 dulwich.repo.parse_graftpoints
8 19 dulwich.repo.Repo._init_maybe_bare call site: 00019 dulwich.repo.parse_shared_repository
7 48 dulwich.repo.Repo.__init__ call site: 00048 os.path.isfile
7 303 dulwich.repo.Repo._init_maybe_bare call site: 00303 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes
6 56 dulwich.repo.Repo.__init__ call site: 00056 dulwich.repo.read_gitfile
4 69 dulwich.repo.Repo.get_named_file call site: 00069 os.path.join
4 314 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: 00314 repo.get_worktree
4 320 ...dulwich.fuzzing.fuzz-targets.fuzz_repo.TestOneInput call site: 00320 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt
3 0 EP call site: 00000 dulwich.repo.Repo.init

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 dulwich.repo.parse_shared_repository [function] [call site] 00021
4 <builtin>.isinstance [function] [call site] 00022
4 value.decode [function] [call site] 00023
4 <builtin>.isinstance [function] [call site] 00024
4 value.lower [function] [call site] 00025
4 value.startswith [function] [call site] 00026
4 <builtin>.int [function] [call site] 00027
3 os.path.join [function] [call site] 00028
3 os.mkdir [function] [call site] 00029
3 os.chmod [function] [call site] 00030
3 dulwich.object_store.DiskObjectStore.init [function] [call site] 00031
4 os.mkdir [function] [call site] 00032
4 os.chmod [function] [call site] 00033
4 os.path.join [function] [call site] 00034
4 os.path.join [function] [call site] 00035
4 os.mkdir [function] [call site] 00036
4 os.mkdir [function] [call site] 00037
4 os.chmod [function] [call site] 00038
4 os.chmod [function] [call site] 00039
4 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00040
5 <builtin>.super [function] [call site] 00041
5 os.path.join [function] [call site] 00042
3 os.path.join [function] [call site] 00043
3 dulwich.repo.Repo.__init__ [function] [call site] 00044
4 os.fspath [function] [call site] 00045
4 <builtin>.isinstance [function] [call site] 00046
4 os.fsdecode [function] [call site] 00047
4 os.path.join [function] [call site] 00048
4 os.path.isfile [function] [call site] 00049
4 os.path.isdir [function] [call site] 00050
4 os.path.join [function] [call site] 00051
4 os.path.join [function] [call site] 00052
4 os.path.isdir [function] [call site] 00053
4 os.path.isdir [function] [call site] 00054
4 os.path.join [function] [call site] 00055
4 os.path.isfile [function] [call site] 00056
4 <builtin>.open [function] [call site] 00057
4 dulwich.repo.read_gitfile [function] [call site] 00058
5 f.read [function] [call site] 00059
5 cs.startswith [function] [call site] 00060
5 <builtin>.len [function] [call site] 00061
4 os.path.join [function] [call site] 00062
4 dulwich.repo.Repo.get_named_file [function] [call site] 00063
5 dulwich.repo.Repo.controldir [function] [call site] 00064
5 <builtin>.isinstance [function] [call site] 00065
5 path.decode [function] [call site] 00066
5 path.lstrip [function] [call site] 00067
5 os.path.join [function] [call site] 00068
5 <builtin>.open [function] [call site] 00069
4 os.path.join [function] [call site] 00070
4 dulwich.repo.Repo.controldir [function] [call site] 00071
4 commondir.read [function] [call site] 00072
4 os.fsdecode [function] [call site] 00073
4 dulwich.refs.DiskRefsContainer.__init__ [function] [call site] 00074
5 <builtin>.super [function] [call site] 00075
5 os.fspath [function] [call site] 00076
5 os.fsencode [function] [call site] 00077
5 os.fspath [function] [call site] 00078
5 os.fsencode [function] [call site] 00079
4 dulwich.repo.Repo.commondir [function] [call site] 00080
4 dulwich.worktree.WorkTreeContainer.__init__ [function] [call site] 00081
4 dulwich.repo.Repo.get_config [function] [call site] 00082
5 os.path.join [function] [call site] 00083
5 dulwich.repo.Repo._get_config_condition_matchers [function] [call site] 00084
5 dulwich.config.ConfigFile.from_path [function] [call site] 00085
6 os.fspath [function] [call site] 00086
6 os.path.dirname [function] [call site] 00087
6 dulwich.config.ConfigFile.from_file [function] [call site] 00088
7 dulwich.config.ConfigFile.__init__ [function] [call site] 00089
8 <builtin>.super [function] [call site] 00090
8 <builtin>.set [function] [call site] 00091
7 included_paths.copy [function] [call site] 00092
7 f.readlines [function] [call site] 00093
7 <builtin>.enumerate [function] [call site] 00094
7 line.startswith [function] [call site] 00095
7 line.lstrip [function] [call site] 00096
7 <builtin>.len [function] [call site] 00097
7 dulwich.config._parse_section_header_line [function] [call site] 00098
8 dulwich.config._strip_comments [function] [call site] 00099
9 <builtin>.ord [function] [call site] 00100
9 <builtin>.ord [function] [call site] 00101
9 <builtin>.ord [function] [call site] 00102
9 <builtin>.bytearray [function] [call site] 00103
9 <builtin>.enumerate [function] [call site] 00104
8 <builtin>.enumerate [function] [call site] 00105
8 <builtin>.ord [function] [call site] 00106
8 <builtin>.ord [function] [call site] 00107
8 <builtin>.ord [function] [call site] 00108
8 <builtin>.len [function] [call site] 00109
8 dulwich.config._check_section_name [function] [call site] 00110
9 <builtin>.len [function] [call site] 00111
9 <builtin>.range [function] [call site] 00112
9 c.isalnum [function] [call site] 00113
8 dulwich.config._check_section_name [function] [call site] 00114
8 <builtin>.len [function] [call site] 00115
7 ret._values.setdefault [function] [call site] 00116
7 dulwich.config._strip_comments [function] [call site] 00117
7 line.split [function] [call site] 00118
7 setting.strip [function] [call site] 00119
7 dulwich.config._check_variable_name [function] [call site] 00120
8 <builtin>.len [function] [call site] 00121
8 <builtin>.range [function] [call site] 00122
8 c.isalnum [function] [call site] 00123
7 dulwich.config._is_line_continuation [function] [call site] 00124
8 value.endswith [function] [call site] 00125
8 value.endswith [function] [call site] 00126
8 content.endswith [function] [call site] 00127
8 <builtin>.len [function] [call site] 00128
8 <builtin>.range [function] [call site] 00129
7 value.endswith [function] [call site] 00130
7 dulwich.config._parse_string [function] [call site] 00131
8 value.strip [function] [call site] 00132
8 <builtin>.bytearray [function] [call site] 00133
8 <builtin>.bytearray [function] [call site] 00134
8 <builtin>.bytearray [function] [call site] 00135
8 <builtin>.len [function] [call site] 00136
8 <builtin>.ord [function] [call site] 00137
8 <builtin>.len [function] [call site] 00138
8 ret.extend [function] [call site] 00139
8 <builtin>.bytearray [function] [call site] 00140
8 <builtin>.ord [function] [call site] 00141
8 ret.append [function] [call site] 00142
8 ret.extend [function] [call site] 00143
8 <builtin>.bytearray [function] [call site] 00144
8 ret.append [function] [call site] 00145
8 ret.extend [function] [call site] 00146
8 <builtin>.bytearray [function] [call site] 00147
8 <builtin>.ord [function] [call site] 00148
8 ret.append [function] [call site] 00149
8 <builtin>.ord [function] [call site] 00150
8 whitespace.append [function] [call site] 00151
8 ret.extend [function] [call site] 00152
8 <builtin>.bytearray [function] [call site] 00153
8 ret.append [function] [call site] 00154
8 <builtin>.bytes [function] [call site] 00155
7 ret._handle_include_directive [function] [call site] 00156
7 dulwich.config._is_line_continuation [function] [call site] 00157
7 line.endswith [function] [call site] 00158
7 dulwich.config._parse_string [function] [call site] 00159
7 ret._handle_include_directive [function] [call site] 00160
5 dulwich.config.ConfigFile.__init__ [function] [call site] 00161
4 dulwich.config.ConfigDict.get [function] [call site] 00162
5 dulwich.config.ConfigDict._check_section_and_name [function] [call site] 00163
6 <builtin>.isinstance [function] [call site] 00164
6 <builtin>.tuple [function] [call site] 00165
6 subsection.encode [function] [call site] 00166
6 <builtin>.isinstance [function] [call site] 00167
6 <builtin>.isinstance [function] [call site] 00168
6 name.encode [function] [call site] 00169
5 <builtin>.len [function] [call site] 00170
4 <builtin>.int [function] [call site] 00171
4 dulwich.config.ConfigDict.items [function] [call site] 00172
5 dulwich.config.ConfigDict._check_section_and_name [function] [call site] 00173
5 section_dict.items [function] [call site] 00174
5 <builtin>.iter [function] [call site] 00175
5 <builtin>.iter [function] [call site] 00176
4 extension.lower [function] [call site] 00177
4 extension.lower [function] [call site] 00178
4 dulwich.config.ConfigDict.get [function] [call site] 00179
4 dulwich.repo.parse_shared_repository [function] [call site] 00180
4 dulwich.object_store.DiskObjectStore.from_config [function] [call site] 00181
5 <builtin>.int [function] [call site] 00182
5 dulwich.config.ConfigDict.get [function] [call site] 00183
5 <builtin>.int [function] [call site] 00184
5 dulwich.config.ConfigDict.get [function] [call site] 00185
5 <builtin>.int [function] [call site] 00186
5 dulwich.config.ConfigDict.get [function] [call site] 00187
5 dulwich.config.ConfigDict.get [function] [call site] 00188
5 <builtin>.int [function] [call site] 00189
5 <builtin>.int [function] [call site] 00190
5 dulwich.config.ConfigDict.get [function] [call site] 00191
5 dulwich.config.ConfigDict.get [function] [call site] 00192
5 <builtin>.int [function] [call site] 00193
5 <builtin>.int [function] [call site] 00194
5 dulwich.config.ConfigDict.get [function] [call site] 00195
5 dulwich.config.ConfigDict.get [function] [call site] 00196
5 <builtin>.int [function] [call site] 00197
5 dulwich.config.ConfigDict.get [function] [call site] 00198
5 <builtin>.int [function] [call site] 00199
5 <builtin>.int [function] [call site] 00200
5 dulwich.config.ConfigDict.get [function] [call site] 00201
5 dulwich.config.Config.get_boolean [function] [call site] 00202
6 dulwich.config.StackedConfig.get [function] [call site] 00203
7 <builtin>.isinstance [function] [call site] 00204
7 backend.get [function] [call site] 00205
6 value.lower [function] [call site] 00206
6 value.lower [function] [call site] 00207
5 dulwich.config.Config.get_boolean [function] [call site] 00208
5 dulwich.config.Config.get_boolean [function] [call site] 00209
5 dulwich.config.Config.get_boolean [function] [call site] 00210
5 dulwich.config.Config.get_boolean [function] [call site] 00211
5 dulwich.config.Config.get_boolean [function] [call site] 00212
5 dulwich.object_store.DiskObjectStore.__init__ [function] [call site] 00213
4 dulwich.repo.Repo.commondir [function] [call site] 00214
4 os.path.join [function] [call site] 00215
4 dulwich.repo.Repo.commondir [function] [call site] 00216
4 dulwich.reftable.ReftableRefsContainer.__init__ [function] [call site] 00217
5 <builtin>.super [function] [call site] 00218
5 <builtin>.isinstance [function] [call site] 00219
5 os.fsdecode [function] [call site] 00220
5 os.path.join [function] [call site] 00221
5 os.path.exists [function] [call site] 00222
5 os.makedirs [function] [call site] 00223
5 dulwich.reftable.ReftableRefsContainer._ensure_refs_heads_marker [function] [call site] 00224
6 os.path.join [function] [call site] 00225
6 os.path.exists [function] [call site] 00226
6 os.makedirs [function] [call site] 00227
6 os.path.join [function] [call site] 00228
6 os.path.isdir [function] [call site] 00229
6 shutil.rmtree [function] [call site] 00230
6 os.path.exists [function] [call site] 00231
6 <builtin>.open [function] [call site] 00232
6 f.write [function] [call site] 00233
4 dulwich.worktree.WorkTreeContainer.__init__ [function] [call site] 00234
4 dulwich.repo.BaseRepo.__init__ [function] [call site] 00235
4 dulwich.repo.Repo.get_named_file [function] [call site] 00236
4 os.path.join [function] [call site] 00237
4 dulwich.repo.Repo.commondir [function] [call site] 00238
4 dulwich.repo.parse_graftpoints [function] [call site] 00239
5 line.split [function] [call site] 00240
5 <builtin>.len [function] [call site] 00241
5 dulwich.objects.check_hexsha [function] [call site] 00242
6 dulwich.objects.valid_hexsha [function] [call site] 00243
7 <builtin>.len [function] [call site] 00244
7 binascii.unhexlify [function] [call site] 00245
4 dulwich.repo.Repo.commondir [function] [call site] 00246
4 dulwich.repo.Repo.get_named_file [function] [call site] 00247
4 dulwich.repo.parse_graftpoints [function] [call site] 00248
4 dulwich.repo.Repo.controldir [function] [call site] 00249
4 dulwich.hooks.PreCommitShellHook.__init__ [function] [call site] 00250
5 os.path.join [function] [call site] 00251
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00252
4 dulwich.repo.Repo.controldir [function] [call site] 00253
4 dulwich.hooks.CommitMsgShellHook.__init__ [function] [call site] 00254
5 os.path.join [function] [call site] 00255
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00256
4 dulwich.repo.Repo.controldir [function] [call site] 00257
4 dulwich.hooks.PostCommitShellHook.__init__ [function] [call site] 00258
5 os.path.join [function] [call site] 00259
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00260
4 dulwich.repo.Repo.controldir [function] [call site] 00261
4 dulwich.hooks.PostReceiveShellHook.__init__ [function] [call site] 00262
5 os.path.join [function] [call site] 00263
5 dulwich.hooks.ShellHook.__init__ [function] [call site] 00264
3 dulwich.config.StackedConfig.default [function] [call site] 00265
4 dulwich.config.StackedConfig.default_backends [function] [call site] 00266
5 paths.append [function] [call site] 00267
5 os.path.expanduser [function] [call site] 00268
5 paths.append [function] [call site] 00269
5 dulwich.config.get_xdg_config_home_path [function] [call site] 00270
6 os.environ.get [function] [call site] 00271
6 os.path.expanduser [function] [call site] 00272
6 os.path.join [function] [call site] 00273
5 paths.append [function] [call site] 00274
5 paths.append [function] [call site] 00275
5 paths.append [function] [call site] 00276
5 dulwich.config.get_win_system_paths [function] [call site] 00277
6 dulwich.config._find_git_in_win_path [function] [call site] 00278
7 os.environ.get [function] [call site] 00279
7 os.path.join [function] [call site] 00280
7 os.path.exists [function] [call site] 00281
7 os.path.split [function] [call site] 00282
7 os.path.split [function] [call site] 00283
6 os.path.join [function] [call site] 00284
6 dulwich.config._find_git_in_win_reg [function] [call site] 00285
7 platform.machine [function] [call site] 00286
7 contextlib.suppress [function] [call site] 00287
7 winreg.OpenKey [function] [call site] 00288
7 winreg.QueryValueEx [function] [call site] 00289
6 os.path.join [function] [call site] 00290
5 paths.extend [function] [call site] 00291
5 logger.debug [function] [call site] 00292
5 dulwich.config.ConfigFile.from_path [function] [call site] 00293
5 logger.debug [function] [call site] 00294
5 logger.debug [function] [call site] 00295
5 backends.append [function] [call site] 00296
4 dulwich.config.StackedConfig.__init__ [function] [call site] 00297
3 config.get [function] [call site] 00298
3 dulwich.refs.local_branch_name [function] [call site] 00299
4 typing.cast.id.startswith [function] [call site] 00300
4 typing.cast.startswith [function] [call site] 00301
3 ret.refs.set_symbolic_ref [function] [call site] 00302
3 ret._init_files [function] [call site] 00303
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00304
1 repo.set_description [function] [call site] 00305
1 repo.get_description [function] [call site] 00306
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomString [function] [call site] 00307
1 test_utils.EnhancedFuzzedDataProvider.ConsumeIntInRange [function] [call site] 00308
1 <builtin>.min [function] [call site] 00309
1 <builtin>.range [function] [call site] 00310
1 os.path.join [function] [call site] 00311
1 <builtin>.open [function] [call site] 00312
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00313
1 f.write [function] [call site] 00314
1 repo.get_worktree [function] [call site] 00315
1 repo.get_worktree [function] [call site] 00316
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00317
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00318
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomBytes [function] [call site] 00319
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00320
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00321
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00322
1 test_utils.EnhancedFuzzedDataProvider.ConsumeRandomInt [function] [call site] 00323
1 test_utils.is_expected_exception [function] [call site] 00324