Fuzz introspector: fuzz_cloudtask_client
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
23 24 google.auth.transport.mtls.default_client_cert_source call site: {node_id} google.auth.credentials.Credentials.__init__
17 0 EP call site: {node_id} google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient.__init__
2 21 google.auth.transport._mtls_helper._check_config_path call site: {node_id} google.auth.transport.mtls.default_client_cert_source
1 18 google.auth.transport.mtls.has_default_client_cert_source call site: {node_id} os.path.expanduser

Fuzzer calltree

0 ...fuzz_cloudtask_client.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient.__init__ [function] [call site] 00002
2 <builtin>.isinstance [function] [call site] 00003
2 google.api_core.client_options.from_dict [function] [call site] 00004
3 google.api_core.client_options.ClientOptions.__init__ [function] [call site] 00005
3 typing.cast.items [function] [call site] 00006
3 <builtin>.hasattr [function] [call site] 00007
3 <builtin>.setattr [function] [call site] 00008
2 google.api_core.client_options.ClientOptions.__init__ [function] [call site] 00009
2 typing.cast [function] [call site] 00010
2 <builtin>.getattr [function] [call site] 00011
2 google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient._read_environment_variables [function] [call site] 00012
3 os.getenv [function] [call site] 00013
3 os.getenv [function] [call site] 00014
3 os.getenv [function] [call site] 00015
2 google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient._get_client_cert_source [function] [call site] 00016
3 google.auth.transport.mtls.has_default_client_cert_source [function] [call site] 00017
4 google.auth.transport._mtls_helper._check_config_path [function] [call site] 00018
5 os.path.expanduser [function] [call site] 00019
5 os.path.exists [function] [call site] 00020
5 _LOGGER.debug [function] [call site] 00021
4 google.auth.transport._mtls_helper._check_config_path [function] [call site] 00022
3 google.auth.transport.mtls.default_client_cert_source [function] [call site] 00023
4 google.auth.transport.mtls.has_default_client_cert_source [function] [call site] 00024
2 google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient._get_universe_domain [function] [call site] 00025
3 universe_domain.strip [function] [call site] 00026
3 <builtin>.len [function] [call site] 00027
2 <builtin>.getattr [function] [call site] 00028
2 <builtin>.isinstance [function] [call site] 00029
2 typing.cast [function] [call site] 00030
2 google.cloud.tasks_v2.services.cloud_tasks.client.CloudTasksClient._get_api_endpoint [function] [call site] 00031
3 CloudTasksClient._DEFAULT_ENDPOINT_TEMPLATE.format [function] [call site] 00032
2 <builtin>.hasattr [function] [call site] 00033
2 google.auth._default.get_api_key_credentials [function] [call site] 00034
3 google.auth.api_key.Credentials.__init__ [function] [call site] 00035
4 <builtin>.super [function] [call site] 00036
2 CloudTasksClient.get_transport_class [function] [call site] 00037
2 <builtin>.isinstance [function] [call site] 00038
2 typing.cast [function] [call site] 00039
1 google.auth.credentials.Credentials.__init__ [function] [call site] 00040
2 <builtin>.super [function] [call site] 00041
2 google.auth._refresh_worker.RefreshThreadManager.__init__ [function] [call site] 00042
3 threading.Lock [function] [call site] 00043
1 fdp.ConsumeIntInRange [function] [call site] 00044
1 <builtin>.range [function] [call site] 00045
1 <builtin>.len [function] [call site] 00046
1 fdp.ConsumeIntInRange [function] [call site] 00047