Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
113	14	google.cloud.storage.fileio.BlobReader.read	call site: 00014	google.cloud.storage.blob.Blob._prep_and_do_download
3	132	google.cloud.storage.fileio.BlobReader.seek	call site: 00132	google.cloud.storage.bucket.Bucket.reload

Fuzzer calltree


         ...fuzz_fileio.TestOneInput

[function] [call site] 00000


           atheris.FuzzedDataProvider

[function] [call site] 00001


           mock.mock.CallableMixin.__init__

[function] [call site] 00002


           mock.mock.CallableMixin.__init__

[function] [call site] 00003


           <builtin>.len

[function] [call site] 00004


           google.cloud.storage.fileio.BlobReader.__init__

[function] [call site] 00005


             io.BytesIO

[function] [call site] 00006


           <builtin>.len

[function] [call site] 00007


           fdp.ConsumeIntInRange

[function] [call site] 00008


           google.cloud.storage.fileio.BlobReader.read

[function] [call site] 00009


             io.BufferedIOBase._checkClosed

[function] [call site] 00010


             <builtin>.len

[function] [call site] 00011


             <builtin>.len

[function] [call site] 00012


             <builtin>.max

[function] [call site] 00013


             google.cloud.storage.blob.Blob.download_as_bytes

[function] [call site] 00014


               google.cloud.storage._opentelemetry_tracing.create_trace_span

[function] [call site] 00015


                 opentelemetry.trace.get_tracer

[function] [call site] 00016


                 google.cloud.storage._opentelemetry_tracing._get_final_attributes

[function] [call site] 00017


                   _default_attributes.copy

[function] [call site] 00018


                   collected_attr.update

[function] [call site] 00019


                   google.cloud.storage._opentelemetry_tracing._set_api_request_attr

[function] [call site] 00020


                     request.get

[function] [call site] 00021


                     request.get

[function] [call site] 00022


                     request.get

[function] [call site] 00023


                     request.get

[function] [call site] 00024


                     client._connection.build_api_url

[function] [call site] 00025


                     google.cloud.storage._opentelemetry_tracing._get_opentelemetry_attributes_from_url

[function] [call site] 00026


                       urllib.parse.urlparse

[function] [call site] 00027


                       urllib.parse.urlparse.netloc.split

[function] [call site] 00028


                       urllib.parse.urlparse.netloc.endswith

[function] [call site] 00029


                       urllib.parse.urlparse.netloc.split

[function] [call site] 00030


                     attr.update

[function] [call site] 00031


                     request.get

[function] [call site] 00032


                     <builtin>.str

[function] [call site] 00033


                   collected_attr.update

[function] [call site] 00034


                   <builtin>.isinstance

[function] [call site] 00035


                   google.cloud.storage._opentelemetry_tracing._set_retry_attr

[function] [call site] 00036


                   collected_attr.update

[function] [call site] 00037


                   <builtin>.isinstance

[function] [call site] 00038


                   collected_attr.update

[function] [call site] 00039


                   google.cloud.storage._opentelemetry_tracing._set_retry_attr

[function] [call site] 00040


                   collected_attr.update

[function] [call site] 00041


                   collected_attr.items

[function] [call site] 00042


                 tracer.start_as_current_span

[function] [call site] 00043


                 opentelemetry.trace.Status

[function] [call site] 00044


                 span.set_status

[function] [call site] 00045


                 span.record_exception

[function] [call site] 00046


               io.BytesIO

[function] [call site] 00047


               google.cloud.storage.blob.Blob._prep_and_do_download

[function] [call site] 00048


                 <builtin>.isinstance

[function] [call site] 00049


                 retry.get_retry_policy_if_conditions_met

[function] [call site] 00050


                 google.cloud.storage._helpers._PropertyMixin._require_client

[function] [call site] 00051


                 google.cloud.storage.blob.Blob._get_download_url

[function] [call site] 00052


                   google.cloud.storage.blob._get_host_name

[function] [call site] 00053


                     <builtin>.hasattr

[function] [call site] 00054


                     connection.get_api_base_url_for_mtls

[function] [call site] 00055


                   _DOWNLOAD_URL_TEMPLATE.format

[function] [call site] 00056


                   name_value_pairs.append

[function] [call site] 00057


                   name_value_pairs.append

[function] [call site] 00058


                   google.cloud.storage._helpers._add_generation_match_parameters

[function] [call site] 00059


                     match_parameters.get

[function] [call site] 00060


                     <builtin>.isinstance

[function] [call site] 00061


                     <builtin>.isinstance

[function] [call site] 00062


                   google.cloud.storage.blob._add_query_parameters

[function] [call site] 00063


                     <builtin>.len

[function] [call site] 00064


                     urllib.parse.urlsplit

[function] [call site] 00065


                     urllib.parse.parse_qsl

[function] [call site] 00066


                     urllib.parse.parse_qsl.extend

[function] [call site] 00067


                     urllib.parse.urlencode

[function] [call site] 00068


                     urllib.parse.urlunsplit

[function] [call site] 00069


                 google.cloud.storage.blob._get_encryption_headers

[function] [call site] 00070


                   google.cloud._helpers._to_bytes

[function] [call site] 00071


                     <builtin>.isinstance

[function] [call site] 00072


                     value.encode

[function] [call site] 00073


                     <builtin>.isinstance

[function] [call site] 00074


                   hashlib.sha256

[function] [call site] 00075


                   base64.b64encode

[function] [call site] 00076


                   base64.b64encode

[function] [call site] 00077


                   google.cloud._helpers._bytes_to_unicode

[function] [call site] 00078


                     <builtin>.isinstance

[function] [call site] 00079


                     value.decode

[function] [call site] 00080


                     <builtin>.isinstance

[function] [call site] 00081


                   google.cloud._helpers._bytes_to_unicode

[function] [call site] 00082


                 google.cloud.storage._helpers._add_etag_match_headers

[function] [call site] 00083


                   match_parameters.get

[function] [call site] 00084


                   <builtin>.isinstance

[function] [call site] 00085


                 google.cloud.storage._helpers._get_default_headers

[function] [call site] 00086


                   google.cloud.storage._helpers._get_invocation_id

[function] [call site] 00087


                     uuid.uuid4

[function] [call site] 00088


                     <builtin>.str

[function] [call site] 00089


                 google.cloud.storage.blob.Blob._do_download

[function] [call site] 00090


                   google.cloud.storage._opentelemetry_tracing._get_opentelemetry_attributes_from_url

[function] [call site] 00091


                   google.cloud.storage._media._download.ChunkedDownload.__init__

[function] [call site] 00092


                     <builtin>.super

[function] [call site] 00093


                   google.cloud.storage._media._download.Download.__init__

[function] [call site] 00094


                     <builtin>.super

[function] [call site] 00095


                     google.cloud.storage._media._helpers._is_crc32c_available_and_fast

[function] [call site] 00096


                   google.cloud.storage._media._download.Download.__init__

[function] [call site] 00097


                   google.cloud.storage._media._download.ChunkedDownload.__init__

[function] [call site] 00098


                   google.cloud.storage._opentelemetry_tracing.create_trace_span

[function] [call site] 00099


                   download.consume

[function] [call site] 00100


                   google.cloud.storage.blob.Blob._extract_headers_from_download

[function] [call site] 00101


                     response.headers.get

[function] [call site] 00102


                     response.headers.get

[function] [call site] 00103


                     response.headers.get

[function] [call site] 00104


                     response.headers.get

[function] [call site] 00105


                     response.headers.get

[function] [call site] 00106


                     response.headers.get

[function] [call site] 00107


                     response.headers.get

[function] [call site] 00108


                     response.headers.get

[function] [call site] 00109


                     response.headers.get

[function] [call site] 00110


                     x_goog_hash.split

[function] [call site] 00111


                     re.match

[function] [call site] 00112


                     match.groups

[function] [call site] 00113


                     digests.get

[function] [call site] 00114


                     digests.get

[function] [call site] 00115


                   _CHUNKED_DOWNLOAD_CHECKSUM_MESSAGE.format

[function] [call site] 00116


                   _logger.info

[function] [call site] 00117


                   google.cloud.storage._media._download.ChunkedDownload.__init__

[function] [call site] 00118


                   google.cloud.storage._media._download.Download.__init__

[function] [call site] 00119


                   google.cloud.storage._media._download.Download.__init__

[function] [call site] 00120


                   google.cloud.storage._media._download.ChunkedDownload.__init__

[function] [call site] 00121


                   google.cloud.storage._opentelemetry_tracing.create_trace_span

[function] [call site] 00122


                   download.consume_next_chunk

[function] [call site] 00123


                 google.cloud.storage.blob._raise_from_invalid_response

[function] [call site] 00124


                   <builtin>.str

[function] [call site] 00125


                   <builtin>.str

[function] [call site] 00126


               io.BytesIO.getvalue

[function] [call site] 00127


             mock.mock.CallableMixin.__init__

[function] [call site] 00128


             <builtin>.len

[function] [call site] 00129


             <builtin>.len

[function] [call site] 00130


           google.cloud.storage.fileio.BlobReader.seek

[function] [call site] 00131


             io.BufferedIOBase._checkClosed

[function] [call site] 00132


             google.cloud.storage.bucket.Bucket.reload

[function] [call site] 00133


               google.cloud.storage._opentelemetry_tracing.create_trace_span

[function] [call site] 00134


               <builtin>.super

[function] [call site] 00135


           <builtin>.len

[function] [call site] 00136


           fdp.ConsumeIntInRange

[function] [call site] 00137


           fdp.ConsumeIntInRange

[function] [call site] 00138