Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
9	13	google.resumable_media._helpers._get_checksum_object	call site: {node_id}	google.resumable_media._helpers._get_crc32c_object
2	52	google.resumable_media._upload.get_next_chunk	call site: {node_id}	_RANGE_UNKNOWN_TEMPLATE.format
1	35	google.resumable_media._upload.construct_multipart_request	call site: {node_id}	fdp.ConsumeBytes

Fuzzer calltree


         ...fuzz_uploader.TestOneInput

[function] [call site] 00000


           ...fuzz_uploader.test_simple

[function] [call site] 00001


             google.resumable_media._upload.UploadBase.__init__

[function] [call site] 00002


               google.resumable_media.common.RetryStrategy.__init__

[function] [call site] 00003


             google.resumable_media._upload.SimpleUpload._prepare_request

[function] [call site] 00004


               <builtin>.isinstance

[function] [call site] 00005


           ...fuzz_uploader.test_multipart

[function] [call site] 00006


             atheris.FuzzedDataProvider

[function] [call site] 00007


             google.resumable_media._upload.MultipartUpload.__init__

[function] [call site] 00008


               <builtin>.super

[function] [call site] 00009


             google.resumable_media._upload.MultipartUpload._prepare_request

[function] [call site] 00010


               <builtin>.isinstance

[function] [call site] 00011


               google.resumable_media._helpers._get_checksum_object

[function] [call site] 00012


                 hashlib.md5

[function] [call site] 00013


                 google.resumable_media._helpers._get_crc32c_object

[function] [call site] 00014


                   google_crc32c.Checksum

[function] [call site] 00015


                   crcmod.predefined.Crc

[function] [call site] 00016


                   google.resumable_media._helpers._is_fast_crcmod

[function] [call site] 00017


                     <builtin>.__import__

[function] [call site] 00018


                     <builtin>.globals

[function] [call site] 00019


                     <builtin>.locals

[function] [call site] 00020


                     <builtin>.getattr

[function] [call site] 00021


                     warnings.warn

[function] [call site] 00022


               checksum_object.update

[function] [call site] 00023


               checksum_object.digest

[function] [call site] 00024


               google.resumable_media._helpers.prepare_checksum_digest

[function] [call site] 00025


                 base64.b64encode

[function] [call site] 00026


                 encoded_digest.decode

[function] [call site] 00027


               google.resumable_media._helpers._get_metadata_key

[function] [call site] 00028


               google.resumable_media._upload.construct_multipart_request

[function] [call site] 00029


                 google.resumable_media._upload.get_boundary

[function] [call site] 00030


                   random.randrange

[function] [call site] 00031


                   _BOUNDARY_FORMAT.format

[function] [call site] 00032


                   boundary.encode

[function] [call site] 00033


                 json.dumps

[function] [call site] 00034


                 content_type.encode

[function] [call site] 00035


             fdp.ConsumeBytes

[function] [call site] 00036


             fdp.ConsumeString

[function] [call site] 00037


           ...fuzz_uploader.test_checksum

[function] [call site] 00038


             atheris.FuzzedDataProvider

[function] [call site] 00039


             fdp.ConsumeBytes

[function] [call site] 00040


             ...fuzz_uploader._upload_in_flight

[function] [call site] 00041


               google.resumable_media._upload.ResumableUpload.__init__

[function] [call site] 00042


                 <builtin>.super

[function] [call site] 00043


               io.BytesIO

[function] [call site] 00044


               <builtin>.len

[function] [call site] 00045


             google.resumable_media._upload.get_next_chunk

[function] [call site] 00046


               stream.tell

[function] [call site] 00047


               stream.read

[function] [call site] 00048


               stream.read

[function] [call site] 00049


               stream.tell

[function] [call site] 00050


               <builtin>.len

[function] [call site] 00051


               google.resumable_media._upload.get_content_range

[function] [call site] 00052


                 _RANGE_UNKNOWN_TEMPLATE.format

[function] [call site] 00053


                 _EMPTY_RANGE_TEMPLATE.format

[function] [call site] 00054


                 _CONTENT_RANGE_TEMPLATE.format

[function] [call site] 00055


             fdp.ConsumeIntInRange

[function] [call site] 00056


             fdp.ConsumeIntInRange

[function] [call site] 00057