Fuzz introspector: fuzz_helpers
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
6 24 ...fuzz_helpers.TestInput call site: 00024 fdp.ConsumeUnicodeNoSurrogates
2 3 oauth2client._helpers.scopes_to_string call site: 00003 fdp.ConsumeUnicodeNoSurrogates
1 32 oauth2client._helpers._add_query_parameter call site: 00032 fdp.ConsumeUnicodeNoSurrogates
1 34 ...fuzz_helpers.TestInput call site: 00034 fdp.ConsumeUnicodeNoSurrogates
1 48 oauth2client._helpers._to_bytes call site: 00048 .isinstance
1 53 oauth2client._helpers._from_bytes call site: 00053 .isinstance

Fuzzer calltree

0 ...fuzz_helpers.TestInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 oauth2client._helpers.scopes_to_string [function] [call site] 00002
2 <builtin>.isinstance [function] [call site] 00003
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00004
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00005
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00006
1 oauth2client._helpers.scopes_to_string [function] [call site] 00007
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00008
1 oauth2client._helpers.string_to_scopes [function] [call site] 00009
2 <builtin>.isinstance [function] [call site] 00010
2 scopes.split [function] [call site] 00011
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00012
1 oauth2client._helpers.parse_unique_urlencoded [function] [call site] 00013
2 six.moves.urllib.parse.parse_qs [function] [call site] 00014
2 six.iteritems [function] [call site] 00015
2 <builtin>.len [function] [call site] 00016
1 oauth2client._helpers.update_query_params [function] [call site] 00017
2 six.moves.urllib.parse.urlparse [function] [call site] 00018
2 oauth2client._helpers.parse_unique_urlencoded [function] [call site] 00019
2 query_params.update [function] [call site] 00020
2 six.moves.urllib.parse.urlencode [function] [call site] 00021
2 parts._replace [function] [call site] 00022
2 six.moves.urllib.parse.urlunparse [function] [call site] 00023
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00024
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00025
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00026
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00027
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00028
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00029
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00030
1 oauth2client._helpers._add_query_parameter [function] [call site] 00031
2 oauth2client._helpers.update_query_params [function] [call site] 00032
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00033
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00034
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00035
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00036
1 oauth2client._helpers.validate_file [function] [call site] 00037
2 os.path.islink [function] [call site] 00038
2 os.path.isdir [function] [call site] 00039
2 os.path.isfile [function] [call site] 00040
2 _MISSING_FILE_MESSAGE.format [function] [call site] 00041
2 warnings.warn [function] [call site] 00042
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00043
1 oauth2client._helpers._json_encode [function] [call site] 00044
2 json.dumps [function] [call site] 00045
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00046
1 oauth2client._helpers._to_bytes [function] [call site] 00047
2 value.encode [function] [call site] 00048
2 <builtin>.isinstance [function] [call site] 00049
2 <builtin>.isinstance [function] [call site] 00050
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00051
1 oauth2client._helpers._from_bytes [function] [call site] 00052
2 value.decode [function] [call site] 00053
2 <builtin>.isinstance [function] [call site] 00054
2 <builtin>.isinstance [function] [call site] 00055
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00056
1 oauth2client._helpers._urlsafe_b64encode [function] [call site] 00057
2 oauth2client._helpers._to_bytes [function] [call site] 00058
2 base64.urlsafe_b64encode [function] [call site] 00059
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00060
1 oauth2client._helpers._urlsafe_b64decode [function] [call site] 00061
2 oauth2client._helpers._to_bytes [function] [call site] 00062
2 <builtin>.len [function] [call site] 00063
2 base64.urlsafe_b64decode [function] [call site] 00064
1 <builtin>.str [function] [call site] 00065