Fuzz introspector: fuzz_bio
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
169 0 EP call site: 00000 enroll

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fprintf [call site] 00001
1 unpack [function] [call site] 00002
2 calloc [call site] 00003
2 cbor_load [call site] 00004
2 cbor_isa_array [call site] 00005
2 cbor_array_is_definite [call site] 00006
2 cbor_array_size [call site] 00007
2 cbor_array_handle [call site] 00008
2 unpack_int [function] [call site] 00009
3 cbor_is_int [call site] 00010
3 cbor_int_get_width [call site] 00011
3 cbor_isa_uint [call site] 00012
3 cbor_get_uint64 [call site] 00013
3 cbor_get_uint64 [call site] 00014
2 unpack_string [function] [call site] 00015
3 cbor_isa_bytestring [call site] 00016
3 cbor_bytestring_length [call site] 00017
3 cbor_bytestring_handle [call site] 00018
2 unpack_string [function] [call site] 00019
2 unpack_blob [function] [call site] 00020
3 cbor_isa_bytestring [call site] 00021
3 cbor_bytestring_length [call site] 00022
3 cbor_bytestring_handle [call site] 00023
2 unpack_blob [function] [call site] 00024
2 unpack_blob [function] [call site] 00025
2 unpack_blob [function] [call site] 00026
2 unpack_blob [function] [call site] 00027
2 unpack_blob [function] [call site] 00028
2 unpack_byte [function] [call site] 00029
3 cbor_isa_uint [call site] 00030
3 cbor_int_get_width [call site] 00031
3 cbor_get_uint8 [call site] 00032
2 cbor_decref [call site] 00033
1 test [function] [call site] 00034
2 prng_init [call site] 00035
2 fuzz_clock_reset [call site] 00036
2 fido_init [call site] 00037
2 fido_set_log_handler [call site] 00038
2 consume_str [function] [call site] 00039
3 strlen [call site] 00040
2 get_info [function] [call site] 00042
3 prepare_dev [function] [call site] 00043
4 set_wire_data [function] [call site] 00044
4 open_dev [function] [call site] 00045
5 fido_dev_new [call site] 00046
5 fido_dev_set_io_functions [call site] 00047
5 fido_dev_set_transport_functions [call site] 00048
5 fido_dev_set_timeout [call site] 00049
5 fido_dev_open [call site] 00050
5 fido_dev_free [call site] 00051
4 fido_dev_is_fido2 [call site] 00052
4 fido_dev_supports_pin [call site] 00054
4 fido_dev_has_pin [call site] 00056
4 fido_dev_supports_uv [call site] 00058
4 fido_dev_has_uv [call site] 00060
4 maybe_pin [function] [call site] 00062
4 fido_dev_get_puat [call site] 00063
3 fido_bio_info_new [call site] 00064
3 fido_bio_dev_get_info [call site] 00065
3 fido_strerr [call site] 00066
3 consume_str [function] [call site] 00067
3 fido_bio_info_type [call site] 00068
3 fido_bio_info_max_samples [call site] 00069
3 fido_dev_close [call site] 00072
3 fido_dev_free [call site] 00073
3 fido_bio_info_free [call site] 00074
2 enroll [function] [call site] 00075
3 prepare_dev [function] [call site] 00076
3 fido_bio_template_new [call site] 00077
3 fido_bio_enroll_new [call site] 00078
3 maybe_pin [function] [call site] 00079
3 fido_bio_dev_enroll_begin [call site] 00080
3 consume_template [function] [call site] 00081
4 fido_bio_template_name [call site] 00082
4 consume_str [function] [call site] 00083
4 fido_bio_template_id_ptr [call site] 00084
4 fido_bio_template_id_len [call site] 00085
3 consume_enroll [function] [call site] 00087
4 fido_bio_enroll_last_status [call site] 00088
4 fido_bio_enroll_remaining_samples [call site] 00089
3 fido_bio_enroll_remaining_samples [call site] 00092
3 fido_bio_dev_enroll_continue [call site] 00093
3 consume_template [function] [call site] 00094
3 consume_enroll [function] [call site] 00095
3 fido_dev_close [call site] 00096
3 fido_dev_free [call site] 00097
3 fido_bio_template_free [call site] 00098
3 fido_bio_enroll_free [call site] 00099
2 list [function] [call site] 00100
3 prepare_dev [function] [call site] 00101
3 fido_bio_template_array_new [call site] 00102
3 maybe_pin [function] [call site] 00103
3 fido_bio_dev_get_template_array [call site] 00104
3 fido_bio_template_array_count [call site] 00105
3 fido_bio_template [call site] 00106
3 consume_template [function] [call site] 00107
3 fido_dev_close [call site] 00108
3 fido_dev_free [call site] 00109
3 fido_bio_template_array_free [call site] 00110
2 set_name [function] [call site] 00111
3 prepare_dev [function] [call site] 00112
3 fido_bio_template_new [call site] 00113
3 fido_bio_template_set_name [call site] 00114
3 fido_bio_template_set_id [call site] 00115
3 consume_template [function] [call site] 00116
3 maybe_pin [function] [call site] 00117
3 fido_bio_dev_set_template_name [call site] 00118
3 fido_dev_close [call site] 00119
3 fido_dev_free [call site] 00120
3 fido_bio_template_free [call site] 00121
2 del [function] [call site] 00122
3 prepare_dev [function] [call site] 00123
3 fido_bio_template_new [call site] 00124
3 fido_bio_template_set_id [call site] 00125
3 consume_template [function] [call site] 00126
3 fido_strerr [call site] 00127
3 consume_str [function] [call site] 00128
3 maybe_pin [function] [call site] 00129
3 fido_bio_dev_enroll_remove [call site] 00130
3 fido_dev_close [call site] 00131
3 fido_dev_free [call site] 00132
3 fido_bio_template_free [call site] 00133
1 save_corpus [function] [call site] 00134
2 pack [function] [call site] 00135
3 cbor_new_definite_array [call site] 00136
3 pack_int [function] [call site] 00137
4 cbor_build_negint64 [call site] 00138
4 cbor_build_uint64 [call site] 00139
3 pack_string [function] [call site] 00140
4 strlen [call site] 00141
4 strlen [call site] 00142
4 cbor_build_bytestring [call site] 00143
3 pack_string [function] [call site] 00144
3 pack_blob [function] [call site] 00145
4 cbor_build_bytestring [call site] 00146
3 pack_blob [function] [call site] 00147
3 pack_blob [function] [call site] 00148
3 pack_blob [function] [call site] 00149
3 pack_blob [function] [call site] 00150
3 pack_blob [function] [call site] 00151
3 pack_byte [function] [call site] 00152
4 cbor_build_uint8 [call site] 00153
3 cbor_array_push [call site] 00154
3 cbor_serialize_alloc [call site] 00155
3 cbor_decref [call site] 00156
3 cbor_decref [call site] 00157
2 warnx [call site] 00158
2 SHA256 [call site] 00159
2 warnx [call site] 00160
2 snprintf [call site] 00161
2 warnx [call site] 00162
2 open [call site] 00163
2 warn [call site] 00164
2 write [call site] 00165
2 warn [call site] 00166
2 warnx [call site] 00167
2 close [call site] 00168
1 fprintf [call site] 00169