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
161 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 cbor_decref [call site] 00029
1 test [function] [call site] 00030
2 prng_init [call site] 00031
2 fuzz_clock_reset [call site] 00032
2 fido_init [call site] 00033
2 fido_set_log_handler [call site] 00034
2 consume_str [function] [call site] 00035
3 strlen [call site] 00036
2 get_info [function] [call site] 00038
3 set_wire_data [function] [call site] 00039
3 prepare_dev [function] [call site] 00040
4 open_dev [function] [call site] 00041
5 fido_dev_new [call site] 00042
5 fido_dev_set_io_functions [call site] 00043
5 fido_dev_set_transport_functions [call site] 00044
5 fido_dev_set_timeout [call site] 00045
5 fido_dev_open [call site] 00046
5 fido_dev_free [call site] 00047
4 fido_dev_is_fido2 [call site] 00048
4 fido_dev_supports_pin [call site] 00050
4 fido_dev_has_pin [call site] 00052
4 fido_dev_supports_uv [call site] 00054
4 fido_dev_has_uv [call site] 00056
3 fido_bio_info_new [call site] 00058
3 fido_bio_dev_get_info [call site] 00059
3 fido_strerr [call site] 00060
3 consume_str [function] [call site] 00061
3 fido_bio_info_type [call site] 00062
3 fido_bio_info_max_samples [call site] 00063
3 fido_dev_close [call site] 00066
3 fido_dev_free [call site] 00067
3 fido_bio_info_free [call site] 00068
2 enroll [function] [call site] 00069
3 set_wire_data [function] [call site] 00070
3 prepare_dev [function] [call site] 00071
3 fido_bio_template_new [call site] 00072
3 fido_bio_enroll_new [call site] 00073
3 fido_bio_dev_enroll_begin [call site] 00074
3 consume_template [function] [call site] 00075
4 fido_bio_template_name [call site] 00076
4 consume_str [function] [call site] 00077
4 fido_bio_template_id_ptr [call site] 00078
4 fido_bio_template_id_len [call site] 00079
3 consume_enroll [function] [call site] 00081
4 fido_bio_enroll_last_status [call site] 00082
4 fido_bio_enroll_remaining_samples [call site] 00083
3 fido_bio_enroll_remaining_samples [call site] 00086
3 fido_bio_dev_enroll_continue [call site] 00087
3 consume_template [function] [call site] 00088
3 consume_enroll [function] [call site] 00089
3 fido_dev_close [call site] 00090
3 fido_dev_free [call site] 00091
3 fido_bio_template_free [call site] 00092
3 fido_bio_enroll_free [call site] 00093
2 list [function] [call site] 00094
3 set_wire_data [function] [call site] 00095
3 prepare_dev [function] [call site] 00096
3 fido_bio_template_array_new [call site] 00097
3 fido_bio_dev_get_template_array [call site] 00098
3 fido_bio_template_array_count [call site] 00099
3 fido_bio_template [call site] 00100
3 consume_template [function] [call site] 00101
3 fido_dev_close [call site] 00102
3 fido_dev_free [call site] 00103
3 fido_bio_template_array_free [call site] 00104
2 set_name [function] [call site] 00105
3 set_wire_data [function] [call site] 00106
3 prepare_dev [function] [call site] 00107
3 fido_bio_template_new [call site] 00108
3 fido_bio_template_set_name [call site] 00109
3 fido_bio_template_set_id [call site] 00110
3 consume_template [function] [call site] 00111
3 fido_bio_dev_set_template_name [call site] 00112
3 fido_dev_close [call site] 00113
3 fido_dev_free [call site] 00114
3 fido_bio_template_free [call site] 00115
2 del [function] [call site] 00116
3 set_wire_data [function] [call site] 00117
3 prepare_dev [function] [call site] 00118
3 fido_bio_template_new [call site] 00119
3 fido_bio_template_set_id [call site] 00120
3 consume_template [function] [call site] 00121
3 fido_strerr [call site] 00122
3 consume_str [function] [call site] 00123
3 fido_bio_dev_enroll_remove [call site] 00124
3 fido_dev_close [call site] 00125
3 fido_dev_free [call site] 00126
3 fido_bio_template_free [call site] 00127
1 save_corpus [function] [call site] 00128
2 pack [function] [call site] 00129
3 cbor_new_definite_array [call site] 00130
3 pack_int [function] [call site] 00131
4 cbor_build_negint64 [call site] 00132
4 cbor_build_uint64 [call site] 00133
3 pack_string [function] [call site] 00134
4 strlen [call site] 00135
4 strlen [call site] 00136
4 cbor_build_bytestring [call site] 00137
3 pack_string [function] [call site] 00138
3 pack_blob [function] [call site] 00139
4 cbor_build_bytestring [call site] 00140
3 pack_blob [function] [call site] 00141
3 pack_blob [function] [call site] 00142
3 pack_blob [function] [call site] 00143
3 pack_blob [function] [call site] 00144
3 pack_blob [function] [call site] 00145
3 cbor_array_push [call site] 00146
3 cbor_serialize_alloc [call site] 00147
3 cbor_decref [call site] 00148
3 cbor_decref [call site] 00149
2 warnx [call site] 00150
2 SHA256 [call site] 00151
2 warnx [call site] 00152
2 snprintf [call site] 00153
2 warnx [call site] 00154
2 open [call site] 00155
2 warn [call site] 00156
2 write [call site] 00157
2 warn [call site] 00158
2 warnx [call site] 00159
2 close [call site] 00160
1 fprintf [call site] 00161