Fuzz introspector: fuzz_cred
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
231 0 EP call site: 00000 test_cred

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_byte [function] [call site] 00009
3 cbor_isa_uint [call site] 00010
3 cbor_int_get_width [call site] 00011
3 cbor_get_uint8 [call site] 00012
2 unpack_byte [function] [call site] 00013
2 unpack_byte [function] [call site] 00014
2 unpack_byte [function] [call site] 00015
2 unpack_byte [function] [call site] 00016
2 unpack_int [function] [call site] 00017
3 cbor_is_int [call site] 00018
3 cbor_int_get_width [call site] 00019
3 cbor_isa_uint [call site] 00020
3 cbor_get_uint64 [call site] 00021
3 cbor_get_uint64 [call site] 00022
2 unpack_int [function] [call site] 00023
2 unpack_string [function] [call site] 00024
3 cbor_isa_bytestring [call site] 00025
3 cbor_bytestring_length [call site] 00026
3 cbor_bytestring_handle [call site] 00027
2 unpack_string [function] [call site] 00028
2 unpack_string [function] [call site] 00029
2 unpack_string [function] [call site] 00030
2 unpack_string [function] [call site] 00031
2 unpack_string [function] [call site] 00032
2 unpack_blob [function] [call site] 00033
3 cbor_isa_bytestring [call site] 00034
3 cbor_bytestring_length [call site] 00035
3 cbor_bytestring_handle [call site] 00036
2 unpack_blob [function] [call site] 00037
2 unpack_blob [function] [call site] 00038
2 unpack_blob [function] [call site] 00039
2 cbor_decref [call site] 00040
1 test [function] [call site] 00041
2 prng_init [call site] 00042
2 fuzz_clock_reset [call site] 00043
2 fido_init [call site] 00044
2 fido_set_log_handler [call site] 00045
2 consume_str [function] [call site] 00046
3 strlen [call site] 00047
3 consume [function] [call site] 00048
2 test_cred [function] [call site] 00049
3 fido_cred_new [call site] 00050
3 set_wire_data [function] [call site] 00051
3 make_cred [function] [call site] 00052
4 open_dev [function] [call site] 00053
5 fido_dev_new [call site] 00054
5 fido_dev_set_io_functions [call site] 00055
5 fido_dev_set_transport_functions [call site] 00056
5 fido_dev_set_timeout [call site] 00057
5 fido_dev_open [call site] 00058
5 fido_dev_free [call site] 00059
4 fido_dev_force_u2f [call site] 00060
4 fido_cred_exclude [call site] 00061
4 fido_cred_set_type [call site] 00062
4 fido_cred_set_clientdata_hash [call site] 00063
4 fido_cred_set_rp [call site] 00064
4 fido_cred_set_user [call site] 00065
4 fido_cred_set_extensions [call site] 00066
4 fido_cred_set_blob [call site] 00067
4 fido_cred_set_extensions [call site] 00068
4 strlen [call site] 00069
4 fido_cred_set_pin_minlen [call site] 00070
4 fido_cred_set_rk [call site] 00071
4 fido_cred_set_uv [call site] 00072
4 fido_cred_set_prot [call site] 00073
4 fido_cred_set_entattest [call site] 00074
4 fido_cred_set_type [call site] 00075
4 fido_cred_set_clientdata_hash [call site] 00076
4 fido_cred_set_rp [call site] 00077
4 fido_cred_set_user [call site] 00078
4 strlen [call site] 00079
4 fido_dev_make_cred [call site] 00080
4 fido_dev_cancel [call site] 00081
4 fido_dev_close [call site] 00082
4 fido_dev_free [call site] 00083
3 fido_cred_clientdata_hash_ptr [call site] 00084
3 fido_cred_clientdata_hash_len [call site] 00085
3 fido_cred_rp_id [call site] 00086
3 fido_cred_rp_name [call site] 00087
3 fido_cred_authdata_ptr [call site] 00088
3 fido_cred_authdata_len [call site] 00089
3 fido_cred_authdata_raw_ptr [call site] 00090
3 fido_cred_authdata_raw_len [call site] 00091
3 fido_cred_x5c_ptr [call site] 00092
3 fido_cred_x5c_len [call site] 00093
3 fido_cred_sig_ptr [call site] 00094
3 fido_cred_sig_len [call site] 00095
3 fido_cred_attstmt_ptr [call site] 00096
3 fido_cred_attstmt_len [call site] 00097
3 fido_cred_fmt [call site] 00098
3 fido_cred_prot [call site] 00099
3 fido_cred_pin_minlen [call site] 00100
3 verify_cred [function] [call site] 00101
4 fido_cred_new [call site] 00102
4 fido_cred_set_type [call site] 00103
4 fido_cred_set_clientdata_hash [call site] 00104
4 fido_cred_set_rp [call site] 00105
4 consume [function] [call site] 00106
4 consume [function] [call site] 00107
4 consume [function] [call site] 00108
4 consume [function] [call site] 00109
4 consume [function] [call site] 00110
4 fido_cred_set_authdata [call site] 00111
4 fido_cred_set_authdata_raw [call site] 00112
4 fido_cred_set_extensions [call site] 00113
4 fido_cred_set_attstmt [call site] 00114
4 fido_cred_set_x509 [call site] 00115
4 fido_cred_set_sig [call site] 00116
4 fido_cred_set_prot [call site] 00117
4 fido_cred_set_pin_minlen [call site] 00118
4 fido_cred_set_rk [call site] 00119
4 fido_cred_set_uv [call site] 00120
4 fido_cred_set_fmt [call site] 00121
4 fido_cred_x5c_list_count [call site] 00122
4 fido_cred_x5c_list_ptr [call site] 00123
4 fido_cred_x5c_list_len [call site] 00124
4 consume [function] [call site] 00125
4 fido_cred_set_authdata [call site] 00126
4 fido_cred_set_authdata_raw [call site] 00127
4 fido_cred_set_attstmt [call site] 00128
4 fido_cred_set_x509 [call site] 00129
4 fido_cred_set_sig [call site] 00130
4 fido_cred_set_x509 [call site] 00131
4 fido_cred_set_sig [call site] 00132
4 fido_cred_verify [call site] 00133
4 consume [function] [call site] 00134
4 fido_cred_verify_self [call site] 00135
4 consume [function] [call site] 00136
4 fido_cred_pubkey_ptr [call site] 00137
4 fido_cred_pubkey_len [call site] 00138
4 consume [function] [call site] 00139
4 fido_cred_id_ptr [call site] 00140
4 fido_cred_id_len [call site] 00141
4 consume [function] [call site] 00142
4 fido_cred_aaguid_ptr [call site] 00143
4 fido_cred_aaguid_len [call site] 00144
4 consume [function] [call site] 00145
4 fido_cred_user_id_ptr [call site] 00146
4 fido_cred_user_id_len [call site] 00147
4 consume [function] [call site] 00148
4 fido_cred_user_name [call site] 00149
4 consume_str [function] [call site] 00150
4 fido_cred_display_name [call site] 00151
4 consume_str [function] [call site] 00152
4 fido_cred_largeblob_key_ptr [call site] 00153
4 fido_cred_largeblob_key_len [call site] 00154
4 consume [function] [call site] 00155
4 fido_cred_flags [call site] 00156
4 consume [function] [call site] 00157
4 fido_cred_sigcount [call site] 00158
4 consume [function] [call site] 00159
4 fido_cred_type [call site] 00160
4 consume [function] [call site] 00161
4 fido_cred_pin_minlen [call site] 00162
4 consume [function] [call site] 00163
4 fido_cred_entattest [call site] 00164
4 consume [function] [call site] 00165
4 fido_cred_free [call site] 00166
3 fido_cred_free [call site] 00167
2 test_touch [function] [call site] 00168
3 set_wire_data [function] [call site] 00169
3 open_dev [function] [call site] 00170
3 fido_dev_force_u2f [call site] 00171
3 fido_dev_get_touch_begin [call site] 00172
3 fido_strerr [call site] 00173
3 consume_str [function] [call site] 00174
3 fido_dev_get_touch_status [call site] 00175
3 fido_strerr [call site] 00176
3 consume_str [function] [call site] 00177
3 consume [function] [call site] 00178
3 fido_dev_cancel [call site] 00179
3 fido_dev_close [call site] 00180
3 fido_dev_free [call site] 00181
2 test_misc [function] [call site] 00182
3 fido_cred_new [call site] 00183
3 fido_cred_set_id [call site] 00184
3 fido_cred_id_ptr [call site] 00185
3 fido_cred_id_len [call site] 00186
3 consume [function] [call site] 00187
3 fido_cred_free [call site] 00188
1 save_corpus [function] [call site] 00189
2 pack [function] [call site] 00190
3 cbor_new_definite_array [call site] 00191
3 pack_byte [function] [call site] 00192
4 cbor_build_uint8 [call site] 00193
3 pack_byte [function] [call site] 00194
3 pack_byte [function] [call site] 00195
3 pack_byte [function] [call site] 00196
3 pack_byte [function] [call site] 00197
3 pack_int [function] [call site] 00198
4 cbor_build_negint64 [call site] 00199
4 cbor_build_uint64 [call site] 00200
3 pack_int [function] [call site] 00201
3 pack_string [function] [call site] 00202
4 strlen [call site] 00203
4 strlen [call site] 00204
4 cbor_build_bytestring [call site] 00205
3 pack_string [function] [call site] 00206
3 pack_string [function] [call site] 00207
3 pack_string [function] [call site] 00208
3 pack_string [function] [call site] 00209
3 pack_string [function] [call site] 00210
3 pack_blob [function] [call site] 00211
4 cbor_build_bytestring [call site] 00212
3 pack_blob [function] [call site] 00213
3 pack_blob [function] [call site] 00214
3 pack_blob [function] [call site] 00215
3 cbor_array_push [call site] 00216
3 cbor_serialize_alloc [call site] 00217
3 cbor_decref [call site] 00218
3 cbor_decref [call site] 00219
2 warnx [call site] 00220
2 SHA256 [call site] 00221
2 warnx [call site] 00222
2 snprintf [call site] 00223
2 warnx [call site] 00224
2 open [call site] 00225
2 warn [call site] 00226
2 write [call site] 00227
2 warn [call site] 00228
2 warnx [call site] 00229
2 close [call site] 00230
1 fprintf [call site] 00231