Fuzz introspector: fuzz_assert
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
210 0 EP call site: 00000 save_corpus

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_blob [function] [call site] 00029
3 cbor_isa_bytestring [call site] 00030
3 cbor_bytestring_length [call site] 00031
3 cbor_bytestring_handle [call site] 00032
2 unpack_blob [function] [call site] 00033
2 unpack_blob [function] [call site] 00034
2 unpack_blob [function] [call site] 00035
2 unpack_blob [function] [call site] 00036
2 unpack_blob [function] [call site] 00037
2 cbor_decref [call site] 00038
1 test [function] [call site] 00039
2 prng_init [call site] 00040
2 fuzz_clock_reset [call site] 00041
2 fido_init [call site] 00042
2 fido_set_log_handler [call site] 00043
2 consume_str [function] [call site] 00044
3 strlen [call site] 00045
3 consume [function] [call site] 00046
2 es256_pk_new [call site] 00047
2 es256_pk_from_ptr [call site] 00048
2 es256_convert [function] [call site] 00049
3 es256_pk_to_EVP_PKEY [call site] 00050
3 es256_pk_new [call site] 00051
3 es256_pk_from_EVP_PKEY [call site] 00052
3 consume [function] [call site] 00053
3 es256_pk_free [call site] 00054
3 EVP_PKEY_free [call site] 00055
2 rs256_pk_new [call site] 00056
2 rs256_pk_from_ptr [call site] 00057
2 rs256_convert [function] [call site] 00058
3 rs256_pk_to_EVP_PKEY [call site] 00059
3 rs256_pk_new [call site] 00060
3 rs256_pk_from_EVP_PKEY [call site] 00061
3 consume [function] [call site] 00062
3 rs256_pk_free [call site] 00063
3 EVP_PKEY_free [call site] 00064
2 es384_pk_new [call site] 00065
2 es384_pk_from_ptr [call site] 00066
2 es384_convert [function] [call site] 00067
3 es384_pk_to_EVP_PKEY [call site] 00068
3 es384_pk_new [call site] 00069
3 es384_pk_from_EVP_PKEY [call site] 00070
3 consume [function] [call site] 00071
3 es384_pk_free [call site] 00072
3 EVP_PKEY_free [call site] 00073
2 eddsa_pk_new [call site] 00074
2 eddsa_pk_from_ptr [call site] 00075
2 eddsa_convert [function] [call site] 00076
3 eddsa_pk_to_EVP_PKEY [call site] 00077
3 eddsa_pk_new [call site] 00078
3 eddsa_pk_from_EVP_PKEY [call site] 00079
3 consume [function] [call site] 00080
3 eddsa_pk_free [call site] 00081
3 EVP_PKEY_free [call site] 00082
2 fido_assert_new [call site] 00083
2 set_wire_data [function] [call site] 00084
2 get_assert [function] [call site] 00085
3 open_dev [function] [call site] 00086
4 fido_dev_new [call site] 00087
4 fido_dev_set_io_functions [call site] 00088
4 fido_dev_set_transport_functions [call site] 00089
4 fido_dev_set_timeout [call site] 00090
4 fido_dev_open [call site] 00091
4 fido_dev_free [call site] 00092
3 fido_dev_force_u2f [call site] 00093
3 fido_assert_set_extensions [call site] 00094
3 fido_assert_set_extensions [call site] 00095
3 fido_assert_set_extensions [call site] 00096
3 fido_assert_set_up [call site] 00097
3 fido_assert_set_up [call site] 00098
3 fido_assert_set_uv [call site] 00099
3 fido_assert_allow_cred [call site] 00100
3 fido_assert_set_clientdata_hash [call site] 00101
3 fido_assert_set_rp [call site] 00102
3 fido_assert_set_hmac_salt [call site] 00103
3 fido_assert_set_clientdata_hash [call site] 00104
3 fido_assert_set_rp [call site] 00105
3 fido_assert_set_hmac_salt [call site] 00106
3 strlen [call site] 00107
3 fido_dev_get_assert [call site] 00108
3 fido_dev_cancel [call site] 00109
3 fido_dev_close [call site] 00110
3 fido_dev_free [call site] 00111
2 fido_assert_count [call site] 00112
2 fido_assert_clientdata_hash_ptr [call site] 00113
2 fido_assert_clientdata_hash_len [call site] 00114
2 fido_assert_rp_id [call site] 00115
2 fido_assert_authdata_ptr [call site] 00116
2 fido_assert_authdata_len [call site] 00117
2 fido_assert_sig_ptr [call site] 00118
2 fido_assert_sig_len [call site] 00119
2 verify_assert [function] [call site] 00120
3 fido_assert_new [call site] 00121
3 fido_assert_set_clientdata_hash [call site] 00122
3 fido_assert_set_rp [call site] 00123
3 fido_assert_set_count [call site] 00124
3 fido_assert_set_authdata [call site] 00125
3 fido_assert_set_authdata_raw [call site] 00126
3 fido_assert_set_up [call site] 00127
3 fido_assert_set_uv [call site] 00128
3 fido_assert_set_extensions [call site] 00129
3 fido_assert_set_sig [call site] 00130
3 fido_assert_set_authdata [call site] 00131
3 fido_assert_set_authdata_raw [call site] 00132
3 fido_assert_set_sig [call site] 00133
3 fido_assert_verify [call site] 00134
3 consume [function] [call site] 00135
3 fido_assert_free [call site] 00136
2 fido_assert_authdata_raw_ptr [call site] 00137
2 fido_assert_authdata_raw_len [call site] 00138
2 consume [function] [call site] 00139
2 fido_assert_id_ptr [call site] 00140
2 fido_assert_id_len [call site] 00141
2 consume [function] [call site] 00142
2 fido_assert_user_id_ptr [call site] 00143
2 fido_assert_user_id_len [call site] 00144
2 consume [function] [call site] 00145
2 fido_assert_hmac_secret_ptr [call site] 00146
2 fido_assert_hmac_secret_len [call site] 00147
2 consume [function] [call site] 00148
2 fido_assert_user_icon [call site] 00149
2 consume_str [function] [call site] 00150
2 fido_assert_user_name [call site] 00151
2 consume_str [function] [call site] 00152
2 fido_assert_user_display_name [call site] 00153
2 consume_str [function] [call site] 00154
2 fido_assert_blob_ptr [call site] 00155
2 fido_assert_blob_len [call site] 00156
2 consume [function] [call site] 00157
2 fido_assert_largeblob_key_ptr [call site] 00158
2 fido_assert_largeblob_key_len [call site] 00159
2 consume [function] [call site] 00160
2 fido_assert_flags [call site] 00161
2 consume [function] [call site] 00162
2 fido_assert_sigcount [call site] 00163
2 consume [function] [call site] 00164
2 es256_pk_free [call site] 00165
2 es384_pk_free [call site] 00166
2 rs256_pk_free [call site] 00167
2 eddsa_pk_free [call site] 00168
2 fido_assert_free [call site] 00169
1 save_corpus [function] [call site] 00170
2 pack [function] [call site] 00171
3 cbor_new_definite_array [call site] 00172
3 pack_byte [function] [call site] 00173
4 cbor_build_uint8 [call site] 00174
3 pack_byte [function] [call site] 00175
3 pack_byte [function] [call site] 00176
3 pack_byte [function] [call site] 00177
3 pack_byte [function] [call site] 00178
3 pack_int [function] [call site] 00179
4 cbor_build_negint64 [call site] 00180
4 cbor_build_uint64 [call site] 00181
3 pack_int [function] [call site] 00182
3 pack_string [function] [call site] 00183
4 strlen [call site] 00184
4 strlen [call site] 00185
4 cbor_build_bytestring [call site] 00186
3 pack_string [function] [call site] 00187
3 pack_blob [function] [call site] 00188
4 cbor_build_bytestring [call site] 00189
3 pack_blob [function] [call site] 00190
3 pack_blob [function] [call site] 00191
3 pack_blob [function] [call site] 00192
3 pack_blob [function] [call site] 00193
3 pack_blob [function] [call site] 00194
3 cbor_array_push [call site] 00195
3 cbor_serialize_alloc [call site] 00196
3 cbor_decref [call site] 00197
3 cbor_decref [call site] 00198
2 warnx [call site] 00199
2 SHA256 [call site] 00200
2 warnx [call site] 00201
2 snprintf [call site] 00202
2 warnx [call site] 00203
2 open [call site] 00204
2 warn [call site] 00205
2 write [call site] 00206
2 warn [call site] 00207
2 warnx [call site] 00208
2 close [call site] 00209
1 fprintf [call site] 00210