Fuzz introspector: fuzz_base64
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
100 230 _oidc_strstr call site: 00230 oidc_metrics_counter_set_or_update
88 141 oidc_cfg_post_config call site: 00141 oidc_metrics_thread_run
20 36 oidc_cfg_server_alloc call site: 00036 oidc_cfg_server_destroy
8 116 oidc_cache_mutex_global_create call site: 00116 ap_log_error_
5 76 _oidc_strnatcasecmp call site: 00076 _oidc_strnatcasecmp
5 337 oidc_cfg_parse_option call site: 00337 oidc_cfg_parse_options_flatten
4 136 oidc_cache_mutex_global_create call site: 00136 ap_log_error_
4 350 oidc_http_curl_pool_init call site: 00350 oidc_http_curl_pool_cleanup
3 105 oidc_test_crypto_passphrase_derive_keys_cached call site: 00105 oidc_test_key_derive_cached
3 127 oidc_cache_mutex_global_create call site: 00127 ap_log_error_
3 131 oidc_cache_mutex_global_create call site: 00131 ap_log_error_
2 67 oidc_test_request_init call site: 00067 oidc_cfg_provider_authorization_endpoint_url_valid

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 LLVMFuzzerInitialize [function] [call site] 00001
2 oidc_test_setup [function] [call site] 00002
3 apr_initialize [call site] 00003
3 oidc_pre_config_init [function] [call site] 00004
4 OPENSSL_init_crypto [call site] 00005
4 OPENSSL_init_crypto [call site] 00006
4 OPENSSL_init_crypto [call site] 00007
3 oidc_test_set_auth_type [function] [call site] 00008
3 apr_pool_create_ex [call site] 00009
3 oidc_test_request_init [function] [call site] 00010
4 apr_palloc [call site] 00011
4 apr_pool_create_ex [call site] 00012
4 apr_table_make [call site] 00013
4 apr_table_make [call site] 00014
4 apr_table_make [call site] 00015
4 apr_table_make [call site] 00016
4 apr_table_make [call site] 00017
4 apr_table_set [call site] 00018
4 apr_table_set [call site] 00019
4 apr_table_set [call site] 00020
4 apr_palloc [call site] 00021
4 apr_palloc [call site] 00022
4 apr_pool_create_ex [call site] 00023
4 apr_pool_create_ex [call site] 00024
4 apr_palloc [call site] 00025
4 apr_bucket_alloc_create [call site] 00026
4 apr_palloc [call site] 00027
4 apr_palloc [call site] 00028
4 apr_pool_userdata_set [call site] 00029
4 apr_uri_parse [call site] 00030
4 oidc_cfg_server_create [function] [call site] 00031
5 oidc_cfg_server_alloc [function] [call site] 00032
6 apr_palloc [call site] 00033
6 apr_palloc [call site] 00034
6 apr_pool_pre_cleanup_register [call site] 00035
6 oidc_cfg_server_cleanup [function] [call site] 00036
7 oidc_cfg_server_destroy [function] [call site] 00037
8 oidc_cfg_provider_destroy [function] [call site] 00038
9 oidc_jwk_list_destroy [function] [call site] 00039
10 apr_array_pop [call site] 00040
10 oidc_jwk_destroy [function] [call site] 00041
11 cjose_jwk_release [function] [call site] 00042
12 cjose_get_dealloc [function] [call site] 00043
9 oidc_jwk_list_destroy [function] [call site] 00044
9 oidc_jwk_list_destroy [function] [call site] 00045
8 oidc_cfg_oauth_destroy [function] [call site] 00046
9 oidc_jwk_list_destroy [function] [call site] 00047
9 oidc_jwk_list_destroy_hash [function] [call site] 00048
10 apr_hash_first [call site] 00049
10 apr_hash_this [call site] 00050
10 oidc_jwk_destroy [function] [call site] 00051
10 apr_hash_set [call site] 00052
10 apr_hash_next [call site] 00053
9 oidc_jwk_list_destroy_hash [function] [call site] 00054
8 oidc_jwk_list_destroy [function] [call site] 00055
8 oidc_jwk_list_destroy [function] [call site] 00056
5 oidc_cfg_provider_create [function] [call site] 00057
6 apr_palloc [call site] 00058
6 oidc_cfg_provider_init [function] [call site] 00059
5 oidc_cfg_oauth_create [function] [call site] 00060
6 apr_palloc [call site] 00061
5 oidc_cfg_cache_create_server_config [function] [call site] 00062
4 oidc_cfg_provider_get [function] [call site] 00063
4 oidc_cfg_provider_issuer_set [function] [call site] 00064
5 apr_pstrdup [call site] 00065
4 oidc_cfg_provider_get [function] [call site] 00066
4 oidc_cfg_provider_authorization_endpoint_url_set [function] [call site] 00067
5 oidc_cfg_provider_authorization_endpoint_url_valid [function] [call site] 00068
6 oidc_cfg_parse_is_valid_http_url [function] [call site] 00069
7 oidc_cfg_parse_is_valid_url_scheme [function] [call site] 00070
8 apr_psprintf [call site] 00071
8 apr_uri_parse [call site] 00072
8 apr_psprintf [call site] 00073
8 apr_psprintf [call site] 00074
8 _oidc_strnatcasecmp [function] [call site] 00075
9 apr_strnatcasecmp [call site] 00076
8 _oidc_strnatcasecmp [function] [call site] 00077
8 apr_psprintf [call site] 00078
8 apr_psprintf [call site] 00079
8 apr_psprintf [call site] 00080
5 apr_pstrdup [call site] 00081
4 oidc_cfg_provider_get [function] [call site] 00082
4 oidc_cfg_provider_client_id_set [function] [call site] 00083
5 apr_pstrdup [call site] 00084
4 oidc_cfg_dir_config_create [function] [call site] 00085
5 apr_palloc [call site] 00086
5 apr_hash_make [call site] 00087
4 apr_palloc [call site] 00088
4 apr_palloc [call site] 00089
4 apr_array_make [call site] 00090
4 apr_array_make [call site] 00091
4 oidc_test_crypto_passphrase_derive_keys_cached [function] [call site] 00092
5 _oidc_strlen [function] [call site] 00093
6 strlen [call site] 00094
5 oidc_test_key_derive_cached [function] [call site] 00095
6 _oidc_strcmp [function] [call site] 00096
7 strcmp [call site] 00097
6 oidc_util_key_derive_passphrase_key [function] [call site] 00098
7 _oidc_strlen [function] [call site] 00099
7 _oidc_strlen [function] [call site] 00100
7 EVP_sha256 [call site] 00101
7 PKCS5_PBKDF2_HMAC [call site] 00102
6 _oidc_strlen [function] [call site] 00103
6 strcpy [call site] 00104
5 _oidc_strlen [function] [call site] 00105
5 oidc_test_key_derive_cached [function] [call site] 00106
4 fprintf [call site] 00107
4 exit [call site] 00108
4 getenv [call site] 00109
4 __isoc23_strtol [call site] 00110
4 oidc_cfg_post_config [function] [call site] 00111
5 oidc_cache_mutex_create [function] [call site] 00112
6 apr_palloc [call site] 00113
5 oidc_cache_mutex_post_config [function] [call site] 00114
6 oidc_cache_mutex_global_create [function] [call site] 00115
7 apr_temp_dir_get [call site] 00116
7 oidc_cache_status2str [function] [call site] 00117
8 apr_strerror [call site] 00118
8 apr_pstrdup [call site] 00119
7 apr_psprintf [call site] 00120
7 ap_log_error_ [function] [call site] 00121
8 fprintf [call site] 00122
8 vfprintf [call site] 00123
8 fprintf [call site] 00124
7 getpid [call site] 00125
7 apr_psprintf [call site] 00126
7 apr_global_mutex_create [call site] 00127
7 oidc_cache_status2str [function] [call site] 00128
7 apr_psprintf [call site] 00129
7 ap_log_error_ [function] [call site] 00130
7 ap_unixd_set_global_mutex_perms [function] [call site] 00131
7 oidc_cache_status2str [function] [call site] 00132
7 apr_psprintf [call site] 00133
7 ap_log_error_ [function] [call site] 00134
7 apr_psprintf [call site] 00135
7 ap_log_error_ [function] [call site] 00136
6 apr_thread_mutex_create [call site] 00137
6 oidc_cache_status2str [function] [call site] 00138
6 apr_psprintf [call site] 00139
6 ap_log_error_ [function] [call site] 00140
5 oidc_metrics_post_config [function] [call site] 00141
6 _oidc_metrics_shm_size [function] [call site] 00142
7 oidc_cfg_metrics_cache_json_max_get [function] [call site] 00143
7 _oidc_metrics_get_env_int [function] [call site] 00144
8 getenv [call site] 00145
8 _oidc_str_to_int [function] [call site] 00146
9 _oidc_str_to_int_checked [function] [call site] 00147
10 __errno_location [call site] 00148
10 __isoc23_strtol [call site] 00149
10 __errno_location [call site] 00150
7 apr_psprintf [call site] 00151
7 ap_log_error_ [function] [call site] 00152
6 apr_shm_create [call site] 00153
6 apr_shm_baseaddr_get [call site] 00154
6 _oidc_metrics_shm_size [function] [call site] 00155
6 oidc_metrics_local_reset [function] [call site] 00156
7 apr_pool_create_ex [call site] 00157
7 apr_psprintf [call site] 00158
7 ap_log_error_ [function] [call site] 00159
7 apr_pool_clear [call site] 00160
7 apr_hash_make [call site] 00161
7 apr_hash_make [call site] 00162
6 oidc_cache_mutex_create [function] [call site] 00163
6 oidc_cache_mutex_post_config [function] [call site] 00164
6 oidc_cache_mutex_create [function] [call site] 00165
6 oidc_cache_mutex_post_config [function] [call site] 00166
6 apr_thread_create [call site] 00167
6 oidc_metrics_thread_run [function] [call site] 00168
7 oidc_util_rand_int [function] [call site] 00169
8 _oidc_util_rand [function] [call site] 00170
9 apr_generate_random_bytes [call site] 00171
7 apr_sleep [call site] 00172
7 _oidc_metrics_interval [function] [call site] 00173
8 oidc_cfg_metrics_cache_storage_interval_get [function] [call site] 00174
8 _oidc_metrics_get_env_int [function] [call site] 00175
7 apr_atomic_read32 [call site] 00176
7 apr_sleep [call site] 00177
7 apr_atomic_read32 [call site] 00178
7 oidc_cache_mutex_lock [function] [call site] 00179
8 apr_global_mutex_lock [call site] 00180
8 apr_thread_mutex_lock [call site] 00181
8 oidc_cache_status2str [function] [call site] 00182
8 apr_psprintf [call site] 00183
8 ap_log_error_ [function] [call site] 00184
7 oidc_metrics_store [function] [call site] 00185
8 apr_hash_count [call site] 00186
8 apr_pool_create_ex [call site] 00187
8 apr_psprintf [call site] 00188
8 ap_log_error_ [function] [call site] 00189
8 oidc_cache_mutex_lock [function] [call site] 00190
8 apr_pool_destroy [call site] 00191
8 _oidc_metrics_storage_get [function] [call site] 00192
9 _oidc_metrics_shm_json [function] [call site] 00193
10 apr_shm_baseaddr_get [call site] 00194
9 _oidc_metrics_shm_size [function] [call site] 00195
9 apr_pstrndup [call site] 00196
8 oidc_metrics_json_parse_s [function] [call site] 00197
9 oidc_metrics_json_load [function] [call site] 00198
10 oidc_json_parse [function] [call site] 00199
11 apr_pstrdup [call site] 00200
11 oidc_json_flags2backend [function] [call site] 00201
11 json_loads [call site] 00202
11 json_error_code [function] [call site] 00203
11 apr_pstrdup [call site] 00204
11 apr_pstrndup [call site] 00205
11 apr_psprintf [call site] 00206
9 apr_psprintf [call site] 00207
9 ap_log_error_ [function] [call site] 00208
8 oidc_json_object [function] [call site] 00209
9 json_object [call site] 00210
8 oidc_metrics_store_counters [function] [call site] 00211
9 apr_hash_first [call site] 00212
9 apr_hash_this [call site] 00213
9 oidc_metrics_server_get [function] [call site] 00214
10 oidc_json_object_get [function] [call site] 00215
11 json_object_get [call site] 00216
10 oidc_json_object [function] [call site] 00217
10 oidc_json_object [function] [call site] 00218
10 oidc_json_object_set_new [function] [call site] 00219
11 json_object_set_new [call site] 00220
10 oidc_json_object [function] [call site] 00221
10 oidc_json_object_set_new [function] [call site] 00222
10 oidc_json_object_set_new [function] [call site] 00223
9 oidc_json_object_get [function] [call site] 00224
9 apr_hash_first [call site] 00225
9 apr_hash_this [call site] 00226
9 oidc_metrics_store_counter_entry [function] [call site] 00227
10 apr_pstrdup [call site] 00228
10 _oidc_strstr [function] [call site] 00229
11 strstr [call site] 00230
10 oidc_metrics_counter_set_or_update [function] [call site] 00231
11 oidc_json_object_get [function] [call site] 00232
11 oidc_metrics_counter_update [function] [call site] 00233
12 apr_hash_first [call site] 00234
12 apr_hash_this [call site] 00235
12 _oidc_strcmp [function] [call site] 00236
12 oidc_json_object_get [function] [call site] 00237
12 oidc_json_integer [function] [call site] 00238
13 json_integer [call site] 00239
12 oidc_json_object_set_new [function] [call site] 00240
12 oidc_json_integer_value [function] [call site] 00241
13 json_integer_value [call site] 00242
12 _is_overflow [function] [call site] 00243
13 _json_int2str [function] [call site] 00244
14 apr_psprintf [call site] 00245
13 apr_psprintf [call site] 00246
13 ap_log_error_ [function] [call site] 00247
12 oidc_json_integer_set [function] [call site] 00248
13 json_integer_set [call site] 00249
12 apr_hash_next [call site] 00250
11 oidc_metrics_counter_new [function] [call site] 00251
12 apr_hash_first [call site] 00252
12 apr_hash_this [call site] 00253
12 _oidc_strcmp [function] [call site] 00254
12 oidc_json_integer [function] [call site] 00255
12 oidc_json_object [function] [call site] 00256
12 oidc_json_integer [function] [call site] 00257
12 oidc_json_object_set_new [function] [call site] 00258
12 apr_hash_next [call site] 00259
11 oidc_json_object_set_new [function] [call site] 00260
10 oidc_json_object_get [function] [call site] 00261
10 oidc_json_object [function] [call site] 00262
10 oidc_metrics_counter_new [function] [call site] 00263
10 oidc_json_object_set_new [function] [call site] 00264
10 oidc_json_object_set_new [function] [call site] 00265
10 oidc_metrics_counter_set_or_update [function] [call site] 00266
9 apr_hash_next [call site] 00267
9 apr_hash_next [call site] 00268
8 oidc_metrics_store_timings [function] [call site] 00269
9 apr_hash_first [call site] 00270
9 apr_hash_this [call site] 00271
9 oidc_metrics_server_get [function] [call site] 00272
9 oidc_json_object_get [function] [call site] 00273
9 apr_hash_first [call site] 00274
9 apr_hash_this [call site] 00275
9 oidc_json_object_get [function] [call site] 00276
9 oidc_metrics_timings_update [function] [call site] 00277
10 oidc_json_object_get [function] [call site] 00278
10 oidc_json_integer_value [function] [call site] 00279
10 oidc_json_integer_set [function] [call site] 00280
10 oidc_json_object_get [function] [call site] 00281
10 oidc_json_integer_value [function] [call site] 00282
10 _is_overflow [function] [call site] 00283
10 oidc_json_integer_set [function] [call site] 00284
10 oidc_json_object_get [function] [call site] 00285
10 oidc_json_integer_value [function] [call site] 00286
10 oidc_json_integer_set [function] [call site] 00287
9 oidc_metrics_timings_new [function] [call site] 00288
10 oidc_json_object [function] [call site] 00289
10 oidc_json_integer [function] [call site] 00290
10 oidc_json_object_set_new [function] [call site] 00291
10 oidc_json_integer [function] [call site] 00292
10 oidc_json_object_set_new [function] [call site] 00293
10 oidc_json_integer [function] [call site] 00294
10 oidc_json_object_set_new [function] [call site] 00295
9 oidc_json_object_set_new [function] [call site] 00296
9 apr_hash_next [call site] 00297
9 apr_hash_next [call site] 00298
8 oidc_json_encode [function] [call site] 00299
9 oidc_json_flags2backend [function] [call site] 00300
9 json_dumps [call site] 00301
9 apr_pstrdup [call site] 00302
8 oidc_json_decref [function] [call site] 00303
9 json_decref [function] [call site] 00304
10 json_delete [call site] 00305
8 _oidc_metrics_storage_set [function] [call site] 00306
9 _oidc_metrics_shm_json [function] [call site] 00307
9 _oidc_strlen [function] [call site] 00308
9 _oidc_metrics_shm_size [function] [call site] 00309
9 _oidc_metrics_shm_hdr [function] [call site] 00310
10 apr_shm_baseaddr_get [call site] 00311
9 apr_atomic_inc32 [call site] 00312
9 _oidc_metrics_shm_size [function] [call site] 00313
9 apr_psprintf [call site] 00314
9 ap_log_error_ [function] [call site] 00315
8 oidc_cache_mutex_unlock [function] [call site] 00316
9 apr_global_mutex_unlock [call site] 00317
9 apr_thread_mutex_unlock [call site] 00318
9 oidc_cache_status2str [function] [call site] 00319
9 apr_psprintf [call site] 00320
9 ap_log_error_ [function] [call site] 00321
8 apr_pool_destroy [call site] 00322
7 _oidc_metrics_shm_hdr [function] [call site] 00323
7 apr_time_now [call site] 00324
7 apr_atomic_set32 [call site] 00325
7 oidc_metrics_local_reset [function] [call site] 00326
7 oidc_cache_mutex_unlock [function] [call site] 00327
6 getpid [call site] 00328
4 fprintf [call site] 00329
4 exit [call site] 00330
4 oidc_cfg_dir_post_config [function] [call site] 00331
5 apr_array_make [call site] 00332
5 oidc_cfg_dir_parse_pass_userinfo_as [function] [call site] 00333
6 _oidc_strstr [function] [call site] 00334
6 apr_pstrndup [call site] 00335
6 oidc_cfg_parse_option [function] [call site] 00336
7 oidc_cfg_parse_option_impl [function] [call site] 00337
8 oidc_cfg_parse_options_flatten [function] [call site] 00338
9 apr_psprintf [call site] 00339
9 apr_psprintf [call site] 00340
9 apr_psprintf [call site] 00341
8 apr_psprintf [call site] 00342
7 _oidc_strcmp [function] [call site] 00343
6 apr_palloc [call site] 00344
6 apr_pstrdup [call site] 00345
5 apr_array_push [call site] 00346
4 fprintf [call site] 00347
4 exit [call site] 00348
4 oidc_http_curl_pool_init [function] [call site] 00349
5 apr_thread_mutex_create [call site] 00350
5 apr_pool_cleanup_register [call site] 00351
5 oidc_http_curl_pool_cleanup [function] [call site] 00352
6 curl_easy_cleanup [call site] 00353
5 apr_pool_cleanup_null [call site] 00354
1 oidc_test_pool_get [function] [call site] 00355
1 apr_pool_create_ex [call site] 00356
1 apr_pstrmemdup [call site] 00357
1 oidc_util_base64url_decode [function] [call site] 00358
2 apr_pstrdup [call site] 00359
2 _oidc_strlen [function] [call site] 00360
2 apr_pstrcat [call site] 00361
2 apr_pstrcat [call site] 00362
2 oidc_util_base64_decode [function] [call site] 00363
3 apr_psprintf [call site] 00364
3 apr_base64_decode_len [call site] 00365
3 apr_palloc [call site] 00366
3 apr_base64_decode [call site] 00367
1 apr_pool_destroy [call site] 00368