Fuzz introspector: jansson/test/ossfuzz/json_load_dump_fuzzer.cc
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
463 0 EP call site: 00000 json_loadb

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FUZZ_DEBUG [function] [call site] 00002
1 FUZZ_DEBUG [function] [call site] 00003
1 FUZZ_DEBUG [function] [call site] 00004
1 FUZZ_DEBUG [function] [call site] 00005
1 reinterpret_cast<const [call site] 00006
1 json_loadb [function] [call site] 00007
2 jsonp_error_init [function] [call site] 00008
3 jsonp_error_set_source [function] [call site] 00009
2 error_set [function] [call site] 00014
3 vsnprintf [function] [call site] 00016
3 strbuffer_value [function] [call site] 00018
3 jsonp_error_set [function] [call site] 00021
4 jsonp_error_vset [function] [call site] 00023
5 vsnprintf [function] [call site] 00024
2 lex_init [function] [call site] 00026
3 stream_init [function] [call site] 00027
3 strbuffer_init [function] [call site] 00028
4 jsonp_malloc [function] [call site] 00029
2 parse_json [function] [call site] 00030
3 lex_scan [function] [call site] 00031
4 strbuffer_clear [function] [call site] 00032
4 lex_free_string [function] [call site] 00033
5 jsonp_free [function] [call site] 00034
4 lex_get [function] [call site] 00035
5 stream_get [function] [call site] 00036
6 oidc_test_authz_provider_get [function] [call site] 00037
6 utf8_check_first [function] [call site] 00038
6 oidc_test_authz_provider_get [function] [call site] 00040
6 utf8_check_full [function] [call site] 00041
6 utf8_check_first [function] [call site] 00042
6 error_set [function] [call site] 00043
6 stream_to_lex [function] [call site] 00044
4 lex_save [function] [call site] 00045
5 strbuffer_append_byte [function] [call site] 00046
6 strbuffer_append_bytes [function] [call site] 00047
4 lex_scan_string [function] [call site] 00052
5 lex_get_save [function] [call site] 00053
5 error_set [function] [call site] 00056
5 lex_unget_unsave [function] [call site] 00057
6 stream_unget [function] [call site] 00058
7 utf8_check_first [function] [call site] 00059
6 strbuffer_pop [function] [call site] 00062
5 error_set [function] [call site] 00064
5 error_set [function] [call site] 00065
5 lex_get_save [function] [call site] 00066
5 lex_get_save [function] [call site] 00067
5 l_isxdigit [function] [call site] 00068
5 error_set [function] [call site] 00069
5 lex_get_save [function] [call site] 00070
5 lex_get_save [function] [call site] 00071
5 error_set [function] [call site] 00072
5 lex_get_save [function] [call site] 00073
5 jsonp_malloc [function] [call site] 00074
5 strbuffer_value [function] [call site] 00075
5 decode_unicode_escape [function] [call site] 00076
5 error_set [function] [call site] 00081
5 decode_unicode_escape [function] [call site] 00082
5 error_set [function] [call site] 00083
5 error_set [function] [call site] 00084
5 error_set [function] [call site] 00085
5 error_set [function] [call site] 00086
5 utf8_encode [function] [call site] 00087
5 lex_free_string [function] [call site] 00090
4 l_isdigit [function] [call site] 00091
4 lex_scan_number [function] [call site] 00092
5 lex_get_save [function] [call site] 00093
5 lex_get_save [function] [call site] 00094
5 l_isdigit [function] [call site] 00095
5 lex_unget_unsave [function] [call site] 00096
5 l_isdigit [function] [call site] 00097
5 lex_get_save [function] [call site] 00098
5 l_isdigit [function] [call site] 00099
5 lex_unget_unsave [function] [call site] 00100
5 lex_unget_unsave [function] [call site] 00101
5 strbuffer_value [function] [call site] 00102
5 json_strtoint [function] [call site] 00103
5 error_set [function] [call site] 00104
5 error_set [function] [call site] 00105
5 l_isdigit [function] [call site] 00108
5 lex_unget [function] [call site] 00109
6 stream_unget [function] [call site] 00110
5 lex_get_save [function] [call site] 00112
5 l_isdigit [function] [call site] 00113
5 lex_get_save [function] [call site] 00114
5 lex_get_save [function] [call site] 00115
5 l_isdigit [function] [call site] 00116
5 lex_unget_unsave [function] [call site] 00117
5 lex_get_save [function] [call site] 00118
5 l_isdigit [function] [call site] 00119
5 lex_unget_unsave [function] [call site] 00120
5 error_set [function] [call site] 00128
4 l_isalpha [function] [call site] 00129
4 lex_get_save [function] [call site] 00130
4 l_isalpha [function] [call site] 00131
4 lex_unget_unsave [function] [call site] 00132
4 strbuffer_value [function] [call site] 00133
4 lex_save_cached [function] [call site] 00137
3 error_set [function] [call site] 00139
3 parse_value [function] [call site] 00140
4 error_set [function] [call site] 00141
4 error_set [function] [call site] 00143
4 jsonp_stringn_nocheck_own [function] [call site] 00144
5 string_create [function] [call site] 00145
6 jsonp_strndup [function] [call site] 00146
6 jsonp_malloc [function] [call site] 00149
6 jsonp_free [function] [call site] 00150
6 json_init [function] [call site] 00151
4 json_integer [function] [call site] 00152
5 jsonp_malloc [function] [call site] 00153
5 json_init [function] [call site] 00154
4 json_true [function] [call site] 00162
4 json_false [function] [call site] 00163
4 json_null [function] [call site] 00164
4 parse_object [function] [call site] 00165
5 json_object [function] [call site] 00166
6 jsonp_malloc [function] [call site] 00167
6 json_object_seed [function] [call site] 00168
7 __atomic_test_and_set [function] [call site] 00169
7 generate_seed [function] [call site] 00170
8 seed_from_windows_cryptoapi [function] [call site] 00179
9 GetModuleHandle [function] [call site] 00180
9 GetProcAddress [function] [call site] 00182
9 GetProcAddress [function] [call site] 00183
9 GetProcAddress [function] [call site] 00184
9 pCryptAcquireContext [function] [call site] 00185
9 pCryptGenRandom [function] [call site] 00186
9 pCryptReleaseContext [function] [call site] 00187
9 buf_to_uint32 [function] [call site] 00188
8 seed_from_timestamp_and_pid [function] [call site] 00189
9 gettimeofday [function] [call site] 00190
9 GetCurrentProcessId [function] [call site] 00192
7 __atomic_store_n [function] [call site] 00194
7 sched_yield [function] [call site] 00195
7 __atomic_load_n [function] [call site] 00196
6 json_init [function] [call site] 00197
6 hashtable_init [function] [call site] 00198
6 jsonp_free [function] [call site] 00204
5 error_set [function] [call site] 00206
5 lex_steal_string [function] [call site] 00207
5 jsonp_free [function] [call site] 00209
5 error_set [function] [call site] 00210
5 json_object_getn [function] [call site] 00211
6 json_is_object [function] [call site] 00212
6 json_to_object [function] [call site] 00213
6 hashtable_get [function] [call site] 00214
7 hashtable_find_pair [function] [call site] 00217
8 bucket_is_empty [function] [call site] 00218
8 list_to_pair [function] [call site] 00219
5 jsonp_free [function] [call site] 00221
5 error_set [function] [call site] 00222
5 jsonp_free [function] [call site] 00224
5 error_set [function] [call site] 00225
5 parse_value [function] [call site] 00227
5 jsonp_free [function] [call site] 00228
5 json_object_setn_new_nocheck [function] [call site] 00229
6 json_is_object [function] [call site] 00230
6 json_decref [function] [call site] 00231
7 JSON_INTERNAL_DECREF [function] [call site] 00232
7 json_delete [function] [call site] 00233
8 json_typeof [function] [call site] 00234
8 json_delete_object [function] [call site] 00235
9 hashtable_close [function] [call site] 00236
10 hashtable_do_clear [function] [call site] 00237
11 list_to_pair [function] [call site] 00238
11 json_decref [function] [call site] 00239
11 jsonp_free [function] [call site] 00240
10 jsonp_free [function] [call site] 00241
9 jsonp_free [function] [call site] 00242
8 json_to_object [function] [call site] 00243
8 json_delete_array [function] [call site] 00244
9 json_decref [function] [call site] 00245
9 jsonp_free [function] [call site] 00246
9 jsonp_free [function] [call site] 00247
8 json_to_array [function] [call site] 00248
8 json_delete_string [function] [call site] 00249
9 jsonp_free [function] [call site] 00250
9 jsonp_free [function] [call site] 00251
8 json_to_string [function] [call site] 00252
8 json_delete_integer [function] [call site] 00253
9 jsonp_free [function] [call site] 00254
8 json_to_integer [function] [call site] 00255
8 json_delete_real [function] [call site] 00256
9 jsonp_free [function] [call site] 00257
8 json_to_real [function] [call site] 00258
6 json_to_object [function] [call site] 00259
6 hashtable_set [function] [call site] 00260
7 hashtable_do_rehash [function] [call site] 00262
8 jsonp_malloc [function] [call site] 00264
8 jsonp_free [function] [call site] 00265
8 list_init [function] [call site] 00266
8 list_to_pair [function] [call site] 00267
8 insert_to_bucket [function] [call site] 00268
9 bucket_is_empty [function] [call site] 00269
9 list_insert [function] [call site] 00270
9 list_insert [function] [call site] 00271
7 hashtable_find_pair [function] [call site] 00274
7 json_decref [function] [call site] 00275
7 insert_to_bucket [function] [call site] 00281
7 list_insert [function] [call site] 00282
6 json_decref [function] [call site] 00283
5 jsonp_free [function] [call site] 00284
5 jsonp_free [function] [call site] 00285
5 error_set [function] [call site] 00288
5 json_decref [function] [call site] 00289
4 parse_array [function] [call site] 00290
5 json_array [function] [call site] 00291
6 jsonp_malloc [function] [call site] 00292
6 json_init [function] [call site] 00293
6 jsonp_malloc [function] [call site] 00294
6 jsonp_free [function] [call site] 00295
5 parse_value [function] [call site] 00297
5 json_array_append_new [function] [call site] 00298
6 json_is_array [function] [call site] 00299
6 json_decref [function] [call site] 00300
6 json_to_array [function] [call site] 00301
6 json_array_grow [function] [call site] 00302
6 json_decref [function] [call site] 00305
5 error_set [function] [call site] 00308
5 json_decref [function] [call site] 00309
4 error_set [function] [call site] 00310
4 error_set [function] [call site] 00311
3 error_set [function] [call site] 00313
3 json_decref [function] [call site] 00314
2 lex_close [function] [call site] 00315
3 lex_free_string [function] [call site] 00316
3 strbuffer_close [function] [call site] 00317
4 jsonp_free [function] [call site] 00318
1 json_dumps [function] [call site] 00319
2 strbuffer_init [function] [call site] 00320
2 json_dump_callback [function] [call site] 00321
3 json_is_array [function] [call site] 00322
3 json_is_object [function] [call site] 00323
3 hashtable_init [function] [call site] 00324
3 do_dump [function] [call site] 00325
4 json_typeof [function] [call site] 00326
4 json_integer_value [function] [call site] 00331
5 json_is_integer [function] [call site] 00332
5 json_to_integer [function] [call site] 00333
4 json_real_value [function] [call site] 00335
5 json_is_real [function] [call site] 00336
5 json_to_real [function] [call site] 00337
4 FLAGS_TO_PRECISION [function] [call site] 00350
4 json_string_value [function] [call site] 00362
5 json_is_string [function] [call site] 00363
5 json_to_string [function] [call site] 00364
4 json_string_length [function] [call site] 00365
5 json_is_string [function] [call site] 00366
5 json_to_string [function] [call site] 00367
4 jsonp_loop_check [function] [call site] 00368
5 hashtable_get [function] [call site] 00370
5 hashtable_set [function] [call site] 00371
5 json_null [function] [call site] 00372
4 json_array_size [function] [call site] 00373
5 json_is_array [function] [call site] 00374
5 json_to_array [function] [call site] 00375
4 hashtable_del [function] [call site] 00377
5 hashtable_do_del [function] [call site] 00379
6 hashtable_find_pair [function] [call site] 00381
6 list_remove [function] [call site] 00382
6 list_remove [function] [call site] 00383
6 json_decref [function] [call site] 00384
6 jsonp_free [function] [call site] 00385
4 json_array_get [function] [call site] 00394
5 json_is_array [function] [call site] 00395
5 json_to_array [function] [call site] 00396
4 dump_indent [function] [call site] 00398
4 json_array_get [function] [call site] 00400
4 dump_indent [function] [call site] 00401
4 hashtable_del [function] [call site] 00402
4 jsonp_loop_check [function] [call site] 00404
4 json_object_iter [function] [call site] 00406
5 json_is_object [function] [call site] 00407
5 json_to_object [function] [call site] 00408
5 hashtable_iter [function] [call site] 00409
6 hashtable_iter_next [function] [call site] 00410
4 hashtable_del [function] [call site] 00411
4 dump_indent [function] [call site] 00413
4 json_object_size [function] [call site] 00414
5 json_is_object [function] [call site] 00415
5 json_to_object [function] [call site] 00416
4 jsonp_malloc [function] [call site] 00417
4 json_object_iter_key [function] [call site] 00418
5 hashtable_iter_key [function] [call site] 00419
6 ordered_list_to_pair [function] [call site] 00420
4 json_object_iter_key_len [function] [call site] 00421
5 hashtable_iter_key_len [function] [call site] 00422
6 ordered_list_to_pair [function] [call site] 00423
4 json_object_iter_next [function] [call site] 00424
5 json_is_object [function] [call site] 00425
5 json_to_object [function] [call site] 00426
5 hashtable_iter_next [function] [call site] 00427
4 json_object_getn [function] [call site] 00430
4 dump_string [function] [call site] 00432
4 jsonp_free [function] [call site] 00435
4 dump_indent [function] [call site] 00437
4 jsonp_free [function] [call site] 00438
4 dump_indent [function] [call site] 00439
4 jsonp_free [function] [call site] 00440
4 jsonp_free [function] [call site] 00441
4 json_object_iter_next [function] [call site] 00442
4 json_object_iter_key [function] [call site] 00443
4 json_object_iter_key_len [function] [call site] 00444
4 dump_string [function] [call site] 00445
4 json_object_iter_value [function] [call site] 00448
5 hashtable_iter_value [function] [call site] 00449
6 ordered_list_to_pair [function] [call site] 00450
4 dump_indent [function] [call site] 00452
4 dump_indent [function] [call site] 00453
4 hashtable_del [function] [call site] 00454
3 hashtable_close [function] [call site] 00456
2 strbuffer_steal_value [function] [call site] 00457
2 jsonp_realloc [function] [call site] 00458
2 strbuffer_close [function] [call site] 00459
1 json_dump_callback [function] [call site] 00461
1 FUZZ_DEBUG [function] [call site] 00462
1 json_decref [function] [call site] 00463