Fuzz introspector: json_pointer_fuzzer
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
426 0 EP call site: 00000 json_tokener_parse

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 json_tokener_new_ex [function] [call site] 00001
2 calloc [call site] 00002
2 calloc [call site] 00003
2 printbuf_new [function] [call site] 00004
3 calloc [call site] 00005
2 json_tokener_reset [function] [call site] 00006
3 json_tokener_reset_level [function] [call site] 00007
4 json_object_put [function] [call site] 00008
5 _json_object_put_maybe_free [function] [call site] 00009
6 __assert_fail [call site] 00010
6 JC_OBJECT [function] [call site] 00011
6 lh_table_length [function] [call site] 00012
6 json_object_object_delete [function] [call site] 00013
7 JC_OBJECT [function] [call site] 00014
7 lh_table_free [function] [call site] 00015
7 json_object_generic_delete [function] [call site] 00016
8 printbuf_free [function] [call site] 00017
6 array_list_length [function] [call site] 00019
6 json_object_array_delete [function] [call site] 00020
7 array_list_free [function] [call site] 00022
7 json_object_generic_delete [function] [call site] 00023
6 json_object_string_delete [function] [call site] 00024
7 JC_STRING [function] [call site] 00025
7 JC_STRING [function] [call site] 00026
7 json_object_generic_delete [function] [call site] 00027
6 json_object_generic_delete [function] [call site] 00028
5 JC_OBJECT [function] [call site] 00029
5 lh_table_length [function] [call site] 00030
5 JC_OBJECT [function] [call site] 00031
5 array_list_length [function] [call site] 00033
5 lh_entry_v [function] [call site] 00034
5 lh_entry_set_val [function] [call site] 00035
5 array_list_get_idx [function] [call site] 00037
5 array_list_set_idx [function] [call site] 00039
5 __assert_fail [call site] 00040
5 _json_object_put_maybe_free [function] [call site] 00041
5 JC_OBJECT [function] [call site] 00042
5 lh_table_delete_entry_to_tail [function] [call site] 00043
6 lh_table_delete_entry [function] [call site] 00044
7 __assert_fail [call site] 00045
5 array_list_del_idx [function] [call site] 00047
5 __assert_fail [call site] 00048
5 _json_object_put_maybe_free [function] [call site] 00049
5 __assert_fail [call site] 00050
1 json_tokener_set_flags [function] [call site] 00051
1 json_tokener_parse_ex [function] [call site] 00052
2 uselocale [call site] 00053
2 strlen [call site] 00054
2 duplocale [call site] 00055
2 __errno_location [call site] 00056
2 newlocale [call site] 00057
2 freelocale [call site] 00058
2 uselocale [call site] 00059
2 json_tokener_validate_utf8 [function] [call site] 00060
2 is_ws_char [function] [call site] 00061
2 json_tokener_validate_utf8 [function] [call site] 00062
2 printbuf_reset [function] [call site] 00063
2 printbuf_memappend [function] [call site] 00064
3 __errno_location [call site] 00065
3 printbuf_extend [function] [call site] 00066
4 __errno_location [call site] 00067
4 realloc [call site] 00068
2 json_object_new_object [function] [call site] 00069
3 json_object_new [function] [call site] 00070
3 json_object_object_to_json_string [function] [call site] 00071
4 printbuf_memappend [function] [call site] 00072
4 json_object_get_object [function] [call site] 00073
5 JC_OBJECT_C [function] [call site] 00074
4 lh_table_head [function] [call site] 00075
4 lh_entry_k [function] [call site] 00076
4 lh_entry_v [function] [call site] 00077
4 printbuf_memappend [function] [call site] 00078
4 printbuf_memappend [function] [call site] 00079
4 printbuf_memappend [function] [call site] 00080
4 indent [function] [call site] 00081
5 printbuf_memset [function] [call site] 00082
6 __errno_location [call site] 00083
6 printbuf_extend [function] [call site] 00084
5 printbuf_memset [function] [call site] 00085
4 printbuf_memappend [function] [call site] 00086
4 printbuf_memappend [function] [call site] 00087
4 strlen [call site] 00088
4 json_escape_str [function] [call site] 00089
5 printbuf_memappend [function] [call site] 00090
5 printbuf_memappend [function] [call site] 00091
5 printbuf_memappend [function] [call site] 00092
5 snprintf [call site] 00093
5 printbuf_memappend [function] [call site] 00094
5 printbuf_memappend [function] [call site] 00095
4 printbuf_memappend [function] [call site] 00096
4 printbuf_memappend [function] [call site] 00097
4 printbuf_memappend [function] [call site] 00098
4 printbuf_memappend [function] [call site] 00099
4 printbuf_memappend [function] [call site] 00100
4 printbuf_memappend [function] [call site] 00101
4 printbuf_memappend [function] [call site] 00102
4 lh_entry_next [function] [call site] 00103
4 printbuf_memappend [function] [call site] 00104
4 printbuf_memappend [function] [call site] 00106
4 printbuf_memappend [function] [call site] 00107
3 lh_kchar_table_new [function] [call site] 00108
4 lh_table_new [function] [call site] 00109
5 __assert_fail [call site] 00110
5 calloc [call site] 00111
5 calloc [call site] 00112
4 lh_char_equal [function] [call site] 00113
5 strcmp [call site] 00114
3 json_object_lh_entry_free [function] [call site] 00115
4 lh_entry_v [function] [call site] 00116
4 lh_entry_k_is_constant [function] [call site] 00117
4 lh_entry_k [function] [call site] 00118
4 json_object_put [function] [call site] 00119
3 json_object_generic_delete [function] [call site] 00120
3 __errno_location [call site] 00121
2 json_object_new_array [function] [call site] 00122
3 json_object_new_array_ext [function] [call site] 00123
4 json_object_new [function] [call site] 00124
4 json_object_array_to_json_string [function] [call site] 00125
5 printbuf_memappend [function] [call site] 00126
5 json_object_array_length [function] [call site] 00127
6 json_object_get_type [function] [call site] 00128
6 __assert_fail [call site] 00129
6 JC_ARRAY_C [function] [call site] 00130
6 array_list_length [function] [call site] 00131
5 printbuf_memappend [function] [call site] 00132
5 printbuf_memappend [function] [call site] 00133
5 printbuf_memappend [function] [call site] 00134
5 json_object_array_get_idx [function] [call site] 00136
6 json_object_get_type [function] [call site] 00137
6 __assert_fail [call site] 00138
6 JC_ARRAY_C [function] [call site] 00139
6 array_list_get_idx [function] [call site] 00140
5 printbuf_memappend [function] [call site] 00141
5 printbuf_memappend [function] [call site] 00142
5 printbuf_memappend [function] [call site] 00143
5 printbuf_memappend [function] [call site] 00144
5 printbuf_memappend [function] [call site] 00146
5 printbuf_memappend [function] [call site] 00147
4 array_list_new2 [function] [call site] 00148
4 json_object_array_entry_free [function] [call site] 00149
5 json_object_put [function] [call site] 00150
2 printbuf_reset [function] [call site] 00151
2 printbuf_reset [function] [call site] 00152
2 printbuf_reset [function] [call site] 00153
2 printbuf_reset [function] [call site] 00154
2 printbuf_reset [function] [call site] 00155
2 json_object_get [function] [call site] 00156
3 __assert_fail [call site] 00157
2 json_tokener_reset_level [function] [call site] 00158
2 json_tokener_validate_utf8 [function] [call site] 00159
2 json_object_new_double [function] [call site] 00160
3 json_object_new [function] [call site] 00161
3 json_object_double_to_json_string [function] [call site] 00162
4 json_object_double_to_json_string_format [function] [call site] 00163
5 JC_DOUBLE [function] [call site] 00164
5 snprintf [call site] 00165
5 snprintf [call site] 00166
5 snprintf [call site] 00167
5 snprintf [call site] 00168
5 strchr [call site] 00169
5 strchr [call site] 00170
5 strstr [call site] 00171
5 strchr [call site] 00172
5 strcat [call site] 00173
5 printbuf_memappend [function] [call site] 00174
2 printbuf_memappend [function] [call site] 00175
2 strncasecmp [call site] 00176
2 strncmp [call site] 00177
2 strncasecmp [call site] 00178
2 strncmp [call site] 00179
2 json_object_new_double [function] [call site] 00180
2 printbuf_memappend [function] [call site] 00181
2 json_tokener_validate_utf8 [function] [call site] 00182
2 printbuf_memappend [function] [call site] 00183
2 printbuf_memappend [function] [call site] 00184
2 json_tokener_validate_utf8 [function] [call site] 00185
2 printbuf_memappend [function] [call site] 00186
2 printbuf_memappend [function] [call site] 00187
2 printbuf_memappend [function] [call site] 00188
2 json_object_new_string_len [function] [call site] 00189
3 _json_object_new_string [function] [call site] 00190
4 json_object_new [function] [call site] 00191
4 json_object_string_to_json_string [function] [call site] 00192
5 JC_STRING [function] [call site] 00193
5 printbuf_memappend [function] [call site] 00194
5 printbuf_memappend [function] [call site] 00195
5 get_string_component [function] [call site] 00196
6 get_string_component_mutable [function] [call site] 00197
7 JC_STRING_C [function] [call site] 00198
7 JC_STRING [function] [call site] 00199
7 JC_STRING [function] [call site] 00200
5 json_escape_str [function] [call site] 00201
5 printbuf_memappend [function] [call site] 00202
5 printbuf_memappend [function] [call site] 00203
2 printbuf_memappend [function] [call site] 00204
2 json_tokener_validate_utf8 [function] [call site] 00205
2 printbuf_memappend [function] [call site] 00206
2 printbuf_memappend [function] [call site] 00207
2 printbuf_memappend [function] [call site] 00208
2 printbuf_memappend [function] [call site] 00209
2 printbuf_memappend [function] [call site] 00210
2 printbuf_memappend [function] [call site] 00211
2 printbuf_memappend [function] [call site] 00212
2 is_hex_char [function] [call site] 00213
2 json_tokener_validate_utf8 [function] [call site] 00214
2 printbuf_memappend [function] [call site] 00215
2 printbuf_memappend [function] [call site] 00216
2 printbuf_memappend [function] [call site] 00217
2 printbuf_memappend [function] [call site] 00218
2 printbuf_memappend [function] [call site] 00219
2 printbuf_memappend [function] [call site] 00220
2 printbuf_memappend [function] [call site] 00221
2 printbuf_memappend [function] [call site] 00222
2 printbuf_memappend [function] [call site] 00223
2 printbuf_memappend [function] [call site] 00224
2 strncasecmp [call site] 00225
2 strncmp [call site] 00226
2 json_object_new_boolean [function] [call site] 00227
3 json_object_new [function] [call site] 00228
3 json_object_boolean_to_json_string [function] [call site] 00229
4 printbuf_memappend [function] [call site] 00230
4 printbuf_memappend [function] [call site] 00232
4 printbuf_memappend [function] [call site] 00233
4 printbuf_memappend [function] [call site] 00234
2 strncasecmp [call site] 00235
2 strncmp [call site] 00236
2 json_object_new_boolean [function] [call site] 00237
2 strchr [call site] 00238
2 strchr [call site] 00239
2 json_tokener_validate_utf8 [function] [call site] 00240
2 printbuf_memappend [function] [call site] 00241
2 is_ws_char [function] [call site] 00242
2 printbuf_memappend [function] [call site] 00243
2 json_parse_int64 [function] [call site] 00244
3 __errno_location [call site] 00245
3 strtoll [call site] 00246
3 __errno_location [call site] 00247
3 __errno_location [call site] 00248
2 __errno_location [call site] 00249
2 json_object_new_int64 [function] [call site] 00250
3 json_object_new [function] [call site] 00251
3 json_object_int_to_json_string [function] [call site] 00252
4 snprintf [call site] 00255
4 snprintf [call site] 00257
4 strlen [call site] 00258
4 printbuf_memappend [function] [call site] 00259
2 json_parse_uint64 [function] [call site] 00260
3 __errno_location [call site] 00261
3 strtoull [call site] 00262
3 __errno_location [call site] 00263
3 __errno_location [call site] 00264
2 __errno_location [call site] 00265
2 json_object_new_int64 [function] [call site] 00266
2 json_object_new_uint64 [function] [call site] 00267
3 json_object_new [function] [call site] 00268
3 json_object_int_to_json_string [function] [call site] 00269
2 json_tokener_parse_double [function] [call site] 00270
3 strtod [call site] 00271
2 json_object_new_double_s [function] [call site] 00272
3 json_object_new_double [function] [call site] 00273
3 strdup [call site] 00274
3 json_object_generic_delete [function] [call site] 00275
3 __errno_location [call site] 00276
3 json_object_set_serializer [function] [call site] 00277
4 json_object_set_userdata [function] [call site] 00278
5 __assert_fail [call site] 00279
3 _json_object_userdata_to_json_string [function] [call site] 00280
4 json_object_userdata_to_json_string [function] [call site] 00281
5 strlen [call site] 00282
5 printbuf_memappend [function] [call site] 00283
3 json_object_free_userdata [function] [call site] 00284
2 json_object_array_shrink [function] [call site] 00285
3 json_object_get_type [function] [call site] 00286
3 __assert_fail [call site] 00287
3 json_abort [function] [call site] 00288
4 fprintf [call site] 00289
4 abort [call site] 00290
3 array_list_shrink [function] [call site] 00292
4 array_list_expand_internal [function] [call site] 00293
5 realloc [call site] 00294
4 realloc [call site] 00295
2 json_tokener_reset_level [function] [call site] 00296
2 json_object_array_add [function] [call site] 00297
3 json_object_get_type [function] [call site] 00298
3 __assert_fail [call site] 00299
3 array_list_add [function] [call site] 00301
4 array_list_expand_internal [function] [call site] 00302
2 json_object_array_shrink [function] [call site] 00303
2 printbuf_reset [function] [call site] 00304
2 printbuf_memappend [function] [call site] 00305
2 strdup [call site] 00306
2 printbuf_memappend [function] [call site] 00307
2 json_tokener_validate_utf8 [function] [call site] 00308
2 printbuf_memappend [function] [call site] 00309
2 json_tokener_reset_level [function] [call site] 00310
2 json_object_object_add [function] [call site] 00311
3 json_object_object_add_ex [function] [call site] 00312
4 json_object_get_type [function] [call site] 00313
4 __assert_fail [call site] 00314
4 JC_OBJECT [function] [call site] 00315
4 lh_get_hash [function] [call site] 00316
4 JC_OBJECT [function] [call site] 00317
4 lh_table_lookup_entry_w_hash [function] [call site] 00318
4 strdup [call site] 00319
4 JC_OBJECT [function] [call site] 00320
4 lh_table_insert_w_hash [function] [call site] 00321
5 lh_table_resize [function] [call site] 00322
6 lh_table_new [function] [call site] 00323
6 lh_get_hash [function] [call site] 00324
6 lh_table_insert_w_hash [function] [call site] 00325
6 lh_table_free [function] [call site] 00326
4 lh_entry_v [function] [call site] 00327
4 json_object_put [function] [call site] 00328
4 lh_entry_set_val [function] [call site] 00329
2 uselocale [call site] 00330
2 freelocale [call site] 00331
2 json_object_get [function] [call site] 00332
2 json_tokener_reset_level [function] [call site] 00333
1 json_tokener_parse [function] [call site] 00334
2 json_tokener_parse_verbose [function] [call site] 00335
3 json_tokener_new [function] [call site] 00336
4 json_tokener_new_ex [function] [call site] 00337
3 json_tokener_parse_ex [function] [call site] 00338
3 json_object_put [function] [call site] 00339
3 json_tokener_free [function] [call site] 00340
4 json_tokener_reset [function] [call site] 00341
4 printbuf_free [function] [call site] 00342
1 json_object_new_object [function] [call site] 00343
1 json_pointer_getf [function] [call site] 00344
2 __errno_location [call site] 00345
2 vasprintf [call site] 00346
2 json_pointer_object_get_recursive [function] [call site] 00347
3 json_pointer_result_get_recursive [function] [call site] 00348
4 __errno_location [call site] 00349
4 strchr [call site] 00350
4 json_pointer_get_single_path [function] [call site] 00351
5 json_object_is_type [function] [call site] 00352
5 is_valid_index [function] [call site] 00353
6 strlen [call site] 00354
6 __errno_location [call site] 00355
6 __errno_location [call site] 00356
6 __errno_location [call site] 00357
6 __errno_location [call site] 00358
6 strtoull [call site] 00359
5 json_object_array_length [function] [call site] 00360
5 __errno_location [call site] 00361
5 json_object_array_get_idx [function] [call site] 00362
5 __errno_location [call site] 00363
5 string_replace_all_occurrences_with_char [function] [call site] 00364
6 strlen [call site] 00365
6 strlen [call site] 00366
6 strstr [call site] 00367
5 string_replace_all_occurrences_with_char [function] [call site] 00368
5 json_object_object_get_ex [function] [call site] 00369
6 JC_OBJECT_C [function] [call site] 00370
6 lh_table_lookup_ex [function] [call site] 00371
7 lh_table_lookup_entry [function] [call site] 00372
8 lh_get_hash [function] [call site] 00373
8 lh_table_lookup_entry_w_hash [function] [call site] 00374
7 lh_entry_v [function] [call site] 00375
5 __errno_location [call site] 00376
4 json_pointer_result_get_recursive [function] [call site] 00377
5 json_object_is_type [function] [call site] 00378
1 json_pointer_setf [function] [call site] 00379
2 __errno_location [call site] 00380
2 vasprintf [call site] 00381
2 json_object_put [function] [call site] 00382
2 __errno_location [call site] 00383
2 strrchr [call site] 00384
2 json_pointer_object_get_recursive [function] [call site] 00385
2 json_pointer_set_single_path [function] [call site] 00386
3 json_object_is_type [function] [call site] 00387
3 json_object_array_add [function] [call site] 00388
3 is_valid_index [function] [call site] 00389
3 json_object_is_type [function] [call site] 00390
3 strdup [call site] 00391
3 string_replace_all_occurrences_with_char [function] [call site] 00392
3 string_replace_all_occurrences_with_char [function] [call site] 00393
3 json_object_object_add [function] [call site] 00394
3 __errno_location [call site] 00395
2 default_put_cb [function] [call site] 00396
3 json_object_array_put_idx [function] [call site] 00397
4 json_object_get_type [function] [call site] 00398
4 __assert_fail [call site] 00399
4 array_list_put_idx [function] [call site] 00401
5 array_list_expand_internal [function] [call site] 00402
3 json_object_object_add [function] [call site] 00403
1 json_object_put [function] [call site] 00404
1 json_pointer_get [function] [call site] 00405
2 json_pointer_get_internal [function] [call site] 00406
3 __errno_location [call site] 00407
3 strdup [call site] 00408
3 __errno_location [call site] 00409
3 json_pointer_result_get_recursive [function] [call site] 00410
3 json_object_is_type [function] [call site] 00411
1 json_pointer_set [function] [call site] 00412
2 json_pointer_set_with_cb [function] [call site] 00413
3 __errno_location [call site] 00414
3 json_object_put [function] [call site] 00415
3 __errno_location [call site] 00416
3 strrchr [call site] 00417
3 json_pointer_set_single_path [function] [call site] 00418
3 strdup [call site] 00419
3 __errno_location [call site] 00420
3 json_pointer_object_get_recursive [function] [call site] 00421
3 json_pointer_set_single_path [function] [call site] 00422
2 default_put_cb [function] [call site] 00423
1 json_object_put [function] [call site] 00424
1 json_object_put [function] [call site] 00425
1 json_tokener_free [function] [call site] 00426