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
399 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 __assert_fail [call site] 00009
5 json_object_object_delete [function] [call site] 00010
6 JC_OBJECT [function] [call site] 00011
6 lh_table_free [function] [call site] 00012
6 json_object_generic_delete [function] [call site] 00013
7 printbuf_free [function] [call site] 00014
5 json_object_array_delete [function] [call site] 00015
6 array_list_free [function] [call site] 00017
6 json_object_generic_delete [function] [call site] 00018
5 json_object_string_delete [function] [call site] 00019
6 JC_STRING [function] [call site] 00020
6 JC_STRING [function] [call site] 00021
6 json_object_generic_delete [function] [call site] 00022
5 json_object_generic_delete [function] [call site] 00023
1 json_tokener_set_flags [function] [call site] 00024
1 json_tokener_parse_ex [function] [call site] 00025
2 uselocale [call site] 00026
2 strlen [call site] 00027
2 duplocale [call site] 00028
2 __errno_location [call site] 00029
2 newlocale [call site] 00030
2 freelocale [call site] 00031
2 uselocale [call site] 00032
2 json_tokener_validate_utf8 [function] [call site] 00033
2 is_ws_char [function] [call site] 00034
2 json_tokener_validate_utf8 [function] [call site] 00035
2 printbuf_reset [function] [call site] 00036
2 printbuf_memappend [function] [call site] 00037
3 __errno_location [call site] 00038
3 printbuf_extend [function] [call site] 00039
4 __errno_location [call site] 00040
4 realloc [call site] 00041
2 json_object_new_object [function] [call site] 00042
3 json_object_new [function] [call site] 00043
3 json_object_object_to_json_string [function] [call site] 00044
4 printbuf_memappend [function] [call site] 00045
4 json_object_get_object [function] [call site] 00046
5 JC_OBJECT_C [function] [call site] 00047
4 lh_table_head [function] [call site] 00048
4 lh_entry_k [function] [call site] 00049
4 lh_entry_v [function] [call site] 00050
4 printbuf_memappend [function] [call site] 00051
4 printbuf_memappend [function] [call site] 00052
4 printbuf_memappend [function] [call site] 00053
4 indent [function] [call site] 00054
5 printbuf_memset [function] [call site] 00055
6 __errno_location [call site] 00056
6 printbuf_extend [function] [call site] 00057
5 printbuf_memset [function] [call site] 00058
4 printbuf_memappend [function] [call site] 00059
4 printbuf_memappend [function] [call site] 00060
4 strlen [call site] 00061
4 json_escape_str [function] [call site] 00062
5 printbuf_memappend [function] [call site] 00063
5 printbuf_memappend [function] [call site] 00064
5 printbuf_memappend [function] [call site] 00065
5 printbuf_memappend [function] [call site] 00066
5 printbuf_memappend [function] [call site] 00067
5 printbuf_memappend [function] [call site] 00068
5 printbuf_memappend [function] [call site] 00069
5 printbuf_memappend [function] [call site] 00070
5 printbuf_memappend [function] [call site] 00071
5 printbuf_memappend [function] [call site] 00072
5 snprintf [call site] 00073
5 printbuf_memappend [function] [call site] 00074
5 printbuf_memappend [function] [call site] 00075
4 printbuf_memappend [function] [call site] 00076
4 printbuf_memappend [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 printbuf_memappend [function] [call site] 00081
4 printbuf_memappend [function] [call site] 00082
4 lh_entry_next [function] [call site] 00083
4 printbuf_memappend [function] [call site] 00084
4 printbuf_memappend [function] [call site] 00086
4 printbuf_memappend [function] [call site] 00087
3 lh_kchar_table_new [function] [call site] 00088
4 lh_table_new [function] [call site] 00089
5 __assert_fail [call site] 00090
5 calloc [call site] 00091
5 calloc [call site] 00092
4 lh_char_equal [function] [call site] 00093
5 strcmp [call site] 00094
3 json_object_lh_entry_free [function] [call site] 00095
4 lh_entry_k_is_constant [function] [call site] 00096
4 lh_entry_k [function] [call site] 00097
4 lh_entry_v [function] [call site] 00098
4 json_object_put [function] [call site] 00099
3 json_object_generic_delete [function] [call site] 00100
3 __errno_location [call site] 00101
2 json_object_new_array [function] [call site] 00102
3 json_object_new_array_ext [function] [call site] 00103
4 json_object_new [function] [call site] 00104
4 json_object_array_to_json_string [function] [call site] 00105
5 printbuf_memappend [function] [call site] 00106
5 json_object_array_length [function] [call site] 00107
6 json_object_get_type [function] [call site] 00108
6 __assert_fail [call site] 00109
6 JC_ARRAY_C [function] [call site] 00110
6 array_list_length [function] [call site] 00111
5 printbuf_memappend [function] [call site] 00112
5 printbuf_memappend [function] [call site] 00113
5 printbuf_memappend [function] [call site] 00114
5 json_object_array_get_idx [function] [call site] 00116
6 json_object_get_type [function] [call site] 00117
6 __assert_fail [call site] 00118
6 JC_ARRAY_C [function] [call site] 00119
6 array_list_get_idx [function] [call site] 00120
5 printbuf_memappend [function] [call site] 00121
5 printbuf_memappend [function] [call site] 00122
5 printbuf_memappend [function] [call site] 00123
5 printbuf_memappend [function] [call site] 00124
5 printbuf_memappend [function] [call site] 00126
5 printbuf_memappend [function] [call site] 00127
4 array_list_new2 [function] [call site] 00128
4 json_object_array_entry_free [function] [call site] 00129
5 json_object_put [function] [call site] 00130
2 printbuf_reset [function] [call site] 00131
2 printbuf_reset [function] [call site] 00132
2 printbuf_reset [function] [call site] 00133
2 printbuf_reset [function] [call site] 00134
2 printbuf_reset [function] [call site] 00135
2 json_object_get [function] [call site] 00136
3 __assert_fail [call site] 00137
2 json_tokener_reset_level [function] [call site] 00138
2 json_tokener_validate_utf8 [function] [call site] 00139
2 json_object_new_double [function] [call site] 00140
3 json_object_new [function] [call site] 00141
3 json_object_double_to_json_string [function] [call site] 00142
4 json_object_double_to_json_string_format [function] [call site] 00143
5 JC_DOUBLE [function] [call site] 00144
5 snprintf [call site] 00145
5 snprintf [call site] 00146
5 snprintf [call site] 00147
5 snprintf [call site] 00148
5 strchr [call site] 00149
5 strchr [call site] 00150
5 strstr [call site] 00151
5 strchr [call site] 00152
5 strcat [call site] 00153
5 printbuf_memappend [function] [call site] 00154
2 printbuf_memappend [function] [call site] 00155
2 strncasecmp [call site] 00156
2 strncmp [call site] 00157
2 strncasecmp [call site] 00158
2 strncmp [call site] 00159
2 json_object_new_double [function] [call site] 00160
2 printbuf_memappend [function] [call site] 00161
2 json_tokener_validate_utf8 [function] [call site] 00162
2 printbuf_memappend [function] [call site] 00163
2 printbuf_memappend [function] [call site] 00164
2 json_tokener_validate_utf8 [function] [call site] 00165
2 printbuf_memappend [function] [call site] 00166
2 printbuf_memappend [function] [call site] 00167
2 printbuf_memappend [function] [call site] 00168
2 printbuf_memappend [function] [call site] 00169
2 json_object_new_string_len [function] [call site] 00170
3 _json_object_new_string [function] [call site] 00171
4 json_object_new [function] [call site] 00172
4 json_object_string_to_json_string [function] [call site] 00173
5 JC_STRING [function] [call site] 00174
5 printbuf_memappend [function] [call site] 00175
5 printbuf_memappend [function] [call site] 00176
5 get_string_component [function] [call site] 00177
6 get_string_component_mutable [function] [call site] 00178
7 JC_STRING_C [function] [call site] 00179
7 JC_STRING [function] [call site] 00180
7 JC_STRING [function] [call site] 00181
5 json_escape_str [function] [call site] 00182
5 printbuf_memappend [function] [call site] 00183
5 printbuf_memappend [function] [call site] 00184
2 printbuf_memappend [function] [call site] 00185
2 json_tokener_validate_utf8 [function] [call site] 00186
2 printbuf_memappend [function] [call site] 00187
2 printbuf_memappend [function] [call site] 00188
2 printbuf_memappend [function] [call site] 00189
2 printbuf_memappend [function] [call site] 00190
2 printbuf_memappend [function] [call site] 00191
2 printbuf_memappend [function] [call site] 00192
2 printbuf_memappend [function] [call site] 00193
2 is_hex_char [function] [call site] 00194
2 json_tokener_validate_utf8 [function] [call site] 00195
2 printbuf_memappend [function] [call site] 00196
2 printbuf_memappend [function] [call site] 00197
2 printbuf_memappend [function] [call site] 00198
2 printbuf_memappend [function] [call site] 00199
2 printbuf_memappend [function] [call site] 00200
2 printbuf_memappend [function] [call site] 00201
2 printbuf_memappend [function] [call site] 00202
2 printbuf_memappend [function] [call site] 00203
2 printbuf_memappend [function] [call site] 00204
2 printbuf_memappend [function] [call site] 00205
2 strncasecmp [call site] 00206
2 strncmp [call site] 00207
2 json_object_new_boolean [function] [call site] 00208
3 json_object_new [function] [call site] 00209
3 json_object_boolean_to_json_string [function] [call site] 00210
4 printbuf_memappend [function] [call site] 00211
4 printbuf_memappend [function] [call site] 00213
4 printbuf_memappend [function] [call site] 00214
4 printbuf_memappend [function] [call site] 00215
2 strncasecmp [call site] 00216
2 strncmp [call site] 00217
2 json_object_new_boolean [function] [call site] 00218
2 strchr [call site] 00219
2 strchr [call site] 00220
2 json_tokener_validate_utf8 [function] [call site] 00221
2 printbuf_memappend [function] [call site] 00222
2 is_ws_char [function] [call site] 00223
2 printbuf_memappend [function] [call site] 00224
2 json_parse_int64 [function] [call site] 00225
3 __errno_location [call site] 00226
3 strtoll [call site] 00227
3 __errno_location [call site] 00228
3 __errno_location [call site] 00229
2 __errno_location [call site] 00230
2 json_object_new_int64 [function] [call site] 00231
3 json_object_new [function] [call site] 00232
3 json_object_int_to_json_string [function] [call site] 00233
4 snprintf [call site] 00236
4 snprintf [call site] 00238
4 strlen [call site] 00239
4 printbuf_memappend [function] [call site] 00240
2 json_parse_uint64 [function] [call site] 00241
3 __errno_location [call site] 00242
3 strtoull [call site] 00243
3 __errno_location [call site] 00244
3 __errno_location [call site] 00245
2 __errno_location [call site] 00246
2 json_object_new_int64 [function] [call site] 00247
2 json_object_new_uint64 [function] [call site] 00248
3 json_object_new [function] [call site] 00249
3 json_object_int_to_json_string [function] [call site] 00250
2 json_tokener_parse_double [function] [call site] 00251
3 strtod [call site] 00252
2 json_object_new_double_s [function] [call site] 00253
3 json_object_new_double [function] [call site] 00254
3 strdup [call site] 00255
3 json_object_generic_delete [function] [call site] 00256
3 __errno_location [call site] 00257
3 json_object_set_serializer [function] [call site] 00258
4 json_object_set_userdata [function] [call site] 00259
5 __assert_fail [call site] 00260
3 _json_object_userdata_to_json_string [function] [call site] 00261
4 json_object_userdata_to_json_string [function] [call site] 00262
5 strlen [call site] 00263
5 printbuf_memappend [function] [call site] 00264
3 json_object_free_userdata [function] [call site] 00265
2 json_object_array_shrink [function] [call site] 00266
3 json_abort [function] [call site] 00267
4 fprintf [call site] 00268
4 abort [call site] 00269
3 array_list_shrink [function] [call site] 00271
4 array_list_expand_internal [function] [call site] 00272
5 realloc [call site] 00273
4 realloc [call site] 00274
2 json_tokener_reset_level [function] [call site] 00275
2 json_object_array_add [function] [call site] 00276
3 json_object_get_type [function] [call site] 00277
3 __assert_fail [call site] 00278
3 array_list_add [function] [call site] 00280
4 array_list_expand_internal [function] [call site] 00281
2 json_object_array_shrink [function] [call site] 00282
2 printbuf_reset [function] [call site] 00283
2 printbuf_memappend [function] [call site] 00284
2 strdup [call site] 00285
2 printbuf_memappend [function] [call site] 00286
2 json_tokener_validate_utf8 [function] [call site] 00287
2 printbuf_memappend [function] [call site] 00288
2 json_tokener_reset_level [function] [call site] 00289
2 json_object_object_add [function] [call site] 00290
3 json_object_object_add_ex [function] [call site] 00291
4 json_object_get_type [function] [call site] 00292
4 __assert_fail [call site] 00293
4 JC_OBJECT [function] [call site] 00294
4 lh_get_hash [function] [call site] 00295
4 JC_OBJECT [function] [call site] 00296
4 lh_table_lookup_entry_w_hash [function] [call site] 00297
4 strdup [call site] 00298
4 JC_OBJECT [function] [call site] 00299
4 lh_table_insert_w_hash [function] [call site] 00300
5 lh_table_resize [function] [call site] 00301
6 lh_table_new [function] [call site] 00302
6 lh_get_hash [function] [call site] 00303
6 lh_table_insert_w_hash [function] [call site] 00304
6 lh_table_free [function] [call site] 00305
4 lh_entry_v [function] [call site] 00306
4 json_object_put [function] [call site] 00307
4 lh_entry_set_val [function] [call site] 00308
2 uselocale [call site] 00309
2 freelocale [call site] 00310
2 json_object_get [function] [call site] 00311
2 json_tokener_reset_level [function] [call site] 00312
1 json_tokener_parse [function] [call site] 00313
2 json_tokener_parse_verbose [function] [call site] 00314
3 json_tokener_new [function] [call site] 00315
4 json_tokener_new_ex [function] [call site] 00316
3 json_tokener_parse_ex [function] [call site] 00317
3 json_object_put [function] [call site] 00318
3 json_tokener_free [function] [call site] 00319
4 json_tokener_reset [function] [call site] 00320
4 printbuf_free [function] [call site] 00321
1 json_object_new_object [function] [call site] 00322
1 json_pointer_getf [function] [call site] 00323
2 vasprintf [call site] 00324
2 json_pointer_object_get_recursive [function] [call site] 00325
3 json_pointer_result_get_recursive [function] [call site] 00326
4 __errno_location [call site] 00327
4 strchr [call site] 00328
4 json_pointer_get_single_path [function] [call site] 00329
5 json_object_is_type [function] [call site] 00330
5 is_valid_index [function] [call site] 00331
6 strlen [call site] 00332
6 __errno_location [call site] 00333
6 __errno_location [call site] 00334
6 __errno_location [call site] 00335
6 strtoull [call site] 00336
5 json_object_array_length [function] [call site] 00337
5 __errno_location [call site] 00338
5 json_object_array_get_idx [function] [call site] 00339
5 __errno_location [call site] 00340
5 string_replace_all_occurrences_with_char [function] [call site] 00341
6 strlen [call site] 00342
6 strlen [call site] 00343
6 strstr [call site] 00344
5 string_replace_all_occurrences_with_char [function] [call site] 00345
5 json_object_object_get_ex [function] [call site] 00346
6 JC_OBJECT_C [function] [call site] 00347
6 lh_table_lookup_ex [function] [call site] 00348
7 lh_table_lookup_entry [function] [call site] 00349
8 lh_get_hash [function] [call site] 00350
8 lh_table_lookup_entry_w_hash [function] [call site] 00351
7 lh_entry_v [function] [call site] 00352
5 __errno_location [call site] 00353
4 json_pointer_result_get_recursive [function] [call site] 00354
5 json_object_is_type [function] [call site] 00355
1 json_pointer_setf [function] [call site] 00356
2 __errno_location [call site] 00357
2 vasprintf [call site] 00358
2 json_object_put [function] [call site] 00359
2 __errno_location [call site] 00360
2 strrchr [call site] 00361
2 json_pointer_object_get_recursive [function] [call site] 00362
2 json_pointer_set_single_path [function] [call site] 00363
3 json_object_is_type [function] [call site] 00364
3 json_object_array_add [function] [call site] 00365
3 is_valid_index [function] [call site] 00366
3 json_object_is_type [function] [call site] 00367
3 json_object_object_add [function] [call site] 00368
3 __errno_location [call site] 00369
2 json_object_array_put_idx_cb [function] [call site] 00370
3 json_object_array_put_idx [function] [call site] 00371
4 json_object_get_type [function] [call site] 00372
4 __assert_fail [call site] 00373
4 array_list_put_idx [function] [call site] 00375
5 array_list_expand_internal [function] [call site] 00376
1 json_object_put [function] [call site] 00377
1 json_pointer_get [function] [call site] 00378
2 json_pointer_get_internal [function] [call site] 00379
3 __errno_location [call site] 00380
3 strdup [call site] 00381
3 __errno_location [call site] 00382
3 json_pointer_result_get_recursive [function] [call site] 00383
3 json_object_is_type [function] [call site] 00384
1 json_pointer_set [function] [call site] 00385
2 json_pointer_set_with_array_cb [function] [call site] 00386
3 __errno_location [call site] 00387
3 json_object_put [function] [call site] 00388
3 __errno_location [call site] 00389
3 strrchr [call site] 00390
3 json_pointer_set_single_path [function] [call site] 00391
3 strdup [call site] 00392
3 __errno_location [call site] 00393
3 json_pointer_object_get_recursive [function] [call site] 00394
3 json_pointer_set_single_path [function] [call site] 00395
2 json_object_array_put_idx_cb [function] [call site] 00396
1 json_object_put [function] [call site] 00397
1 json_object_put [function] [call site] 00398
1 json_tokener_free [function] [call site] 00399