Fuzz introspector: json_array_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
369 0 EP call site: 00000 json_tokener_parse

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 json_object_new_array [function] [call site] 00001
2 json_object_new_array_ext [function] [call site] 00002
3 json_object_new [function] [call site] 00003
3 json_object_array_to_json_string [function] [call site] 00004
4 printbuf_memappend [function] [call site] 00005
5 __errno_location [call site] 00006
5 printbuf_extend [function] [call site] 00007
6 __errno_location [call site] 00008
6 realloc [call site] 00009
4 json_object_array_length [function] [call site] 00010
5 json_object_get_type [function] [call site] 00011
5 __assert_fail [call site] 00012
5 JC_ARRAY_C [function] [call site] 00013
5 array_list_length [function] [call site] 00014
4 printbuf_memappend [function] [call site] 00015
4 printbuf_memappend [function] [call site] 00016
4 printbuf_memappend [function] [call site] 00017
4 indent [function] [call site] 00018
5 printbuf_memset [function] [call site] 00019
6 __errno_location [call site] 00020
6 printbuf_extend [function] [call site] 00021
5 printbuf_memset [function] [call site] 00022
4 json_object_array_get_idx [function] [call site] 00023
5 json_object_get_type [function] [call site] 00024
5 __assert_fail [call site] 00025
5 JC_ARRAY_C [function] [call site] 00026
5 array_list_get_idx [function] [call site] 00027
4 printbuf_memappend [function] [call site] 00028
4 printbuf_memappend [function] [call site] 00029
4 printbuf_memappend [function] [call site] 00030
4 printbuf_memappend [function] [call site] 00031
4 indent [function] [call site] 00032
4 printbuf_memappend [function] [call site] 00033
4 printbuf_memappend [function] [call site] 00034
3 array_list_new2 [function] [call site] 00035
3 json_object_array_entry_free [function] [call site] 00036
4 json_object_put [function] [call site] 00037
5 _json_object_put_maybe_free [function] [call site] 00038
6 __assert_fail [call site] 00039
6 JC_OBJECT [function] [call site] 00040
6 lh_table_length [function] [call site] 00041
6 json_object_object_delete [function] [call site] 00042
7 JC_OBJECT [function] [call site] 00043
7 lh_table_free [function] [call site] 00044
7 json_object_generic_delete [function] [call site] 00045
8 printbuf_free [function] [call site] 00046
6 JC_ARRAY [function] [call site] 00047
6 array_list_length [function] [call site] 00048
6 json_object_array_delete [function] [call site] 00049
7 JC_ARRAY [function] [call site] 00050
7 array_list_free [function] [call site] 00051
7 json_object_generic_delete [function] [call site] 00052
6 json_object_string_delete [function] [call site] 00053
7 JC_STRING [function] [call site] 00054
7 JC_STRING [function] [call site] 00055
7 json_object_generic_delete [function] [call site] 00056
6 json_object_generic_delete [function] [call site] 00057
5 JC_OBJECT [function] [call site] 00058
5 lh_table_length [function] [call site] 00059
5 JC_OBJECT [function] [call site] 00060
5 JC_ARRAY [function] [call site] 00061
5 array_list_length [function] [call site] 00062
5 lh_entry_v [function] [call site] 00063
5 lh_entry_set_val [function] [call site] 00064
5 JC_ARRAY [function] [call site] 00065
5 array_list_get_idx [function] [call site] 00066
5 JC_ARRAY [function] [call site] 00067
5 array_list_set_idx [function] [call site] 00068
5 __assert_fail [call site] 00069
5 _json_object_put_maybe_free [function] [call site] 00070
5 JC_OBJECT [function] [call site] 00071
5 lh_table_delete_entry_to_tail [function] [call site] 00072
6 lh_table_delete_entry [function] [call site] 00073
7 __assert_fail [call site] 00074
5 JC_ARRAY [function] [call site] 00075
5 array_list_del_idx [function] [call site] 00076
5 __assert_fail [call site] 00077
5 _json_object_put_maybe_free [function] [call site] 00078
5 __assert_fail [call site] 00079
1 json_tokener_parse [function] [call site] 00080
2 json_tokener_parse_verbose [function] [call site] 00081
3 json_tokener_new [function] [call site] 00082
4 json_tokener_new_ex [function] [call site] 00083
5 calloc [call site] 00084
5 calloc [call site] 00085
5 printbuf_new [function] [call site] 00086
6 calloc [call site] 00087
5 json_tokener_reset [function] [call site] 00088
6 json_tokener_reset_level [function] [call site] 00089
7 json_object_put [function] [call site] 00090
3 json_tokener_parse_ex [function] [call site] 00091
4 uselocale [call site] 00092
4 strlen [call site] 00093
4 newlocale [call site] 00094
4 uselocale [call site] 00095
4 json_tokener_validate_utf8 [function] [call site] 00096
4 is_ws_char [function] [call site] 00097
4 json_tokener_validate_utf8 [function] [call site] 00098
4 printbuf_reset [function] [call site] 00099
4 printbuf_memappend [function] [call site] 00100
4 json_object_new_object [function] [call site] 00101
5 json_object_new [function] [call site] 00102
5 json_object_object_to_json_string [function] [call site] 00103
6 printbuf_memappend [function] [call site] 00104
6 json_object_get_object [function] [call site] 00105
7 JC_OBJECT_C [function] [call site] 00106
6 lh_table_head [function] [call site] 00107
6 lh_entry_k [function] [call site] 00108
6 lh_entry_v [function] [call site] 00109
6 printbuf_memappend [function] [call site] 00110
6 printbuf_memappend [function] [call site] 00111
6 printbuf_memappend [function] [call site] 00112
6 indent [function] [call site] 00113
6 printbuf_memappend [function] [call site] 00114
6 printbuf_memappend [function] [call site] 00115
6 strlen [call site] 00116
6 json_escape_str [function] [call site] 00117
7 printbuf_memappend [function] [call site] 00118
7 printbuf_memappend [function] [call site] 00119
7 printbuf_memappend [function] [call site] 00120
7 snprintf [call site] 00121
7 printbuf_memappend [function] [call site] 00122
7 printbuf_memappend [function] [call site] 00123
6 printbuf_memappend [function] [call site] 00124
6 printbuf_memappend [function] [call site] 00125
6 printbuf_memappend [function] [call site] 00126
6 printbuf_memappend [function] [call site] 00127
6 printbuf_memappend [function] [call site] 00128
6 printbuf_memappend [function] [call site] 00129
6 printbuf_memappend [function] [call site] 00130
6 lh_entry_next [function] [call site] 00131
6 printbuf_memappend [function] [call site] 00132
6 indent [function] [call site] 00133
6 printbuf_memappend [function] [call site] 00134
6 printbuf_memappend [function] [call site] 00135
5 lh_kchar_table_new [function] [call site] 00136
6 lh_table_new [function] [call site] 00137
7 __assert_fail [call site] 00138
7 calloc [call site] 00139
7 calloc [call site] 00140
6 lh_char_equal [function] [call site] 00141
7 strcmp [call site] 00142
5 json_object_lh_entry_free [function] [call site] 00143
6 lh_entry_v [function] [call site] 00144
6 lh_entry_k_is_constant [function] [call site] 00145
6 lh_entry_k [function] [call site] 00146
6 json_object_put [function] [call site] 00147
5 json_object_generic_delete [function] [call site] 00148
5 __errno_location [call site] 00149
4 json_object_new_array [function] [call site] 00150
4 printbuf_reset [function] [call site] 00151
4 printbuf_reset [function] [call site] 00152
4 printbuf_reset [function] [call site] 00153
4 printbuf_reset [function] [call site] 00154
4 printbuf_reset [function] [call site] 00155
4 json_object_get [function] [call site] 00156
5 __assert_fail [call site] 00157
4 json_tokener_reset_level [function] [call site] 00158
4 json_tokener_validate_utf8 [function] [call site] 00159
4 json_object_new_double [function] [call site] 00160
5 json_object_new [function] [call site] 00161
5 json_object_double_to_json_string [function] [call site] 00162
6 json_object_double_to_json_string_format [function] [call site] 00163
7 JC_DOUBLE [function] [call site] 00164
7 snprintf [call site] 00165
7 snprintf [call site] 00166
7 snprintf [call site] 00167
7 snprintf [call site] 00168
7 strchr [call site] 00169
7 strchr [call site] 00170
7 strstr [call site] 00171
7 strchr [call site] 00172
7 strcat [call site] 00173
7 printbuf_memappend [function] [call site] 00174
4 printbuf_memappend [function] [call site] 00175
4 strncasecmp [call site] 00176
4 strncmp [call site] 00177
4 strncasecmp [call site] 00178
4 strncmp [call site] 00179
4 json_object_new_double [function] [call site] 00180
4 printbuf_memappend [function] [call site] 00181
4 json_tokener_validate_utf8 [function] [call site] 00182
4 printbuf_memappend [function] [call site] 00183
4 printbuf_memappend [function] [call site] 00184
4 json_tokener_validate_utf8 [function] [call site] 00185
4 printbuf_memappend [function] [call site] 00186
4 printbuf_memappend [function] [call site] 00187
4 printbuf_memappend [function] [call site] 00188
4 printbuf_memappend [function] [call site] 00189
4 json_object_new_string_len [function] [call site] 00190
5 _json_object_new_string [function] [call site] 00191
6 json_object_new [function] [call site] 00192
6 json_object_string_to_json_string [function] [call site] 00193
7 JC_STRING [function] [call site] 00194
7 printbuf_memappend [function] [call site] 00195
7 printbuf_memappend [function] [call site] 00196
7 get_string_component [function] [call site] 00197
8 get_string_component_mutable [function] [call site] 00198
9 JC_STRING_C [function] [call site] 00199
9 JC_STRING [function] [call site] 00200
9 JC_STRING [function] [call site] 00201
7 json_escape_str [function] [call site] 00202
7 printbuf_memappend [function] [call site] 00203
7 printbuf_memappend [function] [call site] 00204
4 printbuf_memappend [function] [call site] 00205
4 json_tokener_validate_utf8 [function] [call site] 00206
4 printbuf_memappend [function] [call site] 00207
4 printbuf_memappend [function] [call site] 00208
4 printbuf_memappend [function] [call site] 00209
4 printbuf_memappend [function] [call site] 00210
4 printbuf_memappend [function] [call site] 00211
4 printbuf_memappend [function] [call site] 00212
4 printbuf_memappend [function] [call site] 00213
4 is_hex_char [function] [call site] 00214
4 json_tokener_validate_utf8 [function] [call site] 00215
4 printbuf_memappend [function] [call site] 00216
4 printbuf_memappend [function] [call site] 00217
4 printbuf_memappend [function] [call site] 00218
4 printbuf_memappend [function] [call site] 00219
4 printbuf_memappend [function] [call site] 00220
4 printbuf_memappend [function] [call site] 00221
4 printbuf_memappend [function] [call site] 00222
4 printbuf_memappend [function] [call site] 00223
4 printbuf_memappend [function] [call site] 00224
4 printbuf_memappend [function] [call site] 00225
4 strncasecmp [call site] 00226
4 strncmp [call site] 00227
4 json_object_new_boolean [function] [call site] 00228
5 json_object_new [function] [call site] 00229
5 json_object_boolean_to_json_string [function] [call site] 00230
6 printbuf_memappend [function] [call site] 00231
6 JC_BOOL [function] [call site] 00232
6 printbuf_memappend [function] [call site] 00233
6 printbuf_memappend [function] [call site] 00234
4 strncasecmp [call site] 00235
4 strncmp [call site] 00236
4 json_object_new_boolean [function] [call site] 00237
4 strchr [call site] 00238
4 strchr [call site] 00239
4 json_tokener_validate_utf8 [function] [call site] 00240
4 printbuf_memappend [function] [call site] 00241
4 is_ws_char [function] [call site] 00242
4 printbuf_memappend [function] [call site] 00243
4 json_parse_int64 [function] [call site] 00244
5 __errno_location [call site] 00245
5 strtoll [call site] 00246
5 __errno_location [call site] 00247
5 __errno_location [call site] 00248
4 __errno_location [call site] 00249
4 json_object_new_int64 [function] [call site] 00250
5 json_object_new [function] [call site] 00251
5 json_object_int_to_json_string [function] [call site] 00252
6 JC_INT [function] [call site] 00253
6 JC_INT [function] [call site] 00254
6 snprintf [call site] 00255
6 JC_INT [function] [call site] 00256
6 snprintf [call site] 00257
6 strlen [call site] 00258
6 printbuf_memappend [function] [call site] 00259
4 json_parse_uint64 [function] [call site] 00260
5 __errno_location [call site] 00261
5 strtoull [call site] 00262
5 __errno_location [call site] 00263
5 __errno_location [call site] 00264
4 __errno_location [call site] 00265
4 json_object_new_int64 [function] [call site] 00266
4 json_object_new_uint64 [function] [call site] 00267
5 json_object_new [function] [call site] 00268
5 json_object_int_to_json_string [function] [call site] 00269
4 json_tokener_parse_double [function] [call site] 00270
5 strtod [call site] 00271
4 json_object_new_double_s [function] [call site] 00272
5 json_object_new_double [function] [call site] 00273
5 strdup [call site] 00274
5 json_object_generic_delete [function] [call site] 00275
5 __errno_location [call site] 00276
5 json_object_set_serializer [function] [call site] 00277
6 json_object_set_userdata [function] [call site] 00278
7 __assert_fail [call site] 00279
5 _json_object_userdata_to_json_string [function] [call site] 00280
6 json_object_userdata_to_json_string [function] [call site] 00281
7 strlen [call site] 00282
7 printbuf_memappend [function] [call site] 00283
5 json_object_free_userdata [function] [call site] 00284
4 json_object_array_shrink [function] [call site] 00285
5 json_object_get_type [function] [call site] 00286
5 __assert_fail [call site] 00287
5 json_abort [function] [call site] 00288
6 fprintf [call site] 00289
6 abort [call site] 00290
5 JC_ARRAY [function] [call site] 00291
5 array_list_shrink [function] [call site] 00292
6 array_list_expand_internal [function] [call site] 00293
7 realloc [call site] 00294
6 realloc [call site] 00295
4 json_tokener_reset_level [function] [call site] 00296
4 json_object_array_add [function] [call site] 00297
5 json_object_get_type [function] [call site] 00298
5 __assert_fail [call site] 00299
5 JC_ARRAY [function] [call site] 00300
5 array_list_add [function] [call site] 00301
6 array_list_expand_internal [function] [call site] 00302
4 json_object_array_shrink [function] [call site] 00303
4 printbuf_reset [function] [call site] 00304
4 printbuf_memappend [function] [call site] 00305
4 strdup [call site] 00306
4 printbuf_memappend [function] [call site] 00307
4 json_tokener_validate_utf8 [function] [call site] 00308
4 printbuf_memappend [function] [call site] 00309
4 json_tokener_reset_level [function] [call site] 00310
4 json_object_object_add [function] [call site] 00311
5 json_object_object_add_ex [function] [call site] 00312
6 json_object_get_type [function] [call site] 00313
6 __assert_fail [call site] 00314
6 JC_OBJECT [function] [call site] 00315
6 lh_get_hash [function] [call site] 00316
6 JC_OBJECT [function] [call site] 00317
6 lh_table_lookup_entry_w_hash [function] [call site] 00318
6 strdup [call site] 00319
6 JC_OBJECT [function] [call site] 00320
6 lh_table_insert_w_hash [function] [call site] 00321
7 lh_table_resize [function] [call site] 00322
8 lh_table_new [function] [call site] 00323
8 lh_get_hash [function] [call site] 00324
8 lh_table_insert_w_hash [function] [call site] 00325
8 lh_table_free [function] [call site] 00326
6 lh_entry_v [function] [call site] 00327
6 json_object_put [function] [call site] 00328
6 lh_entry_set_val [function] [call site] 00329
4 uselocale [call site] 00330
4 json_object_get [function] [call site] 00331
4 json_tokener_reset_level [function] [call site] 00332
3 json_object_put [function] [call site] 00333
3 json_tokener_free [function] [call site] 00334
4 json_tokener_reset [function] [call site] 00335
4 printbuf_free [function] [call site] 00336
1 json_object_array_add [function] [call site] 00337
1 json_object_new_int [function] [call site] 00338
2 json_object_new_int64 [function] [call site] 00339
1 json_object_array_insert_idx [function] [call site] 00340
2 json_object_get_type [function] [call site] 00341
2 __assert_fail [call site] 00342
2 JC_ARRAY [function] [call site] 00343
2 array_list_insert_idx [function] [call site] 00344
3 array_list_put_idx [function] [call site] 00345
4 array_list_expand_internal [function] [call site] 00346
3 array_list_expand_internal [function] [call site] 00347
1 json_object_array_get_idx [function] [call site] 00348
1 json_object_new_int [function] [call site] 00349
1 json_object_array_put_idx [function] [call site] 00350
2 json_object_get_type [function] [call site] 00351
2 __assert_fail [call site] 00352
2 JC_ARRAY [function] [call site] 00353
2 array_list_put_idx [function] [call site] 00354
1 json_object_array_del_idx [function] [call site] 00355
2 json_object_get_type [function] [call site] 00356
2 __assert_fail [call site] 00357
2 JC_ARRAY [function] [call site] 00358
2 array_list_del_idx [function] [call site] 00359
1 json_object_array_shrink [function] [call site] 00360
1 LLVMFuzzerTestOneInput::$_0::operator int (*)(void const*, void const*)() const [function] [call site] 00361
1 json_object_array_sort [function] [call site] 00362
2 json_object_get_type [function] [call site] 00363
2 __assert_fail [call site] 00364
2 JC_ARRAY [function] [call site] 00365
2 array_list_sort [function] [call site] 00366
3 qsort [call site] 00367
1 json_object_array_length [function] [call site] 00368
1 json_object_put [function] [call site] 00369