Fuzz introspector: json-c/fuzz/tokener_parse_ex_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
327 0 EP call site: 00000 json_tokener_parse_ex

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 reinterpret_cast<const [call site] 00001
1 json_tokener_new [function] [call site] 00002
2 json_tokener_new_ex [function] [call site] 00003
3 json_tokener_reset [function] [call site] 00013
4 json_tokener_reset_level [function] [call site] 00014
5 json_object_put [function] [call site] 00015
6 __sync_sub_and_fetch [function] [call site] 00017
6 _event_user_delete [function] [call site] 00018
7 fr_strerror_printf [function] [call site] 00022
7 fr_syserror [function] [call site] 00023
8 HAVE_DEFINITION [function] [call site] 00024
8 _fr_syserror_buffer [function] [call site] 00025
9 talloc_array [function] [call site] 00026
9 fr_perror [function] [call site] 00027
10 fr_strerror_marker_pop [function] [call site] 00028
11 unlikely [function] [call site] 00029
11 fr_dlist_head [function] [call site] 00030
12 fr_dlist_entry_to_item [function] [call site] 00031
11 fr_dlist_remove [function] [call site] 00032
12 fr_dlist_empty [function] [call site] 00033
12 _talloc_get_type_abort [function] [call site] 00034
12 fr_dlist_item_to_entry [function] [call site] 00035
12 fr_dlist_entry_in_list [function] [call site] 00036
12 fr_dlist_entry_to_item [function] [call site] 00037
10 va_start [function] [call site] 00038
10 talloc_vasprintf [function] [call site] 00039
10 talloc_free [function] [call site] 00043
10 talloc_free [function] [call site] 00044
10 fr_strerror_marker_pop [function] [call site] 00046
9 fr_atexit_thread_local [function] [call site] 00048
8 HAVE_DEFINITION [function] [call site] 00049
6 json_object_object_delete [function] [call site] 00070
7 JC_OBJECT [function] [call site] 00075
7 json_object_generic_delete [function] [call site] 00076
6 json_object_array_delete [function] [call site] 00081
7 array_list_free [function] [call site] 00082
7 json_object_generic_delete [function] [call site] 00087
6 json_object_string_delete [function] [call site] 00088
7 JC_STRING [function] [call site] 00089
7 JC_STRING [function] [call site] 00091
7 json_object_generic_delete [function] [call site] 00092
6 json_object_generic_delete [function] [call site] 00093
1 json_tokener_parse_ex [function] [call site] 00095
2 uselocale [function] [call site] 00096
2 duplocale [function] [call site] 00098
2 newlocale [function] [call site] 00099
2 freelocale [function] [call site] 00100
2 freelocale [function] [call site] 00101
2 uselocale [function] [call site] 00102
2 setlocale [function] [call site] 00103
2 setlocale [function] [call site] 00105
2 PEEK_CHAR [function] [call site] 00106
2 is_ws_char [function] [call site] 00107
2 ADVANCE_CHAR [function] [call site] 00108
2 PEEK_CHAR [function] [call site] 00109
2 printbuf_reset [function] [call site] 00110
2 printbuf_memappend_checked [function] [call site] 00111
2 json_object_new_object [function] [call site] 00112
3 JSON_OBJECT_NEW [function] [call site] 00113
3 json_object_generic_delete [function] [call site] 00120
2 json_object_new_array [function] [call site] 00121
3 json_object_new_array_ext [function] [call site] 00122
2 printbuf_reset [function] [call site] 00129
2 printbuf_reset [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 json_object_get [function] [call site] 00134
3 __sync_add_and_fetch [function] [call site] 00136
2 json_tokener_reset_level [function] [call site] 00137
2 ADVANCE_CHAR [function] [call site] 00138
2 PEEK_CHAR [function] [call site] 00139
2 printbuf_length [function] [call site] 00140
2 json_object_new_double [function] [call site] 00141
3 JSON_OBJECT_NEW [function] [call site] 00142
2 printbuf_memappend_checked [function] [call site] 00143
2 strncasecmp [function] [call site] 00152
2 json_object_new_double [function] [call site] 00154
2 printbuf_memappend_checked [function] [call site] 00155
2 ADVANCE_CHAR [function] [call site] 00156
2 PEEK_CHAR [function] [call site] 00157
2 printbuf_memappend_checked [function] [call site] 00158
2 printbuf_memappend_checked [function] [call site] 00159
2 ADVANCE_CHAR [function] [call site] 00160
2 PEEK_CHAR [function] [call site] 00161
2 printbuf_memappend_checked [function] [call site] 00162
2 printbuf_memappend_checked [function] [call site] 00163
2 printbuf_memappend_checked [function] [call site] 00165
2 printbuf_memappend_checked [function] [call site] 00167
2 json_object_new_string_len [function] [call site] 00168
3 _json_object_new_string [function] [call site] 00169
2 printbuf_memappend_checked [function] [call site] 00173
2 ADVANCE_CHAR [function] [call site] 00174
2 PEEK_CHAR [function] [call site] 00175
2 printbuf_memappend_checked [function] [call site] 00176
2 printbuf_memappend_checked [function] [call site] 00177
2 printbuf_memappend_checked [function] [call site] 00178
2 printbuf_memappend_checked [function] [call site] 00179
2 printbuf_memappend_checked [function] [call site] 00180
2 printbuf_memappend_checked [function] [call site] 00181
2 printbuf_memappend_checked [function] [call site] 00182
2 is_hex_char [function] [call site] 00183
2 jt_hexdigit [function] [call site] 00184
2 ADVANCE_CHAR [function] [call site] 00185
2 PEEK_CHAR [function] [call site] 00186
2 IS_LOW_SURROGATE [function] [call site] 00187
2 DECODE_SURROGATE_PAIR [function] [call site] 00188
2 printbuf_memappend_checked [function] [call site] 00189
2 printbuf_memappend_checked [function] [call site] 00190
2 printbuf_memappend_checked [function] [call site] 00191
2 IS_HIGH_SURROGATE [function] [call site] 00192
2 IS_LOW_SURROGATE [function] [call site] 00193
2 printbuf_memappend_checked [function] [call site] 00194
2 printbuf_memappend_checked [function] [call site] 00195
2 printbuf_memappend_checked [function] [call site] 00196
2 printbuf_memappend_checked [function] [call site] 00197
2 printbuf_memappend_checked [function] [call site] 00198
2 printbuf_memappend_checked [function] [call site] 00199
2 printbuf_memappend_checked [function] [call site] 00200
2 strncasecmp [function] [call site] 00203
2 json_object_new_boolean [function] [call site] 00205
3 JSON_OBJECT_NEW [function] [call site] 00206
2 strncasecmp [function] [call site] 00207
2 json_object_new_boolean [function] [call site] 00209
2 printbuf_length [function] [call site] 00210
2 printbuf_length [function] [call site] 00213
2 ADVANCE_CHAR [function] [call site] 00214
2 PEEK_CHAR [function] [call site] 00215
2 printbuf_memappend_checked [function] [call site] 00216
2 is_ws_char [function] [call site] 00217
2 printbuf_memappend_checked [function] [call site] 00218
2 printbuf_length [function] [call site] 00219
2 printbuf_length [function] [call site] 00220
2 printbuf_length [function] [call site] 00221
2 printbuf_length [function] [call site] 00222
2 json_parse_int64 [function] [call site] 00223
2 json_object_new_int64 [function] [call site] 00225
3 JSON_OBJECT_NEW [function] [call site] 00226
2 json_parse_uint64 [function] [call site] 00227
2 json_object_new_int64 [function] [call site] 00229
2 json_object_new_uint64 [function] [call site] 00230
3 JSON_OBJECT_NEW [function] [call site] 00231
2 json_tokener_parse_double [function] [call site] 00232
2 printbuf_length [function] [call site] 00234
2 json_object_new_double_s [function] [call site] 00235
3 json_object_new_double [function] [call site] 00236
3 json_object_generic_delete [function] [call site] 00238
3 json_object_set_serializer [function] [call site] 00239
4 json_object_set_userdata [function] [call site] 00240
5 _event_user_delete [function] [call site] 00242
6 fr_strerror_printf [function] [call site] 00246
6 fr_syserror [function] [call site] 00247
2 json_object_array_shrink [function] [call site] 00248
3 array_list_shrink [function] [call site] 00252
4 array_list_expand_internal [function] [call site] 00253
2 json_tokener_reset_level [function] [call site] 00257
2 json_object_array_add [function] [call site] 00258
3 json_object_get_type [function] [call site] 00260
3 array_list_add [function] [call site] 00261
4 array_list_expand_internal [function] [call site] 00262
2 json_object_array_shrink [function] [call site] 00264
2 printbuf_reset [function] [call site] 00265
2 printbuf_memappend_checked [function] [call site] 00266
2 printbuf_memappend_checked [function] [call site] 00268
2 ADVANCE_CHAR [function] [call site] 00269
2 PEEK_CHAR [function] [call site] 00270
2 printbuf_memappend_checked [function] [call site] 00271
2 json_tokener_reset_level [function] [call site] 00272
2 json_object_object_add [function] [call site] 00273
3 json_object_object_add_ex [function] [call site] 00274
4 json_object_get_type [function] [call site] 00276
4 lh_get_hash [function] [call site] 00277
5 struct [call site] 00278
4 JC_OBJECT [function] [call site] 00279
4 lh_table_lookup_entry_w_hash [function] [call site] 00280
5 struct [call site] 00281
4 JC_OBJECT [function] [call site] 00282
4 lh_table_insert_w_hash [function] [call site] 00284
5 lh_table_resize [function] [call site] 00285
6 lh_table_new [function] [call site] 00286
6 lh_get_hash [function] [call site] 00287
6 lh_table_insert_w_hash [function] [call site] 00288
6 lh_table_free [function] [call site] 00289
4 JC_OBJECT [function] [call site] 00292
4 lh_entry_v [function] [call site] 00293
5 _LH_UNCONST [function] [call site] 00294
4 json_object_put [function] [call site] 00295
4 lh_entry_set_val [function] [call site] 00296
2 ADVANCE_CHAR [function] [call site] 00298
2 uselocale [function] [call site] 00299
2 freelocale [function] [call site] 00300
2 setlocale [function] [call site] 00301
2 json_object_get [function] [call site] 00303
2 json_tokener_reset_level [function] [call site] 00304
1 json_object_is_type [function] [call site] 00306
1 json_object_get_type [function] [call site] 00307
1 json_object_get_string [function] [call site] 00308
2 get_string_component [function] [call site] 00309
3 get_string_component_mutable [function] [call site] 00310
4 JC_STRING_C [function] [call site] 00311
4 JC_STRING [function] [call site] 00312
4 JC_STRING [function] [call site] 00313
2 json_object_to_json_string [function] [call site] 00314
3 json_object_to_json_string_ext [function] [call site] 00315
4 json_object_to_json_string_length [function] [call site] 00316
5 printbuf_new [function] [call site] 00317
5 printbuf_reset [function] [call site] 00318
5 json_object_to_json_string [function] [call site] 00319
6 json_object_to_json_string_ext [function] [call site] 00320
1 json_object_to_json_string_ext [function] [call site] 00321
1 json_object_put [function] [call site] 00322
1 json_tokener_free [function] [call site] 00323
2 json_tokener_reset [function] [call site] 00324
2 printbuf_free [function] [call site] 00325