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
329 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
13 __coverity_panic__ [function] [call site] 00035
13 __coverity_mark_pointee_as_sanitized__ [function] [call site] 00036
12 fr_dlist_item_to_entry [function] [call site] 00037
12 fr_dlist_entry_in_list [function] [call site] 00038
12 fr_dlist_entry_to_item [function] [call site] 00039
10 va_start [function] [call site] 00040
10 talloc_vasprintf [function] [call site] 00041
10 talloc_free [function] [call site] 00045
10 talloc_free [function] [call site] 00046
10 fr_strerror_marker_pop [function] [call site] 00048
9 fr_atexit_thread_local [function] [call site] 00050
8 HAVE_DEFINITION [function] [call site] 00051
6 json_object_object_delete [function] [call site] 00072
7 JC_OBJECT [function] [call site] 00077
7 json_object_generic_delete [function] [call site] 00078
6 json_object_array_delete [function] [call site] 00083
7 array_list_free [function] [call site] 00084
7 json_object_generic_delete [function] [call site] 00089
6 json_object_string_delete [function] [call site] 00090
7 JC_STRING [function] [call site] 00091
7 JC_STRING [function] [call site] 00093
7 json_object_generic_delete [function] [call site] 00094
6 json_object_generic_delete [function] [call site] 00095
1 json_tokener_parse_ex [function] [call site] 00097
2 uselocale [function] [call site] 00098
2 duplocale [function] [call site] 00100
2 newlocale [function] [call site] 00101
2 freelocale [function] [call site] 00102
2 freelocale [function] [call site] 00103
2 uselocale [function] [call site] 00104
2 setlocale [function] [call site] 00105
2 setlocale [function] [call site] 00107
2 PEEK_CHAR [function] [call site] 00108
2 is_ws_char [function] [call site] 00109
2 ADVANCE_CHAR [function] [call site] 00110
2 PEEK_CHAR [function] [call site] 00111
2 printbuf_reset [function] [call site] 00112
2 printbuf_memappend_checked [function] [call site] 00113
2 json_object_new_object [function] [call site] 00114
3 JSON_OBJECT_NEW [function] [call site] 00115
3 json_object_generic_delete [function] [call site] 00122
2 json_object_new_array [function] [call site] 00123
3 json_object_new_array_ext [function] [call site] 00124
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 __sync_add_and_fetch [function] [call site] 00138
2 json_tokener_reset_level [function] [call site] 00139
2 ADVANCE_CHAR [function] [call site] 00140
2 PEEK_CHAR [function] [call site] 00141
2 printbuf_length [function] [call site] 00142
2 json_object_new_double [function] [call site] 00143
3 JSON_OBJECT_NEW [function] [call site] 00144
2 printbuf_memappend_checked [function] [call site] 00145
2 strncasecmp [function] [call site] 00154
2 json_object_new_double [function] [call site] 00156
2 printbuf_memappend_checked [function] [call site] 00157
2 ADVANCE_CHAR [function] [call site] 00158
2 PEEK_CHAR [function] [call site] 00159
2 printbuf_memappend_checked [function] [call site] 00160
2 printbuf_memappend_checked [function] [call site] 00161
2 ADVANCE_CHAR [function] [call site] 00162
2 PEEK_CHAR [function] [call site] 00163
2 printbuf_memappend_checked [function] [call site] 00164
2 printbuf_memappend_checked [function] [call site] 00165
2 printbuf_memappend_checked [function] [call site] 00167
2 printbuf_memappend_checked [function] [call site] 00169
2 json_object_new_string_len [function] [call site] 00170
3 _json_object_new_string [function] [call site] 00171
2 printbuf_memappend_checked [function] [call site] 00175
2 ADVANCE_CHAR [function] [call site] 00176
2 PEEK_CHAR [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 printbuf_memappend_checked [function] [call site] 00183
2 printbuf_memappend_checked [function] [call site] 00184
2 is_hex_char [function] [call site] 00185
2 jt_hexdigit [function] [call site] 00186
2 ADVANCE_CHAR [function] [call site] 00187
2 PEEK_CHAR [function] [call site] 00188
2 IS_LOW_SURROGATE [function] [call site] 00189
2 DECODE_SURROGATE_PAIR [function] [call site] 00190
2 printbuf_memappend_checked [function] [call site] 00191
2 printbuf_memappend_checked [function] [call site] 00192
2 printbuf_memappend_checked [function] [call site] 00193
2 IS_HIGH_SURROGATE [function] [call site] 00194
2 IS_LOW_SURROGATE [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 printbuf_memappend_checked [function] [call site] 00201
2 printbuf_memappend_checked [function] [call site] 00202
2 strncasecmp [function] [call site] 00205
2 json_object_new_boolean [function] [call site] 00207
3 JSON_OBJECT_NEW [function] [call site] 00208
2 strncasecmp [function] [call site] 00209
2 json_object_new_boolean [function] [call site] 00211
2 printbuf_length [function] [call site] 00212
2 printbuf_length [function] [call site] 00215
2 ADVANCE_CHAR [function] [call site] 00216
2 PEEK_CHAR [function] [call site] 00217
2 printbuf_memappend_checked [function] [call site] 00218
2 is_ws_char [function] [call site] 00219
2 printbuf_memappend_checked [function] [call site] 00220
2 printbuf_length [function] [call site] 00221
2 printbuf_length [function] [call site] 00222
2 printbuf_length [function] [call site] 00223
2 printbuf_length [function] [call site] 00224
2 json_parse_int64 [function] [call site] 00225
2 json_object_new_int64 [function] [call site] 00227
3 JSON_OBJECT_NEW [function] [call site] 00228
2 json_parse_uint64 [function] [call site] 00229
2 json_object_new_int64 [function] [call site] 00231
2 json_object_new_uint64 [function] [call site] 00232
3 JSON_OBJECT_NEW [function] [call site] 00233
2 json_tokener_parse_double [function] [call site] 00234
2 printbuf_length [function] [call site] 00236
2 json_object_new_double_s [function] [call site] 00237
3 json_object_new_double [function] [call site] 00238
3 json_object_generic_delete [function] [call site] 00240
3 json_object_set_serializer [function] [call site] 00241
4 json_object_set_userdata [function] [call site] 00242
5 _event_user_delete [function] [call site] 00244
6 fr_strerror_printf [function] [call site] 00248
6 fr_syserror [function] [call site] 00249
2 json_object_array_shrink [function] [call site] 00250
3 array_list_shrink [function] [call site] 00254
4 array_list_expand_internal [function] [call site] 00255
2 json_tokener_reset_level [function] [call site] 00259
2 json_object_array_add [function] [call site] 00260
3 json_object_get_type [function] [call site] 00262
3 array_list_add [function] [call site] 00263
4 array_list_expand_internal [function] [call site] 00264
2 json_object_array_shrink [function] [call site] 00266
2 printbuf_reset [function] [call site] 00267
2 printbuf_memappend_checked [function] [call site] 00268
2 printbuf_memappend_checked [function] [call site] 00270
2 ADVANCE_CHAR [function] [call site] 00271
2 PEEK_CHAR [function] [call site] 00272
2 printbuf_memappend_checked [function] [call site] 00273
2 json_tokener_reset_level [function] [call site] 00274
2 json_object_object_add [function] [call site] 00275
3 json_object_object_add_ex [function] [call site] 00276
4 json_object_get_type [function] [call site] 00278
4 lh_get_hash [function] [call site] 00279
5 struct [call site] 00280
4 JC_OBJECT [function] [call site] 00281
4 lh_table_lookup_entry_w_hash [function] [call site] 00282
5 struct [call site] 00283
4 JC_OBJECT [function] [call site] 00284
4 lh_table_insert_w_hash [function] [call site] 00286
5 lh_table_resize [function] [call site] 00287
6 lh_table_new [function] [call site] 00288
6 lh_get_hash [function] [call site] 00289
6 lh_table_insert_w_hash [function] [call site] 00290
6 lh_table_free [function] [call site] 00291
4 JC_OBJECT [function] [call site] 00294
4 lh_entry_v [function] [call site] 00295
5 _LH_UNCONST [function] [call site] 00296
4 json_object_put [function] [call site] 00297
4 lh_entry_set_val [function] [call site] 00298
2 ADVANCE_CHAR [function] [call site] 00300
2 uselocale [function] [call site] 00301
2 freelocale [function] [call site] 00302
2 setlocale [function] [call site] 00303
2 json_object_get [function] [call site] 00305
2 json_tokener_reset_level [function] [call site] 00306
1 json_object_is_type [function] [call site] 00308
1 json_object_get_type [function] [call site] 00309
1 json_object_get_string [function] [call site] 00310
2 get_string_component [function] [call site] 00311
3 get_string_component_mutable [function] [call site] 00312
4 JC_STRING_C [function] [call site] 00313
4 JC_STRING [function] [call site] 00314
4 JC_STRING [function] [call site] 00315
2 json_object_to_json_string [function] [call site] 00316
3 json_object_to_json_string_ext [function] [call site] 00317
4 json_object_to_json_string_length [function] [call site] 00318
5 printbuf_new [function] [call site] 00319
5 printbuf_reset [function] [call site] 00320
5 json_object_to_json_string [function] [call site] 00321
6 json_object_to_json_string_ext [function] [call site] 00322
1 json_object_to_json_string_ext [function] [call site] 00323
1 json_object_put [function] [call site] 00324
1 json_tokener_free [function] [call site] 00325
2 json_tokener_reset [function] [call site] 00326
2 printbuf_free [function] [call site] 00327