Fuzz introspector: tests/oss-fuzz/rules_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
441 0 EP call site: 00000 yr_compiler_add_string

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 malloc [function] [call site] 00001
1 strncpy [function] [call site] 00002
1 yr_compiler_create [function] [call site] 00003
2 yr_calloc [function] [call site] 00004
3 HeapAlloc [function] [call site] 00005
2 yr_hash_table_create [function] [call site] 00006
3 yr_malloc [function] [call site] 00007
4 HeapAlloc [function] [call site] 00008
2 yr_hash_table_create [function] [call site] 00009
2 yr_hash_table_create [function] [call site] 00010
2 yr_hash_table_create [function] [call site] 00011
2 yr_hash_table_create [function] [call site] 00012
2 yr_arena_create [function] [call site] 00013
3 yr_calloc [function] [call site] 00014
2 yr_ac_automaton_create [function] [call site] 00015
3 yr_malloc [function] [call site] 00016
3 yr_malloc [function] [call site] 00017
3 yr_free [function] [call site] 00018
4 HeapFree [function] [call site] 00019
3 yr_free [function] [call site] 00020
2 yr_compiler_destroy [function] [call site] 00021
3 yr_arena_release [function] [call site] 00022
4 yr_free [function] [call site] 00023
4 yr_free [function] [call site] 00024
4 yr_free [function] [call site] 00025
3 yr_ac_automaton_destroy [function] [call site] 00026
4 _yr_ac_state_destroy [function] [call site] 00027
5 _yr_ac_state_destroy [function] [call site] 00028
5 yr_free [function] [call site] 00029
4 yr_free [function] [call site] 00030
4 yr_free [function] [call site] 00031
3 yr_hash_table_destroy [function] [call site] 00032
4 yr_hash_table_clean [function] [call site] 00033
5 free_value [function] [call site] 00034
5 yr_free [function] [call site] 00035
5 yr_free [function] [call site] 00036
5 yr_free [function] [call site] 00037
4 yr_free [function] [call site] 00038
3 yr_hash_table_destroy [function] [call site] 00039
3 yr_hash_table_destroy [function] [call site] 00040
3 yr_hash_table_destroy [function] [call site] 00041
3 yr_hash_table_destroy [function] [call site] 00042
3 yr_free [function] [call site] 00043
3 yr_free [function] [call site] 00044
3 yr_free [function] [call site] 00045
3 yr_free [function] [call site] 00046
1 free [function] [call site] 00047
1 yr_compiler_add_string [function] [call site] 00048
2 assert [function] [call site] 00049
2 assert [function] [call site] 00050
2 _yr_compiler_set_namespace [function] [call site] 00051
3 yr_arena_get_ptr [function] [call site] 00052
4 assert [function] [call site] 00053
4 assert [function] [call site] 00054
3 strcmp [function] [call site] 00055
3 FAIL_ON_ERROR [function] [call site] 00056
3 yr_arena_allocate_struct [function] [call site] 00057
4 _yr_arena_allocate_memory [function] [call site] 00058
5 yr_realloc [function] [call site] 00059
6 HeapAlloc [function] [call site] 00060
6 HeapReAlloc [function] [call site] 00061
5 memset [function] [call site] 00062
4 va_start [function] [call site] 00063
4 _yr_arena_make_ptr_relocatable [function] [call site] 00064
5 va_arg [function] [call site] 00065
5 yr_malloc [function] [call site] 00066
5 va_arg [function] [call site] 00067
4 va_end [function] [call site] 00068
3 yr_arena_ref_to_ptr [function] [call site] 00069
4 YR_ARENA_IS_NULL_REF [function] [call site] 00070
4 memcpy [function] [call site] 00071
4 yr_arena_get_ptr [function] [call site] 00072
3 FAIL_ON_ERROR [function] [call site] 00073
3 _yr_compiler_store_string [function] [call site] 00074
4 _yr_compiler_store_data [function] [call site] 00075
5 yr_hash_table_lookup_uint32_raw_key [function] [call site] 00076
6 yr_hash_table_lookup_raw_key [function] [call site] 00077
7 _yr_hash_table_lookup [function] [call site] 00078
8 yr_hash [function] [call site] 00079
9 ROTATE_INT32 [function] [call site] 00080
8 yr_hash [function] [call site] 00081
8 strlen [function] [call site] 00082
8 memcmp [function] [call site] 00083
8 strcmp [function] [call site] 00084
8 yr_free [function] [call site] 00085
8 yr_free [function] [call site] 00086
8 yr_free [function] [call site] 00087
5 FAIL_ON_ERROR [function] [call site] 00088
5 yr_arena_write_data [function] [call site] 00089
6 FAIL_ON_ERROR [function] [call site] 00090
6 _yr_arena_allocate_memory [function] [call site] 00091
6 memcpy [function] [call site] 00092
5 FAIL_ON_ERROR [function] [call site] 00093
5 yr_hash_table_add_uint32_raw_key [function] [call site] 00094
6 yr_hash_table_add_raw_key [function] [call site] 00095
7 yr_malloc [function] [call site] 00096
7 yr_malloc [function] [call site] 00097
7 yr_free [function] [call site] 00098
7 yr_strdup [function] [call site] 00099
8 strlen [function] [call site] 00100
8 yr_malloc [function] [call site] 00101
8 memcpy [function] [call site] 00102
7 yr_free [function] [call site] 00103
7 yr_free [function] [call site] 00104
7 memcpy [function] [call site] 00105
7 yr_hash [function] [call site] 00106
7 yr_hash [function] [call site] 00107
7 strlen [function] [call site] 00108
4 strlen [function] [call site] 00109
3 yr_arena_ref_to_ptr [function] [call site] 00110
2 _yr_compiler_set_namespace [function] [call site] 00111
2 yr_lex_parse_rules_string [function] [call site] 00112
3 yylex_init [function] [call site] 00113
4 yyalloc [function] [call site] 00114
5 malloc [function] [call site] 00115
4 memset [function] [call site] 00116
4 yy_init_globals [function] [call site] 00117
3 setjmp [function] [call site] 00118
3 yyset_extra [function] [call site] 00119
3 yy_scan_string [function] [call site] 00120
4 yy_scan_bytes [function] [call site] 00121
5 yyalloc [function] [call site] 00122
5 YY_FATAL_ERROR [function] [call site] 00123
5 yy_scan_buffer [function] [call site] 00124
6 yyalloc [function] [call site] 00125
6 YY_FATAL_ERROR [function] [call site] 00126
6 yy_switch_to_buffer [function] [call site] 00127
7 yyensure_buffer_stack [function] [call site] 00128
8 yyalloc [function] [call site] 00129
8 YY_FATAL_ERROR [function] [call site] 00130
8 memset [function] [call site] 00131
8 yyrealloc [function] [call site] 00132
9 realloc [function] [call site] 00133
8 YY_FATAL_ERROR [function] [call site] 00134
8 memset [function] [call site] 00135
7 yy_load_buffer_state [function] [call site] 00136
5 YY_FATAL_ERROR [function] [call site] 00137
4 strlen [function] [call site] 00138
3 yyset_lineno [function] [call site] 00139
4 YY_FATAL_ERROR [function] [call site] 00140
3 yyparse [function] [call site] 00141
4 YYDPRINTF [function] [call site] 00142
4 YYDPRINTF [function] [call site] 00143
4 YY_ASSERT [function] [call site] 00144
4 YY_CAST [function] [call site] 00145
4 yyoverflow [function] [call site] 00146
4 YY_ [function] [call site] 00147
4 YYSIZEOF [function] [call site] 00148
4 YYSIZEOF [function] [call site] 00149
4 YY_CAST [function] [call site] 00150
4 YYSTACK_ALLOC [function] [call site] 00151
4 YY_CAST [function] [call site] 00152
4 YYSTACK_BYTES [function] [call site] 00153
4 YYSTACK_RELOCATE [function] [call site] 00154
4 YYSTACK_RELOCATE [function] [call site] 00155
4 YYSTACK_FREE [function] [call site] 00156
4 YY_CAST [function] [call site] 00157
4 yypact_value_is_default [function] [call site] 00158
4 YYDPRINTF [function] [call site] 00159
4 yylex [function] [call site] 00160
4 YYDPRINTF [function] [call site] 00161
4 YYTRANSLATE [function] [call site] 00162
4 YY_SYMBOL_PRINT [function] [call site] 00163
4 yytable_value_is_error [function] [call site] 00164
4 YY_SYMBOL_PRINT [function] [call site] 00165
4 YY_REDUCE_PRINT [function] [call site] 00166
4 yyget_extra [function] [call site] 00167
4 mark_as_not_fast_regexp [function] [call site] 00168
4 yr_re_node_create [function] [call site] 00169
5 yr_malloc [function] [call site] 00170
4 destroy_node_if [function] [call site] 00171
4 destroy_node_if [function] [call site] 00172
4 fail_if [function] [call site] 00173
4 yr_re_node_append_child [function] [call site] 00174
4 yr_re_node_append_child [function] [call site] 00175
4 mark_as_not_fast_regexp [function] [call site] 00176
4 yr_re_node_create [function] [call site] 00177
4 destroy_node_if [function] [call site] 00178
4 fail_if [function] [call site] 00179
4 yr_re_node_create [function] [call site] 00180
4 destroy_node_if [function] [call site] 00181
4 destroy_node_if [function] [call site] 00182
4 fail_if [function] [call site] 00183
4 yr_re_node_append_child [function] [call site] 00184
4 yr_re_node_append_child [function] [call site] 00185
4 yr_re_node_create [function] [call site] 00186
4 destroy_node_if [function] [call site] 00187
4 fail_if [function] [call site] 00188
4 yr_re_node_append_child [function] [call site] 00189
4 yr_re_node_append_child [function] [call site] 00190
4 mark_as_not_fast_regexp [function] [call site] 00191
4 yyget_extra [function] [call site] 00192
4 yr_re_node_create [function] [call site] 00193
4 destroy_node_if [function] [call site] 00194
4 fail_if [function] [call site] 00195
4 yr_re_node_append_child [function] [call site] 00196
4 mark_as_not_fast_regexp [function] [call site] 00197
4 yyget_extra [function] [call site] 00198
4 yr_re_node_create [function] [call site] 00199
4 destroy_node_if [function] [call site] 00200
4 fail_if [function] [call site] 00201
4 yr_re_node_append_child [function] [call site] 00202
4 mark_as_not_fast_regexp [function] [call site] 00203
4 yyget_extra [function] [call site] 00204
4 yr_re_node_create [function] [call site] 00205
4 destroy_node_if [function] [call site] 00206
4 fail_if [function] [call site] 00207
4 yr_re_node_append_child [function] [call site] 00208
4 mark_as_not_fast_regexp [function] [call site] 00209
4 yyget_extra [function] [call site] 00210
4 yr_re_node_create [function] [call site] 00211
4 destroy_node_if [function] [call site] 00212
4 fail_if [function] [call site] 00213
4 yr_re_node_append_child [function] [call site] 00214
4 yyget_extra [function] [call site] 00215
4 yr_re_node_create [function] [call site] 00216
4 destroy_node_if [function] [call site] 00217
4 fail_if [function] [call site] 00218
4 mark_as_not_fast_regexp [function] [call site] 00219
4 yr_re_node_create [function] [call site] 00220
4 destroy_node_if [function] [call site] 00221
4 fail_if [function] [call site] 00222
4 yr_re_node_append_child [function] [call site] 00223
4 yyget_extra [function] [call site] 00224
4 yr_re_node_create [function] [call site] 00225
4 destroy_node_if [function] [call site] 00226
4 fail_if [function] [call site] 00227
4 mark_as_not_fast_regexp [function] [call site] 00228
4 yr_re_node_create [function] [call site] 00229
4 destroy_node_if [function] [call site] 00230
4 fail_if [function] [call site] 00231
4 yr_re_node_append_child [function] [call site] 00232
4 yyget_extra [function] [call site] 00233
4 yr_re_node_create [function] [call site] 00234
4 destroy_node_if [function] [call site] 00235
4 fail_if [function] [call site] 00236
4 mark_as_not_fast_regexp [function] [call site] 00237
4 yr_re_node_create [function] [call site] 00238
4 destroy_node_if [function] [call site] 00239
4 fail_if [function] [call site] 00240
4 yr_re_node_append_child [function] [call site] 00241
4 yyget_extra [function] [call site] 00242
4 yr_re_node_create [function] [call site] 00243
4 destroy_node_if [function] [call site] 00244
4 fail_if [function] [call site] 00245
4 mark_as_not_fast_regexp [function] [call site] 00246
4 yr_re_node_create [function] [call site] 00247
4 destroy_node_if [function] [call site] 00248
4 fail_if [function] [call site] 00249
4 yr_re_node_append_child [function] [call site] 00250
4 yr_re_node_create [function] [call site] 00251
4 fail_if [function] [call site] 00252
4 yr_re_node_create [function] [call site] 00253
4 fail_if [function] [call site] 00254
4 yr_re_node_create [function] [call site] 00255
4 fail_if [function] [call site] 00256
4 yr_re_node_create [function] [call site] 00257
4 fail_if [function] [call site] 00258
4 yr_re_node_create [function] [call site] 00259
4 fail_if [function] [call site] 00260
4 yr_re_node_create [function] [call site] 00261
4 fail_if [function] [call site] 00262
4 yr_re_node_create [function] [call site] 00263
4 fail_if [function] [call site] 00264
4 yr_re_node_create [function] [call site] 00265
4 fail_if [function] [call site] 00266
4 yr_re_node_create [function] [call site] 00267
4 fail_if [function] [call site] 00268
4 yr_re_node_create [function] [call site] 00269
4 fail_if [function] [call site] 00270
4 yr_re_node_create [function] [call site] 00271
4 fail_if [function] [call site] 00272
4 yr_re_node_create [function] [call site] 00273
4 fail_if [function] [call site] 00274
4 yr_re_node_create [function] [call site] 00275
4 fail_if [function] [call site] 00276
4 YY_SYMBOL_PRINT [function] [call site] 00277
4 YY_CAST [function] [call site] 00278
4 YYPOPSTACK [function] [call site] 00279
4 YYTRANSLATE [function] [call site] 00280
4 yyerror [function] [call site] 00281
5 strlcpy [function] [call site] 00282
4 YY_ [function] [call site] 00283
4 yydestruct [function] [call site] 00284
5 YY_USE [function] [call site] 00285
5 YY_USE [function] [call site] 00286
5 YY_USE [function] [call site] 00287
5 YY_SYMBOL_PRINT [function] [call site] 00288
5 yr_free [function] [call site] 00289
5 yr_re_node_destroy [function] [call site] 00290
6 yr_re_node_destroy [function] [call site] 00291
6 yr_free [function] [call site] 00292
6 yr_free [function] [call site] 00293
5 yr_re_node_destroy [function] [call site] 00294
5 yr_re_node_destroy [function] [call site] 00295
5 yr_re_node_destroy [function] [call site] 00296
4 YYPOPSTACK [function] [call site] 00297
4 YY_STACK_PRINT [function] [call site] 00298
4 yypact_value_is_default [function] [call site] 00299
4 yydestruct [function] [call site] 00300
4 YY_ACCESSING_SYMBOL [function] [call site] 00301
4 YYPOPSTACK [function] [call site] 00302
4 YY_STACK_PRINT [function] [call site] 00303
4 YY_ACCESSING_SYMBOL [function] [call site] 00304
4 yyerror [function] [call site] 00305
4 YY_ [function] [call site] 00306
4 YYTRANSLATE [function] [call site] 00307
4 yydestruct [function] [call site] 00308
4 YYPOPSTACK [function] [call site] 00309
4 YY_STACK_PRINT [function] [call site] 00310
4 yydestruct [function] [call site] 00311
4 YY_ACCESSING_SYMBOL [function] [call site] 00312
4 YYPOPSTACK [function] [call site] 00313
4 YYSTACK_FREE [function] [call site] 00314
3 yylex_destroy [function] [call site] 00315
4 yy_delete_buffer [function] [call site] 00316
5 yyfree [function] [call site] 00317
6 free [function] [call site] 00318
5 yyfree [function] [call site] 00319
4 yypop_buffer_state [function] [call site] 00320
5 yy_delete_buffer [function] [call site] 00321
5 yy_load_buffer_state [function] [call site] 00322
4 yyfree [function] [call site] 00323
4 yyfree [function] [call site] 00324
4 yy_init_globals [function] [call site] 00325
4 yyfree [function] [call site] 00326
1 yr_compiler_get_rules [function] [call site] 00327
2 assert [function] [call site] 00328
2 FAIL_ON_ERROR [function] [call site] 00329
2 _yr_compiler_compile_rules [function] [call site] 00330
3 FAIL_ON_ERROR [function] [call site] 00331
3 yr_arena_write_data [function] [call site] 00332
3 memset [function] [call site] 00333
3 FAIL_ON_ERROR [function] [call site] 00334
3 yr_arena_write_data [function] [call site] 00335
3 memset [function] [call site] 00336
3 FAIL_ON_ERROR [function] [call site] 00337
3 yr_arena_write_data [function] [call site] 00338
3 FAIL_ON_ERROR [function] [call site] 00339
3 yr_ac_compile [function] [call site] 00340
4 FAIL_ON_ERROR [function] [call site] 00341
4 _yr_ac_create_failure_links [function] [call site] 00342
5 FAIL_ON_ERROR [function] [call site] 00343
5 _yr_ac_queue_push [function] [call site] 00344
6 yr_malloc [function] [call site] 00345
5 _yr_ac_queue_is_empty [function] [call site] 00346
5 _yr_ac_queue_pop [function] [call site] 00347
6 yr_free [function] [call site] 00348
5 yr_arena_ref_to_ptr [function] [call site] 00349
5 yr_arena_ref_to_ptr [function] [call site] 00350
5 FAIL_ON_ERROR [function] [call site] 00351
5 _yr_ac_queue_push [function] [call site] 00352
5 _yr_ac_next_state [function] [call site] 00353
5 YR_ARENA_IS_NULL_REF [function] [call site] 00354
5 yr_arena_ref_to_ptr [function] [call site] 00355
5 assert [function] [call site] 00356
5 yr_arena_ref_to_ptr [function] [call site] 00357
4 FAIL_ON_ERROR [function] [call site] 00358
4 _yr_ac_optimize_failure_links [function] [call site] 00359
5 FAIL_ON_ERROR [function] [call site] 00360
5 _yr_ac_queue_push [function] [call site] 00361
5 _yr_ac_queue_is_empty [function] [call site] 00362
5 _yr_ac_queue_pop [function] [call site] 00363
5 _yr_ac_transitions_subset [function] [call site] 00364
6 memset [function] [call site] 00365
5 FAIL_ON_ERROR [function] [call site] 00366
5 _yr_ac_queue_push [function] [call site] 00367
4 FAIL_ON_ERROR [function] [call site] 00368
4 _yr_ac_build_transition_table [function] [call site] 00369
5 yr_calloc [function] [call site] 00370
5 YR_BITMASK_SIZE [function] [call site] 00371
5 FAIL_ON_ERROR [function] [call site] 00372
5 yr_arena_allocate_zeroed_memory [function] [call site] 00373
6 _yr_arena_allocate_memory [function] [call site] 00374
5 FAIL_ON_ERROR [function] [call site] 00375
5 yr_arena_allocate_zeroed_memory [function] [call site] 00376
5 yr_arena_get_ptr [function] [call site] 00377
5 yr_arena_get_ptr [function] [call site] 00378
5 YR_AC_MAKE_TRANSITION [function] [call site] 00379
5 YR_ARENA_IS_NULL_REF [function] [call site] 00380
5 yr_bitmask_set [function] [call site] 00381
5 YR_AC_MAKE_TRANSITION [function] [call site] 00382
5 yr_bitmask_set [function] [call site] 00383
5 FAIL_ON_ERROR [function] [call site] 00384
5 _yr_ac_queue_push [function] [call site] 00385
5 _yr_ac_queue_is_empty [function] [call site] 00386
5 _yr_ac_queue_pop [function] [call site] 00387
5 FAIL_ON_ERROR [function] [call site] 00388
5 _yr_ac_find_suitable_transition_table_slot [function] [call site] 00389
6 YR_BITMASK_SIZE [function] [call site] 00390
6 yr_bitmask_clear_all [function] [call site] 00391
6 yr_bitmask_set [function] [call site] 00392
6 yr_bitmask_set [function] [call site] 00393
6 yr_bitmask_find_non_colliding_offset [function] [call site] 00394
7 assert [function] [call site] 00395
7 yr_bitmask_is_set [function] [call site] 00396
7 yr_min [function] [call site] 00397
6 assert [function] [call site] 00398
6 FAIL_ON_ERROR [function] [call site] 00399
6 yr_arena_allocate_zeroed_memory [function] [call site] 00400
6 FAIL_ON_ERROR [function] [call site] 00401
6 yr_arena_allocate_zeroed_memory [function] [call site] 00402
6 YR_BITMASK_SIZE [function] [call site] 00403
6 YR_BITMASK_SIZE [function] [call site] 00404
6 yr_realloc [function] [call site] 00405
6 memset [function] [call site] 00406
5 yr_arena_get_ptr [function] [call site] 00407
5 yr_arena_get_ptr [function] [call site] 00408
5 YR_AC_MAKE_TRANSITION [function] [call site] 00409
5 YR_ARENA_IS_NULL_REF [function] [call site] 00410
5 yr_bitmask_set [function] [call site] 00411
5 YR_AC_MAKE_TRANSITION [function] [call site] 00412
5 yr_bitmask_set [function] [call site] 00413
5 FAIL_ON_ERROR [function] [call site] 00414
5 _yr_ac_queue_push [function] [call site] 00415
3 FAIL_ON_ERROR [function] [call site] 00416
3 yr_arena_allocate_struct [function] [call site] 00417
3 yr_arena_ref_to_ptr [function] [call site] 00418
3 yr_rules_from_arena [function] [call site] 00419
4 yr_arena_get_ptr [function] [call site] 00420
4 yr_malloc [function] [call site] 00421
4 yr_calloc [function] [call site] 00422
4 YR_BITMASK_SIZE [function] [call site] 00423
4 yr_free [function] [call site] 00424
4 yr_arena_acquire [function] [call site] 00425
4 yr_arena_get_ptr [function] [call site] 00426
4 yr_arena_get_ptr [function] [call site] 00427
4 yr_arena_get_ptr [function] [call site] 00428
4 yr_arena_get_ptr [function] [call site] 00429
4 yr_arena_get_ptr [function] [call site] 00430
4 yr_arena_get_ptr [function] [call site] 00431
4 yr_arena_get_ptr [function] [call site] 00432
4 yr_bitmask_set [function] [call site] 00433
1 yr_rules_destroy [function] [call site] 00434
2 EXTERNAL_VARIABLE_IS_NULL [function] [call site] 00435
2 yr_free [function] [call site] 00436
2 yr_free [function] [call site] 00437
2 yr_arena_release [function] [call site] 00438
2 yr_free [function] [call site] 00439
1 yr_compiler_destroy [function] [call site] 00440
1 free [function] [call site] 00441