Fuzz introspector: fuzz_dostring
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
337 54 LLVMFuzzerTestOneInput call site: {node_id} janet_pretty_one
47 1 LLVMFuzzerTestOneInput call site: {node_id} janet_ev_init
23 394 LLVMFuzzerTestOneInput call site: {node_id} janet_clear_memory
3 49 LLVMFuzzerTestOneInput call site: {node_id} pushstate

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 janet_init [function] [call site] 00001
2 janet_symcache_init [function] [call site] 00002
3 calloc [call site] 00003
3 fprintf [call site] 00004
2 janet_table [function] [call site] 00005
3 janet_gcalloc [function] [call site] 00006
4 fprintf [call site] 00007
4 fprintf [call site] 00008
3 janet_table_init_impl [function] [call site] 00009
4 janet_tablen [function] [call site] 00010
4 janet_memalloc_empty_local [function] [call site] 00011
5 janet_smalloc [function] [call site] 00012
6 fprintf [call site] 00013
6 realloc [call site] 00014
6 fprintf [call site] 00015
4 janet_memalloc_empty [function] [call site] 00016
5 fprintf [call site] 00017
4 fprintf [call site] 00018
2 janet_nanbox_from_pointer [function] [call site] 00019
2 janet_gcroot [function] [call site] 00020
3 realloc [call site] 00021
3 fprintf [call site] 00022
2 janet_rng_seed [function] [call site] 00023
3 janet_rng_u32 [function] [call site] 00024
2 janet_ev_init [function] [call site] 00025
3 janet_ev_init_common [function] [call site] 00026
4 janet_q_init [function] [call site] 00027
4 janet_table_init_raw [function] [call site] 00028
5 janet_table_init_impl [function] [call site] 00029
4 janet_table_init_raw [function] [call site] 00030
4 janet_rng_seed [function] [call site] 00031
4 pthread_attr_init [call site] 00032
4 pthread_attr_setdetachstate [call site] 00033
3 janet_ev_setup_selfpipe [function] [call site] 00034
4 janet_make_pipe [function] [call site] 00035
5 pipe [call site] 00036
5 fcntl [call site] 00037
5 fcntl [call site] 00038
5 fcntl [call site] 00039
5 fcntl [call site] 00040
5 close [call site] 00041
5 close [call site] 00042
4 fprintf [call site] 00043
3 epoll_create1 [call site] 00044
3 timerfd_create [call site] 00045
3 epoll_ctl [call site] 00046
3 epoll_ctl [call site] 00047
3 fprintf [call site] 00048
1 janet_parser_init [function] [call site] 00049
2 pushstate [function] [call site] 00050
3 _pushstate [function] [call site] 00051
4 realloc [call site] 00052
1 janet_parser_status [function] [call site] 00053
1 janet_parser_consume [function] [call site] 00054
2 janet_parser_checkdead [function] [call site] 00055
3 janet_panic [function] [call site] 00056
4 janet_cstring [function] [call site] 00057
5 strlen [call site] 00058
5 janet_string [function] [call site] 00059
6 janet_gcalloc [function] [call site] 00060
6 janet_string_calchash [function] [call site] 00061
6 safe_memcpy [function] [call site] 00062
4 janet_nanbox_from_cpointer [function] [call site] 00063
4 janet_panicv [function] [call site] 00064
5 janet_signalv [function] [call site] 00065
6 longjmp [call site] 00066
6 janet_formatc [function] [call site] 00067
7 janet_buffer_init [function] [call site] 00068
8 janet_buffer_init_impl [function] [call site] 00069
9 janet_gcpressure [function] [call site] 00070
9 fprintf [call site] 00071
7 janet_formatbv [function] [call site] 00072
8 strlen [call site] 00073
8 janet_buffer_push_u8 [function] [call site] 00074
9 janet_buffer_extra [function] [call site] 00075
10 janet_panic [function] [call site] 00076
10 janet_buffer_can_realloc [function] [call site] 00077
11 janet_panic [function] [call site] 00078
10 realloc [call site] 00079
10 janet_gcpressure [function] [call site] 00080
10 fprintf [call site] 00081
8 janet_buffer_push_u8 [function] [call site] 00082
8 scanformat [function] [call site] 00083
9 janet_panic [function] [call site] 00084
9 __ctype_b_loc [call site] 00085
9 janet_panic [function] [call site] 00086
9 memchr [call site] 00087
9 get_fmt_mapping [function] [call site] 00088
10 fprintf [call site] 00089
9 strlen [call site] 00090
9 strcpy [call site] 00091
8 snprintf [call site] 00092
8 snprintf [call site] 00093
8 snprintf [call site] 00094
8 snprintf [call site] 00095
8 strlen [call site] 00096
8 janet_buffer_push_bytes [function] [call site] 00097
9 janet_buffer_extra [function] [call site] 00098
8 strlen [call site] 00099
8 janet_panic [function] [call site] 00100
8 strchr [call site] 00101
8 janet_panic [function] [call site] 00102
8 snprintf [call site] 00103
8 janet_to_string_b [function] [call site] 00104
9 janet_buffer_push_cstring [function] [call site] 00105
10 janet_buffer_push_bytes [function] [call site] 00106
9 janet_buffer_push_cstring [function] [call site] 00107
9 number_to_string_b [function] [call site] 00108
10 janet_buffer_ensure [function] [call site] 00109
11 janet_buffer_can_realloc [function] [call site] 00110
11 janet_gcpressure [function] [call site] 00111
11 realloc [call site] 00112
11 fprintf [call site] 00113
10 snprintf [call site] 00114
9 janet_nanbox_to_pointer [function] [call site] 00115
9 janet_buffer_push_bytes [function] [call site] 00116
9 janet_nanbox_to_pointer [function] [call site] 00117
9 janet_buffer_extra [function] [call site] 00118
9 janet_buffer_push_bytes [function] [call site] 00119
9 janet_nanbox_to_pointer [function] [call site] 00120
9 string_description_b [function] [call site] 00121
10 janet_buffer_ensure [function] [call site] 00122
9 janet_nanbox_to_pointer [function] [call site] 00123
9 janet_registry_get [function] [call site] 00124
10 janet_registry_sort [function] [call site] 00125
9 janet_buffer_push_cstring [function] [call site] 00126
9 janet_buffer_push_cstring [function] [call site] 00127
9 janet_buffer_push_u8 [function] [call site] 00128
9 janet_buffer_push_cstring [function] [call site] 00129
9 janet_buffer_push_u8 [function] [call site] 00130
9 janet_nanbox_to_pointer [function] [call site] 00131
9 janet_buffer_push_cstring [function] [call site] 00132
9 janet_buffer_push_bytes [function] [call site] 00133
9 janet_buffer_push_u8 [function] [call site] 00134
9 janet_nanbox_to_pointer [function] [call site] 00135
9 string_description_b [function] [call site] 00136
8 janet_description_b [function] [call site] 00137
9 janet_buffer_push_cstring [function] [call site] 00138
9 janet_buffer_push_u8 [function] [call site] 00139
9 janet_nanbox_to_pointer [function] [call site] 00140
9 janet_escape_string_b [function] [call site] 00141
10 janet_escape_string_impl [function] [call site] 00142
11 janet_buffer_push_u8 [function] [call site] 00143
11 janet_buffer_push_u8 [function] [call site] 00144
11 janet_buffer_push_bytes [function] [call site] 00145
11 janet_buffer_push_bytes [function] [call site] 00146
11 janet_buffer_push_bytes [function] [call site] 00147
11 janet_buffer_push_bytes [function] [call site] 00148
11 janet_buffer_push_bytes [function] [call site] 00149
11 janet_buffer_push_bytes [function] [call site] 00150
11 janet_buffer_push_bytes [function] [call site] 00151
11 janet_buffer_push_bytes [function] [call site] 00152
11 janet_buffer_push_bytes [function] [call site] 00153
11 janet_buffer_push_bytes [function] [call site] 00154
11 janet_buffer_push_u8 [function] [call site] 00155
9 janet_nanbox_to_pointer [function] [call site] 00156
9 janet_escape_buffer_b [function] [call site] 00157
10 janet_buffer_ensure [function] [call site] 00158
10 janet_buffer_push_u8 [function] [call site] 00159
10 janet_escape_string_impl [function] [call site] 00160
9 janet_nanbox_to_pointer [function] [call site] 00161
9 janet_buffer_push_cstring [function] [call site] 00162
9 janet_buffer_push_cstring [function] [call site] 00163
9 janet_buffer_push_cstring [function] [call site] 00164
9 janet_buffer_push_cstring [function] [call site] 00165
9 string_description_b [function] [call site] 00166
9 janet_to_string_b [function] [call site] 00167
8 typestr [function] [call site] 00168
9 janet_nanbox_to_pointer [function] [call site] 00169
8 janet_buffer_push_cstring [function] [call site] 00170
8 pushtypes [function] [call site] 00171
9 janet_buffer_push_cstring [function] [call site] 00172
9 janet_buffer_push_cstring [function] [call site] 00173
8 atoi [function] [call site] 00174
9 strtol [call site] 00175
8 janet_pretty_ [function] [call site] 00176
9 janet_buffer [function] [call site] 00177
10 janet_gcalloc [function] [call site] 00178
10 janet_buffer_init_impl [function] [call site] 00179
9 janet_table_init [function] [call site] 00180
10 janet_table_init_impl [function] [call site] 00181
9 janet_pretty_one [function] [call site] 00182
10 janet_table_get [function] [call site] 00183
11 janet_table_find [function] [call site] 00184
12 janet_dict_find [function] [call site] 00185
13 janet_hash [function] [call site] 00186
14 janet_nanbox_to_pointer [function] [call site] 00187
14 janet_nanbox_to_pointer [function] [call site] 00188
14 janet_nanbox_to_pointer [function] [call site] 00189
14 janet_nanbox_to_pointer [function] [call site] 00190
14 murmur64 [function] [call site] 00191
13 janet_equals [function] [call site] 00192
14 janet_nanbox_to_pointer [function] [call site] 00193
14 janet_string_equal [function] [call site] 00194
15 janet_string_equalconst [function] [call site] 00195
16 memcmp [call site] 00196
14 janet_nanbox_to_pointer [function] [call site] 00197
14 janet_compare_abstract [function] [call site] 00198
14 janet_nanbox_to_pointer [function] [call site] 00199
14 janet_nanbox_to_pointer [function] [call site] 00200
14 janet_nanbox_to_pointer [function] [call site] 00201
14 push_traversal_node [function] [call site] 00202
15 realloc [call site] 00203
15 fprintf [call site] 00204
14 janet_nanbox_to_pointer [function] [call site] 00205
14 janet_nanbox_to_pointer [function] [call site] 00206
14 push_traversal_node [function] [call site] 00207
14 traversal_next [function] [call site] 00208
15 janet_nanbox_from_cpointer [function] [call site] 00209
15 janet_nanbox_from_cpointer [function] [call site] 00210
13 janet_equals [function] [call site] 00211
10 janet_buffer_push_cstring [function] [call site] 00212
10 janet_buffer_push_cstring [function] [call site] 00213
10 integer_to_string_b [function] [call site] 00214
11 janet_buffer_extra [function] [call site] 00215
11 count_dig10 [function] [call site] 00216
10 janet_buffer_push_u8 [function] [call site] 00217
10 janet_buffer_push_cstring [function] [call site] 00218
10 janet_nanbox_from_double [function] [call site] 00219
10 janet_table_put [function] [call site] 00220
11 janet_table_remove [function] [call site] 00221
12 janet_table_find [function] [call site] 00222
11 janet_table_find [function] [call site] 00223
11 janet_tablen [function] [call site] 00224
11 janet_table_rehash [function] [call site] 00225
12 janet_memalloc_empty_local [function] [call site] 00226
12 janet_memalloc_empty [function] [call site] 00227
12 fprintf [call site] 00228
12 janet_table_find [function] [call site] 00229
11 janet_table_find [function] [call site] 00230
10 janet_buffer_push_cstring [function] [call site] 00231
10 janet_nanbox_to_pointer [function] [call site] 00232
10 janet_buffer_ensure [function] [call site] 00233
10 janet_buffer_push_u8 [function] [call site] 00234
10 janet_escape_string_impl [function] [call site] 00235
10 janet_description_b [function] [call site] 00236
10 janet_buffer_push_cstring [function] [call site] 00237
10 janet_indexed_view [function] [call site] 00238
11 janet_nanbox_to_pointer [function] [call site] 00239
11 janet_nanbox_to_pointer [function] [call site] 00240
10 janet_buffer_push_cstring [function] [call site] 00241
10 janet_buffer_push_cstring [function] [call site] 00242
10 janet_buffer_push_u8 [function] [call site] 00243
10 print_newline [function] [call site] 00244
11 janet_buffer_push_u8 [function] [call site] 00245
11 janet_buffer_push_u8 [function] [call site] 00246
11 janet_buffer_push_u8 [function] [call site] 00247
10 print_newline [function] [call site] 00248
10 janet_pretty_one [function] [call site] 00249
11 print_newline [function] [call site] 00250
11 janet_buffer_push_cstring [function] [call site] 00251
11 print_newline [function] [call site] 00252
11 janet_pretty_one [function] [call site] 00253
12 print_newline [function] [call site] 00254
12 janet_pretty_one [function] [call site] 00255
13 janet_buffer_push_u8 [function] [call site] 00256
13 janet_nanbox_to_pointer [function] [call site] 00257
13 janet_buffer_push_cstring [function] [call site] 00258
13 janet_csymbol [function] [call site] 00259
14 strlen [call site] 00260
14 janet_symbol [function] [call site] 00261
15 janet_string_calchash [function] [call site] 00262
15 janet_symcache_findmem [function] [call site] 00263
16 janet_string_equalconst [function] [call site] 00264
15 janet_gcalloc [function] [call site] 00265
15 safe_memcpy [function] [call site] 00266
15 janet_symcache_put [function] [call site] 00267
16 janet_tablen [function] [call site] 00268
16 janet_cache_resize [function] [call site] 00269
17 calloc [call site] 00270
17 fprintf [call site] 00271
17 janet_symcache_findmem [function] [call site] 00272
16 janet_symcache_findmem [function] [call site] 00273
13 janet_nanbox_from_cpointer [function] [call site] 00274
13 janet_table_get [function] [call site] 00275
13 janet_bytes_view [function] [call site] 00276
14 janet_nanbox_to_pointer [function] [call site] 00277
14 janet_nanbox_to_pointer [function] [call site] 00278
14 janet_nanbox_to_pointer [function] [call site] 00279
13 janet_buffer_push_cstring [function] [call site] 00280
13 janet_buffer_push_bytes [function] [call site] 00281
13 janet_buffer_push_cstring [function] [call site] 00282
13 janet_nanbox_to_pointer [function] [call site] 00283
13 janet_csymbol [function] [call site] 00284
13 janet_nanbox_from_cpointer [function] [call site] 00285
13 janet_struct_get [function] [call site] 00286
14 janet_struct_find [function] [call site] 00287
15 janet_hash [function] [call site] 00288
15 janet_equals [function] [call site] 00289
15 janet_equals [function] [call site] 00290
13 janet_bytes_view [function] [call site] 00291
13 janet_buffer_push_cstring [function] [call site] 00292
13 janet_buffer_push_bytes [function] [call site] 00293
13 janet_buffer_push_cstring [function] [call site] 00294
13 janet_buffer_push_cstring [function] [call site] 00295
13 janet_buffer_push_cstring [function] [call site] 00296
13 janet_dictionary_view [function] [call site] 00297
14 janet_nanbox_to_pointer [function] [call site] 00298
14 janet_nanbox_to_pointer [function] [call site] 00299
13 janet_buffer_push_u8 [function] [call site] 00300
13 print_newline [function] [call site] 00301
13 janet_srealloc [function] [call site] 00302
14 janet_smalloc [function] [call site] 00303
14 janet_mem2scratch [function] [call site] 00304
14 realloc [call site] 00305
14 fprintf [call site] 00306
14 fprintf [call site] 00307
13 fprintf [call site] 00308
13 janet_sorted_keys [function] [call site] 00309
14 janet_compare [function] [call site] 00310
15 janet_nanbox_to_pointer [function] [call site] 00311
15 janet_string_compare [function] [call site] 00312
16 memcmp [call site] 00313
15 janet_nanbox_to_pointer [function] [call site] 00314
15 janet_compare_abstract [function] [call site] 00315
15 janet_nanbox_to_pointer [function] [call site] 00316
15 janet_nanbox_to_pointer [function] [call site] 00317
15 janet_nanbox_to_pointer [function] [call site] 00318
15 push_traversal_node [function] [call site] 00319
15 janet_nanbox_to_pointer [function] [call site] 00320
15 janet_nanbox_to_pointer [function] [call site] 00321
15 push_traversal_node [function] [call site] 00322
15 traversal_next [function] [call site] 00323
13 print_newline [function] [call site] 00324
13 janet_pretty_one [function] [call site] 00325
14 janet_buffer_push_u8 [function] [call site] 00326
14 janet_pretty_one [function] [call site] 00327
15 print_newline [function] [call site] 00328
15 janet_buffer_push_cstring [function] [call site] 00329
15 janet_buffer_push_u8 [function] [call site] 00330
15 janet_table_remove [function] [call site] 00331
9 janet_table_deinit [function] [call site] 00332
10 janet_sfree [function] [call site] 00333
11 janet_mem2scratch [function] [call site] 00334
11 free_one_scratch [function] [call site] 00335
11 fprintf [call site] 00336
8 atoi [function] [call site] 00337
8 janet_jdn_ [function] [call site] 00338
9 janet_buffer [function] [call site] 00339
9 janet_table_init [function] [call site] 00340
9 print_jdn_one [function] [call site] 00341
10 janet_description_b [function] [call site] 00342
10 janet_buffer_ensure [function] [call site] 00343
10 snprintf [call site] 00344
10 janet_nanbox_to_pointer [function] [call site] 00345
10 contains_bad_chars [function] [call site] 00346
11 janet_valid_utf8 [function] [call site] 00347
11 janet_is_symbol_char [function] [call site] 00348
10 janet_description_b [function] [call site] 00349
10 janet_nanbox_to_pointer [function] [call site] 00350
10 janet_buffer_push_u8 [function] [call site] 00351
10 janet_buffer_push_u8 [function] [call site] 00352
10 print_jdn_one [function] [call site] 00353
11 janet_buffer_push_u8 [function] [call site] 00354
11 janet_table_put [function] [call site] 00355
11 janet_nanbox_to_pointer [function] [call site] 00356
11 janet_buffer_push_cstring [function] [call site] 00357
11 janet_buffer_push_u8 [function] [call site] 00358
11 print_jdn_one [function] [call site] 00359
12 janet_buffer_push_u8 [function] [call site] 00360
12 janet_table_put [function] [call site] 00361
12 janet_nanbox_to_pointer [function] [call site] 00362
12 janet_buffer_push_cstring [function] [call site] 00363
12 janet_buffer_push_u8 [function] [call site] 00364
12 print_jdn_one [function] [call site] 00365
13 janet_buffer_push_u8 [function] [call site] 00366
13 print_jdn_one [function] [call site] 00367
14 janet_buffer_push_u8 [function] [call site] 00368
14 janet_buffer_push_u8 [function] [call site] 00369
14 janet_buffer_push_u8 [function] [call site] 00370
14 print_jdn_one [function] [call site] 00371
15 janet_buffer_push_u8 [function] [call site] 00372
15 print_jdn_one [function] [call site] 00373
16 janet_buffer_push_u8 [function] [call site] 00374
9 janet_table_deinit [function] [call site] 00375
9 janet_panic [function] [call site] 00376
8 janet_panicf [function] [call site] 00377
9 janet_buffer_init [function] [call site] 00378
9 janet_formatbv [function] [call site] 00379
10 janet_panic [function] [call site] 00380
10 janet_buffer_push_bytes [function] [call site] 00381
9 janet_string [function] [call site] 00382
9 janet_buffer_deinit [function] [call site] 00383
9 janet_panics [function] [call site] 00384
10 janet_nanbox_from_cpointer [function] [call site] 00385
10 janet_panicv [function] [call site] 00386
7 janet_string [function] [call site] 00387
7 janet_buffer_deinit [function] [call site] 00388
6 janet_top_level_signal [function] [call site] 00389
7 pthread_exit [call site] 00390
3 janet_panic [function] [call site] 00391
1 janet_parser_consume [function] [call site] 00392
1 janet_parser_deinit [function] [call site] 00393
1 janet_deinit [function] [call site] 00394
2 janet_clear_memory [function] [call site] 00395
3 janet_nanbox_to_pointer [function] [call site] 00396
3 janet_abstract_decref [function] [call site] 00397
4 janet_decref [function] [call site] 00398
3 fprintf [call site] 00399
3 janet_deinit_block [function] [call site] 00400
4 janet_symbol_deinit [function] [call site] 00401
5 janet_symcache_findmem [function] [call site] 00402
4 fprintf [call site] 00403
3 janet_free_all_scratch [function] [call site] 00404
4 free_one_scratch [function] [call site] 00405
2 janet_symcache_deinit [function] [call site] 00406
2 janet_ev_deinit [function] [call site] 00407
3 janet_ev_deinit_common [function] [call site] 00408
4 janet_q_deinit [function] [call site] 00409
4 janet_table_deinit [function] [call site] 00410
4 janet_table_deinit [function] [call site] 00411
4 pthread_attr_destroy [call site] 00412
3 close [call site] 00413
3 close [call site] 00414
3 janet_ev_cleanup_selfpipe [function] [call site] 00415
4 close [call site] 00416
4 close [call site] 00417