Fuzz introspector: samples/forthsalon/forth.c
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
364 0 EP call site: 00000 forth_parse_string

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 forth_new [function] [call site] 00001
2 new_user_word [function] [call site] 00014
3 forth_code_init [function] [call site] 00020
3 hash_add [function] [call site] 00021
4 hash_add_internal [function] [call site] 00022
5 calc_hash [function] [call site] 00023
6 sha1_init [function] [call site] 00024
6 sha1_finalize [function] [call site] 00064
5 no_tombstone [function] [call site] 00071
5 hash_probe_key [function] [call site] 00072
6 hash_probe_half [function] [call site] 00080
5 struct [call site] 00081
5 struct [call site] 00082
5 __builtin_mul_overflow [function] [call site] 00084
5 hash_probe_tombstone [function] [call site] 00103
6 hash_probe_half_tombstone [function] [call site] 00104
6 hash_probe_half_tombstone [function] [call site] 00106
5 lwan_status_critical [function] [call site] 00107
5 __builtin_unreachable [function] [call site] 00108
2 register_builtins [function] [call site] 00118
3 lwan_status_critical [function] [call site] 00124
3 new_builtin_word [function] [call site] 00125
3 lwan_status_critical [function] [call site] 00126
1 forth_parse_string [function] [call site] 00131
2 found_word [function] [call site] 00136
3 lwan_status_error [function] [call site] 00138
3 lwan_status_error [function] [call site] 00143
3 hash_find [function] [call site] 00146
4 hash_probe [function] [call site] 00148
5 calc_hash [function] [call site] 00149
5 hash_probe_key [function] [call site] 00150
5 no_tombstone [function] [call site] 00151
3 lwan_status_error [function] [call site] 00153
3 is_word_builtin [function] [call site] 00154
3 is_word_compiler [function] [call site] 00155
4 is_word_builtin [function] [call site] 00156
4 SECTION_START_SYMBOL [function] [call site] 00157
4 SECTION_STOP_SYMBOL [function] [call site] 00158
3 struct [call site] 00159
3 lwan_status_error [function] [call site] 00164
3 is_word_builtin [function] [call site] 00165
3 new_user_word [function] [call site] 00166
3 lwan_status_error [function] [call site] 00168
2 is_inside_word_def [function] [call site] 00169
2 lwan_status_error [function] [call site] 00170
2 inline_calls [function] [call site] 00172
3 forth_code_init [function] [call site] 00173
3 inline_calls_code [function] [call site] 00174
4 lwan_status_error [function] [call site] 00175
4 inline_calls_code [function] [call site] 00176
4 forth_code_append [function] [call site] 00177
4 forth_code_len [function] [call site] 00179
4 forth_code_get_elem [function] [call site] 00180
4 forth_code_len [function] [call site] 00182
4 forth_code_get_elem_index [function] [call site] 00183
4 forth_code_len [function] [call site] 00185
4 forth_code_get_elem [function] [call site] 00186
4 forth_code_len [function] [call site] 00188
4 forth_code_get_elem_index [function] [call site] 00189
4 forth_code_append [function] [call site] 00190
3 forth_code_reset [function] [call site] 00191
3 forth_code_reset [function] [call site] 00192
2 peephole [function] [call site] 00193
3 forth_code_init [function] [call site] 00194
3 LWAN_ARRAY_FOREACH [function] [call site] 00195
4 lwan_strbuf_append_printf [function] [call site] 00196
5 lwan_strbuf_append_vprintf [function] [call site] 00198
3 find_builtin_by_callback [function] [call site] 00205
3 forth_code_len [function] [call site] 00206
3 peephole_1 [function] [call site] 00207
4 forth_code_get_elem [function] [call site] 00208
4 forth_code_len [function] [call site] 00209
4 hash_find [function] [call site] 00212
4 is_word_builtin [function] [call site] 00215
4 hash_find [function] [call site] 00216
4 is_word_builtin [function] [call site] 00219
4 find_builtin_by_callback [function] [call site] 00221
4 hash_find [function] [call site] 00223
4 is_word_builtin [function] [call site] 00226
4 hash_find [function] [call site] 00228
4 is_word_builtin [function] [call site] 00231
4 hash_find [function] [call site] 00233
4 is_word_builtin [function] [call site] 00236
4 hash_find [function] [call site] 00237
4 hash_find [function] [call site] 00238
4 is_word_builtin [function] [call site] 00241
4 hash_find [function] [call site] 00242
4 hash_find [function] [call site] 00244
4 is_word_builtin [function] [call site] 00247
4 hash_find [function] [call site] 00248
3 forth_code_len [function] [call site] 00249
3 forth_code_append [function] [call site] 00277
3 forth_code_len [function] [call site] 00279
3 forth_code_get_elem [function] [call site] 00280
3 forth_code_len [function] [call site] 00282
3 forth_code_get_elem_index [function] [call site] 00283
3 forth_code_len [function] [call site] 00285
3 forth_code_get_elem [function] [call site] 00286
3 forth_code_len [function] [call site] 00288
3 forth_code_get_elem_index [function] [call site] 00289
3 forth_code_append [function] [call site] 00290
3 forth_code_reset [function] [call site] 00291
3 forth_code_reset [function] [call site] 00292
3 lwan_status_error [function] [call site] 00293
2 dump_code [function] [call site] 00295
3 forth_code_get_elem_index [function] [call site] 00298
3 forth_code_get_elem_index [function] [call site] 00301
3 forth_code_get_elem_index [function] [call site] 00303
3 lwan_status_critical [function] [call site] 00307
3 __builtin_unreachable [function] [call site] 00308
3 find_builtin_by_callback [function] [call site] 00309
2 check_stack_effects [function] [call site] 00313
3 is_word_builtin [function] [call site] 00315
3 LWAN_ARRAY_FOREACH [function] [call site] 00316
3 lwan_status_error [function] [call site] 00318
3 lwan_status_error [function] [call site] 00328
3 lwan_status_error [function] [call site] 00330
3 lwan_status_critical [function] [call site] 00332
3 __builtin_unreachable [function] [call site] 00333
3 find_builtin_by_callback [function] [call site] 00334
3 lwan_status_critical [function] [call site] 00336
3 __builtin_unreachable [function] [call site] 00337
3 lwan_status_error [function] [call site] 00339
3 lwan_status_error [function] [call site] 00341
3 N_ELEMENTS [function] [call site] 00343
3 lwan_status_error [function] [call site] 00344
3 N_ELEMENTS [function] [call site] 00346
3 lwan_status_error [function] [call site] 00347
3 N_ELEMENTS [function] [call site] 00349
3 lwan_status_error [function] [call site] 00350
3 N_ELEMENTS [function] [call site] 00352
3 lwan_status_error [function] [call site] 00353
3 lwan_status_error [function] [call site] 00355
3 lwan_status_error [function] [call site] 00357
1 forth_free [function] [call site] 00358
1 forth_run [function] [call site] 00361
2 forth_code_get_elem [function] [call site] 00362
2 find_builtin_by_callback [function] [call site] 00363
1 forth_free [function] [call site] 00364