Fuzz introspector: parse_fuzzer
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
402 0 EP call site: 00000 gumbo_parse_with_options

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 gumbo_parse_with_options [function] [call site] 00001
2 output_init [function] [call site] 00002
3 gumbo_alloc [function] [call site] 00003
4 perror [call site] 00004
4 abort [call site] 00005
3 new_document_node [function] [call site] 00006
4 create_node [function] [call site] 00007
5 gumbo_alloc [function] [call site] 00008
4 gumbo_vector_init [function] [call site] 00009
5 gumbo_alloc [function] [call site] 00010
3 gumbo_init_errors [function] [call site] 00011
4 gumbo_vector_init [function] [call site] 00012
2 gumbo_tokenizer_state_init [function] [call site] 00013
3 gumbo_alloc [function] [call site] 00014
3 gumbo_tokenizer_set_state [function] [call site] 00015
3 gumbo_string_buffer_init [function] [call site] 00016
4 gumbo_alloc [function] [call site] 00017
3 mark_tag_state_as_empty [function] [call site] 00018
3 utf8iterator_init [function] [call site] 00019
4 read_char [function] [call site] 00020
5 decode [function] [call site] 00021
5 __assert_fail [call site] 00022
5 utf8_is_surrogate [function] [call site] 00023
5 add_error [function] [call site] 00024
6 gumbo_add_error [function] [call site] 00025
7 gumbo_alloc [function] [call site] 00026
7 gumbo_vector_add [function] [call site] 00027
8 enlarge_vector_if_full [function] [call site] 00028
9 gumbo_realloc [function] [call site] 00029
10 realloc [call site] 00030
10 perror [call site] 00031
10 abort [call site] 00032
9 gumbo_alloc [function] [call site] 00033
8 __assert_fail [call site] 00034
8 __assert_fail [call site] 00035
5 utf8_is_noncharacter [function] [call site] 00036
5 add_error [function] [call site] 00037
5 utf8_is_control [function] [call site] 00038
5 gumbo_ascii_isspace [function] [call site] 00039
6 gumbo_ascii_isascii [function] [call site] 00040
5 add_error [function] [call site] 00041
5 add_error [function] [call site] 00042
5 add_error [function] [call site] 00043
4 read_char [function] [call site] 00044
3 utf8iterator_get_position [function] [call site] 00045
3 utf8iterator_get_char_pointer [function] [call site] 00046
3 doc_type_state_init [function] [call site] 00047
2 parser_state_init [function] [call site] 00048
3 gumbo_alloc [function] [call site] 00049
3 gumbo_string_buffer_init [function] [call site] 00050
3 gumbo_character_token_buffer_init [function] [call site] 00051
3 gumbo_vector_init [function] [call site] 00052
3 gumbo_vector_init [function] [call site] 00053
3 gumbo_vector_init [function] [call site] 00054
2 fragment_parser_init [function] [call site] 00055
3 __assert_fail [call site] 00056
3 get_document_node [function] [call site] 00057
3 create_fragment_ctx_element [function] [call site] 00058
4 __assert_fail [call site] 00059
4 strlen [call site] 00060
4 gumbo_tagn_enum [function] [call site] 00061
5 gumbo_tag_lookup [function] [call site] 00062
6 hash [function] [call site] 00063
6 gumbo_ascii_strncasecmp [function] [call site] 00064
7 gumbo_ascii_tolower [function] [call site] 00065
8 gumbo_ascii_isupper [function] [call site] 00066
7 gumbo_ascii_tolower [function] [call site] 00067
4 create_node [function] [call site] 00068
4 gumbo_vector_init [function] [call site] 00069
4 gumbo_alloc [function] [call site] 00070
4 gumbo_vector_add [function] [call site] 00071
3 gumbo_tokenizer_set_state [function] [call site] 00072
3 gumbo_tokenizer_set_state [function] [call site] 00073
3 gumbo_tokenizer_set_state [function] [call site] 00074
3 gumbo_tokenizer_set_state [function] [call site] 00075
3 gumbo_tokenizer_set_state [function] [call site] 00076
3 insert_element_of_tag_type [function] [call site] 00077
4 create_element [function] [call site] 00078
5 __assert_fail [call site] 00079
5 create_node [function] [call site] 00080
5 gumbo_vector_init [function] [call site] 00081
5 gumbo_vector_init [function] [call site] 00082
5 gumbo_normalized_tagname [function] [call site] 00083
6 __assert_fail [call site] 00084
6 __assert_fail [call site] 00085
4 insert_element [function] [call site] 00086
5 maybe_flush_text_node_buffer [function] [call site] 00087
6 __assert_fail [call site] 00088
6 create_node [function] [call site] 00089
6 gumbo_string_buffer_to_string [function] [call site] 00090
7 gumbo_alloc [function] [call site] 00091
6 gumbo_debug [function] [call site] 00092
6 get_appropriate_insertion_location [function] [call site] 00093
7 get_current_node [function] [call site] 00094
8 __assert_fail [call site] 00095
8 __assert_fail [call site] 00096
8 __assert_fail [call site] 00097
7 get_document_node [function] [call site] 00098
7 node_tag_in_set [function] [call site] 00099
8 __assert_fail [call site] 00100
8 tagset_includes [function] [call site] 00101
7 node_html_tag_is [function] [call site] 00102
8 node_qualified_tag_is [function] [call site] 00103
9 __assert_fail [call site] 00104
9 __assert_fail [call site] 00105
9 __assert_fail [call site] 00106
7 node_html_tag_is [function] [call site] 00107
6 destroy_node [function] [call site] 00108
7 tree_traverse [function] [call site] 00109
8 __assert_fail [call site] 00110
8 __assert_fail [call site] 00111
7 destroy_node_callback [function] [call site] 00112
8 gumbo_free [function] [call site] 00113
8 gumbo_free [function] [call site] 00114
8 gumbo_free [function] [call site] 00115
8 gumbo_free [function] [call site] 00116
8 gumbo_destroy_attribute [function] [call site] 00117
9 gumbo_free [function] [call site] 00118
9 gumbo_free [function] [call site] 00119
9 gumbo_free [function] [call site] 00120
8 gumbo_free [function] [call site] 00121
8 gumbo_free [function] [call site] 00122
8 gumbo_free [function] [call site] 00123
8 gumbo_free [function] [call site] 00124
8 gumbo_free [function] [call site] 00125
6 insert_node [function] [call site] 00126
7 __assert_fail [call site] 00127
7 __assert_fail [call site] 00128
7 __assert_fail [call site] 00129
7 __assert_fail [call site] 00130
7 __assert_fail [call site] 00131
7 __assert_fail [call site] 00132
7 gumbo_vector_insert_at [function] [call site] 00133
8 __assert_fail [call site] 00134
8 enlarge_vector_if_full [function] [call site] 00135
7 __assert_fail [call site] 00136
7 __assert_fail [call site] 00137
7 append_node [function] [call site] 00138
8 __assert_fail [call site] 00139
8 __assert_fail [call site] 00140
8 __assert_fail [call site] 00141
8 gumbo_vector_add [function] [call site] 00142
8 __assert_fail [call site] 00143
6 gumbo_string_buffer_clear [function] [call site] 00144
6 __assert_fail [call site] 00145
5 get_appropriate_insertion_location [function] [call site] 00146
5 insert_node [function] [call site] 00147
5 gumbo_vector_add [function] [call site] 00148
4 gumbo_normalized_tagname [function] [call site] 00149
4 gumbo_debug [function] [call site] 00150
3 push_template_insertion_mode [function] [call site] 00151
4 gumbo_vector_add [function] [call site] 00152
3 reset_insertion_mode_appropriately [function] [call site] 00153
4 get_appropriate_insertion_mode [function] [call site] 00154
5 is_fragment_parser [function] [call site] 00155
5 __assert_fail [call site] 00156
5 node_html_tag_is [function] [call site] 00157
5 node_html_tag_is [function] [call site] 00158
5 get_current_template_insertion_mode [function] [call site] 00159
4 set_insertion_mode [function] [call site] 00160
4 __assert_fail [call site] 00161
2 gumbo_debug [function] [call site] 00162
2 get_adjusted_current_node [function] [call site] 00163
3 get_current_node [function] [call site] 00164
2 gumbo_tokenizer_set_is_adjusted_current_node_foreign [function] [call site] 00165
3 gumbo_debug [function] [call site] 00166
2 gumbo_debug [function] [call site] 00167
2 gumbo_lex [function] [call site] 00168
3 emit_char [function] [call site] 00169
4 get_char_token_type [function] [call site] 00170
5 gumbo_debug [function] [call site] 00171
4 finish_token [function] [call site] 00172
5 utf8iterator_next [function] [call site] 00173
6 update_position [function] [call site] 00174
6 read_char [function] [call site] 00175
5 reset_token_start_point [function] [call site] 00176
6 utf8iterator_get_char_pointer [function] [call site] 00177
6 utf8iterator_get_position [function] [call site] 00178
3 maybe_emit_from_mark [function] [call site] 00179
4 utf8iterator_get_char_pointer [function] [call site] 00180
4 __assert_fail [call site] 00181
4 utf8iterator_current [function] [call site] 00182
4 emit_char [function] [call site] 00183
3 __assert_fail [call site] 00184
3 __assert_fail [call site] 00185
3 utf8iterator_current [function] [call site] 00186
3 gumbo_debug [function] [call site] 00187
3 utf8iterator_next [function] [call site] 00188
2 gumbo_normalized_tagname [function] [call site] 00189
2 gumbo_normalized_tagname [function] [call site] 00190
2 gumbo_debug [function] [call site] 00191
2 handle_token [function] [call site] 00192
3 ignore_token [function] [call site] 00193
4 gumbo_debug [function] [call site] 00194
4 gumbo_token_destroy [function] [call site] 00195
5 gumbo_free [function] [call site] 00196
5 gumbo_free [function] [call site] 00197
5 gumbo_free [function] [call site] 00198
5 gumbo_destroy_attribute [function] [call site] 00199
5 gumbo_free [function] [call site] 00200
5 gumbo_free [function] [call site] 00201
5 gumbo_free [function] [call site] 00202
5 gumbo_free [function] [call site] 00203
3 tag_is [function] [call site] 00204
3 tag_is [function] [call site] 00205
3 get_adjusted_current_node [function] [call site] 00206
3 __assert_fail [call site] 00207
3 gumbo_debug [function] [call site] 00208
3 is_mathml_integration_point [function] [call site] 00209
4 node_tag_in_set [function] [call site] 00210
3 tag_in [function] [call site] 00211
3 node_qualified_tag_is [function] [call site] 00212
3 tag_is [function] [call site] 00213
3 is_html_integration_point [function] [call site] 00214
4 node_tag_in_set [function] [call site] 00215
4 node_qualified_tag_is [function] [call site] 00216
4 attribute_matches [function] [call site] 00217
5 gumbo_get_attribute [function] [call site] 00218
6 gumbo_ascii_strcasecmp [function] [call site] 00219
7 gumbo_ascii_tolower [function] [call site] 00220
7 gumbo_ascii_tolower [function] [call site] 00221
5 gumbo_ascii_strcasecmp [function] [call site] 00222
4 attribute_matches [function] [call site] 00223
3 handle_html_content [function] [call site] 00224
3 handle_in_foreign_content [function] [call site] 00225
4 gumbo_debug [function] [call site] 00226
4 parser_add_parse_error [function] [call site] 00227
5 gumbo_debug [function] [call site] 00228
5 gumbo_add_error [function] [call site] 00229
5 gumbo_strdup [function] [call site] 00230
6 strlen [call site] 00231
6 gumbo_alloc [function] [call site] 00232
5 gumbo_strdup [function] [call site] 00233
5 gumbo_vector_init [function] [call site] 00234
5 __assert_fail [call site] 00235
5 gumbo_strdup [function] [call site] 00236
5 gumbo_vector_add [function] [call site] 00237
4 insert_text_token [function] [call site] 00238
5 __assert_fail [call site] 00239
5 gumbo_string_buffer_append_codepoint [function] [call site] 00240
6 maybe_resize_string_buffer [function] [call site] 00241
7 gumbo_realloc [function] [call site] 00242
5 gumbo_debug [function] [call site] 00243
4 insert_text_token [function] [call site] 00244
4 insert_text_token [function] [call site] 00245
4 set_frameset_not_ok [function] [call site] 00246
5 gumbo_debug [function] [call site] 00247
4 get_current_node [function] [call site] 00248
4 append_comment_node [function] [call site] 00249
5 maybe_flush_text_node_buffer [function] [call site] 00250
5 create_node [function] [call site] 00251
5 append_node [function] [call site] 00252
4 parser_add_parse_error [function] [call site] 00253
4 ignore_token [function] [call site] 00254
4 tag_in [function] [call site] 00255
4 tag_is [function] [call site] 00256
4 token_has_attribute [function] [call site] 00257
5 __assert_fail [call site] 00258
5 gumbo_get_attribute [function] [call site] 00259
4 token_has_attribute [function] [call site] 00260
4 token_has_attribute [function] [call site] 00261
4 tag_in [function] [call site] 00262
4 parser_add_parse_error [function] [call site] 00263
4 get_current_node [function] [call site] 00264
4 is_mathml_integration_point [function] [call site] 00265
4 get_current_node [function] [call site] 00266
4 is_html_integration_point [function] [call site] 00267
4 get_current_node [function] [call site] 00268
4 pop_current_node [function] [call site] 00269
5 maybe_flush_text_node_buffer [function] [call site] 00270
5 node_html_tag_is [function] [call site] 00271
5 __assert_fail [call site] 00272
5 get_current_node [function] [call site] 00273
5 gumbo_normalized_tagname [function] [call site] 00274
5 gumbo_debug [function] [call site] 00275
5 gumbo_vector_pop [function] [call site] 00276
5 __assert_fail [call site] 00277
5 __assert_fail [call site] 00278
5 node_html_tag_is [function] [call site] 00279
5 node_html_tag_is [function] [call site] 00280
5 node_qualified_tagname_is [function] [call site] 00281
6 __assert_fail [call site] 00282
6 __assert_fail [call site] 00283
6 __assert_fail [call site] 00284
6 __assert_fail [call site] 00285
6 __assert_fail [call site] 00286
6 gumbo_ascii_strcasecmp [function] [call site] 00287
5 record_end_of_element [function] [call site] 00288
4 handle_html_content [function] [call site] 00289
4 get_adjusted_current_node [function] [call site] 00290
4 adjust_mathml_attributes [function] [call site] 00291
5 __assert_fail [call site] 00292
5 gumbo_get_attribute [function] [call site] 00293
5 gumbo_free [function] [call site] 00294
5 gumbo_strdup [function] [call site] 00295
4 adjust_svg_tag [function] [call site] 00296
5 __assert_fail [call site] 00297
5 __assert_fail [call site] 00298
5 __assert_fail [call site] 00299
5 strlen [call site] 00300
5 gumbo_get_svg_tag_replacement [function] [call site] 00301
6 hash [function] [call site] 00302
6 gumbo_ascii_strncasecmp [function] [call site] 00303
5 strcpy [call site] 00304
4 adjust_svg_attributes [function] [call site] 00305
5 __assert_fail [call site] 00306
5 gumbo_get_svg_attr_replacement [function] [call site] 00307
6 hash [function] [call site] 00308
6 gumbo_ascii_strncasecmp [function] [call site] 00309
5 gumbo_free [function] [call site] 00310
5 gumbo_strdup [function] [call site] 00311
4 adjust_foreign_attributes [function] [call site] 00312
5 __assert_fail [call site] 00313
5 strlen [call site] 00314
5 gumbo_get_foreign_attr_replacement [function] [call site] 00315
6 hash [function] [call site] 00316
6 memcmp [call site] 00317
5 gumbo_free [function] [call site] 00318
5 gumbo_strdup [function] [call site] 00319
4 insert_foreign_element [function] [call site] 00320
5 __assert_fail [call site] 00321
5 create_element_from_token [function] [call site] 00322
6 __assert_fail [call site] 00323
6 create_node [function] [call site] 00324
6 gumbo_vector_init [function] [call site] 00325
6 gumbo_normalized_tagname [function] [call site] 00326
6 __assert_fail [call site] 00327
6 __assert_fail [call site] 00328
6 __assert_fail [call site] 00329
5 insert_element [function] [call site] 00330
5 gumbo_normalized_tagname [function] [call site] 00331
5 gumbo_debug [function] [call site] 00332
5 token_has_attribute [function] [call site] 00333
5 attribute_matches_case_sensitive [function] [call site] 00334
6 gumbo_get_attribute [function] [call site] 00335
6 strcmp [call site] 00336
5 parser_add_parse_error [function] [call site] 00337
5 token_has_attribute [function] [call site] 00338
5 attribute_matches_case_sensitive [function] [call site] 00339
5 parser_add_parse_error [function] [call site] 00340
4 pop_current_node [function] [call site] 00341
4 acknowledge_self_closing_tag [function] [call site] 00342
4 __assert_fail [call site] 00343
4 get_current_node [function] [call site] 00344
4 __assert_fail [call site] 00345
4 node_tagname_is [function] [call site] 00346
5 __assert_fail [call site] 00347
5 node_qualified_tagname_is [function] [call site] 00348
4 parser_add_parse_error [function] [call site] 00349
4 gumbo_debug [function] [call site] 00350
4 node_tagname_is [function] [call site] 00351
4 gumbo_debug [function] [call site] 00352
4 pop_current_node [function] [call site] 00353
4 __assert_fail [call site] 00354
4 handle_html_content [function] [call site] 00355
2 __assert_fail [call site] 00356
2 gumbo_add_error [function] [call site] 00357
2 gumbo_free [function] [call site] 00358
2 __assert_fail [call site] 00359
2 finish_parsing [function] [call site] 00360
3 gumbo_debug [function] [call site] 00361
3 maybe_flush_text_node_buffer [function] [call site] 00362
3 pop_current_node [function] [call site] 00363
3 node_html_tag_is [function] [call site] 00364
3 node_html_tag_is [function] [call site] 00365
3 pop_current_node [function] [call site] 00366
3 pop_current_node [function] [call site] 00367
2 gumbo_strdup [function] [call site] 00368
2 gumbo_strdup [function] [call site] 00369
2 gumbo_strdup [function] [call site] 00370
2 parser_state_destroy [function] [call site] 00371
3 destroy_fragment_ctx_element [function] [call site] 00372
4 __assert_fail [call site] 00373
4 __assert_fail [call site] 00374
4 gumbo_vector_pop [function] [call site] 00375
4 gumbo_free [function] [call site] 00376
4 destroy_node [function] [call site] 00377
3 gumbo_vector_destroy [function] [call site] 00378
4 gumbo_free [function] [call site] 00379
3 gumbo_vector_destroy [function] [call site] 00380
3 gumbo_vector_destroy [function] [call site] 00381
3 gumbo_string_buffer_destroy [function] [call site] 00382
4 gumbo_free [function] [call site] 00383
3 gumbo_character_token_buffer_destroy [function] [call site] 00384
4 gumbo_free [function] [call site] 00385
3 gumbo_free [function] [call site] 00386
2 gumbo_tokenizer_state_destroy [function] [call site] 00387
3 __assert_fail [call site] 00388
3 gumbo_string_buffer_destroy [function] [call site] 00389
3 __assert_fail [call site] 00390
3 gumbo_free [function] [call site] 00391
1 SanityCheckPointers(char const*, unsigned long, GumboInternalNode const*, int) [function] [call site] 00392
2 SanityCheckPointers(char const*, unsigned long, GumboInternalNode const*, int) [function] [call site] 00393
1 gumbo_destroy_output [function] [call site] 00394
2 destroy_node [function] [call site] 00395
2 gumbo_error_destroy [function] [call site] 00396
3 gumbo_free [function] [call site] 00397
3 gumbo_free [function] [call site] 00398
3 gumbo_vector_destroy [function] [call site] 00399
3 gumbo_free [function] [call site] 00400
2 gumbo_vector_destroy [function] [call site] 00401
2 gumbo_free [function] [call site] 00402