Fuzz introspector: fuzz-mdhtml
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
1 0 EP call site: 00000 md_html
1 150 md_build_attribute call site: 00150 md_free_attribute
1 386 md_free_footnote_defs call site: 00386 process_output

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 md_html [function] [call site] 00001
2 memchr [call site] 00002
2 memcmp [call site] 00003
2 md_parse [function] [call site] 00004
3 md_build_mark_char_map [function] [call site] 00005
3 md_process_doc [function] [call site] 00006
4 md_analyze_line [function] [call site] 00007
5 md_line_indentation [function] [call site] 00008
5 md_line_indentation [function] [call site] 00009
5 md_is_closing_code_fence [function] [call site] 00010
5 md_is_html_block_end_condition [function] [call site] 00011
6 md_ascii_case_eq [function] [call site] 00012
6 md_line_contains [function] [call site] 00013
7 memcmp [call site] 00014
6 md_line_contains [function] [call site] 00015
6 md_line_contains [function] [call site] 00016
6 md_line_contains [function] [call site] 00017
5 md_is_setext_underline [function] [call site] 00018
5 md_is_hr_line [function] [call site] 00019
6 memchr [call site] 00020
5 md_is_container_mark [function] [call site] 00021
5 md_is_container_compatible [function] [call site] 00022
5 md_line_indentation [function] [call site] 00023
5 md_is_container_mark [function] [call site] 00024
5 md_line_indentation [function] [call site] 00025
5 md_leave_child_containers [function] [call site] 00026
6 md_push_container_bytes [function] [call site] 00027
7 md_flush_blank_lines [function] [call site] 00028
8 md_push_block_bytes [function] [call site] 00029
9 realloc [call site] 00030
7 md_end_current_block [function] [call site] 00031
8 md_consume_link_reference_definitions [function] [call site] 00032
9 md_is_footnote_definition [function] [call site] 00033
10 md_is_footnote_label [function] [call site] 00034
10 md_add_label_def [function] [call site] 00035
11 realloc [call site] 00036
11 md_label_hash [function] [call site] 00037
12 md_skip_unicode_whitespace [function] [call site] 00038
13 md_decode_unicode [function] [call site] 00039
14 md_decode_utf8__ [function] [call site] 00040
13 md_is_unicode_whitespace__ [function] [call site] 00041
14 md_unicode_bsearch__ [function] [call site] 00042
12 md_decode_unicode [function] [call site] 00043
12 md_is_unicode_whitespace__ [function] [call site] 00044
12 md_fnv1a [function] [call site] 00045
12 md_skip_unicode_whitespace [function] [call site] 00046
12 md_get_unicode_fold_info [function] [call site] 00047
13 md_unicode_bsearch__ [function] [call site] 00048
12 md_fnv1a [function] [call site] 00049
9 md_is_link_reference_definition [function] [call site] 00050
10 md_is_link_label [function] [call site] 00051
11 md_decode_unicode [function] [call site] 00052
11 md_is_unicode_whitespace__ [function] [call site] 00053
10 md_is_link_destination [function] [call site] 00054
11 md_is_link_destination_A [function] [call site] 00055
11 md_is_link_destination_B [function] [call site] 00056
10 md_is_link_title [function] [call site] 00057
10 md_merge_lines_alloc [function] [call site] 00058
11 md_merge_lines [function] [call site] 00059
10 md_add_label_def [function] [call site] 00060
10 md_add_label_def [function] [call site] 00061
10 md_merge_lines_alloc [function] [call site] 00062
9 md_is_hr_line [function] [call site] 00063
9 md_push_block_bytes [function] [call site] 00064
7 md_push_block_bytes [function] [call site] 00065
6 md_push_container_bytes [function] [call site] 00066
6 md_push_container_bytes [function] [call site] 00067
5 md_push_container [function] [call site] 00068
6 realloc [call site] 00069
5 md_is_atxheader_line [function] [call site] 00070
5 md_is_opening_code_fence [function] [call site] 00071
5 md_is_html_block_start_condition [function] [call site] 00072
6 md_ascii_case_eq [function] [call site] 00073
6 md_ascii_eq [function] [call site] 00074
7 memcmp [call site] 00075
6 md_ascii_case_eq [function] [call site] 00076
6 md_is_html_tag [function] [call site] 00077
7 memchr [call site] 00078
7 memchr [call site] 00079
7 memchr [call site] 00080
5 md_is_html_block_end_condition [function] [call site] 00081
5 md_is_table_underline [function] [call site] 00082
5 memchr [call site] 00083
5 memchr [call site] 00084
5 memchr [call site] 00085
5 md_leave_child_containers [function] [call site] 00086
5 md_push_container_bytes [function] [call site] 00087
5 md_push_container_bytes [function] [call site] 00088
5 md_ascii_case_eq [function] [call site] 00089
5 md_enter_child_containers [function] [call site] 00090
6 md_end_current_block [function] [call site] 00091
6 md_push_container_bytes [function] [call site] 00092
6 md_push_container_bytes [function] [call site] 00093
6 md_push_container_bytes [function] [call site] 00094
4 md_process_line [function] [call site] 00095
5 md_end_current_block [function] [call site] 00096
5 md_flush_blank_lines [function] [call site] 00097
5 md_end_current_block [function] [call site] 00098
5 md_end_current_block [function] [call site] 00099
5 md_start_new_block [function] [call site] 00100
6 md_push_block_bytes [function] [call site] 00101
5 md_add_line_into_current_block [function] [call site] 00102
6 md_push_block_bytes [function] [call site] 00103
6 md_push_block_bytes [function] [call site] 00104
5 md_end_current_block [function] [call site] 00105
5 md_add_line_into_current_block [function] [call site] 00106
5 md_end_current_block [function] [call site] 00107
5 md_add_line_into_current_block [function] [call site] 00108
5 md_end_current_block [function] [call site] 00109
5 md_start_new_block [function] [call site] 00110
5 md_add_line_into_current_block [function] [call site] 00111
4 md_end_current_block [function] [call site] 00112
4 md_build_ref_def_hashtable [function] [call site] 00113
5 md_build_label_hashtable [function] [call site] 00114
6 calloc [call site] 00115
6 md_is_complex_label_bucket [function] [call site] 00116
6 md_label_cmp [function] [call site] 00117
7 md_skip_unicode_whitespace [function] [call site] 00118
7 md_skip_unicode_whitespace [function] [call site] 00119
7 md_label_cmp_load_fold_info [function] [call site] 00120
8 md_decode_unicode [function] [call site] 00121
8 md_is_unicode_whitespace__ [function] [call site] 00122
8 md_get_unicode_fold_info [function] [call site] 00123
8 md_skip_unicode_whitespace [function] [call site] 00124
7 md_label_cmp_load_fold_info [function] [call site] 00125
6 realloc [call site] 00126
6 md_is_complex_label_bucket [function] [call site] 00127
6 qsort [call site] 00128
6 md_label_hash_entry_cmp_for_sort [function] [call site] 00129
7 md_label_hash_entry_cmp [function] [call site] 00130
8 md_label_cmp [function] [call site] 00131
6 md_label_hash_entry_cmp [function] [call site] 00132
4 md_build_footnote_def_hashtable [function] [call site] 00133
5 md_build_label_hashtable [function] [call site] 00134
4 md_leave_child_containers [function] [call site] 00135
4 md_flush_blank_lines [function] [call site] 00136
4 md_process_all_blocks [function] [call site] 00137
5 strlen [call site] 00138
5 md_process_leaf_block [function] [call site] 00139
6 md_setup_fenced_code_detail [function] [call site] 00140
7 md_build_attribute [function] [call site] 00141
8 md_build_attr_append_substr [function] [call site] 00142
9 realloc [call site] 00143
9 realloc [call site] 00144
8 md_is_entity_str [function] [call site] 00145
9 md_is_hex_entity_contents [function] [call site] 00146
9 md_is_dec_entity_contents [function] [call site] 00147
9 md_is_named_entity_contents [function] [call site] 00148
8 md_build_attr_append_substr [function] [call site] 00149
8 md_build_attr_append_substr [function] [call site] 00150
8 md_free_attribute [function] [call site] 00151
7 md_build_attribute [function] [call site] 00152
6 md_process_code_block_contents [function] [call site] 00153
7 md_is_verbatim_line_blank [function] [call site] 00154
7 md_is_verbatim_line_blank [function] [call site] 00155
7 md_process_verbatim_block_contents [function] [call site] 00156
8 md_text_with_null_replacement [function] [call site] 00157
6 md_process_verbatim_block_contents [function] [call site] 00158
6 md_process_table_block_contents [function] [call site] 00159
7 md_analyze_table_alignment [function] [call site] 00160
7 md_process_table_row [function] [call site] 00161
8 md_analyze_inlines [function] [call site] 00162
9 md_collect_marks [function] [call site] 00163
10 md_add_mark [function] [call site] 00164
11 realloc [call site] 00165
10 md_decode_utf8_before__ [function] [call site] 00166
10 md_is_unicode_whitespace__ [function] [call site] 00167
10 md_is_unicode_punct__ [function] [call site] 00168
11 md_unicode_bsearch__ [function] [call site] 00169
10 md_decode_utf8__ [function] [call site] 00170
10 md_is_unicode_whitespace__ [function] [call site] 00171
10 md_decode_utf8__ [function] [call site] 00172
10 md_is_unicode_punct__ [function] [call site] 00173
10 md_add_mark [function] [call site] 00174
10 md_add_mark [function] [call site] 00175
10 md_is_code_span [function] [call site] 00176
10 md_add_mark [function] [call site] 00177
10 md_add_mark [function] [call site] 00178
10 md_resolve_range [function] [call site] 00179
10 md_lookup_line [function] [call site] 00180
10 md_add_mark [function] [call site] 00181
10 md_add_mark [function] [call site] 00182
10 md_is_html_any [function] [call site] 00183
11 md_is_html_tag [function] [call site] 00184
11 md_is_html_comment [function] [call site] 00185
12 md_scan_for_html_closer [function] [call site] 00186
13 md_ascii_eq [function] [call site] 00187
11 md_is_html_processing_instruction [function] [call site] 00188
12 md_scan_for_html_closer [function] [call site] 00189
11 md_is_html_declaration [function] [call site] 00190
12 md_scan_for_html_closer [function] [call site] 00191
11 md_is_html_cdata [function] [call site] 00192
12 memcmp [call site] 00193
12 md_scan_for_html_closer [function] [call site] 00194
10 md_add_mark [function] [call site] 00195
10 md_add_mark [function] [call site] 00196
10 md_lookup_line [function] [call site] 00197
10 md_is_autolink [function] [call site] 00198
11 md_is_autolink_uri [function] [call site] 00199
11 md_is_autolink_email [function] [call site] 00200
12 memchr [call site] 00201
10 md_add_mark [function] [call site] 00202
10 md_add_mark [function] [call site] 00203
10 md_add_mark [function] [call site] 00204
10 md_add_mark [function] [call site] 00205
10 md_add_mark [function] [call site] 00206
10 md_add_mark [function] [call site] 00207
10 md_add_mark [function] [call site] 00208
10 md_add_mark [function] [call site] 00209
10 md_add_mark [function] [call site] 00210
10 md_ascii_eq [function] [call site] 00211
10 md_ascii_eq [function] [call site] 00212
10 md_add_mark [function] [call site] 00213
10 md_add_mark [function] [call site] 00214
10 md_ascii_eq [function] [call site] 00215
10 md_decode_utf8_before__ [function] [call site] 00216
10 md_is_unicode_whitespace__ [function] [call site] 00217
10 md_is_unicode_punct__ [function] [call site] 00218
10 md_add_mark [function] [call site] 00219
10 md_add_mark [function] [call site] 00220
10 md_add_mark [function] [call site] 00221
10 md_decode_utf8__ [function] [call site] 00222
10 md_is_unicode_whitespace__ [function] [call site] 00223
10 md_decode_utf8_before__ [function] [call site] 00224
10 md_is_unicode_whitespace__ [function] [call site] 00225
10 md_add_mark [function] [call site] 00226
10 md_decode_utf8__ [function] [call site] 00227
10 md_is_unicode_whitespace__ [function] [call site] 00228
10 md_decode_utf8_before__ [function] [call site] 00229
10 md_is_unicode_whitespace__ [function] [call site] 00230
10 md_add_mark [function] [call site] 00231
10 md_decode_utf8_before__ [function] [call site] 00232
10 md_is_unicode_whitespace__ [function] [call site] 00233
10 md_is_unicode_punct__ [function] [call site] 00234
10 md_decode_utf8__ [function] [call site] 00235
10 md_is_unicode_whitespace__ [function] [call site] 00236
10 md_is_unicode_punct__ [function] [call site] 00237
10 md_add_mark [function] [call site] 00238
10 md_decode_utf8_before__ [function] [call site] 00239
10 md_is_unicode_whitespace__ [function] [call site] 00240
10 md_is_unicode_punct__ [function] [call site] 00241
10 md_decode_utf8__ [function] [call site] 00242
10 md_is_unicode_whitespace__ [function] [call site] 00243
10 md_is_unicode_punct__ [function] [call site] 00244
10 md_add_mark [function] [call site] 00245
10 md_add_mark [function] [call site] 00246
10 md_add_mark [function] [call site] 00247
10 md_add_mark [function] [call site] 00248
9 md_analyze_marks [function] [call site] 00249
10 strchr [call site] 00250
10 strchr [call site] 00251
10 md_analyze_bracket [function] [call site] 00252
11 md_mark_stack_push [function] [call site] 00253
11 md_mark_stack_pop [function] [call site] 00254
10 md_analyze_entity [function] [call site] 00255
11 md_is_entity [function] [call site] 00256
12 md_is_entity_str [function] [call site] 00257
11 md_resolve_range [function] [call site] 00258
10 md_analyze_emph [function] [call site] 00259
11 md_emph_stack [function] [call site] 00260
11 md_emph_stack [function] [call site] 00261
11 md_emph_stack [function] [call site] 00262
11 md_emph_stack [function] [call site] 00263
11 md_emph_stack [function] [call site] 00264
11 md_emph_stack [function] [call site] 00265
11 md_opener_stack [function] [call site] 00266
12 md_emph_stack [function] [call site] 00267
11 md_split_emph_mark [function] [call site] 00268
11 md_mark_stack_push [function] [call site] 00269
11 md_split_emph_mark [function] [call site] 00270
11 md_pop_openers [function] [call site] 00271
12 md_mark_stack_pop [function] [call site] 00272
11 md_resolve_range [function] [call site] 00273
11 md_emph_stack [function] [call site] 00274
11 md_mark_stack_push [function] [call site] 00275
10 md_analyze_generic [function] [call site] 00276
11 md_opener_stack [function] [call site] 00277
11 md_pop_openers [function] [call site] 00278
11 md_resolve_range [function] [call site] 00279
11 md_mark_stack_push [function] [call site] 00280
10 md_analyze_generic [function] [call site] 00281
10 md_analyze_dollar [function] [call site] 00282
11 md_pop_openers [function] [call site] 00283
11 md_disable_marks [function] [call site] 00284
11 md_resolve_range [function] [call site] 00285
11 md_mark_stack_push [function] [call site] 00286
10 md_analyze_permissive_autolink [function] [call site] 00287
11 md_analyze_permissive_autolink_segment [function] [call site] 00288
12 md_scan_right_for_resolved_mark [function] [call site] 00289
12 md_scan_left_for_resolved_mark [function] [call site] 00290
12 strchr [call site] 00291
11 md_ascii_eq [function] [call site] 00292
11 md_ascii_eq [function] [call site] 00293
11 md_decode_utf8_before__ [function] [call site] 00294
11 md_is_unicode_whitespace__ [function] [call site] 00295
11 memchr [call site] 00296
11 md_scan_left_for_resolved_mark [function] [call site] 00297
11 md_analyze_permissive_autolink_segment [function] [call site] 00298
11 md_decode_unicode [function] [call site] 00299
11 md_is_unicode_whitespace__ [function] [call site] 00300
11 md_scan_right_for_resolved_mark [function] [call site] 00301
11 memchr [call site] 00302
11 md_decode_utf8__ [function] [call site] 00303
11 md_is_unicode_whitespace__ [function] [call site] 00304
11 memchr [call site] 00305
11 memchr [call site] 00306
11 md_scan_right_for_resolved_mark [function] [call site] 00307
11 md_resolve_range [function] [call site] 00308
10 md_analyze_generic [function] [call site] 00309
10 md_analyze_generic [function] [call site] 00310
10 md_analyze_generic [function] [call site] 00311
9 md_resolve_brackets [function] [call site] 00312
10 md_bracket_opener [function] [call site] 00313
10 md_bracket_opener [function] [call site] 00314
10 md_resolve_bracket_footnote [function] [call site] 00315
11 md_is_footnote_label [function] [call site] 00316
11 md_lookup_footnote_def [function] [call site] 00317
12 md_lookup_label_hashtable [function] [call site] 00318
13 md_label_hash [function] [call site] 00319
13 md_is_complex_label_bucket [function] [call site] 00320
13 md_label_cmp [function] [call site] 00321
13 bsearch [call site] 00322
13 md_label_hash_entry_cmp [function] [call site] 00323
10 md_resolve_bracket_wikilink [function] [call site] 00324
11 md_pop_openers [function] [call site] 00325
11 md_disable_marks [function] [call site] 00326
11 md_disable_marks [function] [call site] 00327
11 md_resolve_range [function] [call site] 00328
11 md_analyze_link_contents [function] [call site] 00329
12 md_analyze_marks [function] [call site] 00330
12 md_analyze_marks [function] [call site] 00331
10 md_resolve_bracket_link [function] [call site] 00332
11 md_is_link_reference [function] [call site] 00333
12 md_lookup_line [function] [call site] 00334
12 md_merge_lines_alloc [function] [call site] 00335
12 md_lookup_ref_def [function] [call site] 00336
13 md_lookup_label_hashtable [function] [call site] 00337
11 md_is_link_reference [function] [call site] 00338
11 md_disable_marks [function] [call site] 00339
11 md_is_inline_link_spec [function] [call site] 00340
12 md_lookup_line [function] [call site] 00341
12 md_is_link_destination [function] [call site] 00342
12 md_is_link_title [function] [call site] 00343
12 md_merge_lines_alloc [function] [call site] 00344
11 md_disable_marks [function] [call site] 00345
11 md_is_link_reference [function] [call site] 00346
11 md_mark_store_ptr [function] [call site] 00347
11 md_mark_stack_push [function] [call site] 00348
11 md_analyze_link_contents [function] [call site] 00349
11 memchr [call site] 00350
9 md_analyze_table_cell_boundary [function] [call site] 00351
9 md_analyze_link_contents [function] [call site] 00352
8 md_process_table_cell [function] [call site] 00353
9 md_process_normal_block_contents [function] [call site] 00354
10 md_analyze_inlines [function] [call site] 00355
10 md_process_inlines [function] [call site] 00356
11 md_enter_leave_span_footnote_ref [function] [call site] 00357
12 md_build_attribute [function] [call site] 00358
12 md_free_attribute [function] [call site] 00359
11 md_enter_leave_span_wikilink [function] [call site] 00360
12 md_build_attribute [function] [call site] 00361
12 md_free_attribute [function] [call site] 00362
11 md_mark_get_ptr [function] [call site] 00363
11 md_enter_leave_span_a [function] [call site] 00364
12 md_build_attribute [function] [call site] 00365
12 md_build_attribute [function] [call site] 00366
12 md_free_attribute [function] [call site] 00367
12 md_free_attribute [function] [call site] 00368
11 realloc [call site] 00369
11 md_enter_leave_span_a [function] [call site] 00370
10 md_mark_get_ptr [function] [call site] 00371
8 md_process_table_cell [function] [call site] 00372
7 md_process_table_row [function] [call site] 00373
6 md_process_normal_block_contents [function] [call site] 00374
6 md_free_attribute [function] [call site] 00375
6 md_free_attribute [function] [call site] 00376
4 md_process_footnote_defs [function] [call site] 00377
5 md_process_footnote_def [function] [call site] 00378
6 md_build_attribute [function] [call site] 00379
6 md_process_normal_block_contents [function] [call site] 00380
6 md_free_attribute [function] [call site] 00381
3 md_free_ref_defs [function] [call site] 00382
4 md_free_label_hashtable [function] [call site] 00383
5 md_is_complex_label_bucket [function] [call site] 00384
3 md_free_footnote_defs [function] [call site] 00385
4 md_free_label_hashtable [function] [call site] 00386
1 process_output [function] [call site] 00387