Fuzz introspector: fuzz-glyph-index
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
57 454 Face::parse_tables call site: 00454 DeltaSetIndexMap::map
50 108 Stream::new_at call site: 00108 RegionAxisCoordinatesRecord::evaluate_axis
48 20 RawFace::parse call site: 00020 convert
21 70 cmap::Subtable4::parse call site: 00070 DeltaSetIndexMap::map
17 258 Face::parse_tables call site: 00258 BinarySearchTable::get
17 279 Face::parse_tables call site: 00279 BinarySearchTable::get
16 222 Face::parse_tables call site: 00222 BinarySearchTable::get
16 240 Face::parse_tables call site: 00240 BinarySearchTable::get
16 298 Face::parse_tables call site: 00298 BinarySearchTable::get
16 317 Face::parse_tables call site: 00317 BinarySearchTable::get
16 342 Face::parse_tables call site: 00342 BinarySearchTable::get
16 367 Face::parse_tables call site: 00367 BinarySearchTable::get

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 Face::parse [function] [call site] 00001
2 RawFace::parse [function] [call site] 00002
3 Stream::new [function] [call site] 00003
3 read::<Magic> [function] [call site] 00004
3 skip::<u32> [function] [call site] 00006
3 read::<u32> [function] [call site] 00007
3 read_array32::<Offset32> [function] [call site] 00009
3 BinarySearchTable::get [function] [call site] 00011
4 BinarySearchTable::get [function] [call site] 00012
4 BinarySearchTable::get [function] [call site] 00013
4 LookupSegment::contains [function] [call site] 00014
3 Offset16::to_usize [function] [call site] 00017
4 usize::num_from [function] [call site] 00018
3 checked_sub [function] [call site] 00019
3 format4::invalid_offset [function] [call site] 00020
4 convert [function] [call site] 00021
5 Vec::with_capacity [function] [call site] 00022
5 convert_type [function] [call site] 00023
6 Option::extend_from_slice [function] [call site] 00024
6 Option::extend_from_slice [function] [call site] 00025
6 Option::extend_from_slice [function] [call site] 00026
6 Option::extend_from_slice [function] [call site] 00027
6 Option::extend_from_slice [function] [call site] 00028
6 i8::to_be_bytes [function] [call site] 00029
6 Option::extend_from_slice [function] [call site] 00030
6 u8::to_be_bytes [function] [call site] 00031
6 Option::extend_from_slice [function] [call site] 00032
6 i16::to_be_bytes [function] [call site] 00033
6 Option::extend_from_slice [function] [call site] 00034
6 u16::to_be_bytes [function] [call site] 00035
6 Option::extend_from_slice [function] [call site] 00036
6 i32::to_be_bytes [function] [call site] 00037
6 Option::extend_from_slice [function] [call site] 00038
6 u32::to_be_bytes [function] [call site] 00039
6 GenericStateEntry::has_push [function] [call site] 00040
6 GenericStateEntry::has_push [function] [call site] 00041
6 GenericStateEntry::has_push [function] [call site] 00042
6 GenericStateEntry::has_push [function] [call site] 00043
6 GenericStateEntry::has_push [function] [call site] 00044
6 GenericStateEntry::has_push [function] [call site] 00045
6 Option::extend_from_slice [function] [call site] 00046
6 i16::to_be_bytes [function] [call site] 00047
6 GenericStateEntry::has_push [function] [call site] 00048
6 Option::extend_from_slice [function] [call site] 00049
6 i32::to_be_bytes [function] [call site] 00050
4 cmap::Subtable4::parse [function] [call site] 00068
5 Stream::new [function] [call site] 00069
5 ttfp_get_glyph_hor_advance [function] [call site] 00070
6 face_from_ptr [function] [call site] 00071
6 &'static [call site] 00072
7 ttfp_get_glyph_hor_advance [function] [call site] 00073
7 Face::is_variable [function] [call site] 00074
7 Table::advance_offset [function] [call site] 00076
8 DeltaSetIndexMap::new [function] [call site] 00077
8 BinarySearchTable::get [function] [call site] 00078
8 Offset16::to_usize [function] [call site] 00079
8 DeltaSetIndexMap::map [function] [call site] 00080
9 Stream::new [function] [call site] 00081
9 read::<u8> [function] [call site] 00082
9 read::<u8> [function] [call site] 00083
9 read::<u16> [function] [call site] 00084
9 read::<u32> [function] [call site] 00085
9 usize::num_from [function] [call site] 00086
9 ttfp_get_glyph_hor_advance [function] [call site] 00087
9 usize::num_from [function] [call site] 00088
9 usize::try_from [function] [call site] 00089
9 Stream::read_bytes [function] [call site] 00091
10 BinarySearchTable::get [function] [call site] 00092
10 Stream::advance [function] [call site] 00093
9 usize::num_from [function] [call site] 00095
9 usize::num_from [function] [call site] 00096
9 u16::try_from [function] [call site] 00098
9 u16::try_from [function] [call site] 00100
8 ItemVariationStore::parse_delta [function] [call site] 00102
9 BinarySearchTable::get [function] [call site] 00103
9 Stream::new_at [function] [call site] 00104
10 LazyArray16::len [function] [call site] 00105
11 LazyArray16::len [function] [call site] 00106
12 LazyArray16::len [function] [call site] 00107
9 usize::num_from [function] [call site] 00109
9 read::<u16> [function] [call site] 00110
9 read::<u16> [function] [call site] 00111
9 read::<u16> [function] [call site] 00112
9 read_array16::<u16> [function] [call site] 00113
9 ttfp_get_glyph_hor_advance [function] [call site] 00114
9 usize::num_from [function] [call site] 00115
9 Self::checked_mul [function] [call site] 00116
9 usize::num_from [function] [call site] 00117
9 BinarySearchTable::get [function] [call site] 00118
10 BinarySearchTable::get [function] [call site] 00119
10 BinarySearchTable::get [function] [call site] 00120
10 LookupSegment::contains [function] [call site] 00121
9 read::<i32> [function] [call site] 00123
9 usize::num_from [function] [call site] 00124
9 read::<i16> [function] [call site] 00125
9 VariationRegionList::evaluate_region [function] [call site] 00126
10 LazyArray16::into_iter [function] [call site] 00127
10 Self::IntoIter::enumerate [function] [call site] 00128
10 BinarySearchTable::get [function] [call site] 00129
10 RegionAxisCoordinatesRecord::evaluate_axis [function] [call site] 00130
11 usize::num_from [function] [call site] 00131
11 usize::num_from [function] [call site] 00132
11 usize::num_from [function] [call site] 00133
11 usize::num_from [function] [call site] 00134
10 BinarySearchTable::get [function] [call site] 00135
9 BinarySearchTable::get [function] [call site] 00136
9 usize::num_from [function] [call site] 00137
9 read::<i16> [function] [call site] 00138
9 usize::num_from [function] [call site] 00139
9 read::<i8> [function] [call site] 00140
9 VariationRegionList::evaluate_region [function] [call site] 00141
7 Face::coords [function] [call site] 00143
8 VarCoords::as_slice [function] [call site] 00144
9 usize::num_from [function] [call site] 00145
7 Face::glyph_phantom_points [function] [call site] 00146
8 Face::glyph_phantom_points [function] [call site] 00147
9 Face::glyph_phantom_points [function] [call site] 00148
9 Face::coords [function] [call site] 00149
8 Face::coords [function] [call site] 00150
7 u16::try_num_from [function] [call site] 00151
8 i32::try_num_from [function] [call site] 00152
8 Option::and_then [function] [call site] 00154
8 u16::try_from [function] [call site] 00155
7 ttfp_get_glyph_hor_advance [function] [call site] 00157
6 Option::unwrap_or [function] [call site] 00158
5 read::<u16> [function] [call site] 00159
5 ttfp_get_glyph_hor_advance [function] [call site] 00160
5 read_array16::<u16> [function] [call site] 00161
5 skip::<u16> [function] [call site] 00162
5 read_array16::<u16> [function] [call site] 00163
5 read_array16::<i16> [function] [call site] 00164
5 format4::invalid_offset [function] [call site] 00165
5 read_array16::<u16> [function] [call site] 00166
4 Option::unwrap [function] [call site] 00168
3 Stream::advance_checked [function] [call site] 00170
4 LazyArray16::len [function] [call site] 00171
4 Stream::advance [function] [call site] 00172
3 Option::ok_or [function] [call site] 00174
3 read::<Magic> [function] [call site] 00175
3 read::<u16> [function] [call site] 00179
3 ttfp_get_glyph_hor_advance [function] [call site] 00181
3 read_array16::<TableRecord> [function] [call site] 00182
2 Face::collect_tables [function] [call site] 00185
3 LazyArray16::default [function] [call site] 00186
3 usize::num_from [function] [call site] 00187
3 Self::checked_add [function] [call site] 00188
3 usize::num_from [function] [call site] 00189
3 BinarySearchTable::get [function] [call site] 00190
3 Tag::to_bytes [function] [call site] 00191
3 Option::unwrap_or_default [function] [call site] 00192
3 Option::unwrap_or_default [function] [call site] 00193
3 Option::unwrap_or_default [function] [call site] 00194
2 VarCoords::default [function] [call site] 00195
3 LazyArray16::default [function] [call site] 00196
3 LazyArray16::default [function] [call site] 00197
2 Face::parse_tables [function] [call site] 00198
3 head::Table::parse [function] [call site] 00199
4 Stream::new [function] [call site] 00200
4 Stream::read [function] [call site] 00201
5 Stream::read_bytes [function] [call site] 00202
6 BinarySearchTable::get [function] [call site] 00203
6 Stream::advance [function] [call site] 00204
5 Option::and_then [function] [call site] 00206
4 read::<Offset16> [function] [call site] 00207
4 Offset16::to_usize [function] [call site] 00208
4 read::<Offset16> [function] [call site] 00209
4 Offset16::to_usize [function] [call site] 00210
4 read::<Offset16> [function] [call site] 00211
4 Offset16::to_usize [function] [call site] 00212
4 Stream::new_at [function] [call site] 00213
4 Stream::read [function] [call site] 00214
4 Stream::read [function] [call site] 00215
4 Stream::read_bytes [function] [call site] 00216
4 usize::num_from [function] [call site] 00217
4 BinarySearchTable::get [function] [call site] 00219
4 BinarySearchTable::get [function] [call site] 00220
3 Option::ok_or [function] [call site] 00221
3 hhea::Table::parse [function] [call site] 00222
4 Stream::new [function] [call site] 00223
4 Stream::read [function] [call site] 00224
4 read::<Offset16> [function] [call site] 00225
4 Offset16::to_usize [function] [call site] 00226
4 read::<Offset16> [function] [call site] 00227
4 Offset16::to_usize [function] [call site] 00228
4 read::<Offset16> [function] [call site] 00229
4 Offset16::to_usize [function] [call site] 00230
4 Stream::new_at [function] [call site] 00231
4 Stream::read [function] [call site] 00232
4 Stream::read [function] [call site] 00233
4 Stream::read_bytes [function] [call site] 00234
4 usize::num_from [function] [call site] 00235
4 BinarySearchTable::get [function] [call site] 00237
4 BinarySearchTable::get [function] [call site] 00238
3 Option::ok_or [function] [call site] 00239
3 maxp::Table::parse [function] [call site] 00240
4 Stream::new [function] [call site] 00241
4 Stream::read [function] [call site] 00242
4 read::<Offset16> [function] [call site] 00243
4 Offset16::to_usize [function] [call site] 00244
4 read::<Offset16> [function] [call site] 00245
4 Offset16::to_usize [function] [call site] 00246
4 read::<Offset16> [function] [call site] 00247
4 Offset16::to_usize [function] [call site] 00248
4 Stream::new_at [function] [call site] 00249
4 Stream::read [function] [call site] 00250
4 Stream::read [function] [call site] 00251
4 Stream::read_bytes [function] [call site] 00252
4 usize::num_from [function] [call site] 00253
4 BinarySearchTable::get [function] [call site] 00255
4 BinarySearchTable::get [function] [call site] 00256
3 Option::ok_or [function] [call site] 00257
3 hmtx::Table::parse [function] [call site] 00259
4 Stream::new [function] [call site] 00260
4 Stream::read [function] [call site] 00261
4 read::<Offset16> [function] [call site] 00262
4 Offset16::to_usize [function] [call site] 00263
4 read::<Offset16> [function] [call site] 00264
4 Offset16::to_usize [function] [call site] 00265
4 read::<Offset16> [function] [call site] 00266
4 Offset16::to_usize [function] [call site] 00267
4 Stream::new_at [function] [call site] 00268
4 Stream::read [function] [call site] 00269
4 Stream::read [function] [call site] 00270
4 Stream::read_bytes [function] [call site] 00271
4 usize::num_from [function] [call site] 00272
4 BinarySearchTable::get [function] [call site] 00274
4 BinarySearchTable::get [function] [call site] 00275
3 hmtx::Table::parse [function] [call site] 00278
3 loca::Table::parse [function] [call site] 00280
4 Stream::new [function] [call site] 00281
4 Stream::read [function] [call site] 00282
4 read::<Offset16> [function] [call site] 00283
4 Offset16::to_usize [function] [call site] 00284
4 read::<Offset16> [function] [call site] 00285
4 Offset16::to_usize [function] [call site] 00286
4 read::<Offset16> [function] [call site] 00287
4 Offset16::to_usize [function] [call site] 00288
4 Stream::new_at [function] [call site] 00289
4 Stream::read [function] [call site] 00290
4 Stream::read [function] [call site] 00291
4 Stream::read_bytes [function] [call site] 00292
4 usize::num_from [function] [call site] 00293
4 BinarySearchTable::get [function] [call site] 00295
4 BinarySearchTable::get [function] [call site] 00296
3 glyf::Table::parse [function] [call site] 00298
4 Stream::new [function] [call site] 00299
4 Stream::read [function] [call site] 00300
4 read::<Offset16> [function] [call site] 00301
4 Offset16::to_usize [function] [call site] 00302
4 read::<Offset16> [function] [call site] 00303
4 Offset16::to_usize [function] [call site] 00304
4 read::<Offset16> [function] [call site] 00305
4 Offset16::to_usize [function] [call site] 00306
4 Stream::new_at [function] [call site] 00307
4 Stream::read [function] [call site] 00308
4 Stream::read [function] [call site] 00309
4 Stream::read_bytes [function] [call site] 00310
4 usize::num_from [function] [call site] 00311
4 BinarySearchTable::get [function] [call site] 00313
4 BinarySearchTable::get [function] [call site] 00314
3 cbdt::Table::parse [function] [call site] 00317
4 Stream::new [function] [call site] 00318
4 Stream::read [function] [call site] 00319
4 read::<Offset16> [function] [call site] 00320
4 Offset16::to_usize [function] [call site] 00321
4 read::<Offset16> [function] [call site] 00322
4 Offset16::to_usize [function] [call site] 00323
4 read::<Offset16> [function] [call site] 00324
4 Offset16::to_usize [function] [call site] 00325
4 Stream::new_at [function] [call site] 00326
4 Stream::read [function] [call site] 00327
4 Stream::read [function] [call site] 00328
4 Stream::read_bytes [function] [call site] 00329
4 usize::num_from [function] [call site] 00330
4 BinarySearchTable::get [function] [call site] 00332
4 BinarySearchTable::get [function] [call site] 00333
3 cbdt::Table::parse [function] [call site] 00336
3 cbdt::Table::parse [function] [call site] 00339
3 colr::Table::parse [function] [call site] 00342
4 Stream::new [function] [call site] 00343
4 Stream::read [function] [call site] 00344
4 read::<Offset16> [function] [call site] 00345
4 Offset16::to_usize [function] [call site] 00346
4 read::<Offset16> [function] [call site] 00347
4 Offset16::to_usize [function] [call site] 00348
4 read::<Offset16> [function] [call site] 00349
4 Offset16::to_usize [function] [call site] 00350
4 Stream::new_at [function] [call site] 00351
4 Stream::read [function] [call site] 00352
4 Stream::read [function] [call site] 00353
4 Stream::read_bytes [function] [call site] 00354
4 usize::num_from [function] [call site] 00355
4 BinarySearchTable::get [function] [call site] 00357
4 BinarySearchTable::get [function] [call site] 00358
3 sbix::Table::parse [function] [call site] 00367
4 Stream::new [function] [call site] 00368
4 Stream::read [function] [call site] 00369
4 read::<Offset16> [function] [call site] 00370
4 Offset16::to_usize [function] [call site] 00371
4 read::<Offset16> [function] [call site] 00372
4 Offset16::to_usize [function] [call site] 00373
4 read::<Offset16> [function] [call site] 00374
4 Offset16::to_usize [function] [call site] 00375
4 Stream::new_at [function] [call site] 00376
4 Stream::read [function] [call site] 00377
4 Stream::read [function] [call site] 00378
4 Stream::read_bytes [function] [call site] 00379
4 usize::num_from [function] [call site] 00380
4 BinarySearchTable::get [function] [call site] 00382
4 BinarySearchTable::get [function] [call site] 00383
3 ankr::Table::parse [function] [call site] 00393
4 Stream::new [function] [call site] 00394
4 Stream::read [function] [call site] 00395
4 read::<Offset16> [function] [call site] 00396
4 Offset16::to_usize [function] [call site] 00397
4 read::<Offset16> [function] [call site] 00398
4 Offset16::to_usize [function] [call site] 00399
4 read::<Offset16> [function] [call site] 00400
4 Offset16::to_usize [function] [call site] 00401
4 Stream::new_at [function] [call site] 00402
4 Stream::read [function] [call site] 00403
4 Stream::read [function] [call site] 00404
4 Stream::read_bytes [function] [call site] 00405
4 usize::num_from [function] [call site] 00406
4 BinarySearchTable::get [function] [call site] 00408
4 BinarySearchTable::get [function] [call site] 00409
3 kerx::Table::parse [function] [call site] 00412
4 Stream::new [function] [call site] 00413
4 Stream::read [function] [call site] 00414
4 read::<Offset16> [function] [call site] 00415
4 Offset16::to_usize [function] [call site] 00416
4 read::<Offset16> [function] [call site] 00417
4 Offset16::to_usize [function] [call site] 00418
4 read::<Offset16> [function] [call site] 00419
4 Offset16::to_usize [function] [call site] 00420
4 Stream::new_at [function] [call site] 00421
4 Stream::read [function] [call site] 00422
4 Stream::read [function] [call site] 00423
4 Stream::read_bytes [function] [call site] 00424
4 usize::num_from [function] [call site] 00425
4 BinarySearchTable::get [function] [call site] 00427
4 BinarySearchTable::get [function] [call site] 00428
3 morx::Table::parse [function] [call site] 00430
4 Stream::new [function] [call site] 00431
4 Stream::read [function] [call site] 00432
4 read::<Offset16> [function] [call site] 00433
4 Offset16::to_usize [function] [call site] 00434
4 read::<Offset16> [function] [call site] 00435
4 Offset16::to_usize [function] [call site] 00436
4 read::<Offset16> [function] [call site] 00437
4 Offset16::to_usize [function] [call site] 00438
4 Stream::new_at [function] [call site] 00439
4 Stream::read [function] [call site] 00440
4 Stream::read [function] [call site] 00441
4 Stream::read_bytes [function] [call site] 00442
4 usize::num_from [function] [call site] 00443
4 BinarySearchTable::get [function] [call site] 00445
4 BinarySearchTable::get [function] [call site] 00446
2 LazyArray16::len [function] [call site] 00455
2 Constants::subscript_baseline_drop_min [function] [call site] 00456
3 Constants::read_record [function] [call site] 00457
4 BinarySearchTable::get [function] [call site] 00458
4 MathValue::parse [function] [call site] 00460
5 MathValueRecord::parse [function] [call site] 00462
6 Stream::new [function] [call site] 00463
6 read::<i16> [function] [call site] 00464
6 read::<Option<Offset16>> [function] [call site] 00465
5 BinarySearchTable::get [function] [call site] 00467
4 unwrap_or [function] [call site] 00468
1 &RawFace::glyph_index [function] [call site] 00470
2 std::panic::catch_unwind [function] [call site] 00471
2 char::try_from [function] [call site] 00472
2 face_from_ptr [function] [call site] 00474
2 &'static [call site] 00475
3 Name::is_unicode [function] [call site] 00476
4 is_unicode_encoding [function] [call site] 00477
3 Option::glyph_index [function] [call site] 00478
4 std::panic::catch_unwind [function] [call site] 00479
4 char::try_from [function] [call site] 00480
4 face_from_ptr [function] [call site] 00482
4 &'static [call site] 00483
4 DeltaSetIndexMap::map [function] [call site] 00484
5 Stream::new [function] [call site] 00485
5 read::<u8> [function] [call site] 00486
5 read::<u8> [function] [call site] 00487
5 read::<u16> [function] [call site] 00488
5 read::<u32> [function] [call site] 00489
5 usize::num_from [function] [call site] 00490
5 ttfp_get_glyph_hor_advance [function] [call site] 00491
5 usize::num_from [function] [call site] 00492
5 usize::try_from [function] [call site] 00493
5 Stream::read_bytes [function] [call site] 00495
5 usize::num_from [function] [call site] 00496
5 usize::num_from [function] [call site] 00497
5 u16::try_from [function] [call site] 00499
5 u16::try_from [function] [call site] 00501
4 BinarySearchTable::get [function] [call site] 00503
4 Option::unwrap_or [function] [call site] 00504
4 unwrap_or [function] [call site] 00505
3 usize::num_from [function] [call site] 00506
2 DeltaSetIndexMap::map [function] [call site] 00508
2 BinarySearchTable::get [function] [call site] 00509
2 Option::unwrap_or [function] [call site] 00510
2 unwrap_or [function] [call site] 00511