Fuzz introspector: fuzz-table-with-builder
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
218 337 Face::parse_tables call site: 00337 BinarySearchTable::get
180 60 LazyArray16::get call site: 00060 ItemVariationStore::parse_delta
23 33 Stream::read_bytes call site: 00033 BinarySearchTable::get
16 284 Face::parse_tables call site: 00284 BinarySearchTable::get
16 302 Face::parse_tables call site: 00302 BinarySearchTable::get
16 320 Face::parse_tables call site: 00320 BinarySearchTable::get
9 15 Stream::read_bytes call site: 00015 Stream::new_at
5 278 Face::collect_tables call site: 00278 Face::parse_tables
4 4 LazyArray16::len call site: 00004 Stream::read
4 9 Stream::read_bytes call site: 00009 BinarySearchTable::get
3 27 Stream::new_at call site: 00027 Stream::read
2 0 EP call site: 00000

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 LazyArray16::is_empty [function] [call site] 00001
2 LazyArray16::len [function] [call site] 00002
3 LazyArray16::len [function] [call site] 00003
4 LazyArray16::len [function] [call site] 00004
1 cff::Table::parse [function] [call site] 00005
2 Stream::new [function] [call site] 00006
2 Stream::read [function] [call site] 00007
3 Stream::read_bytes [function] [call site] 00008
4 BinarySearchTable::get [function] [call site] 00009
5 BinarySearchTable::get [function] [call site] 00010
5 BinarySearchTable::get [function] [call site] 00011
5 LookupSegment::contains [function] [call site] 00012
4 Stream::advance [function] [call site] 00014
3 Option::and_then [function] [call site] 00016
2 read::<Offset16> [function] [call site] 00017
2 Offset16::to_usize [function] [call site] 00018
3 usize::num_from [function] [call site] 00019
2 read::<Offset16> [function] [call site] 00020
2 Offset16::to_usize [function] [call site] 00021
2 read::<Offset16> [function] [call site] 00022
2 Offset16::to_usize [function] [call site] 00023
2 Stream::new_at [function] [call site] 00024
3 LazyArray16::len [function] [call site] 00025
4 LazyArray16::len [function] [call site] 00026
2 Stream::read [function] [call site] 00028
2 Stream::read [function] [call site] 00029
2 Stream::read_bytes [function] [call site] 00030
3 BinarySearchTable::get [function] [call site] 00031
3 Stream::advance [function] [call site] 00032
2 usize::num_from [function] [call site] 00034
2 BinarySearchTable::get [function] [call site] 00036
3 BinarySearchTable::get [function] [call site] 00037
3 BinarySearchTable::get [function] [call site] 00038
3 LookupSegment::contains [function] [call site] 00039
2 BinarySearchTable::get [function] [call site] 00041
1 Writer::new [function] [call site] 00043
2 Vec::with_capacity [function] [call site] 00044
1 Option::outline [function] [call site] 00045
2 Stream::new [function] [call site] 00046
2 read_array16::<u16> [function] [call site] 00047
2 BinarySearchTable::get [function] [call site] 00048
3 BinarySearchTable::get [function] [call site] 00049
3 BinarySearchTable::get [function] [call site] 00050
3 LookupSegment::contains [function] [call site] 00051
2 LazyArray16::last [function] [call site] 00053
3 LazyArray16::is_empty [function] [call site] 00054
4 LazyArray16::len [function] [call site] 00055
3 LazyArray16::get [function] [call site] 00056
4 LazyArray16::len [function] [call site] 00057
4 usize::num_from [function] [call site] 00058
4 BinarySearchTable::get [function] [call site] 00059
3 LazyArray16::len [function] [call site] 00061
2 checked_add [function] [call site] 00062
2 LazyArray16::default [function] [call site] 00064
2 read::<u16> [function] [call site] 00065
2 ttfp_get_glyph_hor_advance [function] [call site] 00066
3 face_from_ptr [function] [call site] 00067
3 &'static [call site] 00068
4 ttfp_get_glyph_hor_advance [function] [call site] 00069
4 Face::is_variable [function] [call site] 00070
4 Table::advance_offset [function] [call site] 00072
5 DeltaSetIndexMap::new [function] [call site] 00073
5 BinarySearchTable::get [function] [call site] 00074
5 Offset16::to_usize [function] [call site] 00075
5 DeltaSetIndexMap::map [function] [call site] 00076
6 Stream::new [function] [call site] 00077
6 read::<u8> [function] [call site] 00078
6 read::<u8> [function] [call site] 00079
6 read::<u16> [function] [call site] 00080
6 read::<u32> [function] [call site] 00081
6 usize::num_from [function] [call site] 00082
6 ttfp_get_glyph_hor_advance [function] [call site] 00083
6 usize::num_from [function] [call site] 00084
6 usize::try_from [function] [call site] 00085
6 Stream::read_bytes [function] [call site] 00087
6 usize::num_from [function] [call site] 00088
6 usize::num_from [function] [call site] 00089
6 u16::try_from [function] [call site] 00091
6 u16::try_from [function] [call site] 00093
5 ItemVariationStore::parse_delta [function] [call site] 00095
6 BinarySearchTable::get [function] [call site] 00096
6 Stream::new_at [function] [call site] 00097
6 usize::num_from [function] [call site] 00098
6 read::<u16> [function] [call site] 00099
6 read::<u16> [function] [call site] 00100
6 read::<u16> [function] [call site] 00101
6 read_array16::<u16> [function] [call site] 00102
6 ttfp_get_glyph_hor_advance [function] [call site] 00103
6 usize::num_from [function] [call site] 00104
6 Self::checked_mul [function] [call site] 00105
6 usize::num_from [function] [call site] 00106
6 BinarySearchTable::get [function] [call site] 00107
6 read::<i32> [function] [call site] 00108
6 usize::num_from [function] [call site] 00109
6 read::<i16> [function] [call site] 00110
6 VariationRegionList::evaluate_region [function] [call site] 00111
7 LazyArray16::into_iter [function] [call site] 00112
7 Self::IntoIter::enumerate [function] [call site] 00113
7 BinarySearchTable::get [function] [call site] 00114
7 RegionAxisCoordinatesRecord::evaluate_axis [function] [call site] 00115
8 usize::num_from [function] [call site] 00116
8 usize::num_from [function] [call site] 00117
8 usize::num_from [function] [call site] 00118
8 usize::num_from [function] [call site] 00119
7 BinarySearchTable::get [function] [call site] 00120
6 BinarySearchTable::get [function] [call site] 00121
6 usize::num_from [function] [call site] 00122
6 read::<i16> [function] [call site] 00123
6 usize::num_from [function] [call site] 00124
6 read::<i8> [function] [call site] 00125
6 VariationRegionList::evaluate_region [function] [call site] 00126
4 Face::coords [function] [call site] 00128
5 VarCoords::as_slice [function] [call site] 00129
6 usize::num_from [function] [call site] 00130
4 Face::glyph_phantom_points [function] [call site] 00131
5 Face::glyph_phantom_points [function] [call site] 00132
6 Face::glyph_phantom_points [function] [call site] 00133
6 Face::coords [function] [call site] 00134
5 Face::coords [function] [call site] 00135
4 u16::try_num_from [function] [call site] 00136
5 i32::try_num_from [function] [call site] 00137
5 Option::and_then [function] [call site] 00139
5 u16::try_from [function] [call site] 00140
4 ttfp_get_glyph_hor_advance [function] [call site] 00142
3 Option::unwrap_or [function] [call site] 00143
2 usize::num_from [function] [call site] 00144
2 format4::invalid_offset [function] [call site] 00145
3 convert [function] [call site] 00146
4 Vec::with_capacity [function] [call site] 00147
4 convert_type [function] [call site] 00148
5 Option::extend_from_slice [function] [call site] 00149
5 Option::extend_from_slice [function] [call site] 00150
5 Option::extend_from_slice [function] [call site] 00151
5 Option::extend_from_slice [function] [call site] 00152
5 Option::extend_from_slice [function] [call site] 00153
5 i8::to_be_bytes [function] [call site] 00154
5 Option::extend_from_slice [function] [call site] 00155
5 u8::to_be_bytes [function] [call site] 00156
5 Option::extend_from_slice [function] [call site] 00157
5 i16::to_be_bytes [function] [call site] 00158
5 Option::extend_from_slice [function] [call site] 00159
5 u16::to_be_bytes [function] [call site] 00160
5 Option::extend_from_slice [function] [call site] 00161
5 i32::to_be_bytes [function] [call site] 00162
5 Option::extend_from_slice [function] [call site] 00163
5 u32::to_be_bytes [function] [call site] 00164
5 GenericStateEntry::has_push [function] [call site] 00165
5 GenericStateEntry::has_push [function] [call site] 00166
5 GenericStateEntry::has_push [function] [call site] 00167
5 GenericStateEntry::has_push [function] [call site] 00168
5 GenericStateEntry::has_push [function] [call site] 00169
5 GenericStateEntry::has_push [function] [call site] 00170
5 Option::extend_from_slice [function] [call site] 00171
5 i16::to_be_bytes [function] [call site] 00172
5 GenericStateEntry::has_push [function] [call site] 00173
5 Option::extend_from_slice [function] [call site] 00174
5 i32::to_be_bytes [function] [call site] 00175
3 cmap::Subtable4::parse [function] [call site] 00193
4 Stream::new [function] [call site] 00194
4 ttfp_get_glyph_hor_advance [function] [call site] 00195
4 read::<u16> [function] [call site] 00196
4 ttfp_get_glyph_hor_advance [function] [call site] 00197
4 read_array16::<u16> [function] [call site] 00198
4 skip::<u16> [function] [call site] 00199
4 read_array16::<u16> [function] [call site] 00200
4 read_array16::<i16> [function] [call site] 00201
4 format4::invalid_offset [function] [call site] 00202
4 read_array16::<u16> [function] [call site] 00203
3 Option::unwrap [function] [call site] 00205
2 resolve_coords_len [function] [call site] 00206
3 usize::num_from [function] [call site] 00207
3 SimpleGlyphFlags [function] [call site] 00208
3 read::<u8> [function] [call site] 00209
3 SimpleGlyphFlags::repeat_flag [function] [call site] 00210
3 read::<u8> [function] [call site] 00211
3 usize::num_from [function] [call site] 00212
2 format4::invalid_offset [function] [call site] 00214
2 usize::num_from [function] [call site] 00215
2 usize::num_from [function] [call site] 00216
2 EndpointsIter::new [function] [call site] 00218
3 BinarySearchTable::get [function] [call site] 00220
4 BinarySearchTable::get [function] [call site] 00221
4 BinarySearchTable::get [function] [call site] 00222
4 LookupSegment::contains [function] [call site] 00223
2 FlagsIter::new [function] [call site] 00225
3 Stream::new [function] [call site] 00226
3 SimpleGlyphFlags [function] [call site] 00227
2 BinarySearchTable::get [function] [call site] 00228
3 BinarySearchTable::get [function] [call site] 00229
3 BinarySearchTable::get [function] [call site] 00230
3 LookupSegment::contains [function] [call site] 00231
2 CoordsIter::new [function] [call site] 00233
3 Stream::new [function] [call site] 00234
2 BinarySearchTable::get [function] [call site] 00235
2 CoordsIter::new [function] [call site] 00236
2 BinarySearchTable::get [function] [call site] 00237
1 ttf_parser::GlyphId [function] [call site] 00238
1 Face::parse [function] [call site] 00239
2 RawFace::parse [function] [call site] 00240
3 Stream::new [function] [call site] 00241
3 read::<Magic> [function] [call site] 00242
3 skip::<u32> [function] [call site] 00244
3 read::<u32> [function] [call site] 00245
3 read_array32::<Offset32> [function] [call site] 00247
3 BinarySearchTable::get [function] [call site] 00249
3 Offset16::to_usize [function] [call site] 00251
3 checked_sub [function] [call site] 00252
3 format4::invalid_offset [function] [call site] 00253
3 Stream::advance_checked [function] [call site] 00255
4 LazyArray16::len [function] [call site] 00256
4 Stream::advance [function] [call site] 00257
3 Option::ok_or [function] [call site] 00259
3 read::<Magic> [function] [call site] 00260
3 read::<u16> [function] [call site] 00264
3 ttfp_get_glyph_hor_advance [function] [call site] 00266
3 read_array16::<TableRecord> [function] [call site] 00267
2 Face::collect_tables [function] [call site] 00270
3 LazyArray16::default [function] [call site] 00271
3 usize::num_from [function] [call site] 00272
3 Self::checked_add [function] [call site] 00273
3 usize::num_from [function] [call site] 00274
3 BinarySearchTable::get [function] [call site] 00275
3 Tag::to_bytes [function] [call site] 00276
3 Option::unwrap_or_default [function] [call site] 00277
3 Option::unwrap_or_default [function] [call site] 00278
3 Option::unwrap_or_default [function] [call site] 00279
2 VarCoords::default [function] [call site] 00280
3 LazyArray16::default [function] [call site] 00281
3 LazyArray16::default [function] [call site] 00282
2 Face::parse_tables [function] [call site] 00283
3 head::Table::parse [function] [call site] 00284
4 Stream::new [function] [call site] 00285
4 Stream::read [function] [call site] 00286
4 read::<Offset16> [function] [call site] 00287
4 Offset16::to_usize [function] [call site] 00288
4 read::<Offset16> [function] [call site] 00289
4 Offset16::to_usize [function] [call site] 00290
4 read::<Offset16> [function] [call site] 00291
4 Offset16::to_usize [function] [call site] 00292
4 Stream::new_at [function] [call site] 00293
4 Stream::read [function] [call site] 00294
4 Stream::read [function] [call site] 00295
4 Stream::read_bytes [function] [call site] 00296
4 usize::num_from [function] [call site] 00297
4 BinarySearchTable::get [function] [call site] 00299
4 BinarySearchTable::get [function] [call site] 00300
3 Option::ok_or [function] [call site] 00301
3 hhea::Table::parse [function] [call site] 00302
4 Stream::new [function] [call site] 00303
4 Stream::read [function] [call site] 00304
4 read::<Offset16> [function] [call site] 00305
4 Offset16::to_usize [function] [call site] 00306
4 read::<Offset16> [function] [call site] 00307
4 Offset16::to_usize [function] [call site] 00308
4 read::<Offset16> [function] [call site] 00309
4 Offset16::to_usize [function] [call site] 00310
4 Stream::new_at [function] [call site] 00311
4 Stream::read [function] [call site] 00312
4 Stream::read [function] [call site] 00313
4 Stream::read_bytes [function] [call site] 00314
4 usize::num_from [function] [call site] 00315
4 BinarySearchTable::get [function] [call site] 00317
4 BinarySearchTable::get [function] [call site] 00318
3 Option::ok_or [function] [call site] 00319
3 maxp::Table::parse [function] [call site] 00320
4 Stream::new [function] [call site] 00321
4 Stream::read [function] [call site] 00322
4 read::<Offset16> [function] [call site] 00323
4 Offset16::to_usize [function] [call site] 00324
4 read::<Offset16> [function] [call site] 00325
4 Offset16::to_usize [function] [call site] 00326
4 read::<Offset16> [function] [call site] 00327
4 Offset16::to_usize [function] [call site] 00328
4 Stream::new_at [function] [call site] 00329
4 Stream::read [function] [call site] 00330
4 Stream::read [function] [call site] 00331
4 Stream::read_bytes [function] [call site] 00332
4 usize::num_from [function] [call site] 00333
4 BinarySearchTable::get [function] [call site] 00335
4 BinarySearchTable::get [function] [call site] 00336
3 Option::ok_or [function] [call site] 00337
3 hmtx::Table::parse [function] [call site] 00339
4 Stream::new [function] [call site] 00340
4 Stream::read [function] [call site] 00341
4 read::<Offset16> [function] [call site] 00342
4 Offset16::to_usize [function] [call site] 00343
4 read::<Offset16> [function] [call site] 00344
4 Offset16::to_usize [function] [call site] 00345
4 read::<Offset16> [function] [call site] 00346
4 Offset16::to_usize [function] [call site] 00347
4 Stream::new_at [function] [call site] 00348
4 Stream::read [function] [call site] 00349
4 Stream::read [function] [call site] 00350
4 Stream::read_bytes [function] [call site] 00351
4 usize::num_from [function] [call site] 00352
4 BinarySearchTable::get [function] [call site] 00354
4 BinarySearchTable::get [function] [call site] 00355
3 hmtx::Table::parse [function] [call site] 00358
3 loca::Table::parse [function] [call site] 00360
4 Stream::new [function] [call site] 00361
4 Stream::read [function] [call site] 00362
4 read::<Offset16> [function] [call site] 00363
4 Offset16::to_usize [function] [call site] 00364
4 read::<Offset16> [function] [call site] 00365
4 Offset16::to_usize [function] [call site] 00366
4 read::<Offset16> [function] [call site] 00367
4 Offset16::to_usize [function] [call site] 00368
4 Stream::new_at [function] [call site] 00369
4 Stream::read [function] [call site] 00370
4 Stream::read [function] [call site] 00371
4 Stream::read_bytes [function] [call site] 00372
4 usize::num_from [function] [call site] 00373
4 BinarySearchTable::get [function] [call site] 00375
4 BinarySearchTable::get [function] [call site] 00376
3 glyf::Table::parse [function] [call site] 00378
4 Stream::new [function] [call site] 00379
4 Stream::read [function] [call site] 00380
4 read::<Offset16> [function] [call site] 00381
4 Offset16::to_usize [function] [call site] 00382
4 read::<Offset16> [function] [call site] 00383
4 Offset16::to_usize [function] [call site] 00384
4 read::<Offset16> [function] [call site] 00385
4 Offset16::to_usize [function] [call site] 00386
4 Stream::new_at [function] [call site] 00387
4 Stream::read [function] [call site] 00388
4 Stream::read [function] [call site] 00389
4 Stream::read_bytes [function] [call site] 00390
4 usize::num_from [function] [call site] 00391
4 BinarySearchTable::get [function] [call site] 00393
4 BinarySearchTable::get [function] [call site] 00394
3 cbdt::Table::parse [function] [call site] 00397
4 Stream::new [function] [call site] 00398
4 Stream::read [function] [call site] 00399
4 read::<Offset16> [function] [call site] 00400
4 Offset16::to_usize [function] [call site] 00401
4 read::<Offset16> [function] [call site] 00402
4 Offset16::to_usize [function] [call site] 00403
4 read::<Offset16> [function] [call site] 00404
4 Offset16::to_usize [function] [call site] 00405
4 Stream::new_at [function] [call site] 00406
4 Stream::read [function] [call site] 00407
4 Stream::read [function] [call site] 00408
4 Stream::read_bytes [function] [call site] 00409
4 usize::num_from [function] [call site] 00410
4 BinarySearchTable::get [function] [call site] 00412
4 BinarySearchTable::get [function] [call site] 00413
3 cbdt::Table::parse [function] [call site] 00416
3 cbdt::Table::parse [function] [call site] 00419
3 colr::Table::parse [function] [call site] 00422
4 Stream::new [function] [call site] 00423
4 Stream::read [function] [call site] 00424
4 read::<Offset16> [function] [call site] 00425
4 Offset16::to_usize [function] [call site] 00426
4 read::<Offset16> [function] [call site] 00427
4 Offset16::to_usize [function] [call site] 00428
4 read::<Offset16> [function] [call site] 00429
4 Offset16::to_usize [function] [call site] 00430
4 Stream::new_at [function] [call site] 00431
4 Stream::read [function] [call site] 00432
4 Stream::read [function] [call site] 00433
4 Stream::read_bytes [function] [call site] 00434
4 usize::num_from [function] [call site] 00435
4 BinarySearchTable::get [function] [call site] 00437
4 BinarySearchTable::get [function] [call site] 00438
3 sbix::Table::parse [function] [call site] 00447
4 Stream::new [function] [call site] 00448
4 Stream::read [function] [call site] 00449
4 read::<Offset16> [function] [call site] 00450
4 Offset16::to_usize [function] [call site] 00451
4 read::<Offset16> [function] [call site] 00452
4 Offset16::to_usize [function] [call site] 00453
4 read::<Offset16> [function] [call site] 00454
4 Offset16::to_usize [function] [call site] 00455
4 Stream::new_at [function] [call site] 00456
4 Stream::read [function] [call site] 00457
4 Stream::read [function] [call site] 00458
4 Stream::read_bytes [function] [call site] 00459
4 usize::num_from [function] [call site] 00460
4 BinarySearchTable::get [function] [call site] 00462
4 BinarySearchTable::get [function] [call site] 00463
3 ankr::Table::parse [function] [call site] 00473
4 Stream::new [function] [call site] 00474
4 Stream::read [function] [call site] 00475
4 read::<Offset16> [function] [call site] 00476
4 Offset16::to_usize [function] [call site] 00477
4 read::<Offset16> [function] [call site] 00478
4 Offset16::to_usize [function] [call site] 00479
4 read::<Offset16> [function] [call site] 00480
4 Offset16::to_usize [function] [call site] 00481
4 Stream::new_at [function] [call site] 00482
4 Stream::read [function] [call site] 00483
4 Stream::read [function] [call site] 00484
4 Stream::read_bytes [function] [call site] 00485
4 usize::num_from [function] [call site] 00486
4 BinarySearchTable::get [function] [call site] 00488
4 BinarySearchTable::get [function] [call site] 00489
3 kerx::Table::parse [function] [call site] 00492
4 Stream::new [function] [call site] 00493
4 Stream::read [function] [call site] 00494
4 read::<Offset16> [function] [call site] 00495
4 Offset16::to_usize [function] [call site] 00496
4 read::<Offset16> [function] [call site] 00497
4 Offset16::to_usize [function] [call site] 00498
4 read::<Offset16> [function] [call site] 00499
4 Offset16::to_usize [function] [call site] 00500
4 Stream::new_at [function] [call site] 00501
4 Stream::read [function] [call site] 00502
4 Stream::read [function] [call site] 00503
4 Stream::read_bytes [function] [call site] 00504
4 usize::num_from [function] [call site] 00505
4 BinarySearchTable::get [function] [call site] 00507
4 BinarySearchTable::get [function] [call site] 00508
3 morx::Table::parse [function] [call site] 00510
4 Stream::new [function] [call site] 00511
4 Stream::read [function] [call site] 00512
4 read::<Offset16> [function] [call site] 00513
4 Offset16::to_usize [function] [call site] 00514
4 read::<Offset16> [function] [call site] 00515
4 Offset16::to_usize [function] [call site] 00516
4 read::<Offset16> [function] [call site] 00517
4 Offset16::to_usize [function] [call site] 00518
4 Stream::new_at [function] [call site] 00519
4 Stream::read [function] [call site] 00520
4 Stream::read [function] [call site] 00521
4 Stream::read_bytes [function] [call site] 00522
4 usize::num_from [function] [call site] 00523
4 BinarySearchTable::get [function] [call site] 00525
4 BinarySearchTable::get [function] [call site] 00526
2 LazyArray16::len [function] [call site] 00535
2 Constants::subscript_baseline_drop_min [function] [call site] 00536
3 Constants::read_record [function] [call site] 00537
4 BinarySearchTable::get [function] [call site] 00538
4 MathValue::parse [function] [call site] 00540
5 MathValueRecord::parse [function] [call site] 00542
6 Stream::new [function] [call site] 00543
6 read::<i16> [function] [call site] 00544
6 read::<Option<Offset16>> [function] [call site] 00545
5 BinarySearchTable::get [function] [call site] 00547
4 unwrap_or [function] [call site] 00548
1 Writer::new [function] [call site] 00551
1 VecPainter::outline_glyph [function] [call site] 00552
2 GenericStateEntry::has_push [function] [call site] 00553
2 Command::OutlineGlyph [function] [call site] 00554
1 ttf_parser::GlyphId [function] [call site] 00555