Fuzz introspector: structured_roundtrip
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
505 0 EP call site: 00000 fuzz_round_trip

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 fuzz_round_trip [function] [call site] 00001
2 Writer::new [function] [call site] 00002
2 Writer::new [function] [call site] 00003
2 Writer::new [function] [call site] 00004
2 NamespaceResolver::iter [function] [call site] 00005
2 Writer::write_event [function] [call site] 00006
3 io::Result::into [function] [call site] 00007
4 push_str [function] [call site] 00008
4 std::str::from_utf8 [function] [call site] 00009
4 decode_into [function] [call site] 00010
5 push_str [function] [call site] 00011
5 std::str::from_utf8 [function] [call site] 00012
5 Ok [function] [call site] 00013
5 new_decoder_without_bom_handling [function] [call site] 00014
5 reserve [function] [call site] 00015
5 Decoder::max_utf8_buffer_length_without_replacement [function] [call site] 00016
5 name_len [function] [call site] 00017
6 is_whitespace [function] [call site] 00018
5 unwrap [function] [call site] 00019
5 Decoder::decode_to_string_without_replacement [function] [call site] 00020
5 Ok [function] [call site] 00021
5 Err [function] [call site] 00022
5 EncodingError::Other [function] [call site] 00023
4 Ok [function] [call site] 00024
3 Writer::write_wrapped [function] [call site] 00025
4 write_all [function] [call site] 00026
4 write_all [function] [call site] 00027
4 Indentation::current [function] [call site] 00028
4 Writer::write [function] [call site] 00029
5 write_all [function] [call site] 00030
5 map_err [function] [call site] 00031
4 Writer::write [function] [call site] 00032
4 Writer::write [function] [call site] 00033
4 Ok [function] [call site] 00034
3 as_mut [function] [call site] 00035
3 Indentation::grow [function] [call site] 00036
4 Indentation::ensure [function] [call site] 00037
5 name_len [function] [call site] 00038
5 resize [function] [call site] 00039
3 as_mut [function] [call site] 00040
3 Indentation::shrink [function] [call site] 00041
4 saturating_sub [function] [call site] 00042
3 Writer::write_wrapped [function] [call site] 00043
3 Writer::write_wrapped [function] [call site] 00044
3 Writer::write [function] [call site] 00045
3 Writer::write_wrapped [function] [call site] 00046
3 Writer::write [function] [call site] 00047
3 Writer::write [function] [call site] 00048
3 Writer::write [function] [call site] 00049
3 Writer::write_wrapped [function] [call site] 00050
3 Writer::write_wrapped [function] [call site] 00051
3 Writer::write_wrapped [function] [call site] 00052
3 Writer::write_wrapped [function] [call site] 00053
3 Ok [function] [call site] 00054
3 as_mut [function] [call site] 00055
2 io::Result::borrow [function] [call site] 00056
3 Cow::Borrowed [function] [call site] 00057
2 Writer::write_bom [function] [call site] 00058
3 Writer::write [function] [call site] 00059
2 Writer::write_indent [function] [call site] 00060
3 write_all [function] [call site] 00061
3 write_all [function] [call site] 00062
3 Indentation::current [function] [call site] 00063
3 Ok [function] [call site] 00064
2 Writer::create_element [function] [call site] 00065
3 BytesStart::new [function] [call site] 00066
4 str_cow_to_bytes [function] [call site] 00067
5 Decoder::decode_into [function] [call site] 00068
6 push_str [function] [call site] 00069
6 std::str::from_utf8 [function] [call site] 00070
6 decode_into [function] [call site] 00071
6 Ok [function] [call site] 00072
5 Cow::Borrowed [function] [call site] 00073
5 as_bytes [function] [call site] 00074
5 Cow::Owned [function] [call site] 00075
5 into_bytes [function] [call site] 00076
4 name_len [function] [call site] 00077
4 Decoder::utf8 [function] [call site] 00078
3 Writer::new [function] [call site] 00079
2 ElementWriter::with_attributes [function] [call site] 00080
3 into_iter [function] [call site] 00081
3 PrefixIter::next [function] [call site] 00082
4 BytesPI::target [function] [call site] 00083
5 reserved_name [function] [call site] 00084
6 NsReader::from_str [function] [call site] 00085
7 Writer::new [function] [call site] 00086
7 Reader::from_str [function] [call site] 00087
8 NsReader::from_reader [function] [call site] 00088
9 Writer::new [function] [call site] 00089
9 Reader::from_reader [function] [call site] 00090
10 ReaderState::default [function] [call site] 00091
11 Config::default [function] [call site] 00092
11 Writer::new [function] [call site] 00093
11 Writer::new [function] [call site] 00094
11 EncodingRef::Implicit [function] [call site] 00095
8 as_bytes [function] [call site] 00096
8 EncodingRef::Explicit [function] [call site] 00097
8 NsReader::from_reader [function] [call site] 00098
8 as_bytes [function] [call site] 00099
6 NsReader::read_resolved_event [function] [call site] 00100
7 NsReader::read_event_impl [function] [call site] 00101
8 NsReader::pop [function] [call site] 00102
9 NamespaceResolver::pop [function] [call site] 00103
10 NamespaceResolver::iter [function] [call site] 00104
10 rposition [function] [call site] 00105
10 clear [function] [call site] 00106
10 clear [function] [call site] 00107
10 BytesPI::target [function] [call site] 00108
10 Attr::map [function] [call site] 00109
11 Attr::DoubleQ [function] [call site] 00110
11 trivial::byte_buf [function] [call site] 00111
12 from_str::<Trivial<ByteBuf>> [function] [call site] 00112
11 trivial::byte_buf [function] [call site] 00113
11 Attr::SingleQ [function] [call site] 00114
11 trivial::byte_buf [function] [call site] 00115
11 trivial::byte_buf [function] [call site] 00116
11 Attr::Empty [function] [call site] 00117
11 trivial::byte_buf [function] [call site] 00118
11 Attr::Unquoted [function] [call site] 00119
11 trivial::byte_buf [function] [call site] 00120
11 trivial::byte_buf [function] [call site] 00121
10 truncate [function] [call site] 00122
10 truncate [function] [call site] 00123
8 read_event_impl [function] [call site] 00124
9 detect_encoding [function] [call site] 00125
9 can_be_refined [function] [call site] 00126
9 crate::reader::EncodingRef::BomDetected [function] [call site] 00127
9 remove_utf8_bom [function] [call site] 00128
9 read_ref [function] [call site] 00129
9 Ok [function] [call site] 00130
9 Event::GeneralRef [function] [call site] 00131
9 BytesRef::wrap [function] [call site] 00132
9 decoder [function] [call site] 00133
9 Ok [function] [call site] 00134
9 Event::Text [function] [call site] 00135
9 emit_text [function] [call site] 00136
9 Err [function] [call site] 00137
9 Error::IllFormed [function] [call site] 00138
9 Ok [function] [call site] 00139
9 Event::Text [function] [call site] 00140
9 emit_text [function] [call site] 00141
9 Err [function] [call site] 00142
9 Error::IllFormed [function] [call site] 00143
9 Ok [function] [call site] 00144
9 Event::Text [function] [call site] 00145
9 emit_text [function] [call site] 00146
9 Err [function] [call site] 00147
9 Error::IllFormed [function] [call site] 00148
9 Err [function] [call site] 00149
9 Error::Io [function] [call site] 00150
9 into [function] [call site] 00151
9 skip_whitespace [function] [call site] 00152
9 read_text [function] [call site] 00153
9 Ok [function] [call site] 00154
9 Event::Text [function] [call site] 00155
9 emit_text [function] [call site] 00156
9 Ok [function] [call site] 00157
9 Event::Text [function] [call site] 00158
9 emit_text [function] [call site] 00159
9 emit_text [function] [call site] 00160
9 io::Result::is_empty [function] [call site] 00161
9 Ok [function] [call site] 00162
9 Ok [function] [call site] 00163
9 Event::Text [function] [call site] 00164
9 Err [function] [call site] 00165
9 Error::Io [function] [call site] 00166
9 into [function] [call site] 00167
9 Ok [function] [call site] 00168
9 Event::End [function] [call site] 00169
9 close_expanded_empty [function] [call site] 00170
9 Ok [function] [call site] 00171
8 NsReader::process_event [function] [call site] 00172
9 NamespaceResolver::push [function] [call site] 00173
10 attributes [function] [call site] 00174
11 benchmark_group [function] [call site] 00175
11 bench_function [function] [call site] 00176
11 NamespaceResolver::iter [function] [call site] 00177
11 Reader::from_str [function] [call site] 00178
11 NsReader::config_mut [function] [call site] 00179
12 NsReader::config_mut [function] [call site] 00180
11 std::hint::black_box [function] [call site] 00181
11 read_event [function] [call site] 00182
12 benchmark_group [function] [call site] 00183
12 bench_function [function] [call site] 00184
12 NamespaceResolver::iter [function] [call site] 00185
12 Reader::from_str [function] [call site] 00186
12 NsReader::config_mut [function] [call site] 00187
12 std::hint::black_box [function] [call site] 00188
12 read_event [function] [call site] 00189
12 bench_function [function] [call site] 00190
12 NamespaceResolver::iter [function] [call site] 00191
12 Reader::from_str [function] [call site] 00192
12 NsReader::config_mut [function] [call site] 00193
12 Config::trim_text [function] [call site] 00194
12 std::hint::black_box [function] [call site] 00195
12 read_event [function] [call site] 00196
12 finish [function] [call site] 00197
11 attributes [function] [call site] 00198
11 unwrap [function] [call site] 00199
11 bench_function [function] [call site] 00200
11 NamespaceResolver::iter [function] [call site] 00201
11 Reader::from_str [function] [call site] 00202
11 NsReader::config_mut [function] [call site] 00203
11 std::hint::black_box [function] [call site] 00204
11 read_event [function] [call site] 00205
11 attributes [function] [call site] 00206
11 Attributes::with_checks [function] [call site] 00207
11 unwrap [function] [call site] 00208
11 bench_function [function] [call site] 00209
11 NamespaceResolver::iter [function] [call site] 00210
11 Reader::from_str [function] [call site] 00211
11 NsReader::config_mut [function] [call site] 00212
11 std::hint::black_box [function] [call site] 00213
11 read_event [function] [call site] 00214
11 reserved_name [function] [call site] 00215
11 quick_xml::name::QName [function] [call site] 00216
11 BytesStart::try_get_attribute [function] [call site] 00217
12 BytesStart::attributes [function] [call site] 00218
13 Attributes::wrap [function] [call site] 00219
14 IterState::new [function] [call site] 00220
15 State::Next [function] [call site] 00221
15 Writer::new [function] [call site] 00222
12 Attributes::with_checks [function] [call site] 00223
12 QName::as_ref [function] [call site] 00224
12 QName::as_ref [function] [call site] 00225
12 Ok [function] [call site] 00226
12 Some [function] [call site] 00227
12 Ok [function] [call site] 00228
11 Result::unwrap [function] [call site] 00229
11 finish [function] [call site] 00230
10 Attributes::with_checks [function] [call site] 00231
10 QName::as_namespace_binding [function] [call site] 00232
11 starts_with [function] [call site] 00233
11 BytesPI::target [function] [call site] 00234
11 Some [function] [call site] 00235
11 Some [function] [call site] 00236
11 PrefixDeclaration::Named [function] [call site] 00237
10 name_len [function] [call site] 00238
10 extend_from_slice [function] [call site] 00239
10 NamespaceResolver::push [function] [call site] 00240
10 name_len [function] [call site] 00241
10 Namespace [function] [call site] 00242
10 Err [function] [call site] 00243
10 NamespaceError::InvalidXmlPrefixBind [function] [call site] 00244
10 to_vec [function] [call site] 00245
10 Err [function] [call site] 00246
10 NamespaceError::InvalidXmlnsPrefixBind [function] [call site] 00247
10 to_vec [function] [call site] 00248
10 Namespace [function] [call site] 00249
10 Err [function] [call site] 00250
10 NamespaceError::InvalidPrefixForXml [function] [call site] 00251
10 Option::to_vec [function] [call site] 00252
10 Err [function] [call site] 00253
10 NamespaceError::InvalidPrefixForXmlns [function] [call site] 00254
10 Option::to_vec [function] [call site] 00255
10 name_len [function] [call site] 00256
10 extend_from_slice [function] [call site] 00257
10 extend_from_slice [function] [call site] 00258
10 NamespaceResolver::push [function] [call site] 00259
10 Option::len [function] [call site] 00260
11 is_whitespace [function] [call site] 00261
10 name_len [function] [call site] 00262
10 Ok [function] [call site] 00263
9 Ok [function] [call site] 00264
9 Event::Start [function] [call site] 00265
9 NamespaceResolver::push [function] [call site] 00266
9 Ok [function] [call site] 00267
9 Event::Empty [function] [call site] 00268
9 Ok [function] [call site] 00269
9 Event::End [function] [call site] 00270
7 NsReader::resolve_event [function] [call site] 00271
8 Ok [function] [call site] 00272
8 NamespaceResolver::find [function] [call site] 00273
9 NamespaceResolver::resolve_prefix [function] [call site] 00274
10 NamespaceResolver::iter [function] [call site] 00275
10 rev [function] [call site] 00276
10 find_map [function] [call site] 00277
10 QName::prefix [function] [call site] 00278
11 QName::index [function] [call site] 00279
12 memchr::memchr [function] [call site] 00280
11 Attr::map [function] [call site] 00281
12 Attr::DoubleQ [function] [call site] 00282
12 trivial::byte_buf [function] [call site] 00283
12 trivial::byte_buf [function] [call site] 00284
12 Attr::SingleQ [function] [call site] 00285
12 trivial::byte_buf [function] [call site] 00286
12 trivial::byte_buf [function] [call site] 00287
12 Attr::Empty [function] [call site] 00288
12 trivial::byte_buf [function] [call site] 00289
12 Attr::Unquoted [function] [call site] 00290
12 trivial::byte_buf [function] [call site] 00291
12 trivial::byte_buf [function] [call site] 00292
11 Prefix [function] [call site] 00293
10 Some [function] [call site] 00294
10 namespace [function] [call site] 00295
11 NsReader::from_str [function] [call site] 00296
11 NsReader::read_resolved_event [function] [call site] 00297
11 NsReader::prefixes [function] [call site] 00298
12 NamespaceResolver::iter [function] [call site] 00299
11 PrefixIter::clone [function] [call site] 00300
11 NsReader::read_resolved_event [function] [call site] 00301
11 NsReader::prefixes [function] [call site] 00302
11 NsReader::read_resolved_event [function] [call site] 00303
11 NsReader::prefixes [function] [call site] 00304
11 NsReader::read_resolved_event [function] [call site] 00305
11 NsReader::prefixes [function] [call site] 00306
11 NsReader::read_resolved_event [function] [call site] 00307
11 NsReader::prefixes [function] [call site] 00308
10 Some [function] [call site] 00309
10 Some [function] [call site] 00310
10 NamespaceResolver::maybe_unknown [function] [call site] 00311
11 ResolveResult::Unknown [function] [call site] 00312
11 Writer::into_inner [function] [call site] 00313
11 W::to_vec [function] [call site] 00314
10 Some [function] [call site] 00315
10 namespace [function] [call site] 00316
10 unwrap_or_else [function] [call site] 00317
10 NamespaceResolver::maybe_unknown [function] [call site] 00318
9 QName::prefix [function] [call site] 00319
8 reserved_name [function] [call site] 00320
8 Event::Start [function] [call site] 00321
8 Ok [function] [call site] 00322
8 NamespaceResolver::find [function] [call site] 00323
8 reserved_name [function] [call site] 00324
8 Event::Empty [function] [call site] 00325
8 Ok [function] [call site] 00326
8 NamespaceResolver::find [function] [call site] 00327
8 reserved_name [function] [call site] 00328
8 Event::End [function] [call site] 00329
8 Ok [function] [call site] 00330
8 Err [function] [call site] 00331
4 QName::prefix [function] [call site] 00332
4 NamespaceResolver::iter [function] [call site] 00333
4 ignored_any [function] [call site] 00334
5 from_str::<IgnoredAny> [function] [call site] 00335
5 from_str::<IgnoredAny> [function] [call site] 00336
5 unwrap [function] [call site] 00337
5 from_str::<IgnoredAny> [function] [call site] 00338
5 unwrap [function] [call site] 00339
5 from_str::<IgnoredAny> [function] [call site] 00340
5 unwrap [function] [call site] 00341
5 from_str::<IgnoredAny> [function] [call site] 00342
5 unwrap [function] [call site] 00343
5 from_str::<IgnoredAny> [function] [call site] 00344
5 unwrap [function] [call site] 00345
4 QName::prefix [function] [call site] 00346
4 namespace [function] [call site] 00347
4 PrefixDeclaration::Named [function] [call site] 00348
4 Some [function] [call site] 00349
3 ElementWriter::write_attr [function] [call site] 00350
4 as_mut [function] [call site] 00351
4 BytesStart::push_attribute [function] [call site] 00352
5 to_mut [function] [call site] 00353
5 NamespaceResolver::push [function] [call site] 00354
5 BytesStart::push_attr [function] [call site] 00355
6 to_mut [function] [call site] 00356
6 extend_from_slice [function] [call site] 00357
6 QName::as_ref [function] [call site] 00358
6 extend_from_slice [function] [call site] 00359
6 extend_from_slice [function] [call site] 00360
6 QName::as_ref [function] [call site] 00361
6 NamespaceResolver::push [function] [call site] 00362
5 Decoder::decode_into [function] [call site] 00363
4 AttributeIndent::Spaces [function] [call site] 00364
4 reserved_name [function] [call site] 00365
4 QName::as_ref [function] [call site] 00366
4 name_len [function] [call site] 00367
4 name_len [function] [call site] 00368
4 resize [function] [call site] 00369
4 BytesStart::push_indent [function] [call site] 00370
5 to_mut [function] [call site] 00371
5 extend_from_slice [function] [call site] 00372
4 BytesStart::push_attr [function] [call site] 00373
5 to_mut [function] [call site] 00374
5 extend_from_slice [function] [call site] 00375
5 QName::as_ref [function] [call site] 00376
5 extend_from_slice [function] [call site] 00377
5 extend_from_slice [function] [call site] 00378
5 QName::as_ref [function] [call site] 00379
5 NamespaceResolver::push [function] [call site] 00380
4 Decoder::decode_into [function] [call site] 00381
4 AttributeIndent::Spaces [function] [call site] 00382
4 BytesStart::push_attribute [function] [call site] 00383
4 AttributeIndent::Spaces [function] [call site] 00384
4 BytesStart::push_indent [function] [call site] 00385
4 Indentation::additional [function] [call site] 00386
5 Indentation::ensure [function] [call site] 00387
4 BytesStart::push_attr [function] [call site] 00388
4 Decoder::decode_into [function] [call site] 00389
4 AttributeIndent::Configured [function] [call site] 00390
4 BytesStart::push_attribute [function] [call site] 00391
4 AttributeIndent::Configured [function] [call site] 00392
4 BytesStart::push_attribute [function] [call site] 00393
3 Decoder::decode_into [function] [call site] 00394
3 BytesStart::extend_attributes [function] [call site] 00395
4 BytesStart::push_attribute [function] [call site] 00396
5 to_mut [function] [call site] 00397
5 NamespaceResolver::push [function] [call site] 00398
5 BytesStart::push_attr [function] [call site] 00399
5 Decoder::decode_into [function] [call site] 00400
2 into_iter [function] [call site] 00401
2 copied [function] [call site] 00402
2 ElementWriter::write_text_content [function] [call site] 00403
3 Writer::write_event [function] [call site] 00404
4 io::Result::into [function] [call site] 00405
4 Writer::write_wrapped [function] [call site] 00406
4 as_mut [function] [call site] 00407
4 Indentation::grow [function] [call site] 00408
4 as_mut [function] [call site] 00409
4 Indentation::shrink [function] [call site] 00410
4 Writer::write_wrapped [function] [call site] 00411
4 Writer::write_wrapped [function] [call site] 00412
4 Writer::write [function] [call site] 00413
4 Writer::write_wrapped [function] [call site] 00414
4 Writer::write [function] [call site] 00415
4 Writer::write [function] [call site] 00416
4 Writer::write [function] [call site] 00417
4 Writer::write_wrapped [function] [call site] 00418
4 Writer::write_wrapped [function] [call site] 00419
4 Writer::write_wrapped [function] [call site] 00420
4 Writer::write_wrapped [function] [call site] 00421
4 Ok [function] [call site] 00422
4 as_mut [function] [call site] 00423
3 Event::Start [function] [call site] 00424
3 BytesStart::borrow [function] [call site] 00425
4 Cow::Borrowed [function] [call site] 00426
3 Writer::write_event [function] [call site] 00427
3 Event::Text [function] [call site] 00428
3 Writer::write_event [function] [call site] 00429
3 Event::End [function] [call site] 00430
3 NsReader::read_to_end [function] [call site] 00431
4 read_to_end [function] [call site] 00432
5 config_mut [function] [call site] 00433
5 buffer_position [function] [call site] 00434
5 buffer_position [function] [call site] 00435
5 config_mut [function] [call site] 00436
5 Err [function] [call site] 00437
5 name [function] [call site] 00438
5 name [function] [call site] 00439
5 config_mut [function] [call site] 00440
5 config_mut [function] [call site] 00441
5 Err [function] [call site] 00442
5 Error::missed_end [function] [call site] 00443
5 decoder [function] [call site] 00444
3 Ok [function] [call site] 00445
2 BytesText::from_escaped [function] [call site] 00446
3 BytesStart::wrap [function] [call site] 00447
4 Cow::Borrowed [function] [call site] 00448
3 str_cow_to_bytes [function] [call site] 00449
3 Decoder::utf8 [function] [call site] 00450
2 ElementWriter::write_cdata_content [function] [call site] 00451
3 Writer::write_event [function] [call site] 00452
3 Event::Start [function] [call site] 00453
3 BytesStart::borrow [function] [call site] 00454
3 Writer::write_event [function] [call site] 00455
3 Event::CData [function] [call site] 00456
3 Writer::write_event [function] [call site] 00457
3 Event::End [function] [call site] 00458
3 NsReader::read_to_end [function] [call site] 00459
3 Ok [function] [call site] 00460
2 BytesCData::new [function] [call site] 00461
3 BytesStart::wrap [function] [call site] 00462
3 str_cow_to_bytes [function] [call site] 00463
3 Decoder::utf8 [function] [call site] 00464
2 ElementWriter::write_pi_content [function] [call site] 00465
3 Writer::write_event [function] [call site] 00466
3 Event::Start [function] [call site] 00467
3 BytesStart::borrow [function] [call site] 00468
3 Writer::write_event [function] [call site] 00469
3 Event::PI [function] [call site] 00470
3 Writer::write_event [function] [call site] 00471
3 Event::End [function] [call site] 00472
3 NsReader::read_to_end [function] [call site] 00473
3 Ok [function] [call site] 00474
2 BytesPI::new [function] [call site] 00475
3 str_cow_to_bytes [function] [call site] 00476
3 utils::name_len [function] [call site] 00477
4 is_whitespace [function] [call site] 00478
3 Decoder::utf8 [function] [call site] 00479
2 ElementWriter::write_empty [function] [call site] 00480
3 Writer::write_event [function] [call site] 00481
3 Event::Empty [function] [call site] 00482
3 Ok [function] [call site] 00483
2 Writer::into_inner [function] [call site] 00484
2 Writer::into_inner [function] [call site] 00485
2 Reader::from_str [function] [call site] 00486
2 std::str::from_utf8 [function] [call site] 00487
2 unwrap [function] [call site] 00488
2 NsReader::config_mut [function] [call site] 00489
3 NsReader::config_mut [function] [call site] 00490
2 clone [function] [call site] 00491
2 std::hint::black_box [function] [call site] 00492
2 NsReader::read_event [function] [call site] 00493
3 NsReader::read_event_impl [function] [call site] 00494
2 NsReader::from_reader [function] [call site] 00495
3 Writer::new [function] [call site] 00496
3 Reader::from_reader [function] [call site] 00497
2 NsReader::config_mut [function] [call site] 00498
2 std::hint::black_box [function] [call site] 00499
2 NsReader::read_event [function] [call site] 00500
2 Ok [function] [call site] 00501
1 std::hint::black_box [function] [call site] 00502
1 debug_format [function] [call site] 00503
2 std::hint::black_box [function] [call site] 00504
2 debug_format [function] [call site] 00505