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
74 153 NamespaceResolver::set_level call site: 00153 NsReader::read_resolved_event
49 242 NamespaceResolver::pop call site: 00242 read_event_impl
23 93 fuzz_round_trip call site: 00093 SpecIter::next
21 21 fuzz_round_trip call site: 00021 Writer::write_wrapped
21 47 Writer::write_wrapped call site: 00047 Writer::write_wrapped
21 299 NsReader::process_event call site: 00299 NsReader::read_event
19 413 ElementWriter::write_text_content call site: 00413 Writer::write_wrapped
15 440 ElementWriter::write_text_content call site: 00440 read_to_end
14 78 fuzz_round_trip call site: 00078 Decoder::decode_into
11 121 NamespaceResolver::push call site: 00121
11 228 NamespaceResolver::set_level call site: 00228
11 373 BytesStart::push_attr call site: 00373 Decoder::decode_into

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 DecodingReader::new [function] [call site] 00003
3 new_decoder_without_bom_handling [function] [call site] 00004
3 into_boxed_slice [function] [call site] 00005
3 DecodingReader::new [function] [call site] 00007
4 new_decoder_without_bom_handling [function] [call site] 00008
4 into_boxed_slice [function] [call site] 00009
4 DecodingReader::new [function] [call site] 00011
2 DecodingReader::new [function] [call site] 00012
3 new_decoder_without_bom_handling [function] [call site] 00013
3 into_boxed_slice [function] [call site] 00014
3 DecodingReader::new [function] [call site] 00016
2 to_writer [function] [call site] 00017
3 ByteBuf::deserialize [function] [call site] 00018
4 deserialize_byte_buf [function] [call site] 00019
3 Serializer::new [function] [call site] 00020
2 Writer::write_event [function] [call site] 00021
3 io::Result::into [function] [call site] 00022
4 std::str::from_utf8 [function] [call site] 00024
4 decode_into [function] [call site] 00025
5 std::str::from_utf8 [function] [call site] 00027
5 new_decoder_without_bom_handling [function] [call site] 00029
5 Decoder::max_utf8_buffer_length_without_replacement [function] [call site] 00031
5 DetectedEncoding::bom_len [function] [call site] 00032
5 Decoder::decode_to_string_without_replacement [function] [call site] 00034
5 EncodingError::Other [function] [call site] 00037
3 Writer::write_wrapped [function] [call site] 00039
4 write_all [function] [call site] 00040
4 write_all [function] [call site] 00041
4 Indentation::current [function] [call site] 00042
4 Writer::write [function] [call site] 00043
5 write_all [function] [call site] 00044
4 Writer::write [function] [call site] 00045
4 Writer::write [function] [call site] 00046
3 Indentation::grow [function] [call site] 00049
4 Indentation::ensure [function] [call site] 00050
5 DetectedEncoding::bom_len [function] [call site] 00051
3 Indentation::shrink [function] [call site] 00054
4 saturating_sub [function] [call site] 00055
3 Writer::write_wrapped [function] [call site] 00056
3 Writer::write_wrapped [function] [call site] 00057
3 Writer::write [function] [call site] 00058
3 Writer::write_wrapped [function] [call site] 00059
3 Writer::write [function] [call site] 00060
3 Writer::write [function] [call site] 00061
3 Writer::write [function] [call site] 00062
3 Writer::write_wrapped [function] [call site] 00063
3 Writer::write_wrapped [function] [call site] 00064
3 Writer::write_wrapped [function] [call site] 00065
3 Writer::write_wrapped [function] [call site] 00066
2 io::Result::borrow [function] [call site] 00069
3 Cow::Borrowed [function] [call site] 00070
2 Writer::write_bom [function] [call site] 00071
3 Writer::write [function] [call site] 00072
2 Writer::write_indent [function] [call site] 00073
3 write_all [function] [call site] 00074
3 write_all [function] [call site] 00075
3 Indentation::current [function] [call site] 00076
2 Writer::create_element [function] [call site] 00078
3 BytesStart::new [function] [call site] 00079
4 str_cow_to_bytes [function] [call site] 00080
5 Decoder::decode_into [function] [call site] 00081
6 std::str::from_utf8 [function] [call site] 00083
6 decode_into [function] [call site] 00084
5 Cow::Borrowed [function] [call site] 00086
5 Cow::Owned [function] [call site] 00088
5 into_bytes [function] [call site] 00089
4 DetectedEncoding::bom_len [function] [call site] 00090
4 Decoder::utf8 [function] [call site] 00091
3 DecodingReader::new [function] [call site] 00092
2 ElementWriter::with_attributes [function] [call site] 00093
3 into_iter [function] [call site] 00094
3 SpecIter::next [function] [call site] 00095
4 to_writer [function] [call site] 00096
4 Reader::buffer_position [function] [call site] 00097
4 assert_error_matches [function] [call site] 00098
4 unwrap_or [function] [call site] 00099
4 Reader::buffer_position [function] [call site] 00101
4 std::str::from_utf8 [function] [call site] 00104
4 Reader::buffer_position [function] [call site] 00107
4 std::str::from_utf8 [function] [call site] 00110
4 XmlReader::is_empty [function] [call site] 00112
4 std::str::from_utf8 [function] [call site] 00114
3 ElementWriter::write_attr [function] [call site] 00116
4 BytesStart::push_attribute [function] [call site] 00118
5 NamespaceResolver::push [function] [call site] 00120
6 attributes [function] [call site] 00121
7 benchmark_group [function] [call site] 00122
7 bench_function [function] [call site] 00123
7 to_writer [function] [call site] 00124
7 Reader::from_str [function] [call site] 00125
8 NsReader::from_reader [function] [call site] 00126
9 DecodingReader::new [function] [call site] 00127
10 new_decoder_without_bom_handling [function] [call site] 00128
10 into_boxed_slice [function] [call site] 00129
10 DecodingReader::new [function] [call site] 00131
9 Reader::from_reader [function] [call site] 00132
10 ReaderState::default [function] [call site] 00133
11 Config::default [function] [call site] 00134
11 DecodingReader::new [function] [call site] 00135
11 DecodingReader::new [function] [call site] 00136
11 EncodingRef::Implicit [function] [call site] 00137
8 EncodingRef::Explicit [function] [call site] 00139
8 NsReader::from_reader [function] [call site] 00140
7 Writer::config_mut [function] [call site] 00142
7 std::hint::black_box [function] [call site] 00143
7 NsReader::read_event [function] [call site] 00144
8 NsReader::read_event_impl [function] [call site] 00145
9 NsReader::pop [function] [call site] 00146
10 NamespaceResolver::pop [function] [call site] 00147
11 NamespaceResolver::set_level [function] [call site] 00148
12 to_writer [function] [call site] 00149
12 rposition [function] [call site] 00150
12 BytesPI::target [function] [call site] 00153
13 reserved_name [function] [call site] 00154
14 NsReader::from_str [function] [call site] 00155
15 DecodingReader::new [function] [call site] 00156
15 Reader::from_str [function] [call site] 00157
14 NsReader::read_resolved_event [function] [call site] 00158
15 NsReader::read_event_impl [function] [call site] 00159
15 NamespaceResolver::resolve_event [function] [call site] 00161
16 NamespaceResolver::resolve_prefix [function] [call site] 00162
17 to_writer [function] [call site] 00163
17 Result::find [function] [call site] 00165
17 namespace [function] [call site] 00166
18 NsReader::from_str [function] [call site] 00167
18 NsReader::read_resolved_event [function] [call site] 00168
18 NsReader::resolver [function] [call site] 00169
18 NamespaceResolver::bindings [function] [call site] 00170
18 NamespaceBindingsIter::clone [function] [call site] 00171
18 NsReader::read_resolved_event [function] [call site] 00172
18 NsReader::resolver [function] [call site] 00173
18 NamespaceResolver::bindings [function] [call site] 00174
18 NsReader::read_resolved_event [function] [call site] 00175
18 NsReader::resolver [function] [call site] 00176
18 NamespaceResolver::bindings [function] [call site] 00177
18 NsReader::read_resolved_event [function] [call site] 00178
18 NsReader::resolver [function] [call site] 00179
18 NamespaceResolver::bindings [function] [call site] 00180
18 NsReader::read_resolved_event [function] [call site] 00181
18 NsReader::resolver [function] [call site] 00182
18 NamespaceResolver::bindings [function] [call site] 00183
17 Result::find [function] [call site] 00184
17 QName::prefix [function] [call site] 00185
18 QName::index [function] [call site] 00186
19 memchr::memchr [function] [call site] 00187
18 Attr::map [function] [call site] 00188
19 Attr::DoubleQ [function] [call site] 00189
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00190
20 xml_decoding_reader::read_until_error [function] [call site] 00191
21 DecodingReader::new [function] [call site] 00192
21 Reader::from_reader [function] [call site] 00193
21 DecodingReader::new [function] [call site] 00194
22 new_decoder_without_bom_handling [function] [call site] 00195
22 into_boxed_slice [function] [call site] 00196
22 DecodingReader::new [function] [call site] 00198
21 Writer::config_mut [function] [call site] 00199
21 Config::trim_text [function] [call site] 00200
21 NsReader::read_event_into [function] [call site] 00201
22 NsReader::read_event_impl [function] [call site] 00202
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00203
19 Attr::SingleQ [function] [call site] 00204
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00205
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00206
19 Attr::Empty [function] [call site] 00207
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00208
19 Attr::Unquoted [function] [call site] 00209
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00210
19 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00211
17 namespace [function] [call site] 00213
17 ResolveResult::Unknown [function] [call site] 00214
17 DecodingReader::into_inner [function] [call site] 00215
17 R::to_vec [function] [call site] 00216
16 reserved_name [function] [call site] 00217
16 QName::prefix [function] [call site] 00218
16 NamespaceResolver::resolve_prefix [function] [call site] 00220
16 reserved_name [function] [call site] 00221
16 QName::prefix [function] [call site] 00222
16 NamespaceResolver::resolve_prefix [function] [call site] 00224
16 reserved_name [function] [call site] 00225
16 QName::prefix [function] [call site] 00226
12 Attr::map [function] [call site] 00228
13 Attr::DoubleQ [function] [call site] 00229
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00230
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00231
13 Attr::SingleQ [function] [call site] 00232
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00233
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00234
13 Attr::Empty [function] [call site] 00235
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00236
13 Attr::Unquoted [function] [call site] 00237
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00238
13 xml_decoding_reader::truncated_utf16_at_eof [function] [call site] 00239
12 truncate [function] [call site] 00240
12 truncate [function] [call site] 00241
11 saturating_sub [function] [call site] 00242
9 read_event_impl [function] [call site] 00243
10 detect_encoding [function] [call site] 00244
10 can_be_refined [function] [call site] 00245
10 crate::reader::EncodingRef::BomDetected [function] [call site] 00246
10 encoding [function] [call site] 00247
10 remove_utf8_bom [function] [call site] 00248
10 read_ref [function] [call site] 00249
10 Event::GeneralRef [function] [call site] 00251
10 BytesRef::wrap [function] [call site] 00252
10 Event::Text [function] [call site] 00256
10 emit_text [function] [call site] 00257
10 Error::IllFormed [function] [call site] 00259
10 Event::Text [function] [call site] 00261
10 emit_text [function] [call site] 00262
10 Error::IllFormed [function] [call site] 00264
10 Event::Text [function] [call site] 00266
10 emit_text [function] [call site] 00267
10 Error::IllFormed [function] [call site] 00269
10 Error::from [function] [call site] 00271
10 skip_whitespace [function] [call site] 00272
10 read_text [function] [call site] 00273
10 Event::Text [function] [call site] 00275
10 emit_text [function] [call site] 00276
10 Event::Text [function] [call site] 00278
10 emit_text [function] [call site] 00279
10 emit_text [function] [call site] 00280
10 io::Result::is_empty [function] [call site] 00281
10 Event::Text [function] [call site] 00284
10 Error::from [function] [call site] 00286
10 Event::End [function] [call site] 00288
10 close_expanded_empty [function] [call site] 00289
9 NsReader::process_event [function] [call site] 00291
10 NamespaceResolver::push [function] [call site] 00292
10 Event::Start [function] [call site] 00294
10 NamespaceResolver::push [function] [call site] 00295
10 Event::Empty [function] [call site] 00297
10 Event::End [function] [call site] 00299
7 attributes [function] [call site] 00300
7 bench_function [function] [call site] 00302
7 to_writer [function] [call site] 00303
7 Reader::from_str [function] [call site] 00304
7 Writer::config_mut [function] [call site] 00305
7 std::hint::black_box [function] [call site] 00306
7 NsReader::read_event [function] [call site] 00307
7 attributes [function] [call site] 00308
7 Attributes::with_checks [function] [call site] 00309
7 bench_function [function] [call site] 00311
7 to_writer [function] [call site] 00312
7 Reader::from_str [function] [call site] 00313
7 Writer::config_mut [function] [call site] 00314
7 std::hint::black_box [function] [call site] 00315
7 NsReader::read_event [function] [call site] 00316
7 reserved_name [function] [call site] 00317
7 quick_xml::name::QName [function] [call site] 00318
7 BytesStart::try_get_attribute [function] [call site] 00319
8 BytesStart::attributes [function] [call site] 00320
9 Attributes::wrap [function] [call site] 00321
10 IterState::new [function] [call site] 00322
11 State::Next [function] [call site] 00323
11 DecodingReader::new [function] [call site] 00324
8 Attributes::with_checks [function] [call site] 00325
8 QName::as_ref [function] [call site] 00326
8 QName::as_ref [function] [call site] 00327
7 Result::unwrap [function] [call site] 00331
6 Attributes::with_checks [function] [call site] 00333
6 QName::as_namespace_binding [function] [call site] 00334
7 starts_with [function] [call site] 00335
7 BytesPI::target [function] [call site] 00336
7 PrefixDeclaration::Named [function] [call site] 00339
6 NamespaceResolver::add [function] [call site] 00340
7 DetectedEncoding::bom_len [function] [call site] 00341
7 extend_from_slice [function] [call site] 00342
7 NamespaceResolver::push [function] [call site] 00343
7 DetectedEncoding::bom_len [function] [call site] 00344
7 NamespaceError::InvalidXmlPrefixBind [function] [call site] 00346
7 NamespaceError::InvalidXmlnsPrefixBind [function] [call site] 00349
7 NamespaceError::InvalidPrefixForXml [function] [call site] 00352
7 Option::to_vec [function] [call site] 00353
7 NamespaceError::InvalidPrefixForXmlns [function] [call site] 00355
7 Option::to_vec [function] [call site] 00356
7 DetectedEncoding::bom_len [function] [call site] 00357
7 extend_from_slice [function] [call site] 00358
7 extend_from_slice [function] [call site] 00359
7 NamespaceResolver::push [function] [call site] 00360
7 DetectedEncoding::bom_len [function] [call site] 00361
7 DetectedEncoding::bom_len [function] [call site] 00362
6 Namespace [function] [call site] 00364
5 BytesStart::push_attr [function] [call site] 00366
6 extend_from_slice [function] [call site] 00368
6 QName::as_ref [function] [call site] 00369
6 extend_from_slice [function] [call site] 00370
6 extend_from_slice [function] [call site] 00371
6 QName::as_ref [function] [call site] 00372
6 NamespaceResolver::push [function] [call site] 00373
5 Decoder::decode_into [function] [call site] 00374
4 AttributeIndent::Spaces [function] [call site] 00375
4 reserved_name [function] [call site] 00376
4 QName::as_ref [function] [call site] 00377
4 DetectedEncoding::bom_len [function] [call site] 00378
4 DetectedEncoding::bom_len [function] [call site] 00379
4 BytesStart::push_indent [function] [call site] 00381
5 extend_from_slice [function] [call site] 00383
4 BytesStart::push_attr [function] [call site] 00384
5 extend_from_slice [function] [call site] 00386
5 QName::as_ref [function] [call site] 00387
5 extend_from_slice [function] [call site] 00388
5 extend_from_slice [function] [call site] 00389
5 QName::as_ref [function] [call site] 00390
5 NamespaceResolver::push [function] [call site] 00391
4 AttributeIndent::Spaces [function] [call site] 00392
4 BytesStart::push_attribute [function] [call site] 00393
4 AttributeIndent::Spaces [function] [call site] 00394
4 BytesStart::push_indent [function] [call site] 00395
4 Indentation::additional [function] [call site] 00396
5 Indentation::ensure [function] [call site] 00397
4 BytesStart::push_attr [function] [call site] 00398
4 AttributeIndent::Configured [function] [call site] 00399
4 BytesStart::push_attribute [function] [call site] 00400
4 AttributeIndent::Configured [function] [call site] 00401
4 BytesStart::push_attribute [function] [call site] 00402
3 Decoder::decode_into [function] [call site] 00403
3 BytesStart::extend_attributes [function] [call site] 00404
4 BytesStart::push_attribute [function] [call site] 00405
5 NamespaceResolver::push [function] [call site] 00407
5 BytesStart::push_attr [function] [call site] 00408
5 Decoder::decode_into [function] [call site] 00409
2 into_iter [function] [call site] 00410
2 ElementWriter::write_text_content [function] [call site] 00412
3 Writer::write_event [function] [call site] 00413
4 io::Result::into [function] [call site] 00414
4 Writer::write_wrapped [function] [call site] 00415
4 Indentation::grow [function] [call site] 00417
4 Indentation::shrink [function] [call site] 00419
4 Writer::write_wrapped [function] [call site] 00420
4 Writer::write_wrapped [function] [call site] 00421
4 Writer::write [function] [call site] 00422
4 Writer::write_wrapped [function] [call site] 00423
4 Writer::write [function] [call site] 00424
4 Writer::write [function] [call site] 00425
4 Writer::write [function] [call site] 00426
4 Writer::write_wrapped [function] [call site] 00427
4 Writer::write_wrapped [function] [call site] 00428
4 Writer::write_wrapped [function] [call site] 00429
4 Writer::write_wrapped [function] [call site] 00430
3 Event::Start [function] [call site] 00433
3 BytesStart::borrow [function] [call site] 00434
4 Cow::Borrowed [function] [call site] 00435
3 Writer::write_event [function] [call site] 00436
3 Event::Text [function] [call site] 00437
3 Writer::write_event [function] [call site] 00438
3 Event::End [function] [call site] 00439
3 NsReader::read_to_end [function] [call site] 00440
2 BytesText::from_escaped [function] [call site] 00457
3 BytesStart::wrap [function] [call site] 00458
4 Cow::Borrowed [function] [call site] 00459
3 str_cow_to_bytes [function] [call site] 00460
3 Decoder::utf8 [function] [call site] 00461
2 ElementWriter::write_cdata_content [function] [call site] 00462
3 Writer::write_event [function] [call site] 00463
3 Event::Start [function] [call site] 00464
3 BytesStart::borrow [function] [call site] 00465
3 Writer::write_event [function] [call site] 00466
3 Event::CData [function] [call site] 00467
3 Writer::write_event [function] [call site] 00468
3 Event::End [function] [call site] 00469
3 NsReader::read_to_end [function] [call site] 00470
2 BytesCData::new [function] [call site] 00472
3 BytesStart::wrap [function] [call site] 00473
3 str_cow_to_bytes [function] [call site] 00474
3 Decoder::utf8 [function] [call site] 00475
2 ElementWriter::write_pi_content [function] [call site] 00476
3 Writer::write_event [function] [call site] 00477
3 Event::Start [function] [call site] 00478
3 BytesStart::borrow [function] [call site] 00479
3 Writer::write_event [function] [call site] 00480
3 Event::PI [function] [call site] 00481
3 Writer::write_event [function] [call site] 00482
3 Event::End [function] [call site] 00483
3 NsReader::read_to_end [function] [call site] 00484
2 BytesPI::new [function] [call site] 00486
3 str_cow_to_bytes [function] [call site] 00487
3 utils::name_len [function] [call site] 00488
4 is_whitespace [function] [call site] 00489
3 Decoder::utf8 [function] [call site] 00490
2 ElementWriter::write_empty [function] [call site] 00491
3 Writer::write_event [function] [call site] 00492
3 Event::Empty [function] [call site] 00493
2 DecodingReader::into_inner [function] [call site] 00495
2 DecodingReader::into_inner [function] [call site] 00496
2 Reader::from_str [function] [call site] 00497
2 std::str::from_utf8 [function] [call site] 00498
2 Writer::config_mut [function] [call site] 00500
2 std::hint::black_box [function] [call site] 00502
2 NsReader::read_event [function] [call site] 00503
3 NsReader::read_event_impl [function] [call site] 00504
2 NsReader::from_reader [function] [call site] 00505
3 DecodingReader::new [function] [call site] 00506
3 Reader::from_reader [function] [call site] 00507
2 Writer::config_mut [function] [call site] 00508
2 std::hint::black_box [function] [call site] 00509
2 NsReader::read_event [function] [call site] 00510
1 std::hint::black_box [function] [call site] 00512