Fuzz introspector: from_str
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
102 176 Options::default call site: 00176 Parser::consume_all
39 132 Deserializer::from_str_with_options call site: 00132 Parser::attribute
6 113 Options::default call site: 00113 Options::from_str
5 85 Parser::consume_all call site: 00085 Parser::consume_all
5 92 Parser::consume_all call site: 00092 Parser::skip_ws
5 379 Parser::attribute call site: 00379 Parser::string
4 279 Parser::consume_all call site: 00279 Parser::skip_ws
4 350 Parser::consume_all call site: 00350 Parser::skip_ws
4 524 Parser::string call site: 00524 Parser::skip_ws
3 8 Parser::next_chars_while_len call site: 00008 Options::to_string
3 33 Parser::peek_char call site: 00033
3 535 Parser::new call site: 00535 Serializer::with_options

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 Parser::next_chars_while_len [function] [call site] 00001
2 Parser::next_chars_while_from_len [function] [call site] 00002
3 Parser::src [function] [call site] 00003
3 unwrap_or [function] [call site] 00005
3 Parser::src [function] [call site] 00006
3 Parser::next_chars_while_len [function] [call site] 00007
4 Parser::next_chars_while_from_len [function] [call site] 00008
1 ron::from_str::<ron::Value> [function] [call site] 00009
1 Options::to_string [function] [call site] 00010
2 Parser::new [function] [call site] 00011
3 Field::empty [function] [call site] 00012
4 Parser::new [function] [call site] 00013
3 Parser::skip_ws [function] [call site] 00014
4 Parser::src [function] [call site] 00015
4 Fields::is_empty [function] [call site] 00016
5 Fields::is_empty [function] [call site] 00017
6 Fields::is_empty [function] [call site] 00018
4 Parser::advance_bytes [function] [call site] 00020
4 Parser::next_chars_while_len [function] [call site] 00021
5 Parser::next_chars_while_from_len [function] [call site] 00022
4 Parser::skip_comment [function] [call site] 00023
5 Parser::consume_char [function] [call site] 00024
6 Parser::check_char [function] [call site] 00025
7 Parser::src [function] [call site] 00026
7 &'a [call site] 00027
6 Parser::advance_bytes [function] [call site] 00028
5 Parser::next_char [function] [call site] 00030
6 Parser::peek_char_or_eof [function] [call site] 00031
7 Parser::peek_char [function] [call site] 00032
7 Option::ok_or [function] [call site] 00038
5 Parser::next_chars_while_len [function] [call site] 00041
5 Parser::advance_bytes [function] [call site] 00042
5 Parser::src [function] [call site] 00043
5 Fields::is_empty [function] [call site] 00044
5 Parser::next_chars_while_len [function] [call site] 00049
5 Parser::src [function] [call site] 00050
5 Fields::is_empty [function] [call site] 00051
5 Parser::advance_bytes [function] [call site] 00053
5 Parser::consume_str [function] [call site] 00054
6 Parser::check_str [function] [call site] 00055
7 Parser::src [function] [call site] 00056
7 &'a [call site] 00057
6 Parser::advance_bytes [function] [call site] 00058
6 Parser::next_chars_while_len [function] [call site] 00059
5 Parser::consume_str [function] [call site] 00060
5 Parser::next_char [function] [call site] 00061
5 Result::map_err [function] [call site] 00062
5 Error::UnexpectedChar [function] [call site] 00066
3 Parser::span_error [function] [call site] 00071
4 Position::from_src_end [function] [call site] 00080
3 Parser::attribute [function] [call site] 00081
4 Parser::check_char [function] [call site] 00082
4 Parser::consume_all [function] [call site] 00084
5 Options::to_writer [function] [call site] 00085
6 Serializer::with_options [function] [call site] 00086
7 test_ascii_chars [function] [call site] 00087
7 Parser::consume_all [function] [call site] 00090
8 Options::to_writer [function] [call site] 00091
8 Result::map [function] [call site] 00092
9 ron::from_str::<ron::Value> [function] [call site] 00093
9 &str::repeat [function] [call site] 00094
9 unwrap_err [function] [call site] 00095
8 Parser::consume_str [function] [call site] 00096
8 Parser::skip_ws [function] [call site] 00097
9 Parser::src [function] [call site] 00098
9 Fields::is_empty [function] [call site] 00099
9 Parser::advance_bytes [function] [call site] 00101
9 Parser::next_chars_while_len [function] [call site] 00102
9 Parser::skip_comment [function] [call site] 00103
8 map [function] [call site] 00109
9 Map::new [function] [call site] 00110
10 Options::default [function] [call site] 00111
9 Fields::insert [function] [call site] 00114
10 Fields::insert [function] [call site] 00115
10 roundtrip_value_float_into [function] [call site] 00116
11 Options::from_str [function] [call site] 00117
12 Options::from_str_seed [function] [call site] 00118
13 Deserializer::from_str_with_options [function] [call site] 00119
14 Parser::new [function] [call site] 00120
15 Field::empty [function] [call site] 00121
15 Parser::skip_ws [function] [call site] 00122
15 Parser::span_error [function] [call site] 00124
15 Parser::attribute [function] [call site] 00125
15 Parser::span_error [function] [call site] 00127
15 Parser::skip_ws [function] [call site] 00128
15 Parser::span_error [function] [call site] 00130
13 test_map_custom_deserialize [function] [call site] 00133
14 HashMap::<String, [call site] 00134
15 Field::empty [function] [call site] 00135
15 Parser::skip_ws [function] [call site] 00136
15 Parser::span_error [function] [call site] 00138
15 Parser::attribute [function] [call site] 00139
15 Parser::span_error [function] [call site] 00141
15 Parser::skip_ws [function] [call site] 00142
15 Parser::span_error [function] [call site] 00144
14 Fields::insert [function] [call site] 00146
14 &str::into [function] [call site] 00147
15 Options::from_str [function] [call site] 00148
15 SpannedResult::unwrap [function] [call site] 00149
15 ron::ser::to_string [function] [call site] 00150
16 Parser::new [function] [call site] 00151
16 Serializer::with_options [function] [call site] 00152
16 test_map_custom_deserialize [function] [call site] 00153
17 HashMap::<String, [call site] 00154
17 Fields::insert [function] [call site] 00155
17 &str::into [function] [call site] 00156
17 &str::into [function] [call site] 00157
17 Fields::insert [function] [call site] 00158
17 &str::into [function] [call site] 00159
17 &str::into [function] [call site] 00160
17 Options::from_str [function] [call site] 00161
15 Result::unwrap [function] [call site] 00163
15 Options::from_str [function] [call site] 00164
15 SpannedResult::unwrap [function] [call site] 00165
15 Options::from_str [function] [call site] 00166
15 SpannedResult::unwrap [function] [call site] 00167
15 test_raw_value_into_rust [function] [call site] 00168
16 RawValue::from_ron [function] [call site] 00169
17 crate::Deserializer::from_str [function] [call site] 00170
18 Deserializer::from_str_with_options [function] [call site] 00171
18 Options::default [function] [call site] 00174
17 tests::roundtrip_extensions [function] [call site] 00177
18 Options::to_string [function] [call site] 00178
19 Parser::new [function] [call site] 00179
19 Serializer::with_options [function] [call site] 00180
19 test_map_custom_deserialize [function] [call site] 00181
18 Result::unwrap [function] [call site] 00183
18 Options::from_str [function] [call site] 00184
19 Options::from_str_seed [function] [call site] 00185
18 SpannedResult::unwrap [function] [call site] 00186
17 Fields::is_empty [function] [call site] 00187
17 Parser::span_error [function] [call site] 00189
17 Error::Message [function] [call site] 00190
17 Error::from [function] [call site] 00191
17 <&Self>::deserialize [function] [call site] 00192
18 HashMap::<String, [call site] 00193
18 Fields::insert [function] [call site] 00194
18 &str::into [function] [call site] 00195
18 &str::into [function] [call site] 00196
18 Fields::insert [function] [call site] 00197
18 &str::into [function] [call site] 00198
18 &str::into [function] [call site] 00199
18 Options::from_str [function] [call site] 00200
17 Parser::span_error [function] [call site] 00202
17 test_comma_end [function] [call site] 00203
17 Parser::span_error [function] [call site] 00205
17 RawValue::from_borrowed_str [function] [call site] 00207
16 SpannedResult::unwrap [function] [call site] 00208
16 test_raw_value_into_rust [function] [call site] 00209
16 into_rust::<i32> [function] [call site] 00211
16 unwrap_err [function] [call site] 00212
14 &str::into [function] [call site] 00214
14 Fields::insert [function] [call site] 00215
14 &str::into [function] [call site] 00216
14 &str::into [function] [call site] 00217
14 Options::from_str [function] [call site] 00218
13 Parser::span_error [function] [call site] 00220
13 test_comma_end [function] [call site] 00221
13 Parser::span_error [function] [call site] 00223
11 SpannedResult::unwrap [function] [call site] 00225
11 ron::ser::to_string [function] [call site] 00226
11 Result::unwrap [function] [call site] 00227
11 Options::from_str [function] [call site] 00228
11 SpannedResult::unwrap [function] [call site] 00229
11 Options::from_str [function] [call site] 00230
11 SpannedResult::unwrap [function] [call site] 00231
11 test_raw_value_into_rust [function] [call site] 00232
9 Value::Char [function] [call site] 00234
9 Value::Number [function] [call site] 00235
9 Number::U8 [function] [call site] 00236
9 Fields::insert [function] [call site] 00237
9 Value::Char [function] [call site] 00238
9 Value::Number [function] [call site] 00239
9 Number::new [function] [call site] 00240
10 impl [call site] 00241
11 Options::from_str [function] [call site] 00242
11 SpannedResult::unwrap [function] [call site] 00243
11 ron::ser::to_string [function] [call site] 00244
11 Result::unwrap [function] [call site] 00245
11 Options::from_str [function] [call site] 00246
11 SpannedResult::unwrap [function] [call site] 00247
11 Options::from_str [function] [call site] 00248
11 SpannedResult::unwrap [function] [call site] 00249
11 test_raw_value_into_rust [function] [call site] 00250
9 Value::Map [function] [call site] 00252
7 Error::Message [function] [call site] 00254
7 Error::from [function] [call site] 00255
7 test_ascii_chars [function] [call site] 00256
7 Parser::consume_all [function] [call site] 00257
7 Error::Message [function] [call site] 00259
7 Error::from [function] [call site] 00260
7 test_ascii_chars [function] [call site] 00261
7 Parser::consume_all [function] [call site] 00262
7 Error::Message [function] [call site] 00264
7 Error::from [function] [call site] 00265
7 iter_names [function] [call site] 00266
7 Option<PrettyConfig>::map [function] [call site] 00274
8 ron::from_str::<ron::Value> [function] [call site] 00275
8 &str::repeat [function] [call site] 00276
8 unwrap_err [function] [call site] 00277
6 test_map_custom_deserialize [function] [call site] 00278
5 Result::map [function] [call site] 00279
5 Parser::consume_str [function] [call site] 00280
5 Parser::skip_ws [function] [call site] 00281
4 Parser::skip_ws [function] [call site] 00287
4 Parser::consume_ident [function] [call site] 00288
5 Parser::check_ident [function] [call site] 00289
6 Parser::check_str [function] [call site] 00290
6 Parser::check_ident_other_char [function] [call site] 00291
6 Parser::next_chars_while_len [function] [call site] 00296
5 Parser::advance_bytes [function] [call site] 00297
5 Parser::next_chars_while_len [function] [call site] 00298
4 Parser::skip_ws [function] [call site] 00299
4 Parser::consume_str [function] [call site] 00300
4 Parser::skip_ws [function] [call site] 00302
4 Parser::extension_list [function] [call site] 00303
5 Field::empty [function] [call site] 00304
5 Parser::identifier [function] [call site] 00305
6 Parser::peek_char_or_eof [function] [call site] 00306
6 is_ident_first_char [function] [call site] 00307
7 unicode_ident::is_xid_start [function] [call site] 00308
6 is_ident_raw_char [function] [call site] 00309
7 unicode_ident::is_xid_continue [function] [call site] 00310
6 Parser::next_chars_while_len [function] [call site] 00311
6 Error::SuggestRawIdentifier [function] [call site] 00313
6 Parser::src [function] [call site] 00314
6 roundtrip_value_float_into [function] [call site] 00315
6 Parser::check_str [function] [call site] 00317
6 Parser::check_str [function] [call site] 00318
6 Parser::check_str [function] [call site] 00319
6 Parser::check_str [function] [call site] 00320
6 Parser::check_str [function] [call site] 00321
6 Parser::check_str [function] [call site] 00322
6 Parser::check_str [function] [call site] 00323
6 Parser::check_str [function] [call site] 00325
6 Parser::advance_bytes [function] [call site] 00326
6 Parser::set_cursor [function] [call site] 00327
6 Parser::next_chars_while_len [function] [call site] 00329
6 Parser::next_chars_while_len [function] [call site] 00330
6 Parser::next_chars_while_len [function] [call site] 00331
6 Error::SuggestRawIdentifier [function] [call site] 00333
6 Parser::src [function] [call site] 00334
6 roundtrip_value_float_into [function] [call site] 00335
6 Parser::next_chars_while_from_len [function] [call site] 00337
6 Parser::next_chars_while_len [function] [call site] 00339
6 Error::SuggestRawIdentifier [function] [call site] 00341
6 Parser::src [function] [call site] 00342
6 roundtrip_value_float_into [function] [call site] 00343
6 Parser::src [function] [call site] 00344
6 Parser::advance_bytes [function] [call site] 00345
5 Extensions::from_ident [function] [call site] 00347
6 Parser::consume_all [function] [call site] 00348
7 Options::to_writer [function] [call site] 00349
7 Result::map [function] [call site] 00350
7 Parser::consume_str [function] [call site] 00351
7 Parser::skip_ws [function] [call site] 00352
6 Result::iter_names [function] [call site] 00357
6 to_lowercase [function] [call site] 00358
5 Option::ok_or_else [function] [call site] 00360
5 Error::NoSuchExtension [function] [call site] 00361
5 roundtrip_value_float_into [function] [call site] 00362
5 Parser::comma [function] [call site] 00363
6 Parser::skip_ws [function] [call site] 00364
6 Parser::consume_char [function] [call site] 00365
6 Parser::skip_ws [function] [call site] 00366
5 Parser::check_ident_other_char [function] [call site] 00369
5 Parser::check_ident_other_char [function] [call site] 00371
4 Parser::skip_ws [function] [call site] 00373
4 Parser::consume_all [function] [call site] 00374
4 ParsedAttribute::Extensions [function] [call site] 00376
4 Parser::consume_ident [function] [call site] 00378
4 Parser::consume_ident [function] [call site] 00379
4 Parser::skip_ws [function] [call site] 00380
4 Parser::consume_str [function] [call site] 00381
4 Parser::skip_ws [function] [call site] 00383
4 Parser::string [function] [call site] 00384
5 Parser::consume_char [function] [call site] 00385
5 Parser::escaped_string [function] [call site] 00386
6 Parser::escaped_byte_buf [function] [call site] 00387
7 Parser::src [function] [call site] 00388
7 &'a [call site] 00389
7 Parser::src [function] [call site] 00391
7 Parser::src [function] [call site] 00393
7 &'a [call site] 00394
7 Parser::advance_bytes [function] [call site] 00396
7 Parser::parse_escape [function] [call site] 00397
8 Parser::next_char [function] [call site] 00398
8 EscapeCharacter::Ascii [function] [call site] 00399
8 EscapeCharacter::Ascii [function] [call site] 00400
8 EscapeCharacter::Ascii [function] [call site] 00401
8 EscapeCharacter::Ascii [function] [call site] 00402
8 EscapeCharacter::Ascii [function] [call site] 00403
8 EscapeCharacter::Ascii [function] [call site] 00404
8 EscapeCharacter::Ascii [function] [call site] 00405
8 Parser::decode_ascii_escape [function] [call site] 00406
8 EscapeCharacter::Ascii [function] [call site] 00419
8 core:: [call site] 00420
0 str::from_utf8 [function] [call site] 00421
8 test_ascii_chars [function] [call site] 00423
8 EscapeCharacter::Utf8 [function] [call site] 00426
8 Error::InvalidEscape [function] [call site] 00428
8 Parser::consume_str [function] [call site] 00429
8 Error::InvalidEscape [function] [call site] 00431
8 Parser::decode_ascii_escape [function] [call site] 00432
8 core:: [call site] 00433
0 str::from_utf8 [function] [call site] 00434
8 test_ascii_chars [function] [call site] 00436
8 EscapeCharacter::Utf8 [function] [call site] 00439
8 Error::InvalidEscape [function] [call site] 00441
8 Parser::expect_char [function] [call site] 00442
8 Error::InvalidEscape [function] [call site] 00446
8 Parser::peek_char_or_eof [function] [call site] 00447
8 Parser::skip_next_char [function] [call site] 00448
9 core::mem::drop [function] [call site] 00449
10 saturating_add [function] [call site] 00450
9 Parser::next_char [function] [call site] 00451
8 Parser::decode_hex [function] [call site] 00452
8 Error::from [function] [call site] 00453
8 Error::InvalidEscape [function] [call site] 00455
8 Parser::expect_char [function] [call site] 00456
8 Error::InvalidEscape [function] [call site] 00457
8 char_from_u32 [function] [call site] 00458
8 Error::InvalidEscape [function] [call site] 00460
8 EscapeCharacter::Utf8 [function] [call site] 00461
8 Error::InvalidEscape [function] [call site] 00463
7 push [function] [call site] 00465
7 len_utf8 [function] [call site] 00466
7 push [function] [call site] 00467
7 Parser::next_chars_while_len [function] [call site] 00468
7 extend [function] [call site] 00469
7 core::iter::repeat [function] [call site] 00470
7 take [function] [call site] 00471
7 encode_utf8 [function] [call site] 00472
7 Parser::src [function] [call site] 00473
7 &'a [call site] 00474
7 ok_or [function] [call site] 00475
7 Parser::src [function] [call site] 00476
7 find [function] [call site] 00477
7 extend_from_slice [function] [call site] 00478
7 Parser::src [function] [call site] 00479
7 &'a [call site] 00480
7 extend_from_slice [function] [call site] 00481
7 Parser::src [function] [call site] 00482
7 &'a [call site] 00483
7 Ok [function] [call site] 00484
7 ParsedByteStr::Allocated [function] [call site] 00485
7 Parser::src [function] [call site] 00486
7 &'a [call site] 00487
7 Ok [function] [call site] 00488
7 ParsedByteStr::Slice [function] [call site] 00489
6 ParsedStr::try_from_bytes [function] [call site] 00490
7 ParsedStr::Allocated [function] [call site] 00492
7 String::from_utf8 [function] [call site] 00493
7 utf8_error [function] [call site] 00495
7 ParsedStr::Slice [function] [call site] 00497
7 core:: [call site] 00498
0 str::from_utf8 [function] [call site] 00499
6 Result::map_err [function] [call site] 00500
6 Parser::advance_bytes [function] [call site] 00501
5 Parser::consume_char [function] [call site] 00504
5 Parser::raw_string [function] [call site] 00505
6 Parser::raw_byte_buf [function] [call site] 00506
7 Parser::next_chars_while_len [function] [call site] 00507
7 Parser::src [function] [call site] 00508
7 Parser::advance_bytes [function] [call site] 00509
7 Parser::expect_char [function] [call site] 00510
7 Parser::src [function] [call site] 00512
7 &'a [call site] 00513
7 Parser::src [function] [call site] 00515
7 &'a [call site] 00516
7 ParsedByteStr::Slice [function] [call site] 00518
6 ParsedStr::try_from_bytes [function] [call site] 00519
6 Result::map_err [function] [call site] 00520
6 Parser::advance_bytes [function] [call site] 00521
5 Err [function] [call site] 00524
4 Parser::skip_ws [function] [call site] 00525
4 Parser::consume_str [function] [call site] 00526
4 Ok [function] [call site] 00527
4 Err [function] [call site] 00528
4 Err [function] [call site] 00529
3 map_err [function] [call site] 00530
3 Parser::span_error [function] [call site] 00531
3 Parser::skip_ws [function] [call site] 00532
3 map_err [function] [call site] 00533
3 Parser::span_error [function] [call site] 00534
3 Ok [function] [call site] 00535
2 Serializer::with_options [function] [call site] 00536
2 test_map_custom_deserialize [function] [call site] 00537
2 Ok [function] [call site] 00538