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
367 0 EP call site: 00000 Parser::extensions

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 find [function] [call site] 00004
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 Ok [function] [call site] 00019
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
6 len_utf8 [function] [call site] 00029
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
8 Parser::src [function] [call site] 00033
8 &'a [call site] 00034
9 flat_map [function] [call site] 00035
9 for_each [function] [call site] 00036
8 next [function] [call site] 00037
7 Option::ok_or [function] [call site] 00038
6 len_utf8 [function] [call site] 00039
6 Ok [function] [call site] 00040
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 Ok [function] [call site] 00045
5 Some [function] [call site] 00046
5 Ok [function] [call site] 00047
5 Some [function] [call site] 00048
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 Err [function] [call site] 00052
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 Ok [function] [call site] 00063
5 Some [function] [call site] 00064
5 Err [function] [call site] 00065
5 Error::UnexpectedChar [function] [call site] 00066
5 Ok [function] [call site] 00067
4 Ok [function] [call site] 00068
4 Ok [function] [call site] 00069
3 map_err [function] [call site] 00070
3 Parser::span_error [function] [call site] 00071
4 Position::from_src_end [function] [call site] 00072
5 &'a [call site] 00073
5 filter [function] [call site] 00074
5 count [function] [call site] 00075
5 &'a [call site] 00076
5 rev [function] [call site] 00077
5 take_while [function] [call site] 00078
5 count [function] [call site] 00079
4 Position::from_src_end [function] [call site] 00080
3 Parser::extensions [function] [call site] 00081
4 Parser::check_char [function] [call site] 00082
4 Ok [function] [call site] 00083
4 Field::empty [function] [call site] 00084
4 Parser::consume_all [function] [call site] 00085
5 Options::to_writer [function] [call site] 00086
6 Serializer::with_options [function] [call site] 00087
7 test_ascii_chars [function] [call site] 00088
8 flat_map [function] [call site] 00089
8 for_each [function] [call site] 00090
7 Parser::consume_all [function] [call site] 00091
8 Options::to_writer [function] [call site] 00092
8 Result::map [function] [call site] 00093
9 ron::from_str::<ron::Value> [function] [call site] 00094
9 &str::repeat [function] [call site] 00095
9 unwrap_err [function] [call site] 00096
8 Parser::consume_str [function] [call site] 00097
8 Parser::skip_ws [function] [call site] 00098
9 Parser::src [function] [call site] 00099
9 Fields::is_empty [function] [call site] 00100
9 Ok [function] [call site] 00101
9 Parser::advance_bytes [function] [call site] 00102
9 Parser::next_chars_while_len [function] [call site] 00103
9 Parser::skip_comment [function] [call site] 00104
9 Ok [function] [call site] 00105
9 Ok [function] [call site] 00106
8 Ok [function] [call site] 00107
8 Ok [function] [call site] 00108
8 try_fold [function] [call site] 00109
8 map [function] [call site] 00110
9 Map::new [function] [call site] 00111
10 Options::default [function] [call site] 00112
11 Field::empty [function] [call site] 00113
11 Some [function] [call site] 00114
9 Fields::insert [function] [call site] 00115
10 Fields::insert [function] [call site] 00116
10 roundtrip_value_float_into [function] [call site] 00117
11 Options::from_str [function] [call site] 00118
12 Options::from_str_seed [function] [call site] 00119
13 Deserializer::from_str_with_options [function] [call site] 00120
14 Parser::new [function] [call site] 00121
15 Field::empty [function] [call site] 00122
15 Parser::skip_ws [function] [call site] 00123
15 map_err [function] [call site] 00124
15 Parser::span_error [function] [call site] 00125
15 Parser::extensions [function] [call site] 00126
15 map_err [function] [call site] 00127
15 Parser::span_error [function] [call site] 00128
15 Fields::is_empty [function] [call site] 00129
15 Parser::skip_ws [function] [call site] 00130
15 map_err [function] [call site] 00131
15 Parser::span_error [function] [call site] 00132
15 Ok [function] [call site] 00133
14 Ok [function] [call site] 00134
13 test_map_custom_deserialize [function] [call site] 00135
14 HashMap::<String, [call site] 00136
15 Field::empty [function] [call site] 00137
15 Parser::skip_ws [function] [call site] 00138
15 map_err [function] [call site] 00139
15 Parser::span_error [function] [call site] 00140
15 Parser::extensions [function] [call site] 00141
15 map_err [function] [call site] 00142
15 Parser::span_error [function] [call site] 00143
15 Fields::is_empty [function] [call site] 00144
15 Parser::skip_ws [function] [call site] 00145
15 map_err [function] [call site] 00146
15 Parser::span_error [function] [call site] 00147
15 Ok [function] [call site] 00148
14 Fields::insert [function] [call site] 00149
14 &str::into [function] [call site] 00150
15 Options::from_str [function] [call site] 00151
15 SpannedResult::unwrap [function] [call site] 00152
15 ron::ser::to_string [function] [call site] 00153
16 Parser::new [function] [call site] 00154
16 Serializer::with_options [function] [call site] 00155
16 test_map_custom_deserialize [function] [call site] 00156
17 HashMap::<String, [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 Fields::insert [function] [call site] 00161
17 &str::into [function] [call site] 00162
17 &str::into [function] [call site] 00163
17 Options::from_str [function] [call site] 00164
16 Ok [function] [call site] 00165
15 Result::unwrap [function] [call site] 00166
15 Options::from_str [function] [call site] 00167
15 SpannedResult::unwrap [function] [call site] 00168
15 Options::from_str [function] [call site] 00169
15 SpannedResult::unwrap [function] [call site] 00170
15 test_raw_value_into_rust [function] [call site] 00171
16 RawValue::from_ron [function] [call site] 00172
17 crate::Deserializer::from_str [function] [call site] 00173
18 Deserializer::from_str_with_options [function] [call site] 00174
19 Parser::new [function] [call site] 00175
19 Ok [function] [call site] 00176
18 Options::default [function] [call site] 00177
19 Field::empty [function] [call site] 00178
19 Some [function] [call site] 00179
17 Parser::extensions [function] [call site] 00180
17 Fields::is_empty [function] [call site] 00181
17 Err [function] [call site] 00182
17 Parser::span_error [function] [call site] 00183
17 Error::Message [function] [call site] 00184
17 Error::from [function] [call site] 00185
17 <&Self>::deserialize [function] [call site] 00186
18 HashMap::<String, [call site] 00187
18 Fields::insert [function] [call site] 00188
18 &str::into [function] [call site] 00189
18 &str::into [function] [call site] 00190
18 Fields::insert [function] [call site] 00191
18 &str::into [function] [call site] 00192
18 &str::into [function] [call site] 00193
18 Options::from_str [function] [call site] 00194
17 map_err [function] [call site] 00195
17 Parser::span_error [function] [call site] 00196
17 test_comma_end [function] [call site] 00197
17 map_err [function] [call site] 00198
17 Parser::span_error [function] [call site] 00199
17 Ok [function] [call site] 00200
17 RawValue::from_borrowed_str [function] [call site] 00201
16 SpannedResult::unwrap [function] [call site] 00202
16 test_raw_value_into_rust [function] [call site] 00203
16 unwrap [function] [call site] 00204
16 into_rust::<i32> [function] [call site] 00205
16 unwrap_err [function] [call site] 00206
15 unwrap [function] [call site] 00207
14 &str::into [function] [call site] 00208
14 Fields::insert [function] [call site] 00209
14 &str::into [function] [call site] 00210
14 &str::into [function] [call site] 00211
14 Options::from_str [function] [call site] 00212
13 map_err [function] [call site] 00213
13 Parser::span_error [function] [call site] 00214
13 test_comma_end [function] [call site] 00215
13 map_err [function] [call site] 00216
13 Parser::span_error [function] [call site] 00217
13 Ok [function] [call site] 00218
11 SpannedResult::unwrap [function] [call site] 00219
11 ron::ser::to_string [function] [call site] 00220
11 Result::unwrap [function] [call site] 00221
11 Options::from_str [function] [call site] 00222
11 SpannedResult::unwrap [function] [call site] 00223
11 Options::from_str [function] [call site] 00224
11 SpannedResult::unwrap [function] [call site] 00225
11 test_raw_value_into_rust [function] [call site] 00226
11 unwrap [function] [call site] 00227
9 Value::Char [function] [call site] 00228
9 Value::Number [function] [call site] 00229
9 Number::U8 [function] [call site] 00230
9 Fields::insert [function] [call site] 00231
9 Value::Char [function] [call site] 00232
9 Value::Number [function] [call site] 00233
9 Number::new [function] [call site] 00234
10 impl [call site] 00235
11 Options::from_str [function] [call site] 00236
11 SpannedResult::unwrap [function] [call site] 00237
11 ron::ser::to_string [function] [call site] 00238
11 Result::unwrap [function] [call site] 00239
11 Options::from_str [function] [call site] 00240
11 SpannedResult::unwrap [function] [call site] 00241
11 Options::from_str [function] [call site] 00242
11 SpannedResult::unwrap [function] [call site] 00243
11 test_raw_value_into_rust [function] [call site] 00244
11 unwrap [function] [call site] 00245
9 Value::Map [function] [call site] 00246
7 Err [function] [call site] 00247
7 Error::Message [function] [call site] 00248
7 Error::from [function] [call site] 00249
7 test_ascii_chars [function] [call site] 00250
7 Parser::consume_all [function] [call site] 00251
7 Err [function] [call site] 00252
7 Error::Message [function] [call site] 00253
7 Error::from [function] [call site] 00254
7 test_ascii_chars [function] [call site] 00255
7 Parser::consume_all [function] [call site] 00256
7 Err [function] [call site] 00257
7 Error::Message [function] [call site] 00258
7 Error::from [function] [call site] 00259
7 iter_names [function] [call site] 00260
7 Adapter::write_str [function] [call site] 00261
8 write_all [function] [call site] 00262
8 as_bytes [function] [call site] 00263
8 Ok [function] [call site] 00264
8 Err [function] [call site] 00265
8 Err [function] [call site] 00266
7 Ok [function] [call site] 00267
7 PrettyConfig::map [function] [call site] 00268
8 ron::from_str::<ron::Value> [function] [call site] 00269
8 &str::repeat [function] [call site] 00270
8 unwrap_err [function] [call site] 00271
6 test_map_custom_deserialize [function] [call site] 00272
5 Result::map [function] [call site] 00273
5 Parser::consume_str [function] [call site] 00274
5 Parser::skip_ws [function] [call site] 00275
5 Ok [function] [call site] 00276
5 Ok [function] [call site] 00277
5 try_fold [function] [call site] 00278
5 map [function] [call site] 00279
4 Err [function] [call site] 00280
4 Parser::skip_ws [function] [call site] 00281
4 Field::empty [function] [call site] 00282
4 Parser::identifier [function] [call site] 00283
5 Parser::peek_char_or_eof [function] [call site] 00284
5 is_ident_first_char [function] [call site] 00285
6 unicode_ident::is_xid_start [function] [call site] 00286
5 is_ident_raw_char [function] [call site] 00287
6 unicode_ident::is_xid_continue [function] [call site] 00288
5 Parser::next_chars_while_len [function] [call site] 00289
5 Err [function] [call site] 00290
5 Error::SuggestRawIdentifier [function] [call site] 00291
5 Parser::src [function] [call site] 00292
5 roundtrip_value_float_into [function] [call site] 00293
5 Err [function] [call site] 00294
5 Parser::check_str [function] [call site] 00295
5 Parser::check_str [function] [call site] 00296
5 Parser::check_str [function] [call site] 00297
5 Parser::check_str [function] [call site] 00298
5 Parser::check_str [function] [call site] 00299
5 Parser::check_str [function] [call site] 00300
5 Parser::check_str [function] [call site] 00301
5 Err [function] [call site] 00302
5 Parser::check_str [function] [call site] 00303
5 Parser::advance_bytes [function] [call site] 00304
5 Parser::set_cursor [function] [call site] 00305
5 Err [function] [call site] 00306
5 Parser::next_chars_while_len [function] [call site] 00307
5 Parser::next_chars_while_len [function] [call site] 00308
5 Parser::next_chars_while_len [function] [call site] 00309
5 Err [function] [call site] 00310
5 Error::SuggestRawIdentifier [function] [call site] 00311
5 Parser::src [function] [call site] 00312
5 roundtrip_value_float_into [function] [call site] 00313
5 len_utf8 [function] [call site] 00314
5 Parser::next_chars_while_from_len [function] [call site] 00315
5 len_utf8 [function] [call site] 00316
5 Parser::next_chars_while_len [function] [call site] 00317
5 Err [function] [call site] 00318
5 Error::SuggestRawIdentifier [function] [call site] 00319
5 Parser::src [function] [call site] 00320
5 roundtrip_value_float_into [function] [call site] 00321
5 Parser::src [function] [call site] 00322
5 Parser::advance_bytes [function] [call site] 00323
5 Ok [function] [call site] 00324
4 Extensions::from_ident [function] [call site] 00325
5 Parser::consume_all [function] [call site] 00326
6 Options::to_writer [function] [call site] 00327
6 Result::map [function] [call site] 00328
6 Parser::consume_str [function] [call site] 00329
6 Parser::skip_ws [function] [call site] 00330
6 Ok [function] [call site] 00331
6 Ok [function] [call site] 00332
6 try_fold [function] [call site] 00333
6 map [function] [call site] 00334
5 Result::iter_names [function] [call site] 00335
5 to_lowercase [function] [call site] 00336
5 Some [function] [call site] 00337
4 Option::ok_or_else [function] [call site] 00338
4 Error::NoSuchExtension [function] [call site] 00339
4 roundtrip_value_float_into [function] [call site] 00340
4 Parser::comma [function] [call site] 00341
5 Parser::skip_ws [function] [call site] 00342
5 Parser::consume_char [function] [call site] 00343
5 Parser::skip_ws [function] [call site] 00344
5 Ok [function] [call site] 00345
5 Ok [function] [call site] 00346
4 Parser::check_ident_other_char [function] [call site] 00347
5 Parser::src [function] [call site] 00348
5 test_ascii_chars [function] [call site] 00349
5 next [function] [call site] 00350
5 map_or [function] [call site] 00351
4 Err [function] [call site] 00352
4 Parser::check_ident_other_char [function] [call site] 00353
4 Parser::skip_ws [function] [call site] 00354
4 Parser::consume_all [function] [call site] 00355
4 Ok [function] [call site] 00356
4 Err [function] [call site] 00357
3 map_err [function] [call site] 00358
3 Parser::span_error [function] [call site] 00359
3 Fields::is_empty [function] [call site] 00360
3 Parser::skip_ws [function] [call site] 00361
3 map_err [function] [call site] 00362
3 Parser::span_error [function] [call site] 00363
3 Ok [function] [call site] 00364
2 Serializer::with_options [function] [call site] 00365
2 test_map_custom_deserialize [function] [call site] 00366
2 Ok [function] [call site] 00367