Fuzz introspector: libwget_iri_fuzzer
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
43 43 1 :

['_idn2_contexto_rule']

43 110 _idn2_label_test call site: 00194 /src/libidn2/lib/idna.c:233
6 927 9 :

['_idn2_label_test', 'idn2_punycode_decode', 'get_idna_map', 'malloc', 'u32_normalize', 'map_is', '__errno_location', 'get_map_data', 'u32_to_u8']

6 967 _tr46 call site: 00093 /src/libidn2/lib/lookup.c:288
6 6 1 :

['__errno_location']

6 14 u32_normalize call site: 00140 /src/libunistring/lib/uninorm/u-normalize-internal.h:345
4 4 2 :

['__errno_location', 'gettext']

6 6 wget_memiconv call site: 00054 /src/wget2/libwget/encoding.c:92
2 2 1 :

['__errno_location']

2 2 _idn2_label_test call site: 00169 /src/libidn2/lib/idna.c:144
2 2 1 :

['abort']

2 2 uc_canonical_decomposition call site: 00000 /src/libunistring/lib/uninorm/canonical-decomposition.c:88
2 2 1 :

['abort']

2 2 u32_normalize call site: 00142 /src/libunistring/lib/uninorm/u-normalize-internal.h:362
2 2 1 :

['__errno_location']

2 2 u32_to_u8 call site: 00158 /src/libunistring/lib/unistr/u32-to-u8.c:111
2 2 2 :

['__errno_location', 'malloc']

2 2 u8_to_u32 call site: 00080 /src/libunistring/lib/unistr/u8-to-u32.c:100
0 23 2 :

['get_idna_map', 'map_is']

0 23 _idn2_label_test call site: 00219 /src/libidn2/lib/idna.c:285
0 17 1 :

['wget_buffer_memset_append']

0 35 convert_dec call site: 00372 /src/wget2/libwget/buffer_printf.c:219
0 17 1 :

['wget_buffer_memset_append']

0 35 convert_dec call site: 00375 /src/wget2/libwget/buffer_printf.c:227

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 __assert_fail [call site] 00001
1 wget_iri_isreserved [function] [call site] 00002
2 wget_iri_isgendelim [function] [call site] 00003
1 wget_iri_set_defaultpage [function] [call site] 00004
2 strlen [call site] 00005
1 test(char*, unsigned long, char const*) [function] [call site] 00006
2 wget_iri_parse [function] [call site] 00007
3 c_isspace [function] [call site] 00008
3 c_isalpha [function] [call site] 00009
3 c_isalnum [function] [call site] 00010
3 c_isdigit [function] [call site] 00011
3 strlen [call site] 00012
3 wget_malloc [function] [call site] 00013
3 strchr [call site] 00014
3 wget_iri_unescape_inline [function] [call site] 00015
4 iri_unescape_inline [function] [call site] 00016
3 wget_strtolower [function] [call site] 00022
3 strcmp [call site] 00025
3 wget_debug_printf [function] [call site] 00026
3 wget_iri_free [function] [call site] 00027
4 wget_iri_free_content [function] [call site] 00028
3 wget_iri_unescape_inline [function] [call site] 00029
3 wget_iri_unescape_inline [function] [call site] 00030
3 strlen [call site] 00031
3 wget_iri_unescape_inline [function] [call site] 00032
3 wget_debug_printf [function] [call site] 00033
3 strchr [call site] 00034
3 strchr [call site] 00035
3 strrchr [call site] 00036
3 strlen [call site] 00037
3 c_isdigit [function] [call site] 00038
3 atoi [call site] 00039
3 wget_strtolower [function] [call site] 00040
3 wget_str_needs_encoding [function] [call site] 00041
3 wget_str_to_utf8 [function] [call site] 00042
4 wget_striconv [function] [call site] 00043
5 strlen [call site] 00044
5 wget_memiconv [function] [call site] 00045
6 wget_strcasecmp_ascii [function] [call site] 00046
7 c_strcasecmp [function] [call site] 00047
6 iconv_open [call site] 00050
6 wget_malloc [function] [call site] 00051
6 iconv_close [call site] 00052
6 __errno_location [call site] 00053
6 iconv [call site] 00054
6 iconv [call site] 00055
6 wget_debug_printf [function] [call site] 00056
6 wget_realloc [function] [call site] 00057
6 gettext [call site] 00058
6 wget_error_printf [function] [call site] 00059
6 iconv_close [call site] 00060
6 gettext [call site] 00061
6 wget_error_printf [function] [call site] 00062
6 wget_strmemdup [function] [call site] 00063
7 wget_malloc [function] [call site] 00064
3 wget_str_to_ascii [function] [call site] 00065
4 wget_str_needs_encoding [function] [call site] 00066
4 idn2_lookup_u8 [function] [call site] 00067
5 set_default_flags [function] [call site] 00068
5 _tr46 [function] [call site] 00069
6 u8_strlen [function] [call site] 00070
7 strlen [call site] 00071
6 u8_to_u32 [function] [call site] 00072
7 u8_mbtoucr [function] [call site] 00073
7 libunistring_rpl_free [function] [call site] 00074
8 __errno_location [call site] 00075
8 __errno_location [call site] 00076
7 __errno_location [call site] 00077
7 realloc [call site] 00078
7 libunistring_rpl_free [function] [call site] 00079
7 __errno_location [call site] 00080
7 __errno_location [call site] 00081
7 realloc [call site] 00082
6 __errno_location [call site] 00083
6 get_idna_map [function] [call site] 00084
7 bsearch [call site] 00085
7 _compare_idna_map [function] [call site] 00086
8 _fill_map [function] [call site] 00087
7 bsearch [call site] 00088
7 _compare_idna_map [function] [call site] 00089
7 bsearch [call site] 00090
7 _compare_idna_map [function] [call site] 00091
7 _fill_map [function] [call site] 00092
6 get_idna_map [function] [call site] 00103
6 get_map_data [function] [call site] 00106
6 get_map_data [function] [call site] 00110
6 get_map_data [function] [call site] 00113
6 u32_normalize [function] [call site] 00115
7 u32_mbtouc_unsafe [function] [call site] 00116
7 abort [call site] 00117
7 abort [call site] 00118
7 uc_combining_class [function] [call site] 00119
7 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00120
8 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00121
9 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00122
10 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00123
11 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00124
7 u32_uctomb [function] [call site] 00127
7 __errno_location [call site] 00128
7 abort [call site] 00129
7 __errno_location [call site] 00130
7 __errno_location [call site] 00131
7 realloc [call site] 00133
7 __errno_location [call site] 00134
7 u32_uctomb [function] [call site] 00135
7 __errno_location [call site] 00136
7 abort [call site] 00137
7 abort [call site] 00138
7 __errno_location [call site] 00139
7 libunistring_rpl_free [function] [call site] 00140
7 __errno_location [call site] 00141
7 realloc [call site] 00142
7 abort [call site] 00143
7 libunistring_rpl_free [function] [call site] 00144
7 __errno_location [call site] 00145
7 libunistring_rpl_free [function] [call site] 00146
7 libunistring_rpl_free [function] [call site] 00147
7 __errno_location [call site] 00148
6 __errno_location [call site] 00150
6 u32_to_u8 [function] [call site] 00151
7 u8_uctomb [function] [call site] 00152
7 libunistring_rpl_free [function] [call site] 00153
7 __errno_location [call site] 00154
7 realloc [call site] 00155
7 libunistring_rpl_free [function] [call site] 00156
7 u8_uctomb [function] [call site] 00157
7 abort [call site] 00158
7 __errno_location [call site] 00159
7 realloc [call site] 00160
6 __errno_location [call site] 00162
6 idn2_punycode_decode [function] [call site] 00163
6 _idn2_label_test [function] [call site] 00168
7 u32_normalize [function] [call site] 00169
7 memcmp [call site] 00170
7 uc_is_general_category [function] [call site] 00172
8 bitmap_lookup [function] [call site] 00173
7 _idn2_disallowed_p [function] [call site] 00174
8 property [function] [call site] 00175
9 bsearch [call site] 00176
7 get_idna_map [function] [call site] 00178
7 _idn2_contextj_p [function] [call site] 00181
7 _idn2_contextj_rule [function] [call site] 00183
8 _idn2_contextj_p [function] [call site] 00184
8 uc_combining_class [function] [call site] 00185
8 uc_joining_type [function] [call site] 00186
9 uc_is_general_category_withtable [function] [call site] 00187
10 lookup_withtable [function] [call site] 00188
8 uc_joining_type [function] [call site] 00189
8 uc_combining_class [function] [call site] 00190
7 _idn2_contexto_p [function] [call site] 00191
7 _idn2_contexto_p [function] [call site] 00193
7 _idn2_contexto_with_rule [function] [call site] 00194
7 _idn2_contexto_rule [function] [call site] 00195
8 _idn2_contexto_p [function] [call site] 00196
8 _uc_script_name [function] [call site] 00197
9 uc_script [function] [call site] 00198
8 strcmp [call site] 00199
8 _uc_script_name [function] [call site] 00200
8 strcmp [call site] 00201
8 _uc_script_name [function] [call site] 00202
8 strcmp [call site] 00203
8 _uc_script_name [function] [call site] 00204
8 strcmp [call site] 00205
8 _uc_script_name [function] [call site] 00206
8 strcmp [call site] 00207
7 _idn2_unassigned_p [function] [call site] 00208
7 _idn2_bidi [function] [call site] 00210
8 _isBidi [function] [call site] 00211
9 uc_bidi_category [function] [call site] 00212
10 uc_bidi_class [function] [call site] 00213
8 uc_bidi_category [function] [call site] 00214
8 uc_bidi_category [function] [call site] 00215
8 uc_bidi_category [function] [call site] 00216
7 get_idna_map [function] [call site] 00217
6 _idn2_label_test [function] [call site] 00221
6 u32_to_u8 [function] [call site] 00222
6 __errno_location [call site] 00224
5 strchrnul [call site] 00226
5 label [function] [call site] 00227
6 _idn2_ascii_p [function] [call site] 00228
6 memcmp [call site] 00229
6 idn2_punycode_decode [function] [call site] 00230
6 u32_to_u8 [function] [call site] 00231
6 __errno_location [call site] 00232
6 _idn2_u8_to_u32_nfc [function] [call site] 00233
7 u8_to_u32 [function] [call site] 00234
7 __errno_location [call site] 00235
7 _isNFC [function] [call site] 00236
8 uc_combining_class [function] [call site] 00237
8 get_nfcqc_map [function] [call site] 00238
9 bsearch [call site] 00239
9 _compare_nfcqc_map [function] [call site] 00240
7 u32_normalize [function] [call site] 00241
7 __errno_location [call site] 00243
6 _idn2_label_test [function] [call site] 00244
6 idn2_punycode_encode [function] [call site] 00245
7 encode_digit [function] [call site] 00246
7 encode_digit [function] [call site] 00247
6 c_strncasecmp [function] [call site] 00249
6 idn2_punycode_decode [function] [call site] 00252
4 idn2_lookup_u8 [function] [call site] 00260
4 wget_debug_printf [function] [call site] 00261
4 gettext [call site] 00262
4 idn2_strerror [function] [call site] 00263
4 wget_error_printf [function] [call site] 00264
3 wget_ip_is_family [function] [call site] 00265
4 inet_pton [call site] 00266
3 gettext [call site] 00267
3 wget_error_printf [function] [call site] 00268
3 wget_iri_free [function] [call site] 00269
3 wget_str_needs_encoding [function] [call site] 00270
3 wget_str_to_utf8 [function] [call site] 00271
3 wget_str_needs_encoding [function] [call site] 00272
3 wget_str_to_utf8 [function] [call site] 00273
3 wget_str_needs_encoding [function] [call site] 00274
3 wget_str_to_utf8 [function] [call site] 00275
2 __assert_fail [call site] 00276
2 wget_iri_parse [function] [call site] 00277
2 wget_iri_clone [function] [call site] 00278
3 strlen [call site] 00279
3 wget_malloc [function] [call site] 00280
3 wget_strdup [function] [call site] 00281
4 strlen [call site] 00282
4 wget_memdup [function] [call site] 00283
5 wget_malloc [function] [call site] 00284
3 wget_strdup [function] [call site] 00285
3 wget_strdup [function] [call site] 00286
3 wget_strdup [function] [call site] 00287
3 wget_strdup [function] [call site] 00288
2 wget_iri_free [function] [call site] 00289
2 wget_iri_parse_base [function] [call site] 00290
3 wget_buffer_init [function] [call site] 00291
4 wget_malloc [function] [call site] 00292
3 wget_iri_relative_to_abs [function] [call site] 00293
4 wget_debug_printf [function] [call site] 00294
4 strlen [call site] 00295
4 wget_malloc [function] [call site] 00296
4 wget_strscpy [function] [call site] 00297
4 strchr [call site] 00298
4 normalize_path [function] [call site] 00299
5 wget_debug_printf [function] [call site] 00300
5 strncmp [call site] 00301
5 strcmp [call site] 00302
5 strncmp [call site] 00303
5 strcmp [call site] 00304
5 strlen [call site] 00305
5 wget_debug_printf [function] [call site] 00306
4 wget_buffer_strcpy [function] [call site] 00307
5 strlen [call site] 00308
5 wget_buffer_memcat [function] [call site] 00309
6 buffer_realloc [function] [call site] 00310
7 wget_realloc [function] [call site] 00311
7 wget_malloc [function] [call site] 00312
4 wget_buffer_strcat [function] [call site] 00313
5 strlen [call site] 00314
5 wget_buffer_memcat [function] [call site] 00315
4 wget_buffer_strcat [function] [call site] 00316
4 wget_debug_printf [function] [call site] 00317
4 normalize_path [function] [call site] 00318
4 wget_buffer_reset [function] [call site] 00319
4 wget_iri_get_connection_part [function] [call site] 00320
5 wget_ip_is_family [function] [call site] 00321
5 wget_buffer_printf_append [function] [call site] 00322
6 wget_buffer_vprintf_append [function] [call site] 00323
7 wget_buffer_memcat [function] [call site] 00324
7 wget_buffer_strcat [function] [call site] 00325
7 convert_dec_fast [function] [call site] 00326
8 wget_buffer_memcat [function] [call site] 00327
7 wget_buffer_memcat [function] [call site] 00328
7 convert_pointer [function] [call site] 00329
8 wget_buffer_memcat [function] [call site] 00330
8 wget_buffer_memcat [function] [call site] 00331
8 wget_buffer_memcat [function] [call site] 00332
7 wget_buffer_memset_append [function] [call site] 00333
8 buffer_realloc [function] [call site] 00334
7 read_flag_chars [function] [call site] 00335
7 read_field_width [function] [call site] 00336
8 c_isdigit [function] [call site] 00337
7 read_field_width [function] [call site] 00338
7 read_precision [function] [call site] 00339
7 read_precision [function] [call site] 00342
7 copy_string [function] [call site] 00343
8 wget_buffer_strcat [function] [call site] 00344
8 strnlen [call site] 00345
8 strlen [call site] 00346
8 wget_buffer_memcat [function] [call site] 00347
8 wget_buffer_memset_append [function] [call site] 00348
8 wget_buffer_memset_append [function] [call site] 00349
8 wget_buffer_memcat [function] [call site] 00350
8 wget_buffer_memcat [function] [call site] 00351
8 wget_buffer_memcat [function] [call site] 00352
7 copy_string [function] [call site] 00353
7 convert_dec [function] [call site] 00354
8 wget_buffer_memset_append [function] [call site] 00355
8 wget_buffer_memset_append [function] [call site] 00356
8 wget_buffer_memcat [function] [call site] 00357
8 wget_buffer_memset_append [function] [call site] 00358
8 wget_buffer_memcat [function] [call site] 00359
8 wget_buffer_memset_append [function] [call site] 00360
8 wget_buffer_memset_append [function] [call site] 00361
8 wget_buffer_memset_append [function] [call site] 00362
8 wget_buffer_memset_append [function] [call site] 00363
8 wget_buffer_memset_append [function] [call site] 00364
8 wget_buffer_memset_append [function] [call site] 00365
8 wget_buffer_memset_append [function] [call site] 00366
8 wget_buffer_memset_append [function] [call site] 00367
8 wget_buffer_memset_append [function] [call site] 00368
8 wget_buffer_memset_append [function] [call site] 00369
8 wget_buffer_memset_append [function] [call site] 00370
8 wget_buffer_memcat [function] [call site] 00371
8 wget_buffer_memset_append [function] [call site] 00372
8 wget_buffer_memset_append [function] [call site] 00373
8 wget_buffer_memcat [function] [call site] 00374
8 wget_buffer_memset_append [function] [call site] 00375
8 wget_buffer_memset_append [function] [call site] 00376
8 wget_buffer_memcat [function] [call site] 00377
7 convert_dec [function] [call site] 00378
7 convert_dec [function] [call site] 00379
7 convert_dec [function] [call site] 00380
7 convert_dec [function] [call site] 00381
7 convert_dec [function] [call site] 00382
7 wget_buffer_memset_append [function] [call site] 00383
5 wget_buffer_printf_append [function] [call site] 00384
5 wget_buffer_printf_append [function] [call site] 00385
4 wget_buffer_strcat [function] [call site] 00386
4 wget_buffer_strcat [function] [call site] 00387
4 wget_debug_printf [function] [call site] 00388
4 memchr [call site] 00389
4 wget_buffer_memcpy [function] [call site] 00390
5 wget_buffer_memcat [function] [call site] 00391
4 wget_debug_printf [function] [call site] 00392
4 wget_debug_printf [function] [call site] 00393
4 strrchr [call site] 00394
4 wget_buffer_reset [function] [call site] 00395
4 wget_iri_get_connection_part [function] [call site] 00396
4 wget_buffer_strcat [function] [call site] 00397
4 wget_buffer_memcat [function] [call site] 00398
4 wget_buffer_memcat [function] [call site] 00399
4 normalize_path [function] [call site] 00400
4 wget_debug_printf [function] [call site] 00401
3 wget_buffer_deinit [function] [call site] 00402
3 wget_iri_relative_to_abs [function] [call site] 00403
2 wget_iri_free [function] [call site] 00404
2 wget_iri_parse_base [function] [call site] 00405
2 wget_iri_compare [function] [call site] 00406
3 wget_strcasecmp [function] [call site] 00407
4 strcasecmp [call site] 00408
3 wget_strcasecmp [function] [call site] 00409
3 strcmp [call site] 00410
2 wget_iri_free [function] [call site] 00411
2 wget_buffer_init [function] [call site] 00412
2 wget_buffer_printf [function] [call site] 00413
3 wget_buffer_vprintf [function] [call site] 00414
4 wget_buffer_vprintf_append [function] [call site] 00415
2 wget_iri_relative_to_abs [function] [call site] 00416
2 wget_iri_escape [function] [call site] 00417
3 wget_buffer_memcat [function] [call site] 00418
3 wget_buffer_printf_append [function] [call site] 00419
3 wget_buffer_memcat [function] [call site] 00420
2 wget_iri_escape_path [function] [call site] 00421
3 wget_buffer_memcat [function] [call site] 00422
3 wget_buffer_printf_append [function] [call site] 00423
3 wget_buffer_memcat [function] [call site] 00424
2 wget_iri_escape_query [function] [call site] 00425
3 wget_buffer_memcat [function] [call site] 00426
3 wget_buffer_memcat [function] [call site] 00427
3 wget_buffer_printf_append [function] [call site] 00428
3 wget_buffer_memcat [function] [call site] 00429
2 wget_iri_supported [function] [call site] 00430
2 wget_iri_set_scheme [function] [call site] 00431
3 strlen [call site] 00432
3 strncmp [call site] 00433
3 wget_aprintf [function] [call site] 00434
4 wget_vasprintf [function] [call site] 00435
5 wget_buffer_init [function] [call site] 00436
5 wget_buffer_vprintf [function] [call site] 00437
5 wget_realloc [function] [call site] 00438
2 wget_iri_get_escaped_host [function] [call site] 00439
3 wget_iri_escape [function] [call site] 00440
2 wget_iri_get_escaped_resource [function] [call site] 00441
3 wget_iri_escape_path [function] [call site] 00442
3 wget_buffer_memcat [function] [call site] 00443
3 wget_buffer_memcat [function] [call site] 00444
2 wget_iri_get_path [function] [call site] 00445
3 wget_buffer_memcat [function] [call site] 00446
3 wget_strcasecmp_ascii [function] [call site] 00447
3 wget_utf8_to_str [function] [call site] 00448
4 wget_striconv [function] [call site] 00449
3 wget_buffer_strcat [function] [call site] 00450
3 wget_buffer_strcat [function] [call site] 00451
3 wget_buffer_strcat [function] [call site] 00452
3 wget_buffer_memcat [function] [call site] 00453
2 wget_iri_get_query_as_filename [function] [call site] 00454
3 wget_buffer_memcat [function] [call site] 00455
3 wget_strcasecmp_ascii [function] [call site] 00456
3 wget_utf8_to_str [function] [call site] 00457
3 strchr [call site] 00458
3 wget_buffer_memcat [function] [call site] 00459
3 wget_buffer_memcat [function] [call site] 00460
3 wget_buffer_memcat [function] [call site] 00461
3 wget_buffer_strcat [function] [call site] 00462
2 wget_iri_get_basename [function] [call site] 00463
3 wget_strcasecmp_ascii [function] [call site] 00464
3 strrchr [call site] 00465
3 wget_utf8_to_str [function] [call site] 00466
3 wget_buffer_strcat [function] [call site] 00467
3 wget_utf8_to_str [function] [call site] 00468
3 wget_buffer_strcat [function] [call site] 00469
3 wget_buffer_strcat [function] [call site] 00470
3 strrchr [call site] 00471
3 wget_buffer_strcat [function] [call site] 00472
3 wget_buffer_strcat [function] [call site] 00473
3 wget_buffer_memcat [function] [call site] 00474
3 wget_iri_get_query_as_filename [function] [call site] 00475
2 wget_iri_get_connection_part [function] [call site] 00476
2 wget_buffer_deinit [function] [call site] 00477
2 wget_iri_free [function] [call site] 00478
2 wget_iri_free [function] [call site] 00479
1 test(char*, unsigned long, char const*) [function] [call site] 00480