Fuzz introspector: libpsl_idn2_load_dafsa_fuzzer
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
22 13 psl_load_fp call site: 00013 add_punycode_if_needed
14 210 _idn2_label_test call site: 00210 _idn2_contexto_rule
10 275 idn2_lookup_u8 call site: 00275 psl_free
9 48 libunistring_uc_is_case_ignorable call site: 00048 u8_mbtouc_unsafe
7 58 libunistring_u8_casemap call site: 00058 __errno_location
7 83 u8_normalize call site: 00083 __errno_location
7 201 _idn2_contextj_rule call site: 00201 uc_joining_type
7 312 is_public_suffix call site: 00312 vector_find
6 76 u8_normalize call site: 00076 libunistring_gl_uninorm_decompose_merge_sort_inplace
6 119 u8_to_u32 call site: 00119 libunistring_rpl_free
6 140 _tr46 call site: 00140 rpl_free
6 151 _tr46 call site: 00151 get_map_data

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 __assert_fail [call site] 00001
1 fmemopen [call site] 00002
1 __assert_fail [call site] 00003
1 psl_load_fp [function] [call site] 00004
2 calloc [call site] 00005
2 fgets [call site] 00006
2 strlen [call site] 00007
2 strncmp [call site] 00008
2 atoi [call site] 00009
2 fread [call site] 00010
2 realloc [call site] 00011
2 realloc [call site] 00012
2 GetUtfMode [function] [call site] 00013
2 psl_idna_open [function] [call site] 00014
2 vector_alloc [function] [call site] 00015
3 calloc [call site] 00016
2 suffix_compare_array [function] [call site] 00017
3 suffix_compare [function] [call site] 00018
4 strncmp [call site] 00019
2 psl_idna_close [function] [call site] 00020
2 isspace_ascii [function] [call site] 00021
2 strstr [call site] 00022
2 strstr [call site] 00023
2 strstr [call site] 00024
2 strstr [call site] 00025
2 isspace_ascii [function] [call site] 00026
2 suffix_init [function] [call site] 00027
2 vector_find [function] [call site] 00028
2 vector_get [function] [call site] 00029
2 vector_add [function] [call site] 00030
3 realloc [call site] 00031
2 vector_get [function] [call site] 00032
2 add_punycode_if_needed [function] [call site] 00033
3 str_is_ascii [function] [call site] 00034
3 psl_idna_toASCII [function] [call site] 00035
4 u8_strlen [function] [call site] 00036
5 strlen [call site] 00037
4 u8_tolower [function] [call site] 00038
5 libunistring_u8_casemap [function] [call site] 00039
6 u8_mbtouc_unsafe [function] [call site] 00040
6 libunistring_gl_unicase_special_lookup [function] [call site] 00041
7 gl_unicase_special_hash [function] [call site] 00042
7 memcmp [call site] 00043
6 libunistring_uc_is_cased [function] [call site] 00044
7 bitmap_lookup [function] [call site] 00045
6 u8_mbtouc_unsafe [function] [call site] 00046
6 libunistring_uc_is_case_ignorable [function] [call site] 00047
7 bitmap_lookup [function] [call site] 00048
6 libunistring_uc_is_cased [function] [call site] 00049
6 libunistring_uc_is_cased [function] [call site] 00050
6 uc_is_property_soft_dotted [function] [call site] 00051
7 bitmap_lookup [function] [call site] 00052
6 u8_mbtouc_unsafe [function] [call site] 00053
6 uc_combining_class [function] [call site] 00054
6 u8_mbtouc_unsafe [function] [call site] 00055
6 uc_combining_class [function] [call site] 00056
6 abort [call site] 00057
6 u8_uctomb [function] [call site] 00058
6 __errno_location [call site] 00059
6 abort [call site] 00060
6 __errno_location [call site] 00061
6 __errno_location [call site] 00062
6 u8_cpy [function] [call site] 00063
6 realloc [call site] 00064
6 __errno_location [call site] 00065
6 u8_uctomb [function] [call site] 00066
6 __errno_location [call site] 00067
6 abort [call site] 00068
6 libunistring_uc_is_case_ignorable [function] [call site] 00069
6 uc_combining_class [function] [call site] 00070
6 u8_normalize [function] [call site] 00071
7 u8_mbtouc_unsafe [function] [call site] 00072
7 abort [call site] 00073
7 abort [call site] 00074
7 uc_combining_class [function] [call site] 00075
7 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00076
8 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00077
9 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00078
10 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00079
11 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00080
12 merge [function] [call site] 00081
9 merge [function] [call site] 00082
7 u8_uctomb [function] [call site] 00083
7 __errno_location [call site] 00084
7 abort [call site] 00085
7 __errno_location [call site] 00086
7 __errno_location [call site] 00087
7 u8_cpy [function] [call site] 00088
7 realloc [call site] 00089
7 __errno_location [call site] 00090
7 u8_uctomb [function] [call site] 00091
7 __errno_location [call site] 00092
7 abort [call site] 00093
7 abort [call site] 00094
7 __errno_location [call site] 00095
7 libunistring_rpl_free [function] [call site] 00096
8 __errno_location [call site] 00097
8 __errno_location [call site] 00098
7 __errno_location [call site] 00099
7 realloc [call site] 00100
7 abort [call site] 00101
7 libunistring_rpl_free [function] [call site] 00102
7 __errno_location [call site] 00103
7 libunistring_rpl_free [function] [call site] 00104
7 libunistring_rpl_free [function] [call site] 00105
7 __errno_location [call site] 00106
6 libunistring_rpl_free [function] [call site] 00107
6 __errno_location [call site] 00108
6 realloc [call site] 00109
6 __errno_location [call site] 00110
6 libunistring_rpl_free [function] [call site] 00111
6 __errno_location [call site] 00112
5 uc_tolower [function] [call site] 00113
4 idn2_lookup_u8 [function] [call site] 00114
5 set_default_flags [function] [call site] 00115
5 _tr46 [function] [call site] 00116
6 u8_strlen [function] [call site] 00117
6 u8_to_u32 [function] [call site] 00118
7 u8_mbtoucr [function] [call site] 00119
7 libunistring_rpl_free [function] [call site] 00120
7 __errno_location [call site] 00121
7 realloc [call site] 00122
7 libunistring_rpl_free [function] [call site] 00123
7 __errno_location [call site] 00124
7 __errno_location [call site] 00125
7 realloc [call site] 00126
6 __errno_location [call site] 00127
6 get_idna_map [function] [call site] 00128
7 bsearch [call site] 00129
7 _compare_idna_map [function] [call site] 00130
8 _fill_map [function] [call site] 00131
7 bsearch [call site] 00132
7 _compare_idna_map [function] [call site] 00133
7 bsearch [call site] 00134
7 _compare_idna_map [function] [call site] 00135
7 _fill_map [function] [call site] 00136
6 map_is [function] [call site] 00137
6 rpl_free [function] [call site] 00138
6 map_is [function] [call site] 00139
6 map_is [function] [call site] 00140
6 map_is [function] [call site] 00141
6 map_is [function] [call site] 00142
6 map_is [function] [call site] 00143
6 map_is [function] [call site] 00144
6 rpl_free [function] [call site] 00145
6 rpl_free [function] [call site] 00146
6 get_idna_map [function] [call site] 00147
6 map_is [function] [call site] 00148
6 map_is [function] [call site] 00149
6 get_map_data [function] [call site] 00150
6 map_is [function] [call site] 00151
6 map_is [function] [call site] 00152
6 map_is [function] [call site] 00153
6 get_map_data [function] [call site] 00154
6 map_is [function] [call site] 00155
6 map_is [function] [call site] 00156
6 get_map_data [function] [call site] 00157
6 rpl_free [function] [call site] 00158
6 u32_normalize [function] [call site] 00159
7 u32_mbtouc_unsafe [function] [call site] 00160
7 u32_uctomb [function] [call site] 00161
7 u32_cpy [function] [call site] 00162
7 u32_uctomb [function] [call site] 00163
6 rpl_free [function] [call site] 00164
6 __errno_location [call site] 00165
6 u32_to_u8 [function] [call site] 00166
7 u8_uctomb [function] [call site] 00167
7 libunistring_rpl_free [function] [call site] 00168
7 __errno_location [call site] 00169
7 realloc [call site] 00170
7 libunistring_rpl_free [function] [call site] 00171
7 __errno_location [call site] 00172
7 u8_uctomb [function] [call site] 00173
7 abort [call site] 00174
7 __errno_location [call site] 00175
7 realloc [call site] 00176
6 rpl_free [function] [call site] 00177
6 __errno_location [call site] 00178
6 idn2_punycode_decode [function] [call site] 00179
7 decode_digit [function] [call site] 00180
7 adapt [function] [call site] 00181
6 rpl_free [function] [call site] 00182
6 rpl_free [function] [call site] 00183
6 _idn2_label_test [function] [call site] 00184
7 u32_normalize [function] [call site] 00185
7 __errno_location [call site] 00186
7 memcmp [call site] 00187
7 rpl_free [function] [call site] 00188
7 uc_is_general_category [function] [call site] 00189
8 bitmap_lookup [function] [call site] 00190
7 _idn2_disallowed_p [function] [call site] 00191
8 property [function] [call site] 00192
9 bsearch [call site] 00193
9 _compare [function] [call site] 00194
7 get_idna_map [function] [call site] 00195
7 map_is [function] [call site] 00196
7 map_is [function] [call site] 00197
7 _idn2_contextj_p [function] [call site] 00198
8 property [function] [call site] 00199
7 _idn2_contextj_rule [function] [call site] 00200
8 _idn2_contextj_p [function] [call site] 00201
8 uc_combining_class [function] [call site] 00202
8 uc_joining_type [function] [call site] 00203
9 uc_is_general_category_withtable [function] [call site] 00204
10 lookup_withtable [function] [call site] 00205
8 uc_joining_type [function] [call site] 00206
8 uc_combining_class [function] [call site] 00207
7 _idn2_contexto_p [function] [call site] 00208
8 property [function] [call site] 00209
7 _idn2_contexto_p [function] [call site] 00210
7 _idn2_contexto_with_rule [function] [call site] 00211
7 _idn2_contexto_rule [function] [call site] 00212
8 _idn2_contexto_p [function] [call site] 00213
8 _uc_script_name [function] [call site] 00214
9 uc_script [function] [call site] 00215
8 strcmp [call site] 00216
8 _uc_script_name [function] [call site] 00217
8 strcmp [call site] 00218
8 _uc_script_name [function] [call site] 00219
8 strcmp [call site] 00220
8 _uc_script_name [function] [call site] 00221
8 strcmp [call site] 00222
8 _uc_script_name [function] [call site] 00223
8 strcmp [call site] 00224
7 _idn2_unassigned_p [function] [call site] 00225
8 property [function] [call site] 00226
7 _idn2_bidi [function] [call site] 00227
8 _isBidi [function] [call site] 00228
9 uc_bidi_category [function] [call site] 00229
10 uc_bidi_class [function] [call site] 00230
8 uc_bidi_category [function] [call site] 00231
8 uc_bidi_category [function] [call site] 00232
8 uc_bidi_category [function] [call site] 00233
7 get_idna_map [function] [call site] 00234
7 map_is [function] [call site] 00235
7 map_is [function] [call site] 00236
7 map_is [function] [call site] 00237
6 _idn2_label_test [function] [call site] 00238
6 u32_to_u8 [function] [call site] 00239
6 rpl_free [function] [call site] 00240
6 __errno_location [call site] 00241
6 rpl_free [function] [call site] 00242
5 strchrnul [call site] 00243
5 label [function] [call site] 00244
6 _idn2_ascii_p [function] [call site] 00245
6 memcmp [call site] 00246
6 idn2_punycode_decode [function] [call site] 00247
6 u32_to_u8 [function] [call site] 00248
6 __errno_location [call site] 00249
6 _idn2_u8_to_u32_nfc [function] [call site] 00250
7 u8_to_u32 [function] [call site] 00251
7 __errno_location [call site] 00252
7 _isNFC [function] [call site] 00253
8 uc_combining_class [function] [call site] 00254
8 get_nfcqc_map [function] [call site] 00255
9 bsearch [call site] 00256
9 _compare_nfcqc_map [function] [call site] 00257
7 u32_normalize [function] [call site] 00258
7 rpl_free [function] [call site] 00259
6 _idn2_label_test [function] [call site] 00260
6 idn2_punycode_encode [function] [call site] 00261
7 encode_digit [function] [call site] 00262
7 encode_digit [function] [call site] 00263
7 adapt [function] [call site] 00264
6 c_strncasecmp [function] [call site] 00265
7 c_tolower [function] [call site] 00266
7 c_tolower [function] [call site] 00267
6 idn2_punycode_decode [function] [call site] 00268
6 u32_cmp [function] [call site] 00269
6 rpl_free [function] [call site] 00270
6 rpl_free [function] [call site] 00271
5 rpl_free [function] [call site] 00272
5 rpl_free [function] [call site] 00273
5 rpl_free [function] [call site] 00274
5 rpl_free [function] [call site] 00275
3 strcmp [call site] 00276
3 strlen [call site] 00277
3 suffix_init [function] [call site] 00278
3 vector_add [function] [call site] 00279
3 vector_get [function] [call site] 00280
2 fgets [call site] 00281
2 vector_sort [function] [call site] 00282
3 qsort [call site] 00283
2 psl_idna_close [function] [call site] 00284
2 psl_free [function] [call site] 00285
3 vector_free [function] [call site] 00286
1 psl_is_public_suffix [function] [call site] 00287
2 is_public_suffix [function] [call site] 00288
3 strlen [call site] 00289
3 psl_idna_open [function] [call site] 00290
3 psl_idna_toASCII [function] [call site] 00291
3 strlen [call site] 00292
3 psl_idna_close [function] [call site] 00293
3 LookupStringInFixedSet [function] [call site] 00294
4 GetNextOffset [function] [call site] 00295
4 IsEOL [function] [call site] 00296
4 IsMatch [function] [call site] 00297
5 IsMatchUnchecked [function] [call site] 00298
6 GetMultibyteLength [function] [call site] 00299
4 NextPos [function] [call site] 00300
5 GetMultibyteLength [function] [call site] 00301
5 GetMultibyteLength [function] [call site] 00302
4 IsEOL [function] [call site] 00303
4 IsMatch [function] [call site] 00304
4 NextPos [function] [call site] 00305
4 GetReturnValue [function] [call site] 00306
4 IsEndCharMatch [function] [call site] 00307
5 IsMatchUnchecked [function] [call site] 00308
4 NextPos [function] [call site] 00309
3 strchr [call site] 00310
3 strlen [call site] 00311
3 LookupStringInFixedSet [function] [call site] 00312
3 vector_get [function] [call site] 00313
3 vector_find [function] [call site] 00314
3 vector_get [function] [call site] 00315
3 strchr [call site] 00316
3 strlen [call site] 00317
3 vector_find [function] [call site] 00318
3 vector_get [function] [call site] 00319
1 psl_is_public_suffix [function] [call site] 00320
1 psl_suffix_wildcard_count [function] [call site] 00321
1 psl_suffix_exception_count [function] [call site] 00322
1 psl_suffix_count [function] [call site] 00323
1 psl_free [function] [call site] 00324
1 fclose [call site] 00325
1 psl_latest [function] [call site] 00326
2 insert_file [function] [call site] 00327
3 stat [call site] 00328
2 insert_file [function] [call site] 00329
2 insert_file [function] [call site] 00330
2 psl_load_file [function] [call site] 00331
3 fopen [call site] 00332
3 psl_load_fp [function] [call site] 00333
3 fclose [call site] 00334
2 psl_builtin [function] [call site] 00335
1 psl_free [function] [call site] 00336