Fuzz introspector: libpsl_idn_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
89 5 is_public_suffix call site: 00005 idna_to_ascii_8z
8 113 is_public_suffix call site: 00113 LookupStringInFixedSet
8 173 libunistring_u8_casemap call site: 00173 u8_mbtouc_unsafe
5 182 libunistring_u8_casemap call site: 00182 __errno_location
5 207 u8_normalize call site: 00207 __errno_location
5 229 libunistring_u8_casemap call site: 00229 libunistring_rpl_free
4 137 psl_is_cookie_domain_acceptable call site: 00137 is_ip6
4 215 u8_normalize call site: 00215 __errno_location
4 224 u8_normalize call site: 00224 libunistring_rpl_free
3 152 psl_strdup call site: 00152 __ctype_b_loc
3 235 u8_tolower call site: 00235 idn_u8_tolower
2 131 LLVMFuzzerTestOneInput call site: 00131 is_public_suffix

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 __assert_fail [call site] 00001
1 psl_builtin [function] [call site] 00002
1 psl_is_public_suffix [function] [call site] 00003
2 is_public_suffix [function] [call site] 00004
3 strlen [call site] 00005
3 psl_idna_open [function] [call site] 00006
3 psl_idna_toASCII [function] [call site] 00007
4 utf8_is_valid [function] [call site] 00008
4 idna_to_ascii_8z [function] [call site] 00009
5 stringprep_utf8_to_ucs4 [function] [call site] 00010
6 strlen [call site] 00011
6 g_utf8_to_ucs4_fast [function] [call site] 00013
5 idna_to_ascii_4z [function] [call site] 00014
6 strcpy [call site] 00015
6 strcpy [call site] 00016
6 idna_to_ascii_4i [function] [call site] 00017
7 stringprep_ucs4_to_utf8 [function] [call site] 00018
8 g_ucs4_to_utf8 [function] [call site] 00019
9 g_unichar_to_utf8 [function] [call site] 00020
7 strlen [call site] 00021
7 realloc [call site] 00022
7 rpl_free [function] [call site] 00023
8 __errno_location [call site] 00024
8 __errno_location [call site] 00025
7 stringprep [function] [call site] 00026
8 strlen [call site] 00027
8 stringprep_utf8_to_ucs4 [function] [call site] 00029
8 realloc [call site] 00030
8 stringprep_4i [function] [call site] 00032
9 stringprep_ucs4_nfkc_normalize [function] [call site] 00033
10 stringprep_ucs4_to_utf8 [function] [call site] 00034
10 _g_utf8_normalize_wc [function] [call site] 00035
11 g_utf8_get_char [function] [call site] 00036
11 decompose_hangul [function] [call site] 00037
11 find_decomposition [function] [call site] 00038
11 g_utf8_strlen [function] [call site] 00039
11 g_utf8_get_char [function] [call site] 00040
11 decompose_hangul [function] [call site] 00041
11 find_decomposition [function] [call site] 00042
11 g_utf8_get_char [function] [call site] 00043
11 g_unicode_canonical_ordering [function] [call site] 00044
11 g_unicode_canonical_ordering [function] [call site] 00045
11 combine [function] [call site] 00046
12 combine_hangul [function] [call site] 00047
10 rpl_free [function] [call site] 00048
9 stringprep_find_string_in_table [function] [call site] 00051
10 stringprep_find_character_in_table [function] [call site] 00052
11 bsearch [call site] 00053
11 _compare_table_element [function] [call site] 00054
9 stringprep_find_string_in_table [function] [call site] 00055
9 stringprep_apply_table_to_string [function] [call site] 00056
10 stringprep_find_string_in_table [function] [call site] 00057
9 stringprep_find_string_in_table [function] [call site] 00058
9 stringprep_find_string_in_table [function] [call site] 00059
9 stringprep_find_string_in_table [function] [call site] 00060
9 stringprep_find_character_in_table [function] [call site] 00061
9 stringprep_find_character_in_table [function] [call site] 00062
8 stringprep_ucs4_to_utf8 [function] [call site] 00064
8 strlen [call site] 00066
8 strcpy [call site] 00068
7 stringprep [function] [call site] 00070
7 stringprep_utf8_to_ucs4 [function] [call site] 00072
7 punycode_encode [function] [call site] 00078
8 encode_basic [function] [call site] 00079
8 encode_digit [function] [call site] 00080
8 encode_digit [function] [call site] 00081
7 strlen [call site] 00085
6 strlen [call site] 00087
6 realloc [call site] 00088
6 strcat [call site] 00090
6 strcat [call site] 00091
6 strdup [call site] 00092
3 strlen [call site] 00094
3 psl_idna_close [function] [call site] 00095
3 LookupStringInFixedSet [function] [call site] 00096
4 GetNextOffset [function] [call site] 00097
4 IsMatch [function] [call site] 00099
5 IsMatchUnchecked [function] [call site] 00100
6 GetMultibyteLength [function] [call site] 00101
4 NextPos [function] [call site] 00102
5 GetMultibyteLength [function] [call site] 00103
5 GetMultibyteLength [function] [call site] 00104
4 GetReturnValue [function] [call site] 00108
4 IsEndCharMatch [function] [call site] 00109
5 IsMatchUnchecked [function] [call site] 00110
3 strchr [call site] 00112
3 strlen [call site] 00113
3 LookupStringInFixedSet [function] [call site] 00114
3 vector_get [function] [call site] 00115
3 vector_find [function] [call site] 00116
3 vector_get [function] [call site] 00117
3 strchr [call site] 00118
3 strlen [call site] 00119
3 vector_find [function] [call site] 00120
3 vector_get [function] [call site] 00121
1 psl_is_public_suffix2 [function] [call site] 00122
2 is_public_suffix [function] [call site] 00123
1 psl_is_public_suffix2 [function] [call site] 00124
1 psl_is_public_suffix2 [function] [call site] 00125
1 psl_is_public_suffix2 [function] [call site] 00126
1 psl_unregistrable_domain [function] [call site] 00127
2 strlen [call site] 00128
2 is_public_suffix [function] [call site] 00129
2 strchr [call site] 00130
1 psl_registrable_domain [function] [call site] 00131
2 strlen [call site] 00132
2 is_public_suffix [function] [call site] 00133
2 strchr [call site] 00134
1 psl_is_cookie_domain_acceptable [function] [call site] 00135
2 strcmp [call site] 00136
2 strlen [call site] 00142
2 strlen [call site] 00143
2 strcmp [call site] 00144
2 psl_unregistrable_domain [function] [call site] 00145
2 strlen [call site] 00146
1 psl_is_cookie_domain_acceptable [function] [call site] 00147
1 psl_str_to_utf8lower [function] [call site] 00148
2 str_is_ascii [function] [call site] 00149
2 psl_strdup [function] [call site] 00150
3 strlen [call site] 00151
3 strcpy [call site] 00152
2 __ctype_b_loc [call site] 00153
2 tolower [call site] 00154
2 nl_langinfo [call site] 00155
2 iconv_open [call site] 00157
2 strlen [call site] 00158
2 iconv [call site] 00159
2 iconv [call site] 00160
2 idn_u8_tolower [function] [call site] 00161
3 u8_tolower [function] [call site] 00162
4 libunistring_u8_casemap [function] [call site] 00163
5 u8_mbtouc_unsafe [function] [call site] 00164
5 libunistring_gl_unicase_special_lookup [function] [call site] 00165
6 gl_unicase_special_hash [function] [call site] 00166
6 memcmp [call site] 00167
5 libunistring_uc_is_cased [function] [call site] 00168
6 bitmap_lookup [function] [call site] 00169
5 u8_mbtouc_unsafe [function] [call site] 00170
5 libunistring_uc_is_case_ignorable [function] [call site] 00171
6 bitmap_lookup [function] [call site] 00172
5 libunistring_uc_is_cased [function] [call site] 00173
5 libunistring_uc_is_cased [function] [call site] 00174
5 uc_is_property_soft_dotted [function] [call site] 00175
6 bitmap_lookup [function] [call site] 00176
5 u8_mbtouc_unsafe [function] [call site] 00177
5 uc_combining_class [function] [call site] 00178
5 u8_mbtouc_unsafe [function] [call site] 00179
5 uc_combining_class [function] [call site] 00180
5 abort [call site] 00181
5 u8_uctomb [function] [call site] 00182
5 __errno_location [call site] 00183
5 abort [call site] 00184
5 __errno_location [call site] 00185
5 __errno_location [call site] 00186
5 realloc [call site] 00188
5 __errno_location [call site] 00189
5 u8_uctomb [function] [call site] 00190
5 __errno_location [call site] 00191
5 abort [call site] 00192
5 libunistring_uc_is_case_ignorable [function] [call site] 00193
5 uc_combining_class [function] [call site] 00194
5 u8_normalize [function] [call site] 00195
6 u8_mbtouc_unsafe [function] [call site] 00196
6 abort [call site] 00197
6 abort [call site] 00198
6 uc_combining_class [function] [call site] 00199
6 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00200
7 libunistring_gl_uninorm_decompose_merge_sort_inplace [function] [call site] 00201
8 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00202
9 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00203
10 gl_uninorm_decompose_merge_sort_fromto [function] [call site] 00204
6 u8_uctomb [function] [call site] 00207
6 __errno_location [call site] 00208
6 abort [call site] 00209
6 __errno_location [call site] 00210
6 __errno_location [call site] 00211
6 realloc [call site] 00213
6 __errno_location [call site] 00214
6 u8_uctomb [function] [call site] 00215
6 __errno_location [call site] 00216
6 abort [call site] 00217
6 abort [call site] 00218
6 __errno_location [call site] 00219
6 libunistring_rpl_free [function] [call site] 00220
6 __errno_location [call site] 00221
6 realloc [call site] 00222
6 abort [call site] 00223
6 libunistring_rpl_free [function] [call site] 00224
6 __errno_location [call site] 00225
6 libunistring_rpl_free [function] [call site] 00226
6 libunistring_rpl_free [function] [call site] 00227
6 __errno_location [call site] 00228
5 libunistring_rpl_free [function] [call site] 00229
5 __errno_location [call site] 00230
5 realloc [call site] 00231
5 __errno_location [call site] 00232
5 libunistring_rpl_free [function] [call site] 00233
5 __errno_location [call site] 00234
4 uc_tolower [function] [call site] 00235
2 iconv_close [call site] 00236
2 strlen [call site] 00237
2 idn_u8_tolower [function] [call site] 00238
1 psl_str_to_utf8lower [function] [call site] 00239
1 psl_str_to_utf8lower [function] [call site] 00240
1 psl_free [function] [call site] 00241
2 vector_free [function] [call site] 00242
1 psl_is_public_suffix [function] [call site] 00243
1 psl_check_version_number [function] [call site] 00244
1 psl_get_version [function] [call site] 00245
1 psl_dist_filename [function] [call site] 00246
1 psl_builtin_outdated [function] [call site] 00247
2 stat [call site] 00248
1 psl_builtin_filename [function] [call site] 00249
1 psl_builtin_sha1sum [function] [call site] 00250
1 psl_builtin_file_time [function] [call site] 00251