Fuzz introspector: libidn/fuzz/libidn_stringprep_fuzzer.c
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
262 0 EP call site: 00000 tld_check_lz

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 malloc [function] [call site] 00001
1 malloc [function] [call site] 00002
1 malloc [function] [call site] 00003
1 assert [function] [call site] 00004
1 assert [function] [call site] 00005
1 assert [function] [call site] 00006
1 memcpy [function] [call site] 00007
1 stringprep_check_version [function] [call site] 00008
2 strverscmp [function] [call site] 00009
1 stringprep_profile [function] [call site] 00010
2 strlen [function] [call site] 00011
2 strcmp [function] [call site] 00012
3 u_unescape [function] [call site] 00013
4 _appendUChars [function] [call site] 00014
5 u_charsToUChars [function] [call site] 00015
6 CHAR_TO_UCHAR [function] [call site] 00016
6 U_ASSERT [function] [call site] 00017
4 u_unescapeAt [function] [call site] 00018
5 charAt [function] [call site] 00019
5 charAt [function] [call site] 00020
5 _digit8 [function] [call site] 00021
5 charAt [function] [call site] 00022
5 _digit8 [function] [call site] 00023
5 _digit16 [function] [call site] 00024
5 U16_IS_LEAD [function] [call site] 00025
5 charAt [function] [call site] 00026
5 u_unescapeAt [function] [call site] 00027
5 U16_IS_TRAIL [function] [call site] 00028
5 U16_GET_SUPPLEMENTARY [function] [call site] 00029
5 charAt [function] [call site] 00030
5 U16_IS_LEAD [function] [call site] 00031
5 charAt [function] [call site] 00032
5 U16_IS_TRAIL [function] [call site] 00033
5 U16_GET_SUPPLEMENTARY [function] [call site] 00034
5 U16_IS_LEAD [function] [call site] 00035
5 charAt [function] [call site] 00036
5 U16_IS_TRAIL [function] [call site] 00037
5 U16_GET_SUPPLEMENTARY [function] [call site] 00038
4 uprv_strlen [function] [call site] 00039
4 U16_LENGTH [function] [call site] 00040
4 U16_APPEND_UNSAFE [function] [call site] 00041
4 U16_LENGTH [function] [call site] 00042
4 _appendUChars [function] [call site] 00043
3 u_unescape [function] [call site] 00044
3 ucol_strcoll [function] [call site] 00045
4 UTRACE_ENTRY [function] [call site] 00046
4 UTRACE_LEVEL [function] [call site] 00047
4 UTRACE_DATA3 [function] [call site] 00048
4 UTRACE_DATA2 [function] [call site] 00049
4 UTRACE_DATA2 [function] [call site] 00050
4 fromUCollator [function] [call site] 00051
5 reinterpret_cast<Collator [call site] 00052
4 UTRACE_EXIT_VALUE_STATUS [function] [call site] 00053
2 free [function] [call site] 00054
2 malloc [function] [call site] 00055
2 strcpy [function] [call site] 00056
3 log_err [function] [call site] 00057
3 u_errorName [function] [call site] 00058
2 stringprep [function] [call site] 00059
3 strlen [function] [call site] 00060
3 free [function] [call site] 00061
3 stringprep_utf8_to_ucs4 [function] [call site] 00062
4 strlen [function] [call site] 00063
4 u8_check [function] [call site] 00064
4 g_utf8_to_ucs4_fast [function] [call site] 00065
5 g_return_val_if_fail [function] [call site] 00066
5 g_utf8_next_char [function] [call site] 00067
5 g_utf8_next_char [function] [call site] 00068
5 g_malloc [function] [call site] 00069
5 G_UNLIKELY [function] [call site] 00070
3 realloc [function] [call site] 00071
3 free [function] [call site] 00072
3 stringprep_4i [function] [call site] 00073
4 UNAPPLICAPLEFLAGS [function] [call site] 00074
4 stringprep_ucs4_nfkc_normalize [function] [call site] 00075
5 stringprep_ucs4_to_utf8 [function] [call site] 00076
6 g_ucs4_to_utf8 [function] [call site] 00077
7 UTF8_LENGTH [function] [call site] 00078
7 g_malloc [function] [call site] 00079
7 g_unichar_to_utf8 [function] [call site] 00080
5 _g_utf8_normalize_wc [function] [call site] 00081
6 g_utf8_get_char [function] [call site] 00082
7 UTF8_COMPUTE [function] [call site] 00083
7 UTF8_GET [function] [call site] 00084
6 decompose_hangul [function] [call site] 00085
6 find_decomposition [function] [call site] 00086
7 G_N_ELEMENTS [function] [call site] 00087
6 g_utf8_strlen [function] [call site] 00088
7 g_return_val_if_fail [function] [call site] 00089
7 g_utf8_next_char [function] [call site] 00090
6 g_utf8_next_char [function] [call site] 00091
6 g_malloc [function] [call site] 00092
6 g_utf8_get_char [function] [call site] 00093
6 decompose_hangul [function] [call site] 00094
6 find_decomposition [function] [call site] 00095
6 g_utf8_next_char [function] [call site] 00096
6 g_utf8_get_char [function] [call site] 00097
6 COMBINING_CLASS [function] [call site] 00098
6 g_unicode_canonical_ordering [function] [call site] 00099
7 COMBINING_CLASS [function] [call site] 00100
7 COMBINING_CLASS [function] [call site] 00101
7 COMBINING_CLASS [function] [call site] 00102
6 g_utf8_next_char [function] [call site] 00103
6 g_unicode_canonical_ordering [function] [call site] 00104
6 COMBINING_CLASS [function] [call site] 00105
6 combine [function] [call site] 00106
7 combine_hangul [function] [call site] 00107
7 COMPOSE_INDEX [function] [call site] 00108
7 COMPOSE_INDEX [function] [call site] 00109
6 COMBINING_CLASS [function] [call site] 00110
5 free [function] [call site] 00111
4 free [function] [call site] 00112
4 memcpy [function] [call site] 00113
4 free [function] [call site] 00114
4 stringprep_find_string_in_table [function] [call site] 00115
5 stringprep_find_character_in_table [function] [call site] 00116
6 bsearch [function] [call site] 00117
4 UNAPPLICAPLEFLAGS [function] [call site] 00118
4 stringprep_find_string_in_table [function] [call site] 00119
4 UNAPPLICAPLEFLAGS [function] [call site] 00120
4 stringprep_apply_table_to_string [function] [call site] 00121
5 stringprep_find_string_in_table [function] [call site] 00122
5 memmove [function] [call site] 00123
5 memcpy [function] [call site] 00124
4 stringprep_find_string_in_table [function] [call site] 00125
4 stringprep_find_string_in_table [function] [call site] 00126
4 stringprep_find_string_in_table [function] [call site] 00127
4 stringprep_find_character_in_table [function] [call site] 00128
4 stringprep_find_character_in_table [function] [call site] 00129
3 free [function] [call site] 00130
3 stringprep_ucs4_to_utf8 [function] [call site] 00131
3 free [function] [call site] 00132
3 strlen [function] [call site] 00133
3 free [function] [call site] 00134
3 strcpy [function] [call site] 00135
3 free [function] [call site] 00136
2 free [function] [call site] 00137
1 idn_free [function] [call site] 00138
2 free [function] [call site] 00139
1 pr29_8z [function] [call site] 00140
2 stringprep_utf8_to_ucs4 [function] [call site] 00141
2 pr29_4z [function] [call site] 00142
3 pr29_4 [function] [call site] 00143
4 first_column [function] [call site] 00144
4 combinationclass [function] [call site] 00145
4 in_last_column_row [function] [call site] 00146
2 free [function] [call site] 00147
1 tld_get_z [function] [call site] 00148
2 strlen [function] [call site] 00149
2 calloc [function] [call site] 00150
2 tld_get_4 [function] [call site] 00151
3 DOTP [function] [call site] 00152
3 malloc [function] [call site] 00153
2 free [function] [call site] 00154
1 idn_free [function] [call site] 00155
1 tld_default_table [function] [call site] 00156
2 tld_get_table [function] [call site] 00157
3 strcmp [function] [call site] 00158
2 tld_get_table [function] [call site] 00159
1 tld_check_8z [function] [call site] 00160
2 stringprep_utf8_to_ucs4 [function] [call site] 00161
2 tld_check_4 [function] [call site] 00162
3 tld_get_4 [function] [call site] 00163
3 tld_default_table [function] [call site] 00164
3 free [function] [call site] 00165
3 tld_check_4t [function] [call site] 00166
4 _tld_checkchar [function] [call site] 00167
5 DOTP [function] [call site] 00168
2 free [function] [call site] 00169
1 tld_check_lz [function] [call site] 00170
2 stringprep_locale_to_utf8 [function] [call site] 00171
3 stringprep_convert [function] [call site] 00172
4 str_iconv [function] [call site] 00173
5 c_strcasecmp [function] [call site] 00174
6 c_tolower [function] [call site] 00175
6 c_tolower [function] [call site] 00176
6 _GL_CMP [function] [call site] 00177
5 strdup [function] [call site] 00178
5 iconv_open [function] [call site] 00179
5 str_cd_iconv [function] [call site] 00180
6 mem_cd_iconv [function] [call site] 00181
7 iconv [function] [call site] 00182
7 iconv [function] [call site] 00183
7 iconv [function] [call site] 00184
7 malloc [function] [call site] 00185
7 iconv [function] [call site] 00186
7 iconv [function] [call site] 00187
7 iconv [function] [call site] 00188
7 abort [function] [call site] 00189
7 free [function] [call site] 00190
6 strlen [function] [call site] 00191
6 abort [function] [call site] 00192
6 realloc [function] [call site] 00193
6 malloc [function] [call site] 00194
6 free [function] [call site] 00195
6 strlen [function] [call site] 00196
6 malloc [function] [call site] 00197
6 iconv [function] [call site] 00198
6 iconv [function] [call site] 00199
6 realloc [function] [call site] 00200
6 iconv [function] [call site] 00201
6 realloc [function] [call site] 00202
6 realloc [function] [call site] 00203
6 free [function] [call site] 00204
5 iconv_close [function] [call site] 00205
5 iconv_close [function] [call site] 00206
5 free [function] [call site] 00207
4 fprintf [function] [call site] 00208
5 va_start [function] [call site] 00209
5 vfprintf [function] [call site] 00210
6 vfzprintf [function] [call site] 00211
7 vasnprintf [function] [call site] 00212
7 fseterr [function] [call site] 00213
7 TYPE_MAXIMUM [function] [call site] 00214
7 free [function] [call site] 00215
7 fseterr [function] [call site] 00216
7 fwrite [function] [call site] 00217
7 free [function] [call site] 00218
7 free [function] [call site] 00219
6 TYPE_MAXIMUM [function] [call site] 00220
6 fseterr [function] [call site] 00221
5 va_end [function] [call site] 00222
4 malloc [function] [call site] 00223
4 strlen [function] [call site] 00224
4 strcpy [function] [call site] 00225
3 stringprep_locale_charset [function] [call site] 00226
2 tld_check_8z [function] [call site] 00227
2 free [function] [call site] 00228
1 stringprep_utf8_nfkc_normalize [function] [call site] 00229
2 strlen [function] [call site] 00230
2 u8_check [function] [call site] 00231
2 g_utf8_normalize [function] [call site] 00232
3 _g_utf8_normalize_wc [function] [call site] 00233
3 g_ucs4_to_utf8 [function] [call site] 00234
3 g_free [function] [call site] 00235
1 idn_free [function] [call site] 00236
1 stringprep_utf8_to_unichar [function] [call site] 00237
2 g_utf8_get_char [function] [call site] 00238
1 stringprep_unichar_to_utf8 [function] [call site] 00239
2 g_unichar_to_utf8 [function] [call site] 00240
1 memcpy [function] [call site] 00241
1 stringprep [function] [call site] 00242
1 memcpy [function] [call site] 00243
1 stringprep [function] [call site] 00244
1 malloc [function] [call site] 00245
1 assert [function] [call site] 00246
1 memcpy [function] [call site] 00247
1 stringprep_4zi [function] [call site] 00248
2 stringprep_4zi_1 [function] [call site] 00249
3 stringprep_4i [function] [call site] 00250
1 memcpy [function] [call site] 00251
1 tld_get_4z [function] [call site] 00252
2 tld_get_4 [function] [call site] 00253
1 idn_free [function] [call site] 00254
1 tld_check_4tz [function] [call site] 00255
2 tld_check_4t [function] [call site] 00256
1 tld_check_4z [function] [call site] 00257
2 tld_check_4 [function] [call site] 00258
1 free [function] [call site] 00259
1 free [function] [call site] 00260
1 free [function] [call site] 00261
1 free [function] [call site] 00262