Fuzz introspector: libidn/fuzz/libidn_tounicode_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
190 0 EP call site: 00000 idna_to_unicode_lzlz

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 malloc [function] [call site] 00001
1 assert [function] [call site] 00002
1 memcpy [function] [call site] 00003
1 malloc [function] [call site] 00004
1 malloc [function] [call site] 00005
1 assert [function] [call site] 00006
1 memcpy [function] [call site] 00007
1 assert [function] [call site] 00008
1 idna_to_unicode_44i [function] [call site] 00009
2 stringprep_ucs4_to_utf8 [function] [call site] 00010
3 g_ucs4_to_utf8 [function] [call site] 00011
4 UTF8_LENGTH [function] [call site] 00012
4 g_malloc [function] [call site] 00013
4 g_unichar_to_utf8 [function] [call site] 00014
2 idna_to_unicode_internal [function] [call site] 00015
3 strlen [function] [call site] 00016
3 realloc [function] [call site] 00017
3 free [function] [call site] 00018
3 stringprep_nameprep [function] [call site] 00019
3 stringprep_nameprep_no_unassigned [function] [call site] 00020
3 free [function] [call site] 00021
3 c_strncasecmp [function] [call site] 00022
4 c_tolower [function] [call site] 00023
4 c_tolower [function] [call site] 00024
3 strlen [function] [call site] 00025
3 free [function] [call site] 00026
3 memmove [function] [call site] 00027
3 strlen [function] [call site] 00028
3 strlen [function] [call site] 00029
3 strlen [function] [call site] 00030
3 punycode_decode [function] [call site] 00031
4 delim [function] [call site] 00032
4 flagged [function] [call site] 00033
4 basic [function] [call site] 00034
4 decode_digit [function] [call site] 00035
4 adapt [function] [call site] 00036
4 memmove [function] [call site] 00037
4 flagged [function] [call site] 00038
4 memmove [function] [call site] 00039
3 strlen [function] [call site] 00040
3 free [function] [call site] 00041
3 idna_to_ascii_4i [function] [call site] 00042
4 malloc [function] [call site] 00043
4 memcpy [function] [call site] 00044
4 stringprep_ucs4_to_utf8 [function] [call site] 00045
4 strlen [function] [call site] 00046
4 realloc [function] [call site] 00047
4 free [function] [call site] 00048
4 stringprep_nameprep [function] [call site] 00049
4 stringprep_nameprep_no_unassigned [function] [call site] 00050
4 free [function] [call site] 00051
4 stringprep_utf8_to_ucs4 [function] [call site] 00052
5 strlen [function] [call site] 00053
5 u8_check [function] [call site] 00054
5 g_utf8_to_ucs4_fast [function] [call site] 00055
6 g_return_val_if_fail [function] [call site] 00056
6 g_utf8_next_char [function] [call site] 00057
6 g_utf8_next_char [function] [call site] 00058
6 g_malloc [function] [call site] 00059
6 G_UNLIKELY [function] [call site] 00060
4 free [function] [call site] 00061
4 free [function] [call site] 00062
4 free [function] [call site] 00063
4 free [function] [call site] 00064
4 strlen [function] [call site] 00065
4 free [function] [call site] 00066
4 strlen [function] [call site] 00067
4 punycode_encode [function] [call site] 00068
5 encode_digit [function] [call site] 00069
5 encode_digit [function] [call site] 00070
5 adapt [function] [call site] 00071
4 strlen [function] [call site] 00072
4 free [function] [call site] 00073
4 strlen [function] [call site] 00074
4 memcpy [function] [call site] 00075
4 strlen [function] [call site] 00076
4 free [function] [call site] 00077
4 strlen [function] [call site] 00078
3 free [function] [call site] 00079
3 c_strcasecmp [function] [call site] 00080
4 c_tolower [function] [call site] 00081
4 c_tolower [function] [call site] 00082
4 _GL_CMP [function] [call site] 00083
3 strlen [function] [call site] 00084
3 free [function] [call site] 00085
3 free [function] [call site] 00086
2 memcpy [function] [call site] 00087
1 idna_to_unicode_44i [function] [call site] 00088
1 free [function] [call site] 00089
1 idna_to_unicode_4z4z [function] [call site] 00090
2 DOTP [function] [call site] 00091
2 malloc [function] [call site] 00092
2 free [function] [call site] 00093
2 idna_to_unicode_44i [function] [call site] 00094
2 free [function] [call site] 00095
2 realloc [function] [call site] 00096
2 free [function] [call site] 00097
2 free [function] [call site] 00098
2 memcpy [function] [call site] 00099
2 free [function] [call site] 00100
1 idn_free [function] [call site] 00101
2 free [function] [call site] 00102
1 idna_to_unicode_4z4z [function] [call site] 00103
1 idn_free [function] [call site] 00104
1 free [function] [call site] 00105
1 idna_to_unicode_8z4z [function] [call site] 00106
2 stringprep_utf8_to_ucs4 [function] [call site] 00107
2 idna_to_unicode_4z4z [function] [call site] 00108
2 free [function] [call site] 00109
1 idn_free [function] [call site] 00110
1 idna_to_unicode_8z4z [function] [call site] 00111
1 idn_free [function] [call site] 00112
1 idna_to_unicode_8z8z [function] [call site] 00113
2 idna_to_unicode_8z4z [function] [call site] 00114
2 stringprep_ucs4_to_utf8 [function] [call site] 00115
2 free [function] [call site] 00116
1 idn_free [function] [call site] 00117
1 idna_to_unicode_8z8z [function] [call site] 00118
1 idn_free [function] [call site] 00119
1 idna_to_unicode_8zlz [function] [call site] 00120
2 idna_to_unicode_8z8z [function] [call site] 00121
2 stringprep_utf8_to_locale [function] [call site] 00122
3 stringprep_convert [function] [call site] 00123
4 str_iconv [function] [call site] 00124
5 c_strcasecmp [function] [call site] 00125
5 strdup [function] [call site] 00126
5 iconv_open [function] [call site] 00127
5 str_cd_iconv [function] [call site] 00128
6 mem_cd_iconv [function] [call site] 00129
7 iconv [function] [call site] 00130
7 iconv [function] [call site] 00131
7 iconv [function] [call site] 00132
7 malloc [function] [call site] 00133
7 iconv [function] [call site] 00134
7 iconv [function] [call site] 00135
7 iconv [function] [call site] 00136
7 abort [function] [call site] 00137
7 free [function] [call site] 00138
6 strlen [function] [call site] 00139
6 abort [function] [call site] 00140
6 realloc [function] [call site] 00141
6 malloc [function] [call site] 00142
6 free [function] [call site] 00143
6 strlen [function] [call site] 00144
6 malloc [function] [call site] 00145
6 iconv [function] [call site] 00146
6 iconv [function] [call site] 00147
6 realloc [function] [call site] 00148
6 iconv [function] [call site] 00149
6 realloc [function] [call site] 00150
6 realloc [function] [call site] 00151
6 free [function] [call site] 00152
5 iconv_close [function] [call site] 00153
5 iconv_close [function] [call site] 00154
5 free [function] [call site] 00155
4 fprintf [function] [call site] 00156
5 va_start [function] [call site] 00157
5 vfprintf [function] [call site] 00158
6 vfzprintf [function] [call site] 00159
7 vasnprintf [function] [call site] 00160
7 fseterr [function] [call site] 00161
7 TYPE_MAXIMUM [function] [call site] 00162
7 free [function] [call site] 00163
7 fseterr [function] [call site] 00164
7 fwrite [function] [call site] 00165
7 free [function] [call site] 00166
7 free [function] [call site] 00167
6 TYPE_MAXIMUM [function] [call site] 00168
6 fseterr [function] [call site] 00169
5 va_end [function] [call site] 00170
4 malloc [function] [call site] 00171
4 strlen [function] [call site] 00172
4 strcpy [function] [call site] 00173
5 log_err [function] [call site] 00174
5 u_errorName [function] [call site] 00175
3 stringprep_locale_charset [function] [call site] 00176
2 free [function] [call site] 00177
1 idn_free [function] [call site] 00178
1 idna_to_unicode_8zlz [function] [call site] 00179
1 idn_free [function] [call site] 00180
1 idna_to_unicode_lzlz [function] [call site] 00181
2 stringprep_locale_to_utf8 [function] [call site] 00182
3 stringprep_convert [function] [call site] 00183
3 stringprep_locale_charset [function] [call site] 00184
2 idna_to_unicode_8zlz [function] [call site] 00185
2 free [function] [call site] 00186
1 idn_free [function] [call site] 00187
1 idna_to_unicode_lzlz [function] [call site] 00188
1 idn_free [function] [call site] 00189
1 free [function] [call site] 00190