Fuzz introspector: libidn_tounicode_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
4 122 stringprep_convert call site: 00122
2 35 punycode_decode call site: 00035 flagged
2 94 idna_to_unicode_4z4z call site: 00094
1 17 idna_to_unicode_internal call site: 00017
1 30 punycode_decode call site: 00030 flagged
1 46 idna_to_ascii_4i call site: 00046
1 56 g_utf8_to_ucs4_fast call site: 00056 g_utf8_next_char
1 90 idna_to_unicode_4z4z call site: 00090
1 99 LLVMFuzzerTestOneInput call site: 00099

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
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_unichar_to_utf8 [function] [call site] 00014
2 idna_to_unicode_internal [function] [call site] 00015
3 stringprep_nameprep [function] [call site] 00019
3 stringprep_nameprep_no_unassigned [function] [call site] 00020
3 c_strncasecmp [function] [call site] 00022
3 idna_to_ascii_4i [function] [call site] 00041
4 stringprep_ucs4_to_utf8 [function] [call site] 00044
4 stringprep_nameprep [function] [call site] 00048
4 stringprep_nameprep_no_unassigned [function] [call site] 00049
4 stringprep_utf8_to_ucs4 [function] [call site] 00051
5 g_utf8_to_ucs4_fast [function] [call site] 00054
6 g_return_val_if_fail [function] [call site] 00055
6 g_utf8_next_char [function] [call site] 00056
6 g_utf8_next_char [function] [call site] 00057
6 G_UNLIKELY [function] [call site] 00059
4 punycode_encode [function] [call site] 00067
3 c_strcasecmp [function] [call site] 00081
1 idna_to_unicode_44i [function] [call site] 00086
1 idna_to_unicode_4z4z [function] [call site] 00101
1 idna_to_unicode_8z4z [function] [call site] 00104
2 stringprep_utf8_to_ucs4 [function] [call site] 00105
2 idna_to_unicode_4z4z [function] [call site] 00106
1 idna_to_unicode_8z4z [function] [call site] 00109
1 idna_to_unicode_8z8z [function] [call site] 00111
2 idna_to_unicode_8z4z [function] [call site] 00112
2 stringprep_ucs4_to_utf8 [function] [call site] 00113
1 idna_to_unicode_8z8z [function] [call site] 00116
1 idna_to_unicode_8zlz [function] [call site] 00118
2 idna_to_unicode_8z8z [function] [call site] 00119
2 stringprep_utf8_to_locale [function] [call site] 00120
3 stringprep_locale_charset [function] [call site] 00127
1 idna_to_unicode_8zlz [function] [call site] 00130
1 idna_to_unicode_lzlz [function] [call site] 00132
2 stringprep_locale_to_utf8 [function] [call site] 00133
3 stringprep_convert [function] [call site] 00134
3 stringprep_locale_charset [function] [call site] 00135
2 idna_to_unicode_8zlz [function] [call site] 00136
1 idna_to_unicode_lzlz [function] [call site] 00139