Fuzz introspector: libidn/fuzz/libidn_toascii_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
144 0 EP call site: 00000 idna_to_ascii_lz

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 malloc [function] [call site] 00001
1 assert [function] [call site] 00002
1 malloc [function] [call site] 00003
1 malloc [function] [call site] 00004
1 assert [function] [call site] 00005
1 assert [function] [call site] 00006
1 memcpy [function] [call site] 00007
1 idna_to_ascii_4i [function] [call site] 00008
2 malloc [function] [call site] 00009
2 memcpy [function] [call site] 00010
2 stringprep_ucs4_to_utf8 [function] [call site] 00011
3 g_ucs4_to_utf8 [function] [call site] 00012
4 UTF8_LENGTH [function] [call site] 00013
4 g_malloc [function] [call site] 00014
4 g_unichar_to_utf8 [function] [call site] 00015
2 strlen [function] [call site] 00016
2 realloc [function] [call site] 00017
2 free [function] [call site] 00018
2 stringprep_nameprep [function] [call site] 00019
2 stringprep_nameprep_no_unassigned [function] [call site] 00020
2 free [function] [call site] 00021
2 stringprep_utf8_to_ucs4 [function] [call site] 00022
3 strlen [function] [call site] 00023
3 u8_check [function] [call site] 00024
3 g_utf8_to_ucs4_fast [function] [call site] 00025
4 g_return_val_if_fail [function] [call site] 00026
4 g_utf8_next_char [function] [call site] 00027
4 g_utf8_next_char [function] [call site] 00028
4 g_malloc [function] [call site] 00029
4 G_UNLIKELY [function] [call site] 00030
2 free [function] [call site] 00031
2 free [function] [call site] 00032
2 free [function] [call site] 00033
2 free [function] [call site] 00034
2 strlen [function] [call site] 00035
2 free [function] [call site] 00036
2 strlen [function] [call site] 00037
2 punycode_encode [function] [call site] 00038
3 encode_digit [function] [call site] 00039
3 encode_digit [function] [call site] 00040
3 adapt [function] [call site] 00041
2 strlen [function] [call site] 00042
2 free [function] [call site] 00043
2 strlen [function] [call site] 00044
2 memcpy [function] [call site] 00045
2 strlen [function] [call site] 00046
2 free [function] [call site] 00047
2 strlen [function] [call site] 00048
1 idna_to_ascii_4i [function] [call site] 00049
1 free [function] [call site] 00050
1 idna_to_ascii_4z [function] [call site] 00051
2 malloc [function] [call site] 00052
2 strcpy [function] [call site] 00053
3 log_err [function] [call site] 00054
3 u_errorName [function] [call site] 00055
2 DOTP [function] [call site] 00056
2 malloc [function] [call site] 00057
2 strcpy [function] [call site] 00058
2 DOTP [function] [call site] 00059
2 idna_to_ascii_4i [function] [call site] 00060
2 free [function] [call site] 00061
2 strlen [function] [call site] 00062
2 strlen [function] [call site] 00063
2 realloc [function] [call site] 00064
2 free [function] [call site] 00065
2 strcat [function] [call site] 00066
2 strcat [function] [call site] 00067
2 strdup [function] [call site] 00068
1 idn_free [function] [call site] 00069
2 free [function] [call site] 00070
1 idna_to_ascii_4z [function] [call site] 00071
1 idn_free [function] [call site] 00072
1 free [function] [call site] 00073
1 memcpy [function] [call site] 00074
1 idna_to_ascii_8z [function] [call site] 00075
2 stringprep_utf8_to_ucs4 [function] [call site] 00076
2 idna_to_ascii_4z [function] [call site] 00077
2 free [function] [call site] 00078
1 idn_free [function] [call site] 00079
1 idna_to_ascii_8z [function] [call site] 00080
1 idn_free [function] [call site] 00081
1 idna_to_ascii_lz [function] [call site] 00082
2 stringprep_locale_to_utf8 [function] [call site] 00083
3 stringprep_convert [function] [call site] 00084
4 str_iconv [function] [call site] 00085
5 c_strcasecmp [function] [call site] 00086
6 c_tolower [function] [call site] 00087
6 c_tolower [function] [call site] 00088
6 _GL_CMP [function] [call site] 00089
5 strdup [function] [call site] 00090
5 iconv_open [function] [call site] 00091
5 str_cd_iconv [function] [call site] 00092
6 mem_cd_iconv [function] [call site] 00093
7 iconv [function] [call site] 00094
7 iconv [function] [call site] 00095
7 iconv [function] [call site] 00096
7 malloc [function] [call site] 00097
7 iconv [function] [call site] 00098
7 iconv [function] [call site] 00099
7 iconv [function] [call site] 00100
7 abort [function] [call site] 00101
7 free [function] [call site] 00102
6 strlen [function] [call site] 00103
6 abort [function] [call site] 00104
6 realloc [function] [call site] 00105
6 malloc [function] [call site] 00106
6 free [function] [call site] 00107
6 strlen [function] [call site] 00108
6 malloc [function] [call site] 00109
6 iconv [function] [call site] 00110
6 iconv [function] [call site] 00111
6 realloc [function] [call site] 00112
6 iconv [function] [call site] 00113
6 realloc [function] [call site] 00114
6 realloc [function] [call site] 00115
6 free [function] [call site] 00116
5 iconv_close [function] [call site] 00117
5 iconv_close [function] [call site] 00118
5 free [function] [call site] 00119
4 fprintf [function] [call site] 00120
5 va_start [function] [call site] 00121
5 vfprintf [function] [call site] 00122
6 vfzprintf [function] [call site] 00123
7 vasnprintf [function] [call site] 00124
7 fseterr [function] [call site] 00125
7 TYPE_MAXIMUM [function] [call site] 00126
7 free [function] [call site] 00127
7 fseterr [function] [call site] 00128
7 fwrite [function] [call site] 00129
7 free [function] [call site] 00130
7 free [function] [call site] 00131
6 TYPE_MAXIMUM [function] [call site] 00132
6 fseterr [function] [call site] 00133
5 va_end [function] [call site] 00134
4 malloc [function] [call site] 00135
4 strlen [function] [call site] 00136
4 strcpy [function] [call site] 00137
3 stringprep_locale_charset [function] [call site] 00138
2 idna_to_ascii_8z [function] [call site] 00139
2 free [function] [call site] 00140
1 idn_free [function] [call site] 00141
1 idna_to_ascii_lz [function] [call site] 00142
1 idn_free [function] [call site] 00143
1 free [function] [call site] 00144