Fuzz introspector: libpsl_idn_load_dafsa_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
22 13 psl_load_fp call site: 00013 add_punycode_if_needed
10 121 idna_to_ascii_8z call site: 00121 psl_free
7 158 is_public_suffix call site: 00158 vector_find
4 101 idna_to_ascii_4i call site: 00101 rpl_free
4 176 psl_latest call site: 00176 psl_load_file
3 88 stringprep_4i call site: 00088 stringprep_find_character_in_table
2 42 idna_to_ascii_8z call site: 00042 strcpy
2 52 rpl_free call site: 00052 stringprep
1 50 idna_to_ascii_4i call site: 00050 rpl_free
1 58 stringprep call site: 00058 rpl_free
1 64 _g_utf8_normalize_wc call site: 00064 decompose_hangul
1 68 _g_utf8_normalize_wc call site: 00068 decompose_hangul

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 __assert_fail [call site] 00001
1 fmemopen [call site] 00002
1 __assert_fail [call site] 00003
1 psl_load_fp [function] [call site] 00004
2 calloc [call site] 00005
2 fgets [call site] 00006
2 strlen [call site] 00007
2 strncmp [call site] 00008
2 atoi [call site] 00009
2 fread [call site] 00010
2 realloc [call site] 00011
2 realloc [call site] 00012
2 GetUtfMode [function] [call site] 00013
2 psl_idna_open [function] [call site] 00014
2 vector_alloc [function] [call site] 00015
3 calloc [call site] 00016
2 suffix_compare_array [function] [call site] 00017
3 suffix_compare [function] [call site] 00018
4 strncmp [call site] 00019
2 psl_idna_close [function] [call site] 00020
2 isspace_ascii [function] [call site] 00021
2 strstr [call site] 00022
2 strstr [call site] 00023
2 strstr [call site] 00024
2 strstr [call site] 00025
2 isspace_ascii [function] [call site] 00026
2 suffix_init [function] [call site] 00027
2 vector_find [function] [call site] 00028
2 vector_get [function] [call site] 00029
2 vector_add [function] [call site] 00030
3 realloc [call site] 00031
2 vector_get [function] [call site] 00032
2 add_punycode_if_needed [function] [call site] 00033
3 str_is_ascii [function] [call site] 00034
3 psl_idna_toASCII [function] [call site] 00035
4 utf8_is_valid [function] [call site] 00036
4 idna_to_ascii_8z [function] [call site] 00037
5 stringprep_utf8_to_ucs4 [function] [call site] 00038
6 strlen [call site] 00039
6 g_utf8_to_ucs4_fast [function] [call site] 00041
5 idna_to_ascii_4z [function] [call site] 00042
6 strcpy [call site] 00043
6 strcpy [call site] 00044
6 idna_to_ascii_4i [function] [call site] 00045
7 stringprep_ucs4_to_utf8 [function] [call site] 00046
8 g_ucs4_to_utf8 [function] [call site] 00047
9 g_unichar_to_utf8 [function] [call site] 00048
7 strlen [call site] 00049
7 realloc [call site] 00050
7 rpl_free [function] [call site] 00051
8 __errno_location [call site] 00052
8 __errno_location [call site] 00053
7 stringprep [function] [call site] 00054
8 strlen [call site] 00055
8 stringprep_utf8_to_ucs4 [function] [call site] 00057
8 realloc [call site] 00058
8 stringprep_4i [function] [call site] 00060
9 stringprep_ucs4_nfkc_normalize [function] [call site] 00061
10 stringprep_ucs4_to_utf8 [function] [call site] 00062
10 _g_utf8_normalize_wc [function] [call site] 00063
11 g_utf8_get_char [function] [call site] 00064
11 decompose_hangul [function] [call site] 00065
11 find_decomposition [function] [call site] 00066
11 g_utf8_strlen [function] [call site] 00067
11 g_utf8_get_char [function] [call site] 00068
11 decompose_hangul [function] [call site] 00069
11 find_decomposition [function] [call site] 00070
11 g_utf8_get_char [function] [call site] 00071
11 g_unicode_canonical_ordering [function] [call site] 00072
11 g_unicode_canonical_ordering [function] [call site] 00073
11 combine [function] [call site] 00074
12 combine_hangul [function] [call site] 00075
10 rpl_free [function] [call site] 00076
9 stringprep_find_string_in_table [function] [call site] 00079
10 stringprep_find_character_in_table [function] [call site] 00080
11 bsearch [call site] 00081
11 _compare_table_element [function] [call site] 00082
9 stringprep_find_string_in_table [function] [call site] 00083
9 stringprep_apply_table_to_string [function] [call site] 00084
10 stringprep_find_string_in_table [function] [call site] 00085
9 stringprep_find_string_in_table [function] [call site] 00086
9 stringprep_find_string_in_table [function] [call site] 00087
9 stringprep_find_string_in_table [function] [call site] 00088
9 stringprep_find_character_in_table [function] [call site] 00089
9 stringprep_find_character_in_table [function] [call site] 00090
8 stringprep_ucs4_to_utf8 [function] [call site] 00092
8 strlen [call site] 00094
8 strcpy [call site] 00096
7 stringprep [function] [call site] 00098
7 stringprep_utf8_to_ucs4 [function] [call site] 00100
7 punycode_encode [function] [call site] 00106
8 encode_basic [function] [call site] 00107
8 encode_digit [function] [call site] 00108
8 encode_digit [function] [call site] 00109
7 strlen [call site] 00113
6 strlen [call site] 00115
6 realloc [call site] 00116
6 strcat [call site] 00118
6 strcat [call site] 00119
6 strdup [call site] 00120
3 strcmp [call site] 00122
3 strlen [call site] 00123
3 suffix_init [function] [call site] 00124
3 vector_add [function] [call site] 00125
3 vector_get [function] [call site] 00126
2 fgets [call site] 00127
2 vector_sort [function] [call site] 00128
3 qsort [call site] 00129
2 psl_idna_close [function] [call site] 00130
2 psl_free [function] [call site] 00131
3 vector_free [function] [call site] 00132
1 psl_is_public_suffix [function] [call site] 00133
2 is_public_suffix [function] [call site] 00134
3 strlen [call site] 00135
3 psl_idna_open [function] [call site] 00136
3 psl_idna_toASCII [function] [call site] 00137
3 strlen [call site] 00138
3 psl_idna_close [function] [call site] 00139
3 LookupStringInFixedSet [function] [call site] 00140
4 GetNextOffset [function] [call site] 00141
4 IsMatch [function] [call site] 00143
5 IsMatchUnchecked [function] [call site] 00144
6 GetMultibyteLength [function] [call site] 00145
4 NextPos [function] [call site] 00146
5 GetMultibyteLength [function] [call site] 00147
5 GetMultibyteLength [function] [call site] 00148
4 GetReturnValue [function] [call site] 00152
4 IsEndCharMatch [function] [call site] 00153
5 IsMatchUnchecked [function] [call site] 00154
3 strchr [call site] 00156
3 strlen [call site] 00157
3 LookupStringInFixedSet [function] [call site] 00158
3 vector_get [function] [call site] 00159
3 vector_find [function] [call site] 00160
3 vector_get [function] [call site] 00161
3 strchr [call site] 00162
3 strlen [call site] 00163
3 vector_find [function] [call site] 00164
3 vector_get [function] [call site] 00165
1 psl_is_public_suffix [function] [call site] 00166
1 psl_suffix_wildcard_count [function] [call site] 00167
1 psl_suffix_exception_count [function] [call site] 00168
1 psl_suffix_count [function] [call site] 00169
1 fclose [call site] 00171
1 psl_latest [function] [call site] 00172
2 insert_file [function] [call site] 00173
3 stat [call site] 00174
2 insert_file [function] [call site] 00175
2 insert_file [function] [call site] 00176
2 psl_load_file [function] [call site] 00177
3 fopen [call site] 00178
3 psl_load_fp [function] [call site] 00179
3 fclose [call site] 00180
2 psl_builtin [function] [call site] 00181