Fuzz introspector: fuzz_format_por
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 58 readstat_convert call site: 00058 iconv
3 79 read_double_with_peek call site: 00079 por_base30_to_double
3 135 ck_str_hash_insert call site: 00135 ck_hash_table_grow
2 7 unistd_io_init call site: 00007 open_with_unicode
2 23 unistd_io_init call site: 00023 readstat_parser_free
1 11 unistd_io_init call site: 00011 close
1 14 unistd_io_init call site: 00014 lseek
1 17 unistd_io_init call site: 00017 read
1 20 unistd_io_init call site: 00020 lseek
1 54 readstat_parse_por call site: 00054 iconv_open
1 65 readstat_parse_por call site: 00065 snprintf
1 77 read_double_with_peek call site: 00077 snprintf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzzer_parser_init [function] [call site] 00001
2 readstat_parser_init [function] [call site] 00002
3 calloc [call site] 00003
3 calloc [call site] 00004
3 unistd_io_init [function] [call site] 00005
4 readstat_set_open_handler [function] [call site] 00006
4 unistd_open_handler [function] [call site] 00007
5 open_with_unicode [function] [call site] 00008
6 open [call site] 00009
4 readstat_set_close_handler [function] [call site] 00010
4 unistd_close_handler [function] [call site] 00011
5 close [call site] 00012
4 readstat_set_seek_handler [function] [call site] 00013
4 unistd_seek_handler [function] [call site] 00014
5 lseek [call site] 00015
4 readstat_set_read_handler [function] [call site] 00016
4 unistd_read_handler [function] [call site] 00017
5 read [call site] 00018
4 readstat_set_update_handler [function] [call site] 00019
4 unistd_update_handler [function] [call site] 00020
5 lseek [call site] 00021
4 calloc [call site] 00022
4 readstat_set_io_ctx [function] [call site] 00023
3 readstat_parser_free [function] [call site] 00024
4 readstat_set_io_ctx [function] [call site] 00025
2 readstat_set_open_handler [function] [call site] 00026
2 rt_open_handler [function] [call site] 00027
2 readstat_set_close_handler [function] [call site] 00028
2 rt_close_handler [function] [call site] 00029
2 readstat_set_seek_handler [function] [call site] 00030
2 rt_seek_handler [function] [call site] 00031
2 readstat_set_read_handler [function] [call site] 00032
2 rt_read_handler [function] [call site] 00033
2 readstat_set_update_handler [function] [call site] 00034
2 rt_update_handler [function] [call site] 00035
2 readstat_set_metadata_handler [function] [call site] 00036
2 handle_metadata [function] [call site] 00037
2 readstat_set_note_handler [function] [call site] 00038
2 handle_note [function] [call site] 00039
2 readstat_set_variable_handler [function] [call site] 00040
2 handle_variable [function] [call site] 00041
2 readstat_set_fweight_handler [function] [call site] 00042
2 handle_fweight [function] [call site] 00043
2 readstat_set_value_handler [function] [call site] 00044
2 handle_value [function] [call site] 00045
2 readstat_set_value_label_handler [function] [call site] 00046
2 handle_value_label [function] [call site] 00047
1 readstat_set_io_ctx [function] [call site] 00048
1 readstat_parse_por [function] [call site] 00049
2 por_ctx_init [function] [call site] 00050
3 calloc [call site] 00051
3 ck_hash_table_init [function] [call site] 00052
4 ck_hash_table_wipe [function] [call site] 00053
2 strcmp [call site] 00054
2 iconv_open [call site] 00055
2 read_bytes [function] [call site] 00056
2 readstat_convert [function] [call site] 00057
3 readstat_convert_impl [function] [call site] 00058
4 iconv [call site] 00059
4 __errno_location [call site] 00060
4 __errno_location [call site] 00061
4 __errno_location [call site] 00062
2 read_bytes [function] [call site] 00063
2 read_bytes [function] [call site] 00064
2 por_utf8_encode [function] [call site] 00065
2 snprintf [call site] 00066
2 strncmp [call site] 00067
2 read_version_and_timestamp [function] [call site] 00068
3 read_bytes [function] [call site] 00069
3 read_string [function] [call site] 00070
4 maybe_read_string [function] [call site] 00071
5 maybe_read_double [function] [call site] 00072
6 read_bytes [function] [call site] 00073
6 read_double_with_peek [function] [call site] 00074
7 read_bytes [function] [call site] 00075
7 read_bytes [function] [call site] 00076
7 por_utf8_encode [function] [call site] 00077
7 snprintf [call site] 00078
7 readstat_por_parse_double [function] [call site] 00079
8 por_base30_digit_value [function] [call site] 00080
8 por_base30_digit_value [function] [call site] 00081
8 por_base30_to_double [function] [call site] 00082
9 pow [call site] 00083
9 pow [call site] 00084
9 frexp [call site] 00085
9 ldexp [call site] 00086
9 ldexp [call site] 00087
9 por_compare_with_binary [function] [call site] 00088
10 por_big_set [function] [call site] 00089
10 por_big_mul_add [function] [call site] 00090
10 por_big_mul_add [function] [call site] 00091
10 por_big_set [function] [call site] 00092
10 por_big_mul_pow [function] [call site] 00093
11 por_big_mul_add [function] [call site] 00094
11 por_big_mul_add [function] [call site] 00095
10 por_big_mul_pow [function] [call site] 00096
10 por_big_mul_pow [function] [call site] 00097
10 por_big_mul_pow [function] [call site] 00098
10 por_big_compare [function] [call site] 00099
9 nextafter [call site] 00100
9 nextafter [call site] 00101
9 por_compare_with_binary [function] [call site] 00102
9 nextafter [call site] 00103
9 nextafter [call site] 00104
8 snprintf [call site] 00105
7 snprintf [call site] 00106
5 realloc [call site] 00107
5 read_bytes [function] [call site] 00108
5 por_utf8_encode [function] [call site] 00109
5 snprintf [call site] 00110
3 __isoc99_sscanf [call site] 00111
3 read_string [function] [call site] 00112
3 __isoc99_sscanf [call site] 00113
3 mktime [call site] 00114
2 read_string [function] [call site] 00117
2 read_variable_count_record [function] [call site] 00118
3 read_integer_in_range [function] [call site] 00119
4 read_double [function] [call site] 00120
5 read_bytes [function] [call site] 00121
5 read_double_with_peek [function] [call site] 00122
3 readstat_calloc [function] [call site] 00123
4 calloc [call site] 00124
3 readstat_calloc [function] [call site] 00125
2 read_precision_record [function] [call site] 00126
3 read_integer_in_range [function] [call site] 00127
2 read_case_weight_record [function] [call site] 00128
3 read_string [function] [call site] 00129
2 read_variable_record [function] [call site] 00130
3 read_integer_in_range [function] [call site] 00131
3 read_string [function] [call site] 00132
3 ck_str_hash_insert [function] [call site] 00133
4 strlen [call site] 00134
4 ck_str_n_hash_insert [function] [call site] 00135
5 ck_hash_table_grow [function] [call site] 00136
6 calloc [call site] 00137
6 ck_hash_insert_nocopy [function] [call site] 00140
5 ck_hash_str [function] [call site] 00141
5 realloc [call site] 00142
5 memcmp [call site] 00143
3 read_integer_in_range [function] [call site] 00144
3 read_integer_in_range [function] [call site] 00145
3 read_integer_in_range [function] [call site] 00146
2 read_missing_value_record [function] [call site] 00147
3 read_double [function] [call site] 00148
3 read_missing_string_value [function] [call site] 00149
4 read_converted_string [function] [call site] 00150
5 read_string [function] [call site] 00151
5 strlen [call site] 00152
5 readstat_convert [function] [call site] 00153
2 read_missing_value_range_record [function] [call site] 00154
3 read_double [function] [call site] 00155
3 read_double [function] [call site] 00156
3 read_missing_string_value [function] [call site] 00157
3 read_missing_string_value [function] [call site] 00158
2 read_missing_value_lo_range_record [function] [call site] 00159
3 read_double [function] [call site] 00160
3 read_missing_string_value [function] [call site] 00161
2 read_missing_value_hi_range_record [function] [call site] 00162
3 read_double [function] [call site] 00163
3 read_missing_string_value [function] [call site] 00164
2 read_variable_label_record [function] [call site] 00165
3 read_string [function] [call site] 00166
3 strlen [call site] 00167
3 realloc [call site] 00168
3 strlen [call site] 00169
3 readstat_convert [function] [call site] 00170
2 read_value_label_record [function] [call site] 00171
3 snprintf [call site] 00172
3 read_integer_in_range [function] [call site] 00173
3 read_string [function] [call site] 00174
3 ck_str_hash_lookup [function] [call site] 00175
4 strlen [call site] 00176
4 ck_str_n_hash_lookup [function] [call site] 00177
5 ck_hash_str [function] [call site] 00178
5 memcmp [call site] 00179
3 read_integer_in_range [function] [call site] 00180
3 read_converted_string [function] [call site] 00181
3 read_converted_string [function] [call site] 00182
3 read_double [function] [call site] 00183
3 read_converted_string [function] [call site] 00184
2 read_document_record [function] [call site] 00185
3 read_integer_in_range [function] [call site] 00186
3 read_converted_string [function] [call site] 00187
2 handle_variables [function] [call site] 00188
3 spss_init_variable_for_info [function] [call site] 00189
4 calloc [call site] 00190
4 readstat_convert [function] [call site] 00191
4 readstat_convert [function] [call site] 00192
4 snprintf [call site] 00193
4 spss_format [function] [call site] 00194
5 snprintf [call site] 00195
5 snprintf [call site] 00196
5 snprintf [call site] 00197
4 spss_missingness_for_info [function] [call site] 00198
5 spss_boxed_missing_value [function] [call site] 00199
6 spss_boxed_double_value [function] [call site] 00200
6 spss_boxed_string_value [function] [call site] 00201
5 spss_boxed_missing_value [function] [call site] 00202
5 spss_boxed_missing_value [function] [call site] 00203
5 spss_boxed_missing_value [function] [call site] 00204
3 snprintf [call site] 00205
3 strcmp [call site] 00206
2 read_por_file_data [function] [call site] 00207
3 maybe_read_string [function] [call site] 00208
3 snprintf [call site] 00209
3 strlen [call site] 00210
3 readstat_convert [function] [call site] 00211
3 maybe_read_double [function] [call site] 00212
3 snprintf [call site] 00213
3 por_update_progress [function] [call site] 00214
2 por_ctx_free [function] [call site] 00215
3 ck_hash_table_free [function] [call site] 00216
3 iconv_close [call site] 00217
1 readstat_parser_free [function] [call site] 00218