Fuzz introspector: fuzz_format_sav
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
12 176 build_lookup_table call site: 00176 compare_varlookups
8 189 sav_parse_records_pass2 call site: 00189 build_lookup_table
6 105 readstat_convert call site: 00105 readstat_malloc
3 92 sav_read_multiple_response_sets call site: 00092 readstat_realloc
3 171 sav_parse_records_pass2 call site: 00171 build_lookup_table
3 223 ck_str_hash_insert call site: 00223 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
2 96 readstat_realloc call site: 00096 parse_mr_line
2 99 extract_mr_data call site: 00099 readstat_convert
1 11 unistd_io_init call site: 00011 close
1 14 unistd_io_init call site: 00014 lseek

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_sav [function] [call site] 00049
2 sav_ctx_init [function] [call site] 00050
3 readstat_calloc [function] [call site] 00051
4 calloc [call site] 00052
3 memcmp [call site] 00053
3 memcmp [call site] 00054
3 sav_ctx_free [function] [call site] 00055
4 spss_varinfo_free [function] [call site] 00056
4 iconv_close [call site] 00057
3 machine_is_little_endian [function] [call site] 00058
3 byteswap4 [function] [call site] 00059
3 byteswap4 [function] [call site] 00060
3 byteswap4 [function] [call site] 00061
3 byteswap4 [function] [call site] 00062
3 byteswap_double [function] [call site] 00063
4 byteswap8 [function] [call site] 00064
3 readstat_calloc [function] [call site] 00065
3 sav_ctx_free [function] [call site] 00066
2 sav_parse_timestamp [function] [call site] 00067
3 sav_parse_time [function] [call site] 00068
4 snprintf [call site] 00069
3 sav_parse_date [function] [call site] 00070
4 snprintf [call site] 00071
3 mktime [call site] 00072
2 sav_parse_records_pass1 [function] [call site] 00073
3 byteswap4 [function] [call site] 00074
3 sav_skip_variable_record [function] [call site] 00075
4 byteswap4 [function] [call site] 00076
4 byteswap4 [function] [call site] 00077
3 sav_skip_value_label_record [function] [call site] 00078
4 byteswap4 [function] [call site] 00079
4 byteswap4 [function] [call site] 00080
4 byteswap4 [function] [call site] 00081
3 sav_skip_document_record [function] [call site] 00082
4 byteswap4 [function] [call site] 00083
3 byteswap4 [function] [call site] 00084
3 sav_parse_machine_integer_info_record [function] [call site] 00085
4 byteswap4 [function] [call site] 00086
4 snprintf [call site] 00087
4 iconv_open [call site] 00088
4 iconv_close [call site] 00089
3 sav_read_multiple_response_sets [function] [call site] 00090
4 readstat_malloc [function] [call site] 00091
4 parse_mr_string [function] [call site] 00092
5 strlen [call site] 00093
5 readstat_malloc [function] [call site] 00094
5 readstat_realloc [function] [call site] 00095
6 realloc [call site] 00096
5 parse_mr_line [function] [call site] 00097
6 extract_mr_data [function] [call site] 00098
7 strlen [call site] 00099
7 readstat_malloc [function] [call site] 00100
7 readstat_convert [function] [call site] 00101
8 iconv [call site] 00102
8 __errno_location [call site] 00103
8 __errno_location [call site] 00104
8 __errno_location [call site] 00105
7 readstat_malloc [function] [call site] 00106
7 strtol [call site] 00107
7 readstat_malloc [function] [call site] 00108
7 strtol [call site] 00109
7 readstat_malloc [function] [call site] 00110
7 strtol [call site] 00111
7 readstat_malloc [function] [call site] 00112
7 readstat_convert [function] [call site] 00113
7 readstat_malloc [function] [call site] 00114
7 readstat_convert [function] [call site] 00115
7 readstat_realloc [function] [call site] 00116
2 sav_update_progress [function] [call site] 00117
2 sav_parse_records_pass2 [function] [call site] 00118
3 readstat_malloc [function] [call site] 00119
3 byteswap4 [function] [call site] 00120
3 sav_read_variable_record [function] [call site] 00121
4 readstat_realloc [function] [call site] 00122
4 byteswap4 [function] [call site] 00123
4 byteswap4 [function] [call site] 00124
4 byteswap4 [function] [call site] 00125
4 readstat_calloc [function] [call site] 00126
4 readstat_convert [function] [call site] 00127
4 readstat_convert [function] [call site] 00128
4 sav_read_variable_label [function] [call site] 00129
5 byteswap4 [function] [call site] 00130
5 readstat_malloc [function] [call site] 00131
5 readstat_malloc [function] [call site] 00132
5 readstat_convert [function] [call site] 00133
4 byteswap4 [function] [call site] 00134
4 sav_read_variable_missing_values [function] [call site] 00135
5 sav_read_variable_missing_double_values [function] [call site] 00136
6 byteswap_double [function] [call site] 00137
5 sav_read_variable_missing_string_values [function] [call site] 00138
6 readstat_convert [function] [call site] 00139
4 spss_varinfo_free [function] [call site] 00140
3 sav_read_value_label_record [function] [call site] 00141
4 byteswap4 [function] [call site] 00142
4 readstat_calloc [function] [call site] 00143
4 readstat_malloc [function] [call site] 00144
4 readstat_convert [function] [call site] 00145
4 byteswap4 [function] [call site] 00146
4 byteswap4 [function] [call site] 00147
4 readstat_malloc [function] [call site] 00148
4 byteswap4 [function] [call site] 00149
4 bsearch [call site] 00150
4 spss_varinfo_compare [function] [call site] 00151
4 byteswap_double [function] [call site] 00152
4 sav_tag_missing_double [function] [call site] 00153
4 readstat_convert [function] [call site] 00154
4 sav_submit_value_labels [function] [call site] 00155
5 snprintf [call site] 00156
3 sav_read_document_record [function] [call site] 00157
4 sav_skip_document_record [function] [call site] 00158
4 byteswap4 [function] [call site] 00159
4 readstat_convert [function] [call site] 00160
3 sav_read_dictionary_termination_record [function] [call site] 00161
3 byteswap4 [function] [call site] 00162
3 readstat_realloc [function] [call site] 00163
3 sav_parse_machine_floating_point_record [function] [call site] 00164
4 byteswap8 [function] [call site] 00165
4 byteswap8 [function] [call site] 00166
4 byteswap8 [function] [call site] 00167
3 sav_store_variable_display_parameter_record [function] [call site] 00168
4 readstat_realloc [function] [call site] 00169
4 byteswap4 [function] [call site] 00170
3 sav_parse_long_variable_names_record [function] [call site] 00171
4 count_vars [function] [call site] 00172
5 strcmp [call site] 00173
4 build_lookup_table [function] [call site] 00174
5 readstat_malloc [function] [call site] 00175
5 strcmp [call site] 00176
5 qsort [call site] 00177
5 compare_varlookups [function] [call site] 00178
6 strcasecmp [call site] 00179
4 bsearch [call site] 00180
4 compare_key_varlookup [function] [call site] 00181
5 strcasecmp [call site] 00182
4 snprintf [call site] 00183
4 strcmp [call site] 00184
4 snprintf [call site] 00185
4 strcmp [call site] 00186
4 snprintf [call site] 00187
4 snprintf [call site] 00188
3 sav_parse_very_long_string_record [function] [call site] 00189
4 count_vars [function] [call site] 00190
4 readstat_malloc [function] [call site] 00191
4 build_lookup_table [function] [call site] 00192
4 bsearch [call site] 00193
4 compare_key_varlookup [function] [call site] 00194
4 strcmp [call site] 00195
4 strcmp [call site] 00196
4 snprintf [call site] 00197
3 sav_parse_long_string_value_labels_record [function] [call site] 00198
4 sav_read_pascal_string [function] [call site] 00199
5 byteswap4 [function] [call site] 00200
5 readstat_convert [function] [call site] 00201
4 strcmp [call site] 00202
4 snprintf [call site] 00203
4 byteswap4 [function] [call site] 00204
4 byteswap4 [function] [call site] 00205
4 readstat_realloc [function] [call site] 00206
4 readstat_convert [function] [call site] 00207
4 byteswap4 [function] [call site] 00208
4 readstat_realloc [function] [call site] 00209
4 readstat_convert [function] [call site] 00210
3 sav_parse_long_string_missing_values_record [function] [call site] 00211
4 sav_read_pascal_string [function] [call site] 00212
4 strcmp [call site] 00213
4 byteswap4 [function] [call site] 00214
4 readstat_convert [function] [call site] 00215
2 sav_set_n_segments_and_var_count [function] [call site] 00216
3 readstat_calloc [function] [call site] 00217
2 readstat_convert [function] [call site] 00218
2 ck_hash_table_init [function] [call site] 00219
3 ck_hash_table_wipe [function] [call site] 00220
2 ck_str_hash_insert [function] [call site] 00221
3 strlen [call site] 00222
3 ck_str_n_hash_insert [function] [call site] 00223
4 ck_hash_table_grow [function] [call site] 00224
5 calloc [call site] 00225
5 ck_hash_str [function] [call site] 00226
6 siphash [function] [call site] 00227
5 ck_hash_insert_nocopy [function] [call site] 00228
4 ck_hash_str [function] [call site] 00229
4 realloc [call site] 00230
4 memcmp [call site] 00231
2 strlen [call site] 00232
2 readstat_malloc [function] [call site] 00233
2 strlen [call site] 00234
2 toupper [call site] 00235
2 ck_str_hash_lookup [function] [call site] 00236
3 strlen [call site] 00237
3 ck_str_n_hash_lookup [function] [call site] 00238
4 ck_hash_str [function] [call site] 00239
4 memcmp [call site] 00240
2 strlen [call site] 00241
2 readstat_malloc [function] [call site] 00242
2 strcpy [call site] 00243
2 ck_hash_table_free [function] [call site] 00244
2 sav_parse_variable_display_parameter_record [function] [call site] 00245
3 spss_measure_to_readstat_measure [function] [call site] 00246
3 spss_alignment_to_readstat_alignment [function] [call site] 00247
2 sav_handle_variables [function] [call site] 00248
3 spss_init_variable_for_info [function] [call site] 00249
4 calloc [call site] 00250
4 readstat_convert [function] [call site] 00251
4 readstat_convert [function] [call site] 00252
4 snprintf [call site] 00253
4 spss_format [function] [call site] 00254
5 snprintf [call site] 00255
5 snprintf [call site] 00256
5 snprintf [call site] 00257
4 spss_missingness_for_info [function] [call site] 00258
5 spss_boxed_missing_value [function] [call site] 00259
6 spss_boxed_double_value [function] [call site] 00260
6 spss_boxed_string_value [function] [call site] 00261
5 spss_boxed_missing_value [function] [call site] 00262
5 spss_boxed_missing_value [function] [call site] 00263
5 spss_boxed_missing_value [function] [call site] 00264
3 snprintf [call site] 00265
2 sav_handle_fweight [function] [call site] 00266
2 sav_read_data [function] [call site] 00267
3 readstat_malloc [function] [call site] 00268
3 readstat_malloc [function] [call site] 00269
3 sav_read_compressed_data [function] [call site] 00270
4 readstat_malloc [function] [call site] 00271
4 sav_update_progress [function] [call site] 00272
4 sav_decompress_row [function] [call site] 00273
5 byteswap8 [function] [call site] 00274
5 byteswap_double [function] [call site] 00275
3 sav_process_row [function] [call site] 00276
4 strcmp [call site] 00277
4 readstat_convert [function] [call site] 00278
4 byteswap_double [function] [call site] 00279
4 sav_tag_missing_double [function] [call site] 00280
3 zsav_read_compressed_data [function] [call site] 00281
4 byteswap8 [function] [call site] 00282
4 byteswap8 [function] [call site] 00283
4 byteswap8 [function] [call site] 00284
4 byteswap8 [function] [call site] 00285
4 byteswap8 [function] [call site] 00286
4 byteswap4 [function] [call site] 00287
4 byteswap4 [function] [call site] 00288
4 readstat_malloc [function] [call site] 00289
4 byteswap8 [function] [call site] 00290
4 byteswap8 [function] [call site] 00291
4 byteswap4 [function] [call site] 00292
4 byteswap4 [function] [call site] 00293
4 readstat_malloc [function] [call site] 00294
4 readstat_realloc [function] [call site] 00295
4 readstat_realloc [function] [call site] 00296
4 uncompress [call site] 00297
4 sav_decompress_row [function] [call site] 00298
3 sav_process_row [function] [call site] 00299
3 sav_read_uncompressed_data [function] [call site] 00300
4 readstat_malloc [function] [call site] 00301
4 sav_update_progress [function] [call site] 00302
3 sav_process_row [function] [call site] 00303
2 sav_ctx_free [function] [call site] 00304
1 readstat_parser_free [function] [call site] 00305