Fuzz introspector: fuzz_format_xport
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 77 readstat_convert call site: 00077 iconv
3 175 memreverse call site: 00175 memreverse
2 7 unistd_io_init call site: 00007 open_with_unicode
2 23 unistd_io_init call site: 00023 readstat_parser_free
2 172 cnxptiee call site: 00172 ieee2xpt
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 52 readstat_parse_xport call site: 00052 iconv_open
1 169 xport_process_row call site: 00169 get_native
1 188 readstat_parse_xport call site: 00188 iconv_close

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_xport [function] [call site] 00049
2 xport_ctx_init [function] [call site] 00050
3 calloc [call site] 00051
2 strcmp [call site] 00052
2 iconv_open [call site] 00053
2 xport_read_library_record [function] [call site] 00054
3 xport_read_header_record [function] [call site] 00055
4 xport_read_record [function] [call site] 00056
5 read_bytes [function] [call site] 00057
4 __isoc99_sscanf [call site] 00058
4 strcmp [call site] 00059
4 strtol [call site] 00060
3 strcmp [call site] 00061
3 strcmp [call site] 00062
2 xport_skip_record [function] [call site] 00063
2 xport_read_timestamp_record [function] [call site] 00064
3 xport_read_record [function] [call site] 00065
3 __isoc99_sscanf [call site] 00066
3 strcmp [call site] 00067
3 mktime [call site] 00068
2 xport_expect_header_record [function] [call site] 00069
3 xport_read_header_record [function] [call site] 00070
3 strcmp [call site] 00071
3 strcmp [call site] 00072
2 xport_expect_header_record [function] [call site] 00073
2 xport_read_table_name_record [function] [call site] 00074
3 xport_read_record [function] [call site] 00075
3 readstat_convert [function] [call site] 00076
4 readstat_convert_impl [function] [call site] 00077
5 iconv [call site] 00078
5 __errno_location [call site] 00079
5 __errno_location [call site] 00080
5 __errno_location [call site] 00081
2 xport_read_file_label_record [function] [call site] 00082
3 xport_read_record [function] [call site] 00083
3 readstat_convert [function] [call site] 00084
2 xport_read_namestr_header_record [function] [call site] 00085
3 xport_read_header_record [function] [call site] 00086
3 strcmp [call site] 00087
3 strcmp [call site] 00088
3 readstat_calloc [function] [call site] 00089
4 calloc [call site] 00090
2 xport_read_variables [function] [call site] 00091
3 read_bytes [function] [call site] 00092
3 xport_namestr_bswap [function] [call site] 00093
4 machine_is_little_endian [function] [call site] 00094
4 byteswap2 [function] [call site] 00095
4 byteswap2 [function] [call site] 00096
4 byteswap2 [function] [call site] 00097
4 byteswap2 [function] [call site] 00098
4 byteswap2 [function] [call site] 00099
4 byteswap2 [function] [call site] 00100
4 byteswap2 [function] [call site] 00101
4 byteswap2 [function] [call site] 00102
4 byteswap2 [function] [call site] 00103
4 byteswap4 [function] [call site] 00104
4 byteswap2 [function] [call site] 00105
3 calloc [call site] 00106
3 readstat_convert [function] [call site] 00107
3 readstat_convert [function] [call site] 00108
3 readstat_convert [function] [call site] 00109
3 xport_construct_format [function] [call site] 00110
4 readstat_convert [function] [call site] 00111
4 snprintf [call site] 00112
4 snprintf [call site] 00113
4 snprintf [call site] 00114
3 xport_construct_format [function] [call site] 00115
3 xport_skip_rest_of_record [function] [call site] 00116
3 xport_read_obs_header_record [function] [call site] 00117
4 xport_expect_header_record [function] [call site] 00118
3 xport_read_header_record [function] [call site] 00119
3 strcmp [call site] 00120
3 strcmp [call site] 00121
3 xport_read_labels_v8 [function] [call site] 00122
4 read_bytes [function] [call site] 00123
4 machine_is_little_endian [function] [call site] 00124
4 byteswap2 [function] [call site] 00125
4 byteswap2 [function] [call site] 00126
4 byteswap2 [function] [call site] 00127
4 realloc [call site] 00128
4 realloc [call site] 00129
4 read_bytes [function] [call site] 00130
4 read_bytes [function] [call site] 00131
4 readstat_convert [function] [call site] 00132
4 readstat_convert [function] [call site] 00133
4 xport_skip_rest_of_record [function] [call site] 00134
4 xport_read_obs_header_record [function] [call site] 00135
3 strcmp [call site] 00136
3 xport_read_labels_v9 [function] [call site] 00137
4 read_bytes [function] [call site] 00138
4 machine_is_little_endian [function] [call site] 00139
4 byteswap2 [function] [call site] 00140
4 byteswap2 [function] [call site] 00141
4 byteswap2 [function] [call site] 00142
4 byteswap2 [function] [call site] 00143
4 byteswap2 [function] [call site] 00144
4 realloc [call site] 00145
4 realloc [call site] 00146
4 realloc [call site] 00147
4 realloc [call site] 00148
4 read_bytes [function] [call site] 00149
4 read_bytes [function] [call site] 00150
4 read_bytes [function] [call site] 00151
4 read_bytes [function] [call site] 00152
4 readstat_convert [function] [call site] 00153
4 readstat_convert [function] [call site] 00154
4 readstat_convert [function] [call site] 00155
4 readstat_convert [function] [call site] 00156
4 xport_skip_rest_of_record [function] [call site] 00157
4 xport_read_obs_header_record [function] [call site] 00158
2 xport_read_data [function] [call site] 00159
3 readstat_malloc [function] [call site] 00160
3 readstat_malloc [function] [call site] 00161
3 read_bytes [function] [call site] 00162
3 xport_process_row [function] [call site] 00163
4 readstat_realloc [function] [call site] 00164
5 realloc [call site] 00165
4 readstat_convert [function] [call site] 00166
4 memcmp [call site] 00167
4 sas_validate_tag [function] [call site] 00168
4 cnxptiee [function] [call site] 00169
5 get_native [function] [call site] 00170
6 memcmp [call site] 00171
5 get_native [function] [call site] 00172
5 ieee2xpt [function] [call site] 00173
6 memreverse [function] [call site] 00174
7 machine_is_little_endian [function] [call site] 00175
6 memreverse [function] [call site] 00176
6 memreverse [function] [call site] 00177
6 memreverse [function] [call site] 00178
5 xpt2ieee [function] [call site] 00179
6 memcmp [call site] 00180
6 memreverse [function] [call site] 00181
6 memreverse [function] [call site] 00182
6 memreverse [function] [call site] 00183
6 memreverse [function] [call site] 00184
3 xport_process_row [function] [call site] 00185
3 xport_update_progress [function] [call site] 00186
3 xport_process_row [function] [call site] 00187
2 xport_ctx_free [function] [call site] 00188
3 iconv_close [call site] 00189
1 readstat_parser_free [function] [call site] 00190