Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
46	46	1 : View List ['ck_hash_table_grow']	50	82	ck_str_n_hash_insert	call site: 00109	/src/readstat/src/CKHashTable.c:217
8	8	2 : View List ['iconv', '__errno_location']	8	8	readstat_convert	call site: 00057	/src/readstat/src/readstat_convert.c:15
2	2	1 : View List ['iconv_open']	4	1815	readstat_parse_por	call site: 00054	/src/readstat/src/spss/readstat_por_read.c:764
0	7	1 : View List ['readstat_parser_free']	0	7	readstat_parser_init	call site: 00005	/src/readstat/src/readstat_parser.c:9
0	0	None	6	1817	readstat_parse_por	call site: 00050	/src/readstat/src/spss/readstat_por_read.c:760
0	0	None	2	193	read_por_file_data	call site: 00182	/src/readstat/src/spss/readstat_por_read.c:647
0	0	None	2	49	handle_variables	call site: 00174	/src/readstat/src/spss/readstat_por_read.c:725
0	0	None	0	55	spss_init_variable_for_info	call site: 00159	/src/readstat/src/spss/readstat_spss.c:157
0	0	None	0	39	spss_init_variable_for_info	call site: 00159	/src/readstat/src/spss/readstat_spss.c:163
0	0	None	0	16	readstat_parse_por	call site: 00055	/src/readstat/src/spss/readstat_por_read.c:767
0	0	None	0	16	readstat_parse_por	call site: 00055	/src/readstat/src/spss/readstat_por_read.c:774
0	0	None	0	16	readstat_parse_por	call site: 00055	/src/readstat/src/spss/readstat_por_read.c:779

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzzer_parser_init

[function] [call site] 00001


             readstat_parser_init

[function] [call site] 00002


               calloc

[call site] 00003


               calloc

[call site] 00004


               unistd_io_init

[function] [call site] 00005


                 readstat_set_open_handler

[function] [call site] 00006


                 unistd_open_handler

[function] [call site] 00007


                   open_with_unicode

[function] [call site] 00008


                     open

[call site] 00009


                 readstat_set_close_handler

[function] [call site] 00010


                 unistd_close_handler

[function] [call site] 00011


                   close

[call site] 00012


                 readstat_set_seek_handler

[function] [call site] 00013


                 unistd_seek_handler

[function] [call site] 00014


                   lseek

[call site] 00015


                 readstat_set_read_handler

[function] [call site] 00016


                 unistd_read_handler

[function] [call site] 00017


                   read

[call site] 00018


                 readstat_set_update_handler

[function] [call site] 00019


                 unistd_update_handler

[function] [call site] 00020


                   lseek

[call site] 00021


                 calloc

[call site] 00022


                 readstat_set_io_ctx

[function] [call site] 00023


               readstat_parser_free

[function] [call site] 00024


                 readstat_set_io_ctx

[function] [call site] 00025


             readstat_set_open_handler

[function] [call site] 00026


             rt_open_handler

[function] [call site] 00027


             readstat_set_close_handler

[function] [call site] 00028


             rt_close_handler

[function] [call site] 00029


             readstat_set_seek_handler

[function] [call site] 00030


             rt_seek_handler

[function] [call site] 00031


             readstat_set_read_handler

[function] [call site] 00032


             rt_read_handler

[function] [call site] 00033


             readstat_set_update_handler

[function] [call site] 00034


             rt_update_handler

[function] [call site] 00035


             readstat_set_metadata_handler

[function] [call site] 00036


             handle_metadata

[function] [call site] 00037


             readstat_set_note_handler

[function] [call site] 00038


             handle_note

[function] [call site] 00039


             readstat_set_variable_handler

[function] [call site] 00040


             handle_variable

[function] [call site] 00041


             readstat_set_fweight_handler

[function] [call site] 00042


             handle_fweight

[function] [call site] 00043


             readstat_set_value_handler

[function] [call site] 00044


             handle_value

[function] [call site] 00045


             readstat_set_value_label_handler

[function] [call site] 00046


             handle_value_label

[function] [call site] 00047


           readstat_set_io_ctx

[function] [call site] 00048


           readstat_parse_por

[function] [call site] 00049


             por_ctx_init

[function] [call site] 00050


               calloc

[call site] 00051


               ck_hash_table_init

[function] [call site] 00052


                 ck_hash_table_wipe

[function] [call site] 00053


             strcmp

[call site] 00054


             iconv_open

[call site] 00055


             read_bytes

[function] [call site] 00056


             readstat_convert

[function] [call site] 00057


               iconv

[call site] 00058


               __errno_location

[call site] 00059


               __errno_location

[call site] 00060


               __errno_location

[call site] 00061


             read_bytes

[function] [call site] 00062


             read_bytes

[function] [call site] 00063


             por_utf8_encode

[function] [call site] 00064


               snprintf

[call site] 00065


             snprintf

[call site] 00066


             strncmp

[call site] 00067


             read_version_and_timestamp

[function] [call site] 00068


               read_bytes

[function] [call site] 00069


               read_string

[function] [call site] 00070


                 maybe_read_string

[function] [call site] 00071


                   maybe_read_double

[function] [call site] 00072


                     read_bytes

[function] [call site] 00073


                     read_double_with_peek

[function] [call site] 00074


                       read_bytes

[function] [call site] 00075


                       read_bytes

[function] [call site] 00076


                       por_utf8_encode

[function] [call site] 00077


                       snprintf

[call site] 00078


                       readstat_por_parse_double

[function] [call site] 00079

pow

[call site] 00080


                         snprintf

[call site] 00081


                   realloc

[call site] 00082


                   read_bytes

[function] [call site] 00083


                   por_utf8_encode

[function] [call site] 00084


                   snprintf

[call site] 00085


               __isoc99_sscanf

[call site] 00086


               read_string

[function] [call site] 00087


               __isoc99_sscanf

[call site] 00088


               mktime

[call site] 00089


             read_tag

[function] [call site] 00090


               read_bytes

[function] [call site] 00091


             read_string

[function] [call site] 00092


             read_variable_count_record

[function] [call site] 00093


               read_integer_in_range

[function] [call site] 00094


                 read_double

[function] [call site] 00095


                   read_bytes

[function] [call site] 00096


                   read_double_with_peek

[function] [call site] 00097


               readstat_calloc

[function] [call site] 00098


               readstat_calloc

[function] [call site] 00099


             read_precision_record

[function] [call site] 00100


               read_integer_in_range

[function] [call site] 00101


             read_case_weight_record

[function] [call site] 00102


               read_string

[function] [call site] 00103


             read_variable_record

[function] [call site] 00104


               read_integer_in_range

[function] [call site] 00105


               read_string

[function] [call site] 00106


               ck_str_hash_insert

[function] [call site] 00107


                 strlen

[call site] 00108


                 ck_str_n_hash_insert

[function] [call site] 00109


                   ck_hash_table_grow

[function] [call site] 00110


                     calloc

[call site] 00111


                     ck_hash_str

[function] [call site] 00112


                       siphash

[function] [call site] 00113


                     ck_hash_insert_nocopy

[function] [call site] 00114


                   ck_hash_str

[function] [call site] 00115


                   realloc

[call site] 00116


                   memcmp

[call site] 00117


               read_integer_in_range

[function] [call site] 00118


               read_integer_in_range

[function] [call site] 00119


               read_integer_in_range

[function] [call site] 00120


             read_missing_value_record

[function] [call site] 00121


               read_double

[function] [call site] 00122


               read_string

[function] [call site] 00123


             read_missing_value_range_record

[function] [call site] 00124


               read_double

[function] [call site] 00125


               read_double

[function] [call site] 00126


               read_string

[function] [call site] 00127


               read_string

[function] [call site] 00128


             read_missing_value_lo_range_record

[function] [call site] 00129


               read_double

[function] [call site] 00130


               read_string

[function] [call site] 00131


             read_missing_value_hi_range_record

[function] [call site] 00132


               read_double

[function] [call site] 00133


               read_string

[function] [call site] 00134


             read_variable_label_record

[function] [call site] 00135


               read_string

[function] [call site] 00136


               strlen

[call site] 00137


               strlen

[call site] 00138


               readstat_convert

[function] [call site] 00139


             read_value_label_record

[function] [call site] 00140


               snprintf

[call site] 00141


               read_integer_in_range

[function] [call site] 00142


               read_string

[function] [call site] 00143


               ck_str_hash_lookup

[function] [call site] 00144


                 strlen

[call site] 00145


                 ck_str_n_hash_lookup

[function] [call site] 00146


                   ck_hash_str

[function] [call site] 00147


                   memcmp

[call site] 00148


               read_integer_in_range

[function] [call site] 00149


               read_string

[function] [call site] 00150


               read_string

[function] [call site] 00151


               read_double

[function] [call site] 00152


               read_string

[function] [call site] 00153


             read_document_record

[function] [call site] 00154


               read_integer_in_range

[function] [call site] 00155


               read_string

[function] [call site] 00156


             handle_variables

[function] [call site] 00157


               spss_init_variable_for_info

[function] [call site] 00158


                 calloc

[call site] 00159


                 readstat_convert

[function] [call site] 00160


                 readstat_convert

[function] [call site] 00161


                 snprintf

[call site] 00162


                 spss_format

[function] [call site] 00163


                   snprintf

[call site] 00164


                   snprintf

[call site] 00165


                   snprintf

[call site] 00166


                 spss_missingness_for_info

[function] [call site] 00167


                   spss_boxed_missing_value

[function] [call site] 00168


                     spss_boxed_double_value

[function] [call site] 00169


                     spss_boxed_string_value

[function] [call site] 00170


                   spss_boxed_missing_value

[function] [call site] 00171


                   spss_boxed_missing_value

[function] [call site] 00172


                   spss_boxed_missing_value

[function] [call site] 00173


               snprintf

[call site] 00174


               strcmp

[call site] 00175


             read_por_file_data

[function] [call site] 00176


               maybe_read_string

[function] [call site] 00177


               snprintf

[call site] 00178


               strlen

[call site] 00179


               readstat_convert

[function] [call site] 00180


               maybe_read_double

[function] [call site] 00181


               snprintf

[call site] 00182


               por_update_progress

[function] [call site] 00183


             por_ctx_free

[function] [call site] 00184


               ck_hash_table_free

[function] [call site] 00185


               iconv_close

[call site] 00186


           readstat_parser_free

[function] [call site] 00187