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
47	47	3 : View List ['__errno_location', 'strerror', 'readstat_error_message']	47	61	readstat_parse_sas7bdat	call site: 00202	/src/readstat/src/sas/readstat_sas7bdat_read.c:1299
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	51	860	readstat_parse_sas7bdat	call site: 00051	/src/readstat/src/sas/readstat_sas7bdat_read.c:1188
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00051	/src/readstat/src/sas/readstat_sas7bdat_read.c:1191
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00051	/src/readstat/src/sas/readstat_sas7bdat_read.c:1196
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00052	/src/readstat/src/sas/readstat_sas7bdat_read.c:1205
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00076	/src/readstat/src/sas/readstat_sas7bdat_read.c:1234
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00149	/src/readstat/src/sas/readstat_sas7bdat_read.c:1261
0	0	None	47	61	readstat_parse_sas7bdat	call site: 00200	/src/readstat/src/sas/readstat_sas7bdat_read.c:1281
0	0	None	0	55	sas7bdat_submit_columns	call site: 00170	/src/readstat/src/sas/readstat_sas7bdat_read.c:785
0	0	None	0	39	sas7bdat_parse_single_row	call site: 00181	/src/readstat/src/sas/readstat_sas7bdat_read.c:471
0	0	None	0	10	sas7bdat_handle_data_value	call site: 00184	/src/readstat/src/sas/readstat_sas7bdat_read.c:419

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_sas7bdat

[function] [call site] 00049


             calloc

[call site] 00050


             calloc

[call site] 00051


             snprintf

[call site] 00052


             snprintf

[call site] 00053


             sas_read_header

[function] [call site] 00054


               sas_epoch

[function] [call site] 00055


               memcmp

[call site] 00056


               memcmp

[call site] 00057


               machine_is_little_endian

[function] [call site] 00058


               machine_is_little_endian

[function] [call site] 00059


               snprintf

[call site] 00060


               byteswap_double

[function] [call site] 00061


                 byteswap8

[function] [call site] 00062


               byteswap_double

[function] [call site] 00063


               byteswap_double

[function] [call site] 00064


               byteswap_double

[function] [call site] 00065


               sas_convert_time

[function] [call site] 00066


               sas_convert_time

[function] [call site] 00067


               byteswap4

[function] [call site] 00068


               byteswap4

[function] [call site] 00069


               byteswap8

[function] [call site] 00070


               byteswap4

[function] [call site] 00071


               snprintf

[call site] 00072


               __isoc99_sscanf

[call site] 00073


               snprintf

[call site] 00074


             machine_is_little_endian

[function] [call site] 00075


             readstat_malloc

[function] [call site] 00076


             strcmp

[call site] 00077


             iconv_open

[call site] 00078


             readstat_convert

[function] [call site] 00079


               iconv

[call site] 00080


               __errno_location

[call site] 00081


               __errno_location

[call site] 00082


               __errno_location

[call site] 00083


             sas7bdat_parse_meta_pages_pass1

[function] [call site] 00084


               snprintf

[call site] 00085


               sas_read2

[function] [call site] 00086


                 byteswap2

[function] [call site] 00087


               sas7bdat_parse_page_pass1

[function] [call site] 00088


                 sas_read2

[function] [call site] 00089


                 sas7bdat_parse_subheader_pointer

[function] [call site] 00090


                   sas_read8

[function] [call site] 00091


                     byteswap8

[function] [call site] 00092


                   sas_read8

[function] [call site] 00093


                   sas_read4

[function] [call site] 00094


                     byteswap4

[function] [call site] 00095


                   sas_read4

[function] [call site] 00096


                 sas7bdat_validate_subheader_pointer

[function] [call site] 00097


                 sas_read4

[function] [call site] 00098


                 sas_read4

[function] [call site] 00099


                 sas7bdat_parse_subheader

[function] [call site] 00100


                   sas7bdat_parse_row_size_subheader

[function] [call site] 00101


                     sas_read8

[function] [call site] 00102


                     sas_read8

[function] [call site] 00103


                     sas_read8

[function] [call site] 00104


                     sas_read4

[function] [call site] 00105


                     sas_read4

[function] [call site] 00106


                     sas_read4

[function] [call site] 00107


                     sas7bdat_parse_text_ref

[function] [call site] 00108


                       sas_read2

[function] [call site] 00109


                       sas_read2

[function] [call site] 00110


                       sas_read2

[function] [call site] 00111


                     sas7bdat_copy_text_ref

[function] [call site] 00112


                       readstat_convert

[function] [call site] 00113


                     sas7bdat_parse_text_ref

[function] [call site] 00114


                     sas7bdat_copy_text_ref

[function] [call site] 00115


                     memcmp

[call site] 00116


                     readstat_realloc

[function] [call site] 00117


                       realloc

[call site] 00118


                   sas7bdat_parse_column_size_subheader

[function] [call site] 00119


                     sas_read8

[function] [call site] 00120


                     sas_read4

[function] [call site] 00121


                     sas7bdat_realloc_col_info

[function] [call site] 00122


                       readstat_realloc

[function] [call site] 00123


                   sas7bdat_parse_column_text_subheader

[function] [call site] 00124


                     sas_read2

[function] [call site] 00125


                     sas_subheader_remainder

[function] [call site] 00126


                     readstat_realloc

[function] [call site] 00127


                     readstat_realloc

[function] [call site] 00128


                     readstat_malloc

[function] [call site] 00129


                   sas7bdat_parse_column_name_subheader

[function] [call site] 00130


                     sas_read2

[function] [call site] 00131


                     sas_subheader_remainder

[function] [call site] 00132


                     sas7bdat_realloc_col_info

[function] [call site] 00133


                     sas7bdat_parse_text_ref

[function] [call site] 00134


                   sas7bdat_parse_column_attributes_subheader

[function] [call site] 00135


                     sas_read2

[function] [call site] 00136


                     sas_subheader_remainder

[function] [call site] 00137


                     sas7bdat_realloc_col_info

[function] [call site] 00138


                     sas_read8

[function] [call site] 00139


                     sas_read4

[function] [call site] 00140


                     sas_read4

[function] [call site] 00141


                   sas7bdat_parse_column_format_subheader

[function] [call site] 00142


                     sas7bdat_realloc_col_info

[function] [call site] 00143


                     sas_read2

[function] [call site] 00144


                     sas_read2

[function] [call site] 00145


                     sas7bdat_parse_text_ref

[function] [call site] 00146


                     sas7bdat_parse_text_ref

[function] [call site] 00147


               snprintf

[call site] 00148


             sas7bdat_parse_amd_pages_pass1

[function] [call site] 00149


               snprintf

[call site] 00150


               sas_read2

[function] [call site] 00151


               sas7bdat_parse_page_pass1

[function] [call site] 00152


               snprintf

[call site] 00153


             snprintf

[call site] 00154


             sas7bdat_parse_all_pages_pass2

[function] [call site] 00155


               sas7bdat_update_progress

[function] [call site] 00156


               sas7bdat_parse_page_pass2

[function] [call site] 00157


                 sas_read2

[function] [call site] 00158


                 sas_read2

[function] [call site] 00159


                 sas_read2

[function] [call site] 00160


                 sas7bdat_parse_subheader_pointer

[function] [call site] 00161


                 sas7bdat_validate_subheader_pointer

[function] [call site] 00162


                 sas_read4

[function] [call site] 00163


                 sas_read4

[function] [call site] 00164


                 sas7bdat_signature_is_recognized

[function] [call site] 00165


                 sas7bdat_submit_columns_if_needed

[function] [call site] 00166


                   sas7bdat_submit_columns

[function] [call site] 00167


                     readstat_calloc

[function] [call site] 00168


                       calloc

[call site] 00169


                     sas7bdat_init_variable

[function] [call site] 00170


                       readstat_calloc

[function] [call site] 00171


                       sas7bdat_validate_column

[function] [call site] 00172


                       sas7bdat_copy_text_ref

[function] [call site] 00173


                       sas7bdat_copy_text_ref

[function] [call site] 00174


                       strlen

[call site] 00175


                       snprintf

[call site] 00176


                       snprintf

[call site] 00177


                       sas7bdat_copy_text_ref

[function] [call site] 00178


                       snprintf

[call site] 00179


                 sas7bdat_parse_single_row

[function] [call site] 00180


                   readstat_realloc

[function] [call site] 00181


                   sas7bdat_handle_data_value

[function] [call site] 00182


                     readstat_convert

[function] [call site] 00183


                     snprintf

[call site] 00184


                     sas_assign_tag

[function] [call site] 00185


                       sas_validate_tag

[function] [call site] 00186


                 sas7bdat_parse_subheader

[function] [call site] 00187


                 sas7bdat_submit_columns_if_needed

[function] [call site] 00188


                 sas7bdat_parse_subheader_compressed

[function] [call site] 00189


                   sas7bdat_parse_subheader_rdc

[function] [call site] 00190


                     sas7bdat_parse_single_row

[function] [call site] 00191


                   sas7bdat_parse_subheader_rle

[function] [call site] 00192


                     sas_rle_decompress

[function] [call site] 00193


                     snprintf

[call site] 00194


                     sas7bdat_parse_single_row

[function] [call site] 00195


                 sas7bdat_submit_columns_if_needed

[function] [call site] 00196


                 sas7bdat_parse_rows

[function] [call site] 00197


                   sas7bdat_parse_single_row

[function] [call site] 00198


               snprintf

[call site] 00199


             sas7bdat_submit_columns_if_needed

[function] [call site] 00200


             snprintf

[call site] 00201


             sas7bdat_update_progress

[function] [call site] 00202


             readstat_error_message

[function] [call site] 00203


             __errno_location

[call site] 00204


             strerror

[call site] 00205


             snprintf

[call site] 00206


             sas7bdat_ctx_free

[function] [call site] 00207


               iconv_close

[call site] 00208


           readstat_parser_free

[function] [call site] 00209