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
33	33	5 : View List ['__freading', 'rpl_fflush', 'fileno', 'lseek', '__errno_location']	35	35	rpl_fclose	call site: 00050	/src/wget2/lib/fclose.c:66
10	10	4 : View List ['open', 'fdopen', 'close', '__errno_location']	10	10	rpl_fopen	call site: 00019	/src/wget2/lib/fopen.c:211
6	6	2 : View List ['gettext', '__errno_location']	6	6	getline_internal	call site: 00036	/src/wget2/libwget/io.c:123
0	0	None	34	387	wget_netrc_db_load	call site: 00017	/src/wget2/libwget/netrc.c:197
0	0	None	34	355	wget_netrc_db_load	call site: 00018	/src/wget2/libwget/netrc.c:200
0	0	None	34	355	wget_netrc_db_load	call site: 00047	/src/wget2/libwget/netrc.c:235
0	0	None	14	14	getline_internal	call site: 00031	/src/wget2/libwget/io.c:67
0	0	None	12	12	getline_internal	call site: 00032	/src/wget2/libwget/io.c:72
0	0	None	2	2	wget_strcmp	call site: 00007	/src/wget2/libwget/utils.c:79
0	0	None	2	2	wget_strcmp	call site: 00007	/src/wget2/libwget/utils.c:85
0	0	None	0	47	wget_netrc_db_add	call site: 00070	/src/wget2/libwget/netrc.c:160
0	0	None	0	37	wget_netrc_db_add	call site: 00070	/src/wget2/libwget/netrc.c:163

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           wget_netrc_db_init

[function] [call site] 00001


             wget_hashmap_create

[function] [call site] 00002


               wget_malloc

[function] [call site] 00003


               wget_calloc

[function] [call site] 00004


             hash_netrc

[function] [call site] 00005


             compare_netrc

[function] [call site] 00006


               wget_strcmp

[function] [call site] 00007


                 strcmp

[call site] 00008


             wget_calloc

[function] [call site] 00009


             wget_hashmap_free

[function] [call site] 00010


               wget_hashmap_clear

[function] [call site] 00011


             wget_hashmap_set_key_destructor

[function] [call site] 00012


             wget_netrc_free

[function] [call site] 00013


               wget_netrc_deinit

[function] [call site] 00014


             wget_hashmap_set_value_destructor

[function] [call site] 00015


             wget_netrc_free

[function] [call site] 00016


           wget_netrc_db_load

[function] [call site] 00017


             rpl_fopen

[function] [call site] 00018


               strlen

[call site] 00019


               open

[call site] 00020


               fdopen

[call site] 00021


               __errno_location

[call site] 00022


               close

[call site] 00023


               __errno_location

[call site] 00024


               orig_fopen

[function] [call site] 00025


                 fopen

[function] [call site] 00026


                   dlsym

[call site] 00027


                   strcmp

[call site] 00028


                   fmemopen

[call site] 00029


             wget_getline

[function] [call site] 00030


               getline_internal

[function] [call site] 00031


                 wget_calloc

[function] [call site] 00032


                 memchr

[call site] 00033


                 memchr

[call site] 00034


                 wget_realloc

[function] [call site] 00035


                 __errno_location

[call site] 00036


                 __errno_location

[call site] 00037


                 gettext

[call site] 00038


                 __errno_location

[call site] 00039


                 wget_error_printf

[function] [call site] 00040


               read_fp

[function] [call site] 00041


                 fread

[call site] 00042


                 ferror

[call site] 00043


             __ctype_b_loc

[call site] 00044


             __ctype_b_loc

[call site] 00045


             __ctype_b_loc

[call site] 00046


             wget_strmemdup

[function] [call site] 00047


               wget_malloc

[function] [call site] 00048


             rpl_fclose

[function] [call site] 00049


               fileno

[call site] 00050


               fclose

[call site] 00051


               __freading

[call site] 00052


               fileno

[call site] 00053


               lseek

[call site] 00054


               rpl_fflush

[function] [call site] 00055


                 __freading

[call site] 00056


                 fflush

[call site] 00057


                 clear_ungetc_buffer_preserving_position

[function] [call site] 00058


                   rpl_fseeko

[function] [call site] 00059


                     fileno

[call site] 00060


                     lseek

[call site] 00061


                     fseeko

[call site] 00062


                 fflush

[call site] 00063


               __errno_location

[call site] 00064


               fclose

[call site] 00065


               __errno_location

[call site] 00066


             strcmp

[call site] 00067


             wget_memdup

[function] [call site] 00068


               wget_malloc

[function] [call site] 00069


             wget_netrc_db_add

[function] [call site] 00070


               wget_netrc_free

[function] [call site] 00071


               wget_debug_printf

[function] [call site] 00072


               wget_hashmap_put

[function] [call site] 00073


                 hashmap_find_entry

[function] [call site] 00074


                 hashmap_new_entry

[function] [call site] 00075


                   wget_malloc

[function] [call site] 00076


                   wget_calloc

[function] [call site] 00077


                   hashmap_rehash

[function] [call site] 00078


             wget_netrc_init

[function] [call site] 00079


               wget_calloc

[function] [call site] 00080


             strcmp

[call site] 00081


             wget_strdup

[function] [call site] 00082


               strlen

[call site] 00083


               wget_memdup

[function] [call site] 00084


             __ctype_b_loc

[call site] 00085


             __ctype_b_loc

[call site] 00086


             strcmp

[call site] 00087


             wget_strmemdup

[function] [call site] 00088


             strcmp

[call site] 00089


             wget_strmemdup

[function] [call site] 00090


             strcmp

[call site] 00091


             wget_strmemdup

[function] [call site] 00092


             unescape_password

[function] [call site] 00093


               wget_malloc

[function] [call site] 00094


             strcmp

[call site] 00095


             atoi

[call site] 00096


             strcmp

[call site] 00097


             wget_strncasecmp_ascii

[function] [call site] 00098


               c_strncasecmp

[function] [call site] 00099


                 c_tolower

[function] [call site] 00100


                 c_tolower

[function] [call site] 00101


             strcmp

[call site] 00102


             wget_memdup

[function] [call site] 00103


             wget_netrc_db_add

[function] [call site] 00104


             rpl_fclose

[function] [call site] 00105


             wget_hashmap_size

[function] [call site] 00106


             wget_debug_printf

[function] [call site] 00107


           wget_netrc_get

[function] [call site] 00108


             wget_hashmap_get

[function] [call site] 00109


               hashmap_find_entry

[function] [call site] 00110


           wget_netrc_db_free

[function] [call site] 00111


             wget_netrc_db_deinit

[function] [call site] 00112


               wget_hashmap_free

[function] [call site] 00113