Fuzz introspector: fuzz_optparse
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

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
2 4 2 :

['fuse_log', '__isoc99_sscanf']

2 4 process_opt_param call site: 00052 /src/libfuse/build/../lib/fuse_opt.c:211
2 2 1 :

['syslog']

2 2 default_log_func call site: 00000 /src/libfuse/build/../lib/fuse_log.c:25
0 38 1 :

['call_proc']

0 38 process_opt call site: 00049 /src/libfuse/build/../lib/fuse_opt.c:232
0 0 None 6 6 fuse_opt_add_arg call site: 00018 /src/libfuse/build/../lib/fuse_opt.c:63
0 0 None 0 143 fuse_opt_parse call site: 00013 /src/libfuse/build/../lib/fuse_opt.c:408
0 0 None 0 106 process_option_group call site: 00032 /src/libfuse/build/../lib/fuse_opt.c:339
0 0 None 0 0 fuse_opt_add_arg call site: 00021 /src/libfuse/build/../lib/fuse_opt.c:67
0 0 None 0 0 fuse_opt_insert_arg_common call site: 00067 /src/libfuse/build/../lib/fuse_opt.c:83
0 0 None 0 0 add_opt_common call site: 00028 /src/libfuse/build/../lib/fuse_opt.c:120
0 0 None 0 0 opt_parse call site: 00015 /src/libfuse/build/../lib/fuse_opt.c:374
0 0 None 0 0 opt_parse call site: 00064 /src/libfuse/build/../lib/fuse_opt.c:383
0 0 None 0 0 process_one call site: 00062 /src/libfuse/build/../lib/fuse_opt.c:363

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 af_safe_gb_init [function] [call site] 00001
2 af_gb_init [function] [call site] 00002
1 ada_safe_get_char_p [function] [call site] 00003
2 af_gb_get_null_terminated [function] [call site] 00004
3 af_get_null_terminated [function] [call site] 00005
2 af_gb_get_fixed_string [function] [call site] 00006
1 ada_safe_get_char_p [function] [call site] 00007
1 ada_safe_get_char_p [function] [call site] 00008
1 strdup [call site] 00009
1 strdup [call site] 00010
1 ada_safe_get_int [function] [call site] 00011
2 af_get_int [function] [call site] 00012
1 fuse_opt_parse [function] [call site] 00013
2 opt_parse [function] [call site] 00014
3 add_arg [function] [call site] 00015
4 fuse_opt_add_arg [function] [call site] 00016
5 __assert_fail [call site] 00017
5 strdup [call site] 00018
5 alloc_failed [function] [call site] 00019
6 fuse_log [function] [call site] 00020
5 realloc [call site] 00021
5 alloc_failed [function] [call site] 00022
3 process_one [function] [call site] 00023
4 call_proc [function] [call site] 00024
5 add_opt [function] [call site] 00025
6 add_opt_common [function] [call site] 00026
7 strlen [call site] 00027
7 strlen [call site] 00028
7 alloc_failed [function] [call site] 00029
5 add_arg [function] [call site] 00030
4 process_option_group [function] [call site] 00031
5 strdup [call site] 00032
5 fuse_log [function] [call site] 00033
5 process_real_option_group [function] [call site] 00034
6 process_gopt [function] [call site] 00035
7 find_opt [function] [call site] 00036
8 match_template [function] [call site] 00037
9 strlen [call site] 00038
9 strchr [call site] 00039
9 strchr [call site] 00040
9 strncmp [call site] 00041
9 strcmp [call site] 00042
7 process_opt_sep_arg [function] [call site] 00043
8 next_arg [function] [call site] 00044
9 fuse_log [function] [call site] 00045
8 strlen [call site] 00046
8 alloc_failed [function] [call site] 00047
8 strcpy [call site] 00048
8 process_opt [function] [call site] 00049
9 call_proc [function] [call site] 00050
9 process_opt_param [function] [call site] 00051
10 __assert_fail [call site] 00052
10 strdup [call site] 00053
10 alloc_failed [function] [call site] 00054
10 __isoc99_sscanf [call site] 00055
10 fuse_log [function] [call site] 00056
7 process_opt [function] [call site] 00057
7 find_opt [function] [call site] 00058
7 call_proc [function] [call site] 00059
4 next_arg [function] [call site] 00060
4 process_option_group [function] [call site] 00061
4 add_arg [function] [call site] 00062
4 process_gopt [function] [call site] 00063
3 fuse_opt_insert_arg [function] [call site] 00064
4 fuse_opt_insert_arg_common [function] [call site] 00065
5 __assert_fail [call site] 00066
5 fuse_opt_add_arg [function] [call site] 00067
3 fuse_opt_insert_arg [function] [call site] 00068
3 strcmp [call site] 00069
2 fuse_opt_free_args [function] [call site] 00070
1 af_safe_gb_cleanup [function] [call site] 00071
2 af_gb_cleanup [function] [call site] 00072
2 unlink [call site] 00073
1 fuse_opt_free_args [function] [call site] 00074
1 af_safe_gb_cleanup [function] [call site] 00075