Fuzz introspector: fuzz-scanopt
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
0 0 None 2 82 scanopt call site: 00004 /src/flex/src/scanopt.c:636
0 0 None 2 2 find_opt call site: 00006 /src/flex/src/scanopt.c:564
0 0 None 0 0 scanopt call site: 00004 /src/flex/src/scanopt.c:631
0 0 None 0 0 scanopt call site: 00024 /src/flex/src/scanopt.c:750

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 scanopt_init [function] [call site] 00001
2 strlen [call site] 00002
2 __ctype_b_loc [call site] 00003
1 scanopt [function] [call site] 00004
2 matchlongopt [function] [call site] 00005
2 find_opt [function] [call site] 00006
3 strncmp [call site] 00007
2 scanopt_err [function] [call site] 00008
3 fprintf [call site] 00009
3 gettext [call site] 00010
3 fprintf [call site] 00011
3 gettext [call site] 00012
3 fprintf [call site] 00013
3 gettext [call site] 00014
3 fprintf [call site] 00015
3 gettext [call site] 00016
3 fprintf [call site] 00017
3 gettext [call site] 00018
3 fprintf [call site] 00019
2 scanopt_err [function] [call site] 00021
2 strlen [call site] 00022
2 scanopt_err [function] [call site] 00023
2 scanopt_err [function] [call site] 00024
1 scanopt_destroy [function] [call site] 00025