Fuzz blockers

The followings nodes represent call sites where fuzz blockers occur

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
3	0	EP	call site	is_fido_security_token_desc

Fuzzer calltree


        LLVMFuzzerTestOneInput

[function] [call site2] [calltree idx: 00000]


          getenv

[call site2] [calltree idx: 00001]


          log_set_max_level

[call site2] [calltree idx: 00002]


          is_fido_security_token_desc

[function] [call site2] [calltree idx: 00003]