Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
4	0	EP	call site: 00000	UA_base64

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           UA_base64

[function] [call site] 00001


             UA_malloc

[function] [call site] 00002


             UA_base64_buf

[function] [call site] 00003


           free

[function] [call site] 00004