Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
11	0	EP	call site: 00000	dwarf_basic_crc32

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           getpid

[call site] 00001


           sprintf

[call site] 00002


           fopen

[call site] 00003


           fwrite

[call site] 00004


           fclose

[call site] 00005


           open

[call site] 00006


           lseek

[call site] 00007


           read

[call site] 00008


           dwarf_basic_crc32

[function] [call site] 00009


           close

[call site] 00010


           unlink

[call site] 00011