Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
22	0	EP	call site: 00000	run_broker

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           umask

[function] [call site] 00001


           snprintf

[function] [call site] 00002


           getpid

[function] [call site] 00003


           fopen

[function] [call site] 00004


           fwrite

[function] [call site] 00005


           fclose

[function] [call site] 00006


           run_broker

[function] [call site] 00007


             strdup

[function] [call site] 00008


             strdup

[function] [call site] 00009


             strdup

[function] [call site] 00010


             strdup

[function] [call site] 00011


             strdup

[function] [call site] 00012


             mosquitto_fuzz_main

[function] [call site] 00013


             free

[function] [call site] 00014


               malloc_usable_size

[function] [call site] 00015


               check_alloc_marker

[function] [call site] 00016


                 strncmp

[function] [call site] 00017


               __libc_free

[function] [call site] 00018


               trigger_alloc_mismatch

[function] [call site] 00019


                 strncmp

[function] [call site] 00020


                 abort

[function] [call site] 00021


           unlink

[function] [call site] 00022