Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique Reachable Functions	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
None	108	ndpi_patricia_lookup	call site: 00049	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:659
None	20	ndpi_Clear_Patricia	call site: 00018	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:324
None	20	ndpi_Clear_Patricia	call site: 00019	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:339
None	0	ndpi_fill_prefix_v4	call site: 00042	/src/ndpi/src/lib/ndpi_main.c:2214
None	0	ndpi_fill_prefix_v6	call site: 00041	/src/ndpi/src/lib/ndpi_main.c:2229
None	0	ndpi_get_ip_string	call site: 00035	/src/ndpi/src/lib/ndpi_main.c:7916
1 : View List ['free']	0	ndpi_free	call site: 00023	/src/ndpi/src/lib/ndpi_memory.c:80
None	0	ndpi_patricia_search_best2	call site: 00044	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:551
None	0	ndpi_patricia_lookup	call site: 00060	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:774
None	0	ndpi_Deref_Prefix	call site: 00019	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:282
None	0	ndpi_prefix_tochar	call site: 00047	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:71
None	0	ndpi_prefix_tochar	call site: 00047	/src/ndpi/src/lib/third_party/src/ndpi_patricia.c:77

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzz_set_alloc_callbacks_and_seed

[function] [call site] 00001


             fuzz_set_alloc_callbacks

[function] [call site] 00002


               set_ndpi_malloc

[function] [call site] 00003


               malloc_wrapper

[function] [call site] 00004


                 fastrand

[function] [call site] 00005


               set_ndpi_free

[function] [call site] 00006


               free_wrapper

[function] [call site] 00007


             fuzz_set_alloc_seed

[function] [call site] 00008


           ndpi_ptree_create

[function] [call site] 00009


             ndpi_malloc

[function] [call site] 00010


             ndpi_patricia_new

[function] [call site] 00011


               ndpi_calloc

[function] [call site] 00012


                 ndpi_malloc

[function] [call site] 00013


               __assert_fail

[call site] 00014


             ndpi_patricia_new

[function] [call site] 00015


             ndpi_ptree_destroy

[function] [call site] 00016


               ndpi_patricia_destroy

[function] [call site] 00017


                 ndpi_Clear_Patricia

[function] [call site] 00018


                   ndpi_Deref_Prefix

[function] [call site] 00019


                     __assert_fail

[call site] 00020


                     __assert_fail

[call site] 00021


                     ndpi_DeleteEntry

[function] [call site] 00022


                       ndpi_free

[function] [call site] 00023


                   __assert_fail

[call site] 00024


                   ndpi_DeleteEntry

[function] [call site] 00025


                   __assert_fail

[call site] 00026


                 ndpi_DeleteEntry

[function] [call site] 00027


               free_ptree_data

[function] [call site] 00028


                 ndpi_free

[function] [call site] 00029


               ndpi_patricia_destroy

[function] [call site] 00030


               free_ptree_data

[function] [call site] 00031


               ndpi_free

[function] [call site] 00032


           ndpi_get_ip_string

[function] [call site] 00033


             ndpi_is_ipv6

[function] [call site] 00034


             inet_ntop

[call site] 00035


             ndpi_snprintf

[function] [call site] 00036


               ndpi_vsnprintf

[function] [call site] 00037


                 vsnprintf

[call site] 00038


           ndpi_ptree_insert

[function] [call site] 00039


             ndpi_is_ipv6

[function] [call site] 00040


             ndpi_fill_prefix_v6

[function] [call site] 00041


             ndpi_fill_prefix_v4

[function] [call site] 00042


             ndpi_patricia_search_best

[function] [call site] 00043


               ndpi_patricia_search_best2

[function] [call site] 00044


                 __assert_fail

[call site] 00045


                 __assert_fail

[call site] 00046


                 ndpi_prefix_tochar

[function] [call site] 00047


                 ndpi_prefix_tochar

[function] [call site] 00048


             ndpi_patricia_lookup

[function] [call site] 00049


               __assert_fail

[call site] 00050


               __assert_fail

[call site] 00051


               ndpi_calloc

[function] [call site] 00052


               ndpi_Ref_Prefix

[function] [call site] 00053


                 ndpi_New_Prefix2

[function] [call site] 00054


                   ndpi_calloc

[function] [call site] 00055


                   ndpi_calloc

[function] [call site] 00056


               ndpi_free

[function] [call site] 00057


               __assert_fail

[call site] 00058


               __assert_fail

[call site] 00059


               __assert_fail

[call site] 00060


               ndpi_Ref_Prefix

[function] [call site] 00061


               __assert_fail

[call site] 00062


               ndpi_calloc

[function] [call site] 00063


               ndpi_Ref_Prefix

[function] [call site] 00064


               ndpi_free

[function] [call site] 00065


               __assert_fail

[call site] 00066


               __assert_fail

[call site] 00067


               __assert_fail

[call site] 00068


               ndpi_calloc

[function] [call site] 00069


               ndpi_Deref_Prefix

[function] [call site] 00070


               ndpi_DeleteEntry

[function] [call site] 00071


               __assert_fail

[call site] 00072


           ndpi_ptree_match_addr

[function] [call site] 00073


             ndpi_is_ipv6

[function] [call site] 00074


             ndpi_fill_prefix_v6

[function] [call site] 00075


             ndpi_fill_prefix_v4

[function] [call site] 00076


             ndpi_patricia_search_best

[function] [call site] 00077


           ndpi_ptree_match_addr

[function] [call site] 00078


           ndpi_ptree_destroy

[function] [call site] 00079