Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
None	18	34	addto_syslog	call site: 00012	/src/ntpsec/build/main/../../libntp/msyslog.c:105
None	16	32	addto_syslog	call site: 00012	/src/ntpsec/build/main/../../libntp/msyslog.c:114
None	16	32	addto_syslog	call site: 00013	/src/ntpsec/build/main/../../libntp/msyslog.c:120
None	16	16	addto_syslog	call site: 00013	/src/ntpsec/build/main/../../libntp/msyslog.c:127
None	14	14	addto_syslog	call site: 00014	/src/ntpsec/build/main/../../libntp/msyslog.c:132
None	12	12	addto_syslog	call site: 00020	/src/ntpsec/build/main/../../libntp/msyslog.c:138
None	9	9	socktoa_r	call site: 00049	/src/ntpsec/build/main/../../libntp/socktoa.c:43
None	0	0	humanlogtime	call site: 00016	/src/ntpsec/build/main/../../libntp/msyslog.c:55
None	0	0	nts_server_lookup	call site: 00045	/src/ntpsec/build/main/../../ntpd/nts_client.c:810

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           htons

[call site] 00001


           htonl

[call site] 00002


           nts_client_process_response_core

[function] [call site] 00003


             ke_next_record

[function] [call site] 00004


               ntohs

[call site] 00005


               ntohs

[call site] 00006


             next_uint16

[function] [call site] 00007


               ntohs

[call site] 00008


             msyslog

[function] [call site] 00009


               vsnprintf

[call site] 00010


               addto_syslog

[function] [call site] 00011


                 strrchr

[call site] 00012


                 syslog

[call site] 00013


                 humanlogtime

[function] [call site] 00014


                   time

[call site] 00015


                   localtime_r

[call site] 00016


                   strlcpy

[function] [call site] 00017


                   snprintf

[call site] 00018


                 getpid

[call site] 00019


                 strlen

[call site] 00020


                 fprintf

[call site] 00021


                 fprintf

[call site] 00022


                 fprintf

[call site] 00023


                 fflush

[call site] 00024


                 snprintf

[call site] 00025


                 strlen

[call site] 00026


                 fileno

[call site] 00027


             msyslog

[function] [call site] 00028


             next_uint16

[function] [call site] 00029


             msyslog

[function] [call site] 00030


             next_uint16

[function] [call site] 00031


             msyslog

[function] [call site] 00032


             nts_get_key_length

[function] [call site] 00033


             msyslog

[function] [call site] 00034


             msyslog

[function] [call site] 00035


             msyslog

[function] [call site] 00036


             msyslog

[function] [call site] 00037


             next_bytes

[function] [call site] 00038


             msyslog

[function] [call site] 00039


             next_bytes

[function] [call site] 00040


             ntohs

[call site] 00041


             nts_server_lookup

[function] [call site] 00042


               getaddrinfo

[call site] 00043


               gai_strerror

[call site] 00044


               msyslog

[function] [call site] 00045


               freeaddrinfo

[call site] 00046


             htons

[call site] 00047


             socktoa_r

[function] [call site] 00048


               __errno_location

[call site] 00049


               strlcpy

[function] [call site] 00050


               inet_ntop

[call site] 00051


               strchr

[call site] 00052


               snprintf

[call site] 00053


               strlcpy

[function] [call site] 00054


               snprintf

[call site] 00055


             msyslog

[function] [call site] 00056


             msyslog

[function] [call site] 00057


             next_uint16

[function] [call site] 00058


             htons

[call site] 00059


             msyslog

[function] [call site] 00060


             msyslog

[function] [call site] 00061


             msyslog

[function] [call site] 00062


             msyslog

[function] [call site] 00063


             msyslog

[function] [call site] 00064


             msyslog

[function] [call site] 00065


             msyslog

[function] [call site] 00066