I am using ARM cross compiled dnscrypt-proxy-1.9.5 in my openwrt along with dnsmasq. I am getting SIGABRT as and when dns query packet is received. What could be the reason for this please let me know. I got dnscrypt-proxy specific logs as below:

/etc/init.d/dnscrypt-proxy start
Tue Apr 17 13:27:01 2018 [INFO] - [cisco] does not support DNS Security Extensions
Tue Apr 17 13:27:01 2018 [WARNING] - [cisco] logs your activity - a different provider might be better a choice if privacy is a concern
Tue Apr 17 13:27:01 2018 [INFO] Generating a new session key pair
Tue Apr 17 13:27:01 2018 [INFO] Done
Tue Apr 17 13:27:01 2018 [INFO] Server certificate with serial #1517943461 received
Tue Apr 17 13:27:01 2018 [INFO] This certificate is valid
Tue Apr 17 13:27:01 2018 [INFO] Chosen certificate #1517943461 is valid from [2018-02-06] to [2019-02-06]
Tue Apr 17 13:27:01 2018 [INFO] The key rotation period for this server may exceed the recommended value. This is bad for forward secrecy.
Tue Apr 17 13:27:01 2018 [INFO] Server key fingerprint is 240B:11B7:AD02:FAC0:6285:1E88:6EAA:44E7:AE5B:AD2F:921F:9577:514D:E226:D552:6836
Tue Apr 17 13:27:01 2018 [NOTICE] Proxying from 127.0.0.1:40 to 208.67.220.220:443

Thanks

The output of strace -p is as follows:
root@routerB50211:/usr/sbin# strace -p 32417
Process 32417 attached
gettimeofday({1523951849, 968771}, NULL) = 0
epoll_wait(4,
{{EPOLLIN, {u32=8, u64=8}}}, 32, 2100000) = 1
gettimeofday({1523951909, 412525}, NULL) = 0
recvfrom(8, "\277N\1\0\0\1\0\0\0\0\0\0\7outlook\toffice365\3c"..., 65508, 0, {sa_family=AF_INET, sin_port=htons(35944), sin_addr=inet_addr("127.0.0.1")}, [16]) = 39
brk(0x1a73000) = 0x1a73000
brk(0x1a63000) = 0x1a63000
gettimeofday({1523951909, 436045}, NULL) = 0
write(7, "Tue Apr 17 13:28:29 2018\t127.0.0"..., 59) = 59
gettimeofday({1523951909, 444086}, NULL) = 0
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
tgkill(32417, 32417, SIGABRT) = 0
--- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=32417, si_uid=0} ---
write(2, "\nSignal [6] received.\n\n", 23) = 23
futex(0x76e6c630, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(2, "======== Stack trace ========\n", 30) = 30
kill(32417, SIGABRT) = 0
--- SIGABRT {si_signo=SIGABRT, si_code=SI_USER, si_pid=32417, si_uid=0} ---
+++ killed by SIGABRT (core dumped) +++

I am using Chaos Calmer openwrt release. What is wright version of dnscrypt-proxy to be integrated to this release?