Oct 08 03:39:02 xxx named[38862]: reloading configuration succeeded
Oct 08 03:39:02 xxx named[38862]: reloading zones succeeded
Oct 08 03:39:02 xxx systemd[1]: Reloaded Berkeley Internet Name Domain (DNS).
 :
Oct 08 03:39:02 xxx named[38862]: all zones loaded
Oct 08 03:39:02 xxx named[38862]: running
 :
Oct 08 03:39:09 xxx named[38862]: resolver priming query complete
Oct 08 03:39:09 xxx named[38862]: ../../../lib/isc/mem.c:1080: INSIST(ctx->stats[i].gets == 0U) failed, back trace 

Core was generated by `/usr/sbin/named -u named -c /etc/named.conf'.
Program terminated with signal 6, Aborted.
#0  0x00007f59c48c5387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
55      return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
#0  0x00007f59c48c5387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007f59c48c6a78 in __GI_abort () at abort.c:90
#2  0x00005609b901a36e in assertion_failed (file=<optimized out>, line=<optimized out>, type=<optimized out>, 
    cond=<optimized out>) at ../../../bin/named/main.c:232
#3  0x00007f59c61b02ea in isc_assertion_failed (file=file@entry=0x7f59c61f8b74 "../../../lib/isc/mem.c", 
    line=line@entry=1080, type=type@entry=isc_assertiontype_insist, 
    cond=cond@entry=0x7f59c61f8d09 "ctx->stats[i].gets == 0U") at ../../../lib/isc/assertions.c:51
#4  0x00007f59c61c27b8 in destroy (ctx=ctx@entry=0x7f593480f5f0) at ../../../lib/isc/mem.c:1080
#5  0x00007f59c61c2adc in isc__mem_detach (ctxp=ctxp@entry=0x7f59340c98f8) at ../../../lib/isc/mem.c:1135
#6  0x00007f59c61c58d8 in isc_mem_detach (mctxp=mctxp@entry=0x7f59340c98f8) at ../../../lib/isc/mem.c:2746
#7  0x00007f59c75026d6 in destroy (res=0x7f59a8c794d8) at ../../../lib/dns/resolver.c:8912
#8  dns_resolver_detach (resp=resp@entry=0x7f59340b9a68) at ../../../lib/dns/resolver.c:9504
#9  0x00007f59c753d244 in destroy (view=0x7f59340b9a40) at ../../../lib/dns/view.c:396
#10 0x00007f59c753e15c in resolver_shutdown (task=<optimized out>, event=0x0) at ../../../lib/dns/view.c:692
#11 0x00007f59c61d4deb in dispatch (manager=0x7f59c7be2010) at ../../../lib/isc/task.c:1141
#12 run (uap=0x7f59c7be2010) at ../../../lib/isc/task.c:1313
#13 0x00007f59c591aea5 in start_thread (arg=0x7f59bb789700) at pthread_create.c:307
#14 0x00007f59c498db0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

(gdb) f 4
#4  0x00007f59c61c27b8 in destroy (ctx=ctx@entry=0x7f593480f5f0) at ../../../lib/isc/mem.c:1080
1080    ../../../lib/isc/mem.c: No such file or directory.

(gdb) p ctx->stats
$2 = (struct stats *) 0x7f593480f760
(gdb) p ctx->stats[0]
$3 = {gets = 0, totalgets = 0, blocks = 0, freefrags = 0}
(gdb) p ctx->stats[1]
$4 = {gets = 0, totalgets = 0, blocks = 0, freefrags = 0}
(gdb) p ctx->stats[2]
$5 = {gets = 0, totalgets = 0, blocks = 0, freefrags = 0}
(gdb) p i
$6 = 362
(gdb) p/x ctx->stats[362]
$7 = {gets = 0x400000000, totalgets = 0x0, blocks = 0x0, freefrags = 0x0}
(gdb) p ctx->stats[361]
$8 = {gets = 0, totalgets = 0, blocks = 0, freefrags = 0}
(gdb) p ctx->stats[363]
$9 = {gets = 0, totalgets = 0, blocks = 0, freefrags = 0}

1029 static void
1030 destroy(isc__mem_t *ctx) {
 :
1069         if (ctx->checkfree) {
1070                 for (i = 0; i <= ctx->max_size; i++) {
1071                         if (ctx->stats[i].gets != 0U) {
1072                                 fprintf(stderr,
1073                                         "Failing assertion due to probable "
1074                                         "leaked memory in context %p (\"%s\") "
1075                                         "(stats[%u].gets == %lu).\n",
1076                                         ctx, ctx->name, i, ctx->stats[i].gets);
1077 #if ISC_MEM_TRACKLINES
1078                                 print_active(ctx, stderr);
1079 #endif
1080  HERE>>>>>                      INSIST(ctx->stats[i].gets == 0U);
1081                         }
1082                 }
1083         }
 :