legacy system test generated core dump.
Job #719293 failed for e2551b79:
ns1/named.run:
27-Feb-2020 23:14:23.582 client @0x7f3f7400e970 10.53.0.1#51583 (dropedns): send
27-Feb-2020 23:14:23.582 sockmgr 0x7f3fb46fe020 thread 1: watcher got message -5 for socket 513
27-Feb-2020 23:14:23.582 sockmgr 0x7f3fb46fe020 thread 1: watcher got message -2 for socket -1
27-Feb-2020 23:14:23.582 client @0x7f3f740028d0 10.53.0.1#56329: freeing client
27-Feb-2020 23:14:23.582 query client=0x7f3f740028d0 thread=0x7f3fb7467700 (<unknown-query>): query_reset
27-Feb-2020 23:14:23.582 clientmgr @0x7f3faaa9af50 detach: 2
27-Feb-2020 23:14:23.582 clientmgr @0x7f3faaa9af50: clientmctx
[core generated here]
27-Feb-2020 23:14:41.198 starting BIND 9.16.0 (Stable Release) <id:e2551b79>
27-Feb-2020 23:14:41.198 running on Linux x86_64 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5+deb10u1 (2019-07-19)
27-Feb-2020 23:14:41.198 built with '--disable-maintainer-mode' '--enable-developer' '--with-libtool' '--disable-static' '--with-cmocka' '--with-libxml2' '--with-json-c' '--prefix=/root/.local' '--without-make-clean' 'CC=gcc' 'CFLAGS=-fno-omit-frame-pointer -fno-optimize-sibling-calls -O1 -g -Wall -Wextra -O2'
27-Feb-2020 23:14:41.198 running as: named -D legacy-ns1 -X named.lock -m record,size,mctx -c named.conf -d 99 -g -U 4
27-Feb-2020 23:14:41.198 compiled by GCC 6.3.0 20170516
27-Feb-2020 23:14:41.198 compiled with OpenSSL version: OpenSSL