assertion failed in isc_socket_detach() -> destroy()

For more details see #1649 (closed):

==18557==ERROR: UndefinedBehaviorSanitizer: ABRT on unknown address 0x110200000487d (pc 0x7ffff77d4081 bp 0x7fffa5d736e0 sp 0x7fffa5d72f90 T18574)
    #0 0x7ffff77d4080 in raise (/lib/x86_64-linux-gnu/libc.so.6+0x3a080)
    #1 0x7ffff77bf534 in abort (/lib/x86_64-linux-gnu/libc.so.6+0x25534)
    #2 0x468d31 in assertion_failed /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/bin/named/./main.c:261:3
    #3 0xa03c4c in isc_assertion_failed /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/isc/assertions.c:47:2
    #4 0xa97dcb in destroy /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/isc/unix/socket.c:1826:2
    #5 0xa97c9e in isc_socket_detach /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/isc/unix/socket.c:2628:3
    #6 0x81737e in resquery_connected /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/dns/resolver.c:2904:3
    #7 0xa823c7 in dispatch /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/isc/task.c:1157:7
    #8 0xa7bf3d in run /usr/local/google/home/swiecki/fuzz/bind/bind-9.16.0/lib/isc/task.c:1346:2
    #9 0x7ffff7ae2fb6 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x8fb6)
    #10 0x7ffff78942de in clone (/lib/x86_64-linux-gnu/libc.so.6+0xfa2de)

UndefinedBehaviorSanitizer can not provide additional info.
==18557==ABORTING