SEGV in ods-signerd shortly after zone removals

# gdb /usr/pkgsrc/security/opendnssec/work/opendnssec-1.4.13/signer/src/ods-signerd ods-signerd.core-5
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Reading symbols from /usr/pkgsrc/security/opendnssec/work/opendnssec-1.4.13/signer/src/ods-signerd...done.
[New process 4]
[New process 2083]
[New process 9]
[New process 8]
[New process 7]
[New process 6]
[New process 3]
[New process 2]
[New process 1]

warning: .dynamic section for "/usr/pkg/lib/libxml2.so.2" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/pkg/lib/softhsm/libsofthsm.so" is not at the expected address (wrong library or version mismatch?)
Core was generated by `ods-signerd'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 netio_dispatch (netio=0x7f7ff730e0c0, timeout=timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at wire/netio.c:250
250 relative.tv_sec = handler->timeout->tv_sec;
(gdb) p handler
$1 = (netio_handler_type *) 0x7f7fded528b8
(gdb) p *$->timeout
Cannot access memory at address 0x3520302031093343
(gdb) p handler
$2 = (netio_handler_type *) 0x7f7fded528b8
(gdb) p *$
$3 = {fd = 1313409328, timeout = 0x3520302031093343,
user_data = 0x6638386236613820,
event_types = (NETIO_EVENT_TIMEOUT | unknown: 1650603312),
event_handler = 0x7173647269202064}
(gdb) where
#0 netio_dispatch (netio=0x7f7ff730e0c0, timeout=timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at wire/netio.c:250
#1 0x000000000040e15c in xfrhandler_start (xfrhandler=0x7f7ff733c090)
at daemon/xfrhandler.c:133
#2 0x000000000040e662 in xfrhandler_thread_start (arg=<optimized out>)
at daemon/engine.c:255
#3 0x00007f7ff520ac1c in ?? () from /usr/lib/libpthread.so.1
#4 0x00007f7ff6083c70 in ?? () from /usr/lib/libc.so.12
Cannot access memory at address 0x7f7ff41fe000
(gdb)