dhcpd (v6) crashing roughly every 2 days

[Zaite12]

Hi,

Since upgrading to Ubuntu 18.04 a few months ago, dhcpd (v6) has been
crashing roughly every 2 days. I'm just a home user / enthusiast so this
isn't an urgent issue, but it would be nice to resolve!

Ubuntu 18.04.1, DHCP version 4.3.5

syslog contains the following:

Aug 23 09:22:20 miranda sh[4338]: ../../../lib/isc/heap.c:217: REQUIRE(idx
>= 1 && idx <= heap->last) failed, back trace
Aug 23 09:22:20 miranda sh[4338]: #0 0x7fd9f140c417 in ??
Aug 23 09:22:20 miranda sh[4338]: #1 0x7fd9f140c36a in ??
Aug 23 09:22:20 miranda sh[4338]: #2 0x7fd9f14133ea in ??
Aug 23 09:22:20 miranda sh[4338]: #3 0x56092db0b0d2 in ??
Aug 23 09:22:20 miranda sh[4338]: #4 0x56092db0b4f1 in ??
Aug 23 09:22:20 miranda sh[4338]: #5 0x56092db06701 in ??
Aug 23 09:22:20 miranda sh[4338]: #6 0x56092db08b05 in ??
Aug 23 09:22:20 miranda sh[4338]: #7 0x56092db09eea in ??
Aug 23 09:22:20 miranda sh[4338]: #8 0x56092db0aafc in ??
Aug 23 09:22:20 miranda sh[4338]: #9 0x56092db26402 in ??
Aug 23 09:22:20 miranda sh[4338]: #10 0x56092db15463 in ??
Aug 23 09:22:20 miranda sh[4338]: #11 0x56092db44476 in ??
Aug 23 09:22:20 miranda sh[4338]: #12 0x7fd9f144373b in ??
Aug 23 09:22:20 miranda sh[4338]: #13 0x7fd9f1432f9e in ??
Aug 23 09:22:20 miranda sh[4338]: #14 0x7fd9f1437e60 in ??
Aug 23 09:22:20 miranda sh[4338]: #15 0x7fd9f1438325 in ??
Aug 23 09:22:20 miranda sh[4338]: #16 0x56092db176b0 in ??
Aug 23 09:22:20 miranda sh[4338]: #17 0x56092dacb519 in ??
Aug 23 09:22:20 miranda sh[4338]: #18 0x7fd9f102cb97 in ??
Aug 23 09:22:20 miranda sh[4338]: #19 0x56092dacbe0a in ??
Aug 23 09:22:20 miranda systemd[1]: isc-dhcp-server6.service: Main process
exited, code=dumped, status=6/ABRT
Aug 23 09:22:20 miranda systemd[1]: isc-dhcp-server6.service: Failed with
result 'core-dump'.


Any ideas?

Thanks



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