ps.
Since it is a UAF, the result is uncertain. I see twice, it does not crash, but 
just dead loop, use 100% cpu.

Dec 05 06:11:38 dnsmasq[359491]: read /etc/hosts - 7 addresses
Dec 06 07:58:41 dnsmasq[359491]: no servers found in 
/run/NetworkManager/no-stub-resolv.conf, will retry
Dec 06 21:23:52 systemd[1]: Stopping My DNS caching server for lxd and vms...
Dec 06 21:24:09 systemd[1]: my-dns.service: Main process exited, code=killed, 
status=9/KILL
Dec 06 21:24:09 systemd[1]: my-dns.service: Failed with result 'signal'.
Dec 06 21:24:09 systemd[1]: Stopped My DNS caching server for lxd and vms.
Dec 06 21:24:09 systemd[1]: my-dns.service: Consumed 13h 25min 27.822s CPU time.
Dec 06 21:24:09 systemd[1]: Started My DNS caching server for lxd and vms.

Dec 09 13:07:28 dnsmasq[464230]: read /etc/hosts - 7 addresses
Dec 11 03:44:37 dnsmasq[464230]: no servers found in 
/run/NetworkManager/no-stub-resolv.conf, will retry
Dec 11 06:28:39 systemd[1]: Stopping My DNS caching server for lxd and vms...
Dec 11 06:28:48 systemd[1]: my-dns.service: Main process exited, code=killed, 
status=9/KILL
Dec 11 06:28:48 systemd[1]: my-dns.service: Failed with result 'signal'.
Dec 11 06:28:48 systemd[1]: Stopped My DNS caching server for lxd and vms.
Dec 11 06:28:48 systemd[1]: my-dns.service: Consumed 2h 44min 11.010s CPU time.
Dec 11 06:28:48 systemd[1]: Started My DNS caching server for lxd and vms.

In the end, I manually restart it.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to dnsmasq in Ubuntu.
https://bugs.launchpad.net/bugs/2045570

Title:
  dnsmasq crash when no servers in resolv.conf

Status in dnsmasq package in Ubuntu:
  Fix Released
Status in dnsmasq source package in Jammy:
  Triaged

Bug description:
  upstream discussion:
  https://lists.thekelleys.org.uk/pipermail/dnsmasq-
  discuss/2022q3/016563.html

  in my journal, my dns service crash and restart just after:
  Dec 04 17:18:38 dnsmasq[199333]: no servers found in 
/run/NetworkManager/no-stub-resolv.conf, will retry

  oops report: https://errors.ubuntu.com/oops/29cf5e2e-92b1-11ee-9bdf-
  fa163ec44ecd

  ubuntu jammy, dnsmasq-base 2.86-1.1ubuntu0.3

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/2045570/+subscriptions


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