Hi Aaron (I didn't want to call someone fodder :-) )
Thank you for taking the time to report this bug and helping to make Ubuntu
better.
I'm interested in the regression you might have found.
The log looks like a forwarding loop on a ?cloudflare server?. I haven't seen
the issue myself in all my virt work where dnsmasq is mostly around, I'm afraid
you'll have to share a bit more details on your setup.
- How did you install/setup/configure dnsmasq/systemd-resolved
- Which host isn't existing the one you are resolving or one that you manage
with dnsmasq?
- What are the commands to trigger this?
So far there isn't really enough information here for a developer to
confirm this issue is a bug, or to begin working on it, so I am marking
this bug Incomplete for now.
If you can provide exact steps so that a developer can reproduce the
original problem, then please add them to this bug and change the status
back to New.
** Changed in: dnsmasq (Ubuntu)
Status: New => Incomplete
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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/1688364
Title:
Non existent host causes 100% cpu utilization by systemd-resolved and
dnsmasq
Status in dnsmasq package in Ubuntu:
Incomplete
Bug description:
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] googletagservices.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded googletagservices.com
to 127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
May 04 13:32:07 cannon-fodder dnsmasq[8101]: forwarded cf.shareasimage.com to
127.0.0.53
May 04 13:32:07 cannon-fodder dnsmasq[8101]: query[A] cf.shareasimage.com
from 127.0.0.1
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