[Touch-packages] [Bug 1688364] [NEW] Non existent host causes 100% cpu utilization by systemd-resolved and dnsmasq

Fodder Thu, 04 May 2017 11:41:23 -0700

Public bug reported:

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


** Affects: dnsmasq (Ubuntu)
     Importance: Undecided
         Status: New

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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:
  New

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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[Touch-packages] [Bug 1688364] [NEW] Non existent host causes 100% cpu utilization by systemd-resolved and dnsmasq

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