[Bug 1543185] Re: Malformed query causing timeouts due to ignored upstream queries

[Peter Maydell]

This post to the dnsmasq-discuss list:
http://lists.thekelleys.org.uk/pipermail/dnsmasq-
discuss/2015q2/009575.html  suggests that the bug has been fixed in a
later version of dnsmasq and should be fairly easy to backport.

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Title:
  Malformed query causing timeouts due to ignored upstream queries

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[Bug 1543185] Re: Malformed query causing timeouts due to ignored upstream queries

[Peter Maydell]

Ah, it looks like Colin did just cherry pick the fix for this bug; from
the backport .deb's changelog:

+dnsmasq (2.68-1ubuntu0.1ppa1) trusty; urgency=medium
+
+  * Cherry-pick from 2.73:
+- Correctly sanitise DNS header bits in answer when recreating query for
+  retry.
+
+ -- Colin Watson   Mon, 08 Feb 2016 15:46:48 +

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Title:
  Malformed query causing timeouts due to ignored upstream queries

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[Bug 1543185] Re: Malformed query causing timeouts due to ignored upstream queries

[Paul Gotch]

Actually sorry the PPA is a backport of dnsmasq 2.68 not just the above
patch.

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Title:
  Malformed query causing timeouts due to ignored upstream queries

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[Bug 1543185] Re: Malformed query causing timeouts due to ignored upstream queries

[Paul Gotch]

This patch http://lists.thekelleys.org.uk/pipermail/dnsmasq-
discuss/2015q2/009575.html appears to solve the problem, cjwatson built
a test package in his ppa which I used to test this.

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Title:
  Malformed query causing timeouts due to ignored upstream queries

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