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[John Kasperski <jckasper@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

During the processing of a subnet-update request, neutron uses the
specified allocation_pools to determine if the gateway IP is in that
specified pool [1] prior to that incoming allocation_pools property ever
being validated [2].

Validation of the incoming allocation_pool should be done before that property  is used.
 
[1]: https://github.com/openstack/neutron/blob/master/neutron/db/db_base_plugin_v2.py#L575
[2]: https://github.com/openstack/neutron/blob/master/neutron/db/ipam_backend_mixin.py#L188

** Affects: neutron
     Importance: Undecided
     Assignee: John Kasperski (jckasper)
         Status: In Progress

** Changed in: neutron
     Assignee: (unassigned) => John Kasperski (jckasper)

** Changed in: neutron
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1479948

Title:
  During subnet-update, allocation_pools used before being validated

Status in neutron:
  In Progress

Bug description:
  During the processing of a subnet-update request, neutron uses the
  specified allocation_pools to determine if the gateway IP is in that
  specified pool [1] prior to that incoming allocation_pools property
  ever being validated [2].

  Validation of the incoming allocation_pool should be done before that property  is used.
   
  [1]: https://github.com/openstack/neutron/blob/master/neutron/db/db_base_plugin_v2.py#L575
  [2]: https://github.com/openstack/neutron/blob/master/neutron/db/ipam_backend_mixin.py#L188

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