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[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

** Changed in: mir/0.12
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1433330

Title:
  Some protobuf Closure objects can access dead objects

Status in Mir:
  Fix Committed
Status in Mir 0.12 series:
  Fix Released
Status in mir package in Ubuntu:
  Fix Released

Bug description:
  ProtobufMessageProcessor::dispatch will create a protobuf closure
  object that references the ProtobufMessageProcessor "this" pointer.

  The closure/callback object may be invoked by a different thread (e.g.
  SessionMediator::exchange_buffer). Since there's no protection there
  can be a race between dropping a connection (which destroys the
  ProtoBufMessageProcessor) and the callback being invoked by a
  compositor thread.

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