[tor-bugs] #11638 [Tor]: Backport raising of of #9731 fixes. (was: request backport of changes to)

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#11638: Backport raising of of #9731 fixes.
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     Reporter:  robgjansen  |      Owner:
         Type:  defect      |     Status:  new
     Priority:  normal      |  Milestone:  Tor: 0.2.4.x-final
    Component:  Tor         |    Version:  Tor: 0.2.4.21
   Resolution:              |   Keywords:  tor-relay shadow infinite loops
Actual Points:              |  Parent ID:
       Points:              |
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11638#comment:2>
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