[tor-bugs] #12848 [Tor]: Tor wrongly process circuit as connected to n_chan if create cell delivery failed

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#12848: Tor wrongly process circuit as connected to n_chan if create cell delivery
failed
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     Reporter:  cypherpunks  |      Owner:
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:
    Component:  Tor          |    Version:  Tor: 0.2.5.5-alpha
   Resolution:               |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by cypherpunks):

 "Discrepancy in counts for queued destroy cells" explained by this bug
 too. channel_send_destroy appends destroy cell to queue with zero id, but
 traces from conn-circid map removed as soon as cell appends. Total number
 of destroy cells in queue more than number of ids in use because cells
 with zero id in queue.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12848#comment:6>
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