[tor-bugs] #7440 [Tor]: Path Bias code should count circuit destructions as failures

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#7440: Path Bias code should count circuit destructions as failures
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 Reporter:  mikeperry                    |          Owner:  mikeperry         
     Type:  defect                       |         Status:  new               
 Priority:  major                        |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor                          |        Version:                    
 Keywords:  MikePerry201211, tor-client  |         Parent:                    
   Points:                               |   Actualpoints:                    
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Comment(by mikeperry):

 Replying to [comment:1 mikeperry]:
 > If we're also concerned about timing-based tagging using stall-failures,
 we might also consider counting circuits that are never able to succeed a
 stream within the CircuitStreamTimeout value as failures as well.

 Bleh, a quick look at connection_edge_process_relay_cell makes me think
 there may even be ways to tag a relay cell such that the exit simply drops
 it, making what would normally be a destructive tag potentially appear as
 a CircuitStreamTimeout, so I think we want to do this anyways. :/

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7440#comment:2>
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