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Re: [tor-bugs] #7341 [Tor]: circuit_expire_building applies CBT in twisted ways on hidden service circuits



#7341: circuit_expire_building applies CBT in twisted ways on hidden service
circuits
------------------------+---------------------------------------------------
 Reporter:  mikeperry   |          Owner:                    
     Type:  defect      |         Status:  new               
 Priority:  normal      |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor         |        Version:                    
 Keywords:  tor-client  |         Parent:                    
   Points:              |   Actualpoints:                    
------------------------+---------------------------------------------------

Comment(by mikeperry):

 Replying to [comment:7 rransom]:
 > Replying to [comment:6 mikeperry]:
 > > Some notes of interest from the event logs rransom suggested:
 > >
 > > 1. The cannibalization situation is even worse than the inappropriate
 short-timeout application I noted above. If a circuit is cannibalized, we
 never update the creation timer. This means that if a circuit lies idle
 for any amount of time, it will instantly time out when it is
 cannibalized.
 >
 >
 [https://gitweb.torproject.org/tor.git/blob/tor-0.2.4.6-alpha:/src/or/circuituse.c#l1328
 No.]

 What about rend_client_reextend_intro_circuit()? It appears to call
 circuit_extend_to_new_exit() without a path to
 circuit_launch_by_extend_info() or a timestamp update.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7341#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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