[tor-bugs] #8387 [Tor]: Unbuilt one-hop circuits sometimes hang around forever

[Tor Bug Tracker & Wiki]

#8387: Unbuilt one-hop circuits sometimes hang around forever
---------------------------+-----------------------------------------
     Reporter:  mikeperry  |      Owner:  nickm
         Type:  defect     |     Status:  new
     Priority:  normal     |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor        |    Version:
   Resolution:             |   Keywords:  tor-client MikePerry201405R
Actual Points:             |  Parent ID:
       Points:             |
---------------------------+-----------------------------------------

Comment (by nickm):

 The part that should have triggered (and which eventually did trigger) in
 circuit_expire_old_circuits_clientside() is:
 {{{
     if (circ->timestamp_dirty &&
         circ->timestamp_dirty + get_options()->MaxCircuitDirtiness <
           now.tv_sec &&
         !TO_ORIGIN_CIRCUIT(circ)->p_streams /* nothing attached */ ) {
 }}}

 I'd suspect that p_streams was not in fact empty on these circuits
 somehow.  I think I'll extend the log message to investigate that.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8387#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online