[tor-bugs] #25347 [Core Tor/Tor]: Tor stops building circuits, and doesn't start when it has enough directory information

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Apr 2 23:54:34 UTC 2018


#25347: Tor stops building circuits, and doesn't start when it has enough directory
information
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  asn
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.0.6
 Severity:  Normal                               |     Resolution:
 Keywords:  031-backport, 032-backport,          |  Actual Points:
  033-must, tor-guard, tor-client, tbb-          |
  usability-website, tbb-needs,                  |
  033-triage-20180320, 033-included-20180320     |
Parent ID:  #21969                               |         Points:  1
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by mikeperry):

 Additional wrinkles to 2: we have to ignore the ordering of our primary
 guards for this fix to allow predicted circuits to complete for the case
 of a truly downed guard. However, if all primary guards are unreachable
 though, we may want a different strategy to avoid spamming them with
 predicted circuits. Maybe first check to make sure we have at least 1
 is_reachable primary guard before picking one randomly for predicted
 circuits? How about that?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25347#comment:26>
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