[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
Wed Mar 28 12:04:12 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_review
 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 asn):

 I did the following chutney testing on the branch above:

 a) I hacked a Tor relay to send a `RESOURCELIMIT` `DESTROY` cell upon
 receiving a `CREATE` cell and made sure that the client would switch
 guards upon seeing the `DESTROY`. Worked.
 b) I hacked a Tor relay to send `RESOURCELIMIT` `DESTROY` cell upon
 receiving a `RELAY` cell (which AFAIK should be after the guard hop has
 been established) and made sure that the client would tear down the
 circuit but '''would not''' mark the guard as unreachable. Worked.

 What other kind of testing would you like to see here?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25347#comment:16>
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