[tor-bugs] #8024 [Tor]: Tor Client : "circuit_package_relay_cell(): Bug: outgoing relay cell has n_chan==NULL. Dropping"

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#8024: Tor Client  : "circuit_package_relay_cell(): Bug: outgoing relay cell has
n_chan==NULL. Dropping"
-----------------------------------------+----------------------------------
 Reporter:  cypherpunks                  |          Owner:  mikeperry         
     Type:  defect                       |         Status:  assigned          
 Priority:  normal                       |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor                          |        Version:  Tor: 0.2.4.9-alpha
 Keywords:  tor-client, MikePerry201301  |         Parent:                    
   Points:                               |   Actualpoints:                    
-----------------------------------------+----------------------------------
Changes (by mikeperry):

  * owner:  => mikeperry
  * status:  new => assigned
  * keywords:  tor-client => tor-client, MikePerry201301


Comment:

 I found an instance of this while testing #7802. It was caused by a path
 bias probe. I can add a check for circ->n_chan != NULL &&
 (circ->n_chan->state == CHANNEL_STATE_OPEN || circ->n_chan->state ==
 CHANNEL_STATE_MAINT) in pathbias_send_usable_probe(), unless there is a
 better fix.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8024#comment:5>
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