[tor-bugs] #9546 [Tor]: Link handshake fails with "Received unexpected cell command 10" when clocks are skewed

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Aug 20 17:54:42 UTC 2013


#9546: Link handshake fails with "Received unexpected cell command 10" when clocks
are skewed
-----------------------------------+----------------------------------------
 Reporter:  zwol                   |          Owner:                    
     Type:  defect                 |         Status:  new               
 Priority:  normal                 |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor                    |        Version:  Tor: 0.2.4.15-rc  
 Keywords:  tor-bridge tor-client  |         Parent:                    
   Points:                         |   Actualpoints:                    
-----------------------------------+----------------------------------------

Comment(by nickm):

 " Aug 20 17:46:03.825 [info] channel_tls_handle_cell(): Received
 unexpected cell command 1 in chan state opening / conn state handshaking
 (Tor, v3 handshake); closing the connection. "

 Interesting that this is a CREATE cell too, not a CREATE_FAST cell.

 I'd almost suspect that we're getting CREATE cells from another relay
 rather than from a client directly, since we're not seeing CREATE_FAST
 cells here.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9546#comment:6>
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