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Re: [tor-bugs] #7959 [Tor]: onionskin_answer(): Bug: couldn't format created cell

#7959: onionskin_answer(): Bug: couldn't format created cell
-----------------------+----------------------------------------------------
 Reporter:  sysrqb     |          Owner:                    
     Type:  defect     |         Status:  new               
 Priority:  major      |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor        |        Version:  Tor: 0.2.4.8-alpha
 Keywords:  tor-relay  |         Parent:                    
   Points:             |   Actualpoints:                    
-----------------------+----------------------------------------------------
Changes (by nickm):

  * priority:  normal => major


Comment:

 Oh hey, I bet that this is happening because of this check in
 check_created_cell:
 {{{
      if (cell->handshake_len != TAP_ONIONSKIN_REPLY_LEN)
       return -1;
     break;
 }}}
 embedded ntor handshakes have a different size.

 I bet that if you're encountering the bug with my logging code, you'll see
 {{{
 "Bug: couldn't format CREATED cell (type=1, len=64)"
 }}}

 And if that's so, I think I have a fix coming up really soon.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7959#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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