[tor-bugs] #8093 [Tor]: Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from client. Closing circ.

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Jun 12 09:58:17 UTC 2014


#8093: Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from
client. Closing circ.
--------------------------+-------------------------------------
     Reporter:  Gravitas  |      Owner:  nickm
         Type:  defect    |     Status:  new
     Priority:  normal    |  Milestone:  Tor: 0.2.6.x-final
    Component:  Tor       |    Version:  Tor: 0.2.4.9-alpha
   Resolution:            |   Keywords:  tor-client, 025-triaged
Actual Points:            |  Parent ID:
       Points:            |
--------------------------+-------------------------------------

Comment (by alphawolf):

 Not sure if more information is needed here or not -- I noticed this
 warning in my logs from yesterday, accompanied by a few other warnings at
 the exact same time(s).

 {{{
 Jun 11 03:12:38.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Jun 11 03:12:38.000 [warn] connection_edge_process_relay_cell (away from
 origin) failed.
 Jun 11 03:12:38.000 [warn] circuit_receive_relay_cell (forward) failed.
 Closing.
 Jun 11 03:47:16.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Jun 11 03:47:16.000 [warn] connection_edge_process_relay_cell (away from
 origin) failed.
 Jun 11 03:47:16.000 [warn] circuit_receive_relay_cell (forward) failed.
 Closing.
 Jun 11 04:48:17.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Jun 11 04:48:17.000 [warn] connection_edge_process_relay_cell (away from
 origin) failed.
 Jun 11 04:48:17.000 [warn] circuit_receive_relay_cell (forward) failed.
 Closing.
 }}}

 Version: `Tor 0.2.5.4-alpha-dev (git-95d47a74815ede0e)`

 This is a relay that is also used as a client *only* for IRC.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8093#comment:24>
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