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

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#8093: Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from
client. Closing circ.
----------------------+-----------------------------------------------------
 Reporter:  Gravitas  |          Owner:                    
     Type:  defect    |         Status:  new               
 Priority:  normal    |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor       |        Version:  Tor: 0.2.4.9-alpha
 Keywords:            |         Parent:                    
   Points:            |   Actualpoints:                    
----------------------+-----------------------------------------------------
 Tor repeatedly logs the following warning to the log:

 Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.

 My tor client is transferring up to 1MB per second. To give you an idea of
 how frequent the messages are, here is a sample from the log:

 Jan 30 08:02:38.565 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:08:35.479 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:09:42.842 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:11:43.152 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:14:56.327 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:19:33.993 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:19:41.684 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:19:51.278 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:20:46.170 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:22:21.517 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:24:21.550 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:26:02.562 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:26:03.966 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:26:28.745 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:27:57.262 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:28:20.702 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:31:24.491 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:32:31.640 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:33:11.243 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:33:25.613 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:35:20.153 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:36:14.547 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:36:19.196 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:37:26.787 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:37:32.013 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:37:54.571 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:38:24.782 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:48:50.658 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.
 Jan 30 08:50:09.286 [Warning] Bug/attack: unexpected sendme cell from
 client. Closing circ.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8093>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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