[tor-bugs] #4753 [Tor]: Tor Client Bug: "connection_stop_reading: Assertion conn->read_event failed; aborting."

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Aug 11 00:28:43 UTC 2013


#4753: Tor Client Bug: "connection_stop_reading: Assertion conn->read_event
failed; aborting."
-------------------------+--------------------------------------------------
    Reporter:  zhenling  |       Owner:                              
        Type:  defect    |      Status:  reopened                    
    Priority:  normal    |   Milestone:  Tor: 0.2.2.x-final          
   Component:  Tor       |     Version:  Tor: 0.2.2.39               
  Resolution:            |    Keywords:  Transparent Proxy tor-client
      Parent:            |      Points:                              
Actualpoints:            |  
-------------------------+--------------------------------------------------
Changes (by i):

  * status:  closed => reopened
  * version:  Tor: 0.2.2.34 => Tor: 0.2.2.39
  * resolution:  user disappeared =>


Comment:

 This assertion was triggered at least twice over the last week for me.
 Below you find the last log messages just before the assertion fails. I
 could probably get a coredump, but it's an embedded device and would
 require a significant amount of work (and who knows if it'll happen
 again). Do you think you can work with the log messares alone?

 {{{
 # tor --version
 Aug 11 00:14:39.644 [notice] Tor v0.2.2.39 (git-bec76476efb71549). This is
 experimental software. Do not rely on it for strong anonymity. (Running on
 Linux i586)
 Tor version 0.2.2.39 (git-bec76476efb71549).
 }}}

 Log messages:
 {{{
 Aug 10 22:23:15.146 [info] connection_edge_package_raw_inbuf(): called
 with package_window 0. Skipping.
 Aug 10 22:23:15.226 [info] evdns_server_callback(): Got a new DNS request!
 Aug 10 22:23:15.229 [info] evdns_server_callback(): Passing request for
 [scrubbed] to rewrite_and_attach.
 Aug 10 22:23:15.235 [info] exit (high-uptime) circ (length 3):
 WilliamCZ6(open) Karlstad(open) bolobolo1(open)
 Aug 10 22:23:15.239 [info] connection_ap_handshake_send_resolve(): Address
 sent for resolve, ap socket -1, n_circ_id 32008
 Aug 10 22:23:15.242 [info] evdns_server_callback(): Passed request for
 [scrubbed] to rewrite_and_attach_if_allowed.
 Aug 10 22:23:15.426 [info] connection_edge_package_raw_inbuf(): called
 with package_window 0. Skipping.
 Aug 10 22:23:15.494 [err] connection_stop_reading(): Bug: main.c:338:
 connection_stop_reading: Assertion conn->read_event failed; aborting.
 main.c:338 connection_stop_reading: Assertion conn->read_event failed;
 aborting.
 Aborted
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4753#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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