[tor-bugs] #24167 [- Select a component]: connection_check_event: Bug: Event missing on connection

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Nov 8 00:40:24 UTC 2017


#24167: connection_check_event: Bug: Event missing on connection
--------------------------------------+--------------------
     Reporter:  Felixix               |      Owner:  (none)
         Type:  defect                |     Status:  new
     Priority:  Medium                |  Milestone:
    Component:  - Select a component  |    Version:
     Severity:  Normal                |   Keywords:
Actual Points:                        |  Parent ID:
       Points:                        |   Reviewer:
      Sponsor:                        |
--------------------------------------+--------------------
 Hi everybody

 The following bug appeared:
 connection_check_event: Bug: Event missing on connection

 It's before hand a #23751 bug which is re-opened for it.

 {{{
 Tor 0.3.2.3-alpha (git-023d756bfc04c244) running on FreeBSD with Libevent
 2.1.8-stable, OpenSSL LibreSSL 2.5.4, Zlib 1.2.8, Liblzma 5.2.2, and
 Libzstd 1.3.2.
 }}}

 Tor memory is about 5 GB according to:
 {{{
 MaxMemInQueues 5 GB
 }}}

 {{{
 Nov 06 20:45:27.000 [notice] Heartbeat: Tor's uptime is 9 days 2:59 hours,
 with 89916 circuits open. I've sent 6246.15 GB and received 6171.99 GB.
 Nov 06 20:45:27.000 [notice] Circuit handshake stats since last time:
 31997/31997 TAP, 402465/402465 NTor.
 Nov 06 20:45:27.000 [notice] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 3 v3 connections, and 297718 v4
 connections; and received 2284 v1 connections, 47407 v2 connections,
 113778 v3 connections, and 907883 v4 connections.
 Nov 06 21:45:27.000 [notice] Heartbeat: Tor's uptime is 9 days 3:59 hours,
 with 156766 circuits open. I've sent 6284.75 GB and received 6211.71 GB.
 Nov 06 21:45:27.000 [notice] Circuit handshake stats since last time:
 34286/34286 TAP, 399076/399076 NTor.
 Nov 06 21:45:27.000 [notice] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 3 v3 connections, and 298544 v4
 connections; and received 2290 v1 connections, 47654 v2 connections,
 114327 v3 connections, and 911591 v4 connections.
 Nov 06 22:32:42.000 [warn] connection_check_event: Bug: Event missing on
 connection 0x80f227b00 [OR;open]. socket=-1. linked=0. is_dns_request=0.
 Marked_for_close=src/or/connection.c:3894 (on Tor 0.3.2.3-alpha
 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug: Backtrace attached.. Stack trace: (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x11a2cd8 <log_backtrace+0x48> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1071f21
 <connection_is_reading+0x1c1> at /usr/local/bin/tor (on Tor 0.3.2.3-alpha
 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1071870
 <connection_start_reading+0x30> at /usr/local/bin/tor (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1127408
 <connection_bucket_refill+0x9a8> at /usr/local/bin/tor (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1073c8d <handle_signals+0xc2d> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x801b38d3e
 <event_base_assert_ok_nolock_+0xbce> at /usr/local/lib/libevent-2.1.so.6
 (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x801b34cfe <event_base_loop+0x50e> at
 /usr/local/lib/libevent-2.1.so.6 (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1072eb5 <do_main_loop+0x575> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x10752a9 <tor_main+0xe9> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1070d09 <main+0x19> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:32:42.000 [warn] Bug:     0x1070c01 <_start+0x1a1> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 06 22:45:27.000 [notice] Heartbeat: Tor's uptime is 9 days 4:59 hours,
 with 221777 circuits open. I've sent 6323.37 GB and received 6252.10 GB.
 Nov 06 22:45:27.000 [notice] Circuit handshake stats since last time:
 97470/97470 TAP, 379601/379601 NTor.
 Nov 06 22:45:27.000 [notice] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 3 v3 connections, and 299180 v4
 connections; and received 2303 v1 connections, 47866 v2 connections,
 114911 v3 connections, and 915142 v4 connections.
 Nov 06 23:45:27.000 [notice] Heartbeat: Tor's uptime is 9 days 6:00 hours,
 with 87446 circuits open. I've sent 6350.85 GB and received 6278.68 GB.
 Nov 06 23:45:27.000 [notice] Circuit handshake stats since last time:
 21046/21046 TAP, 409042/409042 NTor.
 Nov 06 23:45:27.000 [notice] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 3 v3 connections, and 300082 v4
 connections; and received 2314 v1 connections, 48042 v2 connections,
 115432 v3 connections, and 918682 v4 connections.
 Nov 07 00:45:27.000 [notice] Heartbeat: Tor's uptime is 9 days 6:59 hours,
 with 298896 circuits open. I've sent 6373.37 GB and received 6302.57 GB.
 Nov 07 00:45:27.000 [notice] Circuit handshake stats since last time:
 206885/206885 TAP, 394540/394540 NTor.
 Nov 07 00:45:27.000 [notice] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 3 v3 connections, and 300924 v4
 connections; and received 2326 v1 connections, 48242 v2 connections,
 115999 v3 connections, and 922124 v4 connections.
 Nov 07 01:25:47.000 [warn] connection_check_event: Bug: Event missing on
 connection 0x80fac4980 [OR;open]. socket=-1. linked=0. is_dns_request=0.
 Marked_for_close=src/or/connection.c:3894 (on Tor 0.3.2.3-alpha
 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug: Backtrace attached.. Stack trace: (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x11a2cd8 <log_backtrace+0x48> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1071f21
 <connection_is_reading+0x1c1> at /usr/local/bin/tor (on Tor 0.3.2.3-alpha
 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1071870
 <connection_start_reading+0x30> at /usr/local/bin/tor (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1127408
 <connection_bucket_refill+0x9a8> at /usr/local/bin/tor (on Tor
 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1073c8d <handle_signals+0xc2d> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x801b38d3e
 <event_base_assert_ok_nolock_+0xbce> at /usr/local/lib/libevent-2.1.so.6
 (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x801b34cfe <event_base_loop+0x50e> at
 /usr/local/lib/libevent-2.1.so.6 (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1072eb5 <do_main_loop+0x575> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x10752a9 <tor_main+0xe9> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1070d09 <main+0x19> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:25:47.000 [warn] Bug:     0x1070c01 <_start+0x1a1> at
 /usr/local/bin/tor (on Tor 0.3.2.3-alpha 023d756bfc04c244)
 Nov 07 01:27:51.000 [notice] We're low on memory.  Killing circuits with
 over-long queues. (This behavior is controlled by MaxMemInQueues.)
 Nov 07 01:27:52.000 [notice] Removed 824368 bytes by killing 519528
 circuits; 0 circuits remain alive. Also killed 0 non-linked directory
 connections.
 Nov 07 01:27:55.000 [notice] We're low on memory.  Killing circuits with
 over-long queues. (This behavior is controlled by MaxMemInQueues.)
 Nov 07 01:27:55.000 [notice] Removed 528 bytes by killing 163 circuits; 0
 circuits remain alive. Also killed 0 non-linked directory connections.
 Nov 07 01:27:55.000 [notice] We're low on memory.  Killing circuits with
 over-long queues. (This behavior is controlled by MaxMemInQueues.)
 Nov 07 01:27:55.000 [notice] Removed 528 bytes by killing 170 circuits; 0
 circuits remain alive. Also killed 0 non-linked directory connections.
 Nov 07 01:27:55.000 [notice] We're low on memory.  Killing circuits with
 over-long queues. (This behavior is controlled by MaxMemInQueues.)
 Nov 07 01:27:55.000 [notice] Removed 528 bytes by killing 455 circuits; 0
 circuits remain alive. Also killed 0 non-linked directory connections.
 }}}

 Cheers !

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24167>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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