[tor-bugs] #24860 [Core Tor/Tor]: Bug: Assertion cmux failed in circuitmux_get_policy at src/or/circuitmux.c

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#24860: Bug: Assertion cmux failed in circuitmux_get_policy at src/or/circuitmux.c
-------------------------+-------------------------------------------------
     Reporter:  dgoulet  |      Owner:  (none)
         Type:  defect   |     Status:  new
     Priority:  Medium   |  Milestone:  Tor: 0.3.3.x-final
    Component:  Core     |    Version:
  Tor/Tor                |   Keywords:  tor-relay, tor-sched, cmux, tor-
     Severity:  Normal   |  channel
Actual Points:           |  Parent ID:
       Points:           |   Reviewer:
      Sponsor:           |
-------------------------+-------------------------------------------------
 This was triggered during an heavy load on my relay for which all the RAM
 and disk space has been consumed:

 {{{
 Dec 15 20:44:20.612 [err] tor_assertion_failed_(): Bug:
 src/or/circuitmux.c:630: circuitmux_get_policy: Assertion cmux failed;
 aborting. (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug: Assertion cmux failed in
 circuitmux_get_policy at src/or/circuitmux.c:630. Stack trace: (on Tor
 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(log_backtrace+0x42) [0x55cac920c342] (on Tor
 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(tor_assertion_failed_+0x8d) [0x55cac922768d]
 (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(circuitmux_get_policy+0x57) [0x55cac9167d57]
 (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /home/relay/tor/src/or/tor(+0xb7f41)
 [0x55cac913ff41] (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(smartlist_pqueue_pop+0x156) [0x55cac9217196]
 (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /home/relay/tor/src/or/tor(+0xb9d7e)
 [0x55cac9141d7e] (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /home/relay/tor/src/or/tor(+0xb805f)
 [0x55cac914005f] (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x819) [0x7f38ac2544c9] (on Tor
 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(do_main_loop+0x24f) [0x55cac90db53f] (on Tor
 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(tor_run_main+0x265) [0x55cac90dc9c5] (on Tor
 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:
 /home/relay/tor/src/or/tor(tor_main+0x3a) [0x55cac90d621a] (on Tor 0.3.3.0
 -alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /home/relay/tor/src/or/tor(main+0x19)
 [0x55cac90d5f89] (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf0) [0x7f38aaf6d830] (on Tor 0.3.3.0
 -alpha-dev b1682551a6860a2b)
 Dec 15 20:44:20.678 [err] Bug:     /home/relay/tor/src/or/tor(_start+0x29)
 [0x55cac90d5fd9] (on Tor 0.3.3.0-alpha-dev b1682551a6860a2b)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24860>
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