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[tor-bugs] #25976 [Core Tor/Tor]: connection_dir_finished_flushing(): Bug: called in unexpected state 3

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Subject: [tor-bugs] #25976 [Core Tor/Tor]: connection_dir_finished_flushing(): Bug: called in unexpected state 3
From: "Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>
Date: Mon, 30 Apr 2018 14:43:48 -0000
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#25976: connection_dir_finished_flushing(): Bug: called in unexpected state 3
------------------------------+----------------------------------
     Reporter:  dgoulet       |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.4.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  regression, 034-must
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+----------------------------------
 This from tor version git-302908657f492f06 on one of my test relay. It was
 immediately followed by another BUG() below. Note that relay is still
 running and seems well.

 Torrc has nothing special except:

 {{{
 BandwidthRate 400 KBytes
 }}}

 Stacktrace:

 {{{
 Apr 29 13:30:59.691 [warn] connection_dir_finished_flushing(): Bug: called
 in unexpected state 3. (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.691 [warn] tor_bug_occurred_(): Bug:
 src/or/directory.c:5248: connection_dir_finished_flushing: This line
 should not have been reached. (Future instances of this warning will be
 silenced.) (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug: Line unexpectedly reached at
 connection_dir_finished_flushing at src/or/directory.c:5248. Stack trace:
 (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(log_backtrace+0x42) [0x55811a451722] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_bug_occurred_+0xb9) [0x55811a46c559] (on
 Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(connection_dir_finished_flushing+0x12e)
 [0x55811a3fc6ee] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /home/relay/tor/src/or/tor(+0x108fcd)
 [0x55811a3d5fcd] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(connection_handle_write+0x2e) [0x55811a3d67ae]
 (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /home/relay/tor/src/or/tor(+0x534be)
 [0x55811a3204be] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x819) [0x7f0f91d364c9] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(do_main_loop+0x1a5) [0x55811a3217d5] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_run_main+0x275) [0x55811a322ed5] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_main+0x3a) [0x55811a31c40a] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /home/relay/tor/src/or/tor(main+0x19)
 [0x55811a31c179] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf0) [0x7f0f90a48830] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(_start+0x29) [0x55811a31c1c9] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] conn_write_callback(): Bug: unhandled error on
 write for Directory connection (fd 1588); removing (on Tor 0.3.4.0-alpha-
 dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] tor_bug_occurred_(): Bug: src/or/main.c:935:
 conn_write_callback: This line should not have been reached. (Future
 instances of this warning will be silenced.) (on Tor 0.3.4.0-alpha-dev
 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug: Line unexpectedly reached at
 conn_write_callback at src/or/main.c:935. Stack trace: (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(log_backtrace+0x42) [0x55811a451722] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_bug_occurred_+0xb9) [0x55811a46c559] (on
 Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /home/relay/tor/src/or/tor(+0x53692)
 [0x55811a320692] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x819) [0x7f0f91d364c9] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(do_main_loop+0x1a5) [0x55811a3217d5] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_run_main+0x275) [0x55811a322ed5] (on Tor
 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(tor_main+0x3a) [0x55811a31c40a] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /home/relay/tor/src/or/tor(main+0x19)
 [0x55811a31c179] (on Tor 0.3.4.0-alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf0) [0x7f0f90a48830] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)
 Apr 29 13:30:59.731 [warn] Bug:
 /home/relay/tor/src/or/tor(_start+0x29) [0x55811a31c1c9] (on Tor 0.3.4.0
 -alpha-dev 302908657f492f06)

 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25976>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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