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



#25976: connection_dir_finished_flushing(): Bug: called in unexpected state 3
----------------------------------+----------------------------------
 Reporter:  dgoulet               |          Owner:  (none)
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor          |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  regression, 034-must  |  Actual Points:
Parent ID:                        |         Points:
 Reviewer:                        |        Sponsor:
----------------------------------+----------------------------------

Comment (by arma):

 Hit this on moria1 too.

 {{{
 Jun 22 11:00:10.976 [warn] connection_dir_finished_flushing(): Bug: called
 in unexpected state 3. (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:10.977 [warn] tor_bug_occurred_(): Bug:
 src/or/directory.c:5238: connection_dir_finished_flushing: This line
 should not have been reached. (Future instances of this warning will be
 silenced.) (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug: Line unexpectedly reached at
 connection_dir_finished_flushing at src/or/directory.c:5238. Stack trace:
 (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(log_backtrace+0x42)
 [0x560ad42dd842] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 ../git/src/or/tor(tor_bug_occurred_+0xca) [0x560ad42f853a] (on Tor 0.3.5.0
 -alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 ../git/src/or/tor(connection_dir_finished_flushing+0x195) [0x560ad428c9b5]
 (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 ../git/src/or/tor(connection_handle_write+0x68e) [0x560ad4267cde] (on Tor
 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(+0x5244e)
 [0x560ad41a744e] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 /usr/lib64/libevent-2.0.so.5(event_base_loop+0x53c) [0x7fd0165b5f8c] (on
 Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(do_main_loop+0x47c)
 [0x560ad41a87ec] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(tor_run_main+0x28c)
 [0x560ad41a8c1c] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(tor_main+0x43)
 [0x560ad41a08d3] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(main+0x19)
 [0x560ad41a0769] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 /lib64/libc.so.6(__libc_start_main+0xfd) [0x7fd0157d1d1d] (on Tor 0.3.5.0
 -alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(+0x4b679)
 [0x560ad41a0679] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] conn_write_callback(): Bug: unhandled error on
 write for Directory connection (fd 1112); removing (on Tor 0.3.5.0-alpha-
 dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] tor_bug_occurred_(): Bug: src/or/main.c:943:
 conn_write_callback: This line should not have been reached. (Future
 instances of this warning will be silenced.) (on Tor 0.3.5.0-alpha-dev
 e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug: Line unexpectedly reached at
 conn_write_callback at src/or/main.c:943. Stack trace: (on Tor 0.3.5.0
 -alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(log_backtrace+0x42)
 [0x560ad42dd842] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 ../git/src/or/tor(tor_bug_occurred_+0xca) [0x560ad42f853a] (on Tor 0.3.5.0
 -alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(+0x525d2)
 [0x560ad41a75d2] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:
 /usr/lib64/libevent-2.0.so.5(event_base_loop+0x53c) [0x7fd0165b5f8c] (on
 Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.008 [warn] Bug:     ../git/src/or/tor(do_main_loop+0x47c)
 [0x560ad41a87ec] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.009 [warn] Bug:     ../git/src/or/tor(tor_run_main+0x28c)
 [0x560ad41a8c1c] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.009 [warn] Bug:     ../git/src/or/tor(tor_main+0x43)
 [0x560ad41a08d3] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.009 [warn] Bug:     ../git/src/or/tor(main+0x19)
 [0x560ad41a0769] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.009 [warn] Bug:
 /lib64/libc.so.6(__libc_start_main+0xfd) [0x7fd0157d1d1d] (on Tor 0.3.5.0
 -alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.009 [warn] Bug:     ../git/src/or/tor(+0x4b679)
 [0x560ad41a0679] (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.079 [warn] connection_dir_finished_flushing(): Bug: called
 in unexpected state 3. (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 22 11:00:11.079 [warn] conn_write_callback(): Bug: unhandled error on
 write for Directory connection (fd 6260); removing (on Tor 0.3.5.0-alpha-
 dev e4e949e901400c85)
 }}}

 {{{
 Jun 24 16:00:14.963 [warn] connection_dir_finished_flushing(): Bug: called
 in unexpected state 3. (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 24 16:00:14.963 [warn] conn_write_callback(): Bug: unhandled error on
 write for Directory connection (fd 2386); removing (on Tor 0.3.5.0-alpha-
 dev e4e949e901400c85)
 Jun 24 16:00:14.963 [info] connection_dir_request_failed(): Giving up on
 downloading microdescriptors from directory server at '199.58.81.140';
 will retry

 Jun 24 16:00:15.267 [warn] connection_dir_finished_flushing(): Bug: called
 in unexpected state 3. (on Tor 0.3.5.0-alpha-dev e4e949e901400c85)
 Jun 24 16:00:15.267 [warn] conn_write_callback(): Bug: unhandled error on
 write for Directory connection (fd 1999); removing (on Tor 0.3.5.0-alpha-
 dev e4e949e901400c85)
 Jun 24 16:00:15.267 [info] connection_dir_request_failed(): Giving up on
 serverdesc/extrainfo fetch from directory server at '171.25.193.9';
 retrying
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25976#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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