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Re: [tor-bugs] #27759 [Core Tor/Tor]: 3 Bugs in Tor relay logs



#27759: 3 Bugs in Tor relay logs
--------------------------+----------------------------------
 Reporter:  fcornu        |          Owner:  (none)
     Type:  defect        |         Status:  closed
 Priority:  Medium        |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.4.8
 Severity:  Normal        |     Resolution:  duplicate
 Keywords:                |  Actual Points:
Parent ID:  #26434        |         Points:
 Reviewer:                |        Sponsor:
--------------------------+----------------------------------
Changes (by teor):

 * status:  new => closed
 * resolution:   => duplicate
 * parent:   => #26434
 * milestone:   => Tor: unspecified


Old description:

> Greetings, all :)
>
> Got these in my relay's log this morning
>
> `Sep 18 06:00:58.000 [warn] connection_dir_finished_flushing(): Bug:
> Emptied a dirserv buffer, but it's still spooling! (on Tor 0.3.4.8 )Sep
> 18 06:00:58.000 [warn] connection_mark_for_close_internal_(): Bug:
> Duplicate call to connection_mark_for_close at ../src/or/directory.c:5201
> (first at ../src/or/main.c:1210) (on Tor 0.3.4.8 )Sep 18 06:00:58.000
> [warn] tor_bug_occurred_(): Bug: ../src/or/connection.c:841:
> connection_mark_for_close_internal_: This line should not have been
> reached. (Future instances of this warning will be silenced.) (on Tor
> 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug: Line unexpectedly reached at
> connection_mark_for_close_internal_ at ../src/or/connection.c:841. Stack
> trace: (on Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/bin/tor(log_backtrace+0x44) [0x5605ad9f8354] (on Tor 0.3.4.8 )Sep 18
> 06:00:58.000 [warn] Bug:     /usr/bin/tor(tor_bug_occurred_+0xb9)
> [0x5605ada132f9] (on Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/bin/tor(connection_dir_finished_flushing+0xab) [0x5605ad9acd3b] (on
> Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/bin/tor(connection_handle_read+0xb7a) [0x5605ad98586a] (on Tor
> 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(+0x53afe)
> [0x5605ad8c3afe] (on Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5(event_base_loop+0x6a0)
> [0x7f5fe7ebb5a0] (on Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/bin/tor(do_main_loop+0x265) [0x5605ad8c5e95] (on Tor 0.3.4.8 )Sep 18
> 06:00:58.000 [warn] Bug:     /usr/bin/tor(tor_run_main+0x1175)
> [0x5605ad8c8685] (on Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:
> /usr/bin/tor(tor_main+0x3a) [0x5605ad8c04ba] (on Tor 0.3.4.8 )Sep 18
> 06:00:58.000 [warn] Bug:     /usr/bin/tor(main+0x19) [0x5605ad8c0229] (on
> Tor 0.3.4.8 )Sep 18 06:00:58.000 [warn] Bug:     /lib/x86_64-linux-
> gnu/libc.so.6(__libc_start_main+0xf1) [0x7f5fe67172e1] (on Tor 0.3.4.8
> )Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(_start+0x2a)
> [0x5605ad8c027a] (on Tor 0.3.4.8 )`
>
> As they appeared quite on the same time, I thought I'd report them in a
> single ticket, they may be related.
>
> Relay is 'wardsback'

New description:

 Greetings, all :)

 Got these in my relay's log this morning

 {{{
 Sep 18 06:00:58.000 [warn] connection_dir_finished_flushing(): Bug:
 Emptied a dirserv buffer, but it's still spooling! (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] connection_mark_for_close_internal_(): Bug:
 Duplicate call to connection_mark_for_close at ../src/or/directory.c:5201
 (first at ../src/or/main.c:1210) (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] tor_bug_occurred_(): Bug:
 ../src/or/connection.c:841: connection_mark_for_close_internal_: This line
 should not have been reached. (Future instances of this warning will be
 silenced.) (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug: Line unexpectedly reached at
 connection_mark_for_close_internal_ at ../src/or/connection.c:841. Stack
 trace: (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(log_backtrace+0x44)
 [0x5605ad9f8354] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(tor_bug_occurred_+0xb9)
 [0x5605ada132f9] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:
 /usr/bin/tor(connection_dir_finished_flushing+0xab) [0x5605ad9acd3b] (on
 Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:
 /usr/bin/tor(connection_handle_read+0xb7a) [0x5605ad98586a] (on Tor
 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(+0x53afe)
 [0x5605ad8c3afe] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x6a0) [0x7f5fe7ebb5a0] (on Tor
 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(do_main_loop+0x265)
 [0x5605ad8c5e95] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(tor_run_main+0x1175)
 [0x5605ad8c8685] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(tor_main+0x3a)
 [0x5605ad8c04ba] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(main+0x19)
 [0x5605ad8c0229] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf1) [0x7f5fe67172e1] (on Tor 0.3.4.8 )
 Sep 18 06:00:58.000 [warn] Bug:     /usr/bin/tor(_start+0x2a)
 [0x5605ad8c027a] (on Tor 0.3.4.8 )
 }}}

 As they appeared quite on the same time, I thought I'd report them in a
 single ticket, they may be related.

 Relay is 'wardsback'

--

Comment:

 Thanks for this bug report!

 This looks like a duplicate of #26434, but this line is not in the other
 bug report:
 {{{
 Sep 18 06:00:58.000 [warn] Bug: Line unexpectedly reached at
 connection_mark_for_close_internal_ at ../src/or/connection.c:841. Stack
 trace: (on Tor 0.3.4.8 )
 }}}

 The code hasn't changed, so it is possible that the original reporter
 missed the third bug.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27759#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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