[tor-bugs] #27750 [Core Tor/Tor]: conn_close_if_marked: Non-fatal assertion !(connection_is_writing(conn))

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#27750: conn_close_if_marked: Non-fatal assertion !(connection_is_writing(conn))
------------------------------------------+--------------------------------
 Reporter:  dgoulet                       |          Owner:  dgoulet
     Type:  defect                        |         Status:  new
 Priority:  Very High                     |      Milestone:  Tor:
                                          |  0.3.5.x-final
Component:  Core Tor/Tor                  |        Version:  Tor: 0.3.4.8
 Severity:  Normal                        |     Resolution:
 Keywords:  regression, assert, 035-must  |  Actual Points:
Parent ID:                                |         Points:
 Reviewer:                                |        Sponsor:
------------------------------------------+--------------------------------

Comment (by Felixix):

 '''conn_close_if_marked: Non-fatal assertion
 !(connection_is_reading(conn)) failed.'''

 As a singular event:

 {{{
 Nov 08 15:14:26.000 [warn] tor_bug_occurred_: Bug:
 src/core/mainloop/mainloop.c:1022: conn_close_if_marked: Non-fatal
 assertion !(connection_is_reading(conn)) failed. (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug: Non-fatal assertion
 !(connection_is_reading(conn)) failed in conn_close_if_marked at
 src/core/mainloop/mainloop.c:1022. Stack trace: (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x121aadc <log_backtrace_impl+0x4c> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x1216f01 <tor_bug_occurred_+0x111> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x1090840
 <tor_mainloop_free_all+0x540> at /usr/local/bin/tor (on Tor 0.3.5.3-alpha
 )
 Nov 08 15:14:26.000 [warn] Bug:     0x109000e
 <initialize_mainloop_events+0x3de> at /usr/local/bin/tor (on Tor
 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x801b63d22
 <event_base_assert_ok_nolock_+0xa92> at /usr/local/lib/libevent-2.1.so.6
 (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x801b5fe6f <event_base_loop+0x51f> at
 /usr/local/lib/libevent-2.1.so.6 (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x1090171 <do_main_loop+0x141> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x107e6ef <tor_run_main+0x70f> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x107c906 <tor_main+0x66> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x107c5b9 <main+0x19> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 Nov 08 15:14:26.000 [warn] Bug:     0x107c3c5 <_start+0xa5> at
 /usr/local/bin/tor (on Tor 0.3.5.3-alpha )
 }}}

 Started here:

 {{{
 Oct 28 02:11:06.109 [notice] Tor 0.3.5.3-alpha running on FreeBSD with
 Libevent 2.1.8-stable, OpenSSL LibreSSL 2.7.4, Zlib 1.2.11, Liblzma 5.2.3,
 and Libzstd 1.3.5.
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27750#comment:31>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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