[tor-bugs] #23159 [Core Tor/Tor]: Bug: Non-fatal assertion ei failed in launch_intro_point_circuits at src/or/hs_service.c:1784

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#23159: Bug: Non-fatal assertion ei failed in launch_intro_point_circuits at
src/or/hs_service.c:1784
-----------------------------+------------------------------------
 Reporter:  asn              |          Owner:  (none)
     Type:  defect           |         Status:  new
 Priority:  Medium           |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  tor-hs, prop224  |  Actual Points:
Parent ID:                   |         Points:  0.2
 Reviewer:                   |        Sponsor:
-----------------------------+------------------------------------

Comment (by asn):

 I just got this again on my `prop224_unity` hidden service. Here is a hint
 from the info logs:
 {{{
 Sep 02 05:02:11.000 [info] hs_circ_launch_intro_point(): Launching a
 circuit to intro point
 $6D61AF550F3C13799FD43C5ACE7474EA7723C3FF~hansdahlss
 on at 178.62.18.161 for service
 4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.
 Sep 02 05:02:11.000 [info] circuit_launch_by_extend_info(): Cannibalizing
 circ 'Tor4wohjipahmi' for purpose 14 (Hidden service: Establishing int
 roduction point)
 Sep 02 05:02:11.000 [info] circuit_send_intermediate_onion_skin(): Sending
 extend relay cell.
 Sep 02 05:02:11.000 [warn] tor_bug_occurred_(): Bug:
 src/or/hs_service.c:1903: launch_intro_point_circuits: Non-fatal assertion
 ei failed. (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug: Non-fatal assertion ei failed in
 launch_intro_point_circuits at src/or/hs_service.c:1903. Stack trace: (on
 Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(log_backtrace+0x44)
 [0x55ee845d2ce4] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(tor_bug_occurred_+0xb9)
 [0x55ee845ebca9] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:
 ./src/or/tor(hs_service_run_scheduled_events+0x1ab8) [0x55ee845c4fb8] (on
 Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(+0x4e781)
 [0x55ee8449f781] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(+0x6d990)
 [0x55ee844be990] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x6a0) [0x7ff1cd4b15a0] (on Tor
 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(do_main_loop+0x23d)
 [0x55ee844a2c1d] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(tor_main+0x1c25)
 [0x55ee844a6605] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(main+0x19)
 [0x55ee8449e459] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf1) [0x7ff1cc19a2e1] (on Tor 0.3.2.0
 -alpha-dev 63e26b216a0c463b)
 Sep 02 05:02:11.000 [warn] Bug:     ./src/or/tor(_start+0x2a)
 [0x55ee8449e4aa] (on Tor 0.3.2.0-alpha-dev 63e26b216a0c463b)
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23159#comment:4>
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