[tor-bugs] #23693 [Core Tor/Tor]: 0.3.1.7: Assertion threadpool failed in cpuworker_queue_work

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#23693: 0.3.1.7: Assertion threadpool failed in cpuworker_queue_work
-------------------------------------------------+-------------------------
 Reporter:  alif                                 |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  reopened
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.4.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.1.9
 Severity:  Normal                               |     Resolution:
 Keywords:  prop286, 034-triage-20180328,        |  Actual Points:
  034-must crash 033-backport 032-backport       |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by arma):

 Replying to [comment:21 arma]:
 > Running maint-0.3.2, I start my Tor client with
 {{{fetchuselessdescriptors 1 dirport 9030}}}, and on startup I get this
 stacktrace and abort

 To be clear, this is repeatable. I just did it again now, with Tor master:
 {{{
 Apr 09 21:59:53.749 [err] Bug: Assertion threadpool failed in
 cpuworker_queue_work at src/or/cpuworker.c:510. Stack trace: (on Tor
 0.3.4.0-alpha-dev 21c81348a39dd235)
 Apr 09 21:59:53.749 [err] Bug:     src/or/tor(log_backtrace+0x42)
 [0x5649ed2260b2] (on Tor 0.3.4.0-alpha-dev 21c81348a39dd235)
 Apr 09 21:59:53.749 [err] Bug:     src/or/tor(tor_assertion_failed_+0x8c)
 [0x5649ed24140c] (on Tor 0.3.4.0-alpha-dev 21c81348a39dd235)
 Apr 09 21:59:53.749 [err] Bug:     src/or/tor(cpuworker_queue_work+0x6f)
 [0x5649ed1c9cbf] (on Tor 0.3.4.0-alpha-dev 21c81348a39dd235)
 Apr 09 21:59:53.749 [err] Bug:     src/or/tor(consdiffmgr_rescan+0x839)
 [0x5649ed1bc169] (on Tor 0.3.4.0-alpha-dev 21c81348a39dd235)
 [...]
 }}}
 You could too, I think!

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23693#comment:27>
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