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[tor-bugs] #21621 [Core Tor/Tor]: Intro points can get stuck in CIRCUIT_PURPOSE_S_ESTABLISH_INTRO

#21621: Intro points can get stuck in CIRCUIT_PURPOSE_S_ESTABLISH_INTRO
------------------------------+--------------------------------
     Reporter:  teor          |      Owner:  teor
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.1.x-final
    Component:  Core Tor/Tor  |    Version:  Tor: 0.2.7.2-alpha
     Severity:  Normal        |   Keywords:  tor-hs
Actual Points:                |  Parent ID:
       Points:  1             |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------
 When a hidden service opens an introduction point circuit, there's nothing
 that checks that it actually receive an INTRO_ESTABLISHED cell within a
 reasonable timeout.

 So in remove_invalid_intro_points(), we should close circuits that have
 been in CIRCUIT_PURPOSE_S_ESTABLISH_INTRO for too long (60 seconds? 5
 minutes? Some dynamic interval?).

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21621>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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