[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:  gk               |          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:  #20657           |         Points:  0.2
 Reviewer:                   |        Sponsor:
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Comment (by David Goulet):

 My intuition is that `extend_info_from_node()` returns NULL for the intro
 point `node_t`. We might want to not BUG() on that since it can happen.

 Furthermore, we might also want to try to get the extend info object once
 we pick the intro point and if it fails, pick another one. It will assure
 us that even in 18 hours after being picked, we can safely have the extend
 information without being worried that it could fail.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23159#comment:2>
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