[tor-bugs] #24011 [Core Tor/Tor]: Attempt to open a stream on first hop of circuit

[Tor Bug Tracker & Wiki]

#24011: Attempt to open a stream on first hop of circuit
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     Reporter:  teor          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.2.x-final
    Component:  Core Tor/Tor  |    Version:  Tor: 0.3.2.2-alpha
     Severity:  Normal        |   Keywords:  tor-circuit
Actual Points:                |  Parent ID:
       Points:  1             |   Reviewer:
      Sponsor:                |
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 I'm seeing these warnings in chutney on recent tor releases.
 They seem to have appeared in the last week or two.

 Did we merge something that tries to block single-hop exits recently?
 Or any changes to circuit creation code?

 Because I think it might be buggy.

 {{{
 Warning: Attempt by 127.0.0.1:59488 to open a stream on first hop of
 circuit. Closing. Number: 1
 Warning: circuit_receive_relay_cell (backward) failed. Closing. Number: 1
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24011>
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