[tor-bugs] #25505 [Core Tor]: Netflow padding should inspect circuitmux queues

[Tor Bug Tracker & Wiki]

#25505: Netflow padding should inspect circuitmux queues
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     Reporter:  mikeperry  |      Owner:  (none)
         Type:  defect     |     Status:  assigned
     Priority:  Medium     |  Milestone:
    Component:  Core Tor   |    Version:
     Severity:  Normal     |   Keywords:
Actual Points:             |  Parent ID:
       Points:             |   Reviewer:
      Sponsor:             |
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 The netflow padding code only tries to transmit padding if the link is
 otherwise idle. Dgoulet pointed out that checking the channel outbuf is
 not enough -- since kist that is now mostly empty. We need to inspect the
 circuitmux queue also.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25505>
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