[tor-bugs] #24735 [Core Tor/Tor]: Always check for the null address when calling address functions

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#24735: Always check for the null address when calling address functions
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 Reporter:  teor             |          Owner:  (none)
     Type:  defect           |         Status:  new
 Priority:  Medium           |      Milestone:  Tor: 0.3.4.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  ipv6, tor-relay  |  Actual Points:
Parent ID:  #24403           |         Points:  1
 Reviewer:                   |        Sponsor:  SponsorV-can
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Comment (by meryemz):

 Here is my patch for this ticket:
 https://github.com/mary-em/torprojet-tor/tree/t-24735

 And I think it is necessary as well for other address functions to check
 for the null address when calling them such as:
  node_get_prim_orport()
  node_get_pref_dirport()

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24735#comment:2>
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