[tor-bugs] #15421 [Core Tor/Tor]: Relay crash when reloading and resolv.conf is empty

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#15421: Relay crash when reloading and resolv.conf is empty
-------------------------------------------------+-------------------------
 Reporter:  TvdW                                 |          Owner:
     Type:  defect                               |         Status:  new
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.7.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-relay resolv.conf  dns dos-      |  Actual Points:
  maybe                                          |
Parent ID:  #21900                               |         Points:  small
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by teor):

 * keywords:  tor-relay resolv.conf  dns => tor-relay resolv.conf  dns dos-
     maybe
 * milestone:  Tor: unspecified => Tor: 0.3.3.x-final


Comment:

 This could be a potential DoS risk if DNS goes down for an exit, and it is
 HUP'ed while DNS its down. It would be nice to get it fixed in the next
 year or so.

 Damian, can you confirm that your system is non-macOS?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15421#comment:10>
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