[tor-bugs] #33375 [Core Tor/Tor]: Stop advertising an IPv6 exit policy when DNS is broken for IPv6

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#33375: Stop advertising an IPv6 exit policy when DNS is broken for IPv6
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  neel
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.4.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.9.14
 Severity:  Normal                               |     Resolution:
 Keywords:  security-review-dos-risk, extra-     |  Actual Points:
  review, no-backport, ipv6, tor-exit, tor-dns   |
Parent ID:  #24833                               |         Points:
 Reviewer:  teor                                 |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by neel):

 * status:  needs_revision => needs_review


Comment:

 I added unit tests. However, this still only counts DNS errors on timeout.

 Setting as needs review, feel free to put as needs revision if more DNS
 errors are necessary.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33375#comment:7>
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