[tor-bugs] #24393 [Core Tor/Tor]: Clients should check IPv4 and IPv6 subnets when choosing circuit paths

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#24393: Clients should check IPv4 and IPv6 subnets when choosing circuit paths
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  neel
     Type:  enhancement                          |         Status:
                                                 |  merge_ready
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.6.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ipv6, intro, tor-dirauth, security,  |  Actual Points:
  sybil, 034-triage-20180328,                    |
  034-removed-20180328                           |
Parent ID:  #24403                               |         Points:
 Reviewer:  dgoulet                              |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by dgoulet):

 * status:  needs_review => merge_ready


Comment:

 I've created a more recent branch with this. The branch is was based on
 has a unit test issue with expensive hardening on. I pushed a fixup commit
 to address the `make check-spaces` issue.

 Branch: `ticket24393_036_01`
 PR: https://github.com/torproject/tor/pull/460

 Once CI passes, this lgtm; Needs an autosquash!

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24393#comment:20>
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