[tor-bugs] #27382 [Core Tor/Tor]: Bad valid-after time in 0.3.3 and 0.3.4

[Tor Bug Tracker & Wiki]

#27382: Bad valid-after time in 0.3.3 and 0.3.4
------------------------------+------------------------------
     Reporter:  teor          |      Owner:  teor
         Type:  defect        |     Status:  assigned
     Priority:  Medium        |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-auth
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------
 0.3.4 authorities will post votes that other authorities on 0.3.3 or 0.3.4
 consider too old:
 {{{
 $ grep -r "21:05:33" . | grep -v -e info -e debug | sort -k 3
 ./000a/notice.log:Aug 29 21:05:33.786 [notice] Time to vote.
 ./000a/notice.log:Aug 29 21:05:33.790 [notice] Choosing valid-after time
 in vote as 2018-08-29 11:05:35: consensus_set=0, last_interval=5
 ./000a/notice.log:Aug 29 21:05:33.803 [notice] Vote posted.
 ./002aOLD/notice.log:Aug 29 21:05:33.811 [warn] Rejected vote from
 127.0.0.1 ("Bad valid-after time").
 ./002aOLD/notice.log:Aug 29 21:05:33.811 [warn] Rejecting vote from
 127.0.0.1 with valid-after time of 2018-08-29 11:05:35; we were expecting
 2018-08-29 11:05:40
 ./003aOLD/notice.log:Aug 29 21:05:33.812 [warn] Rejected vote from
 127.0.0.1 ("Bad valid-after time").
 ./003aOLD/notice.log:Aug 29 21:05:33.812 [warn] Rejecting vote from
 127.0.0.1 with valid-after time of 2018-08-29 11:05:35; we were expecting
 2018-08-29 11:05:40
 ./001a/notice.log:Aug 29 21:05:33.813 [warn] Rejected vote from 127.0.0.1
 ("Bad valid-after time").
 ./001a/notice.log:Aug 29 21:05:33.813 [warn] Rejecting vote from 127.0.0.1
 with valid-after time of 2018-08-29 11:05:35; we were expecting 2018-08-29
 11:05:40
 ./000a/notice.log:Aug 29 21:05:33.815 [warn] http status 400 ("Bad valid-
 after time") response after uploading vote to dirserver '127.0.0.1:7002'.
 Please correct.
 ./000a/notice.log:Aug 29 21:05:33.818 [warn] http status 400 ("Bad valid-
 after time") response after uploading vote to dirserver '127.0.0.1:7003'.
 Please correct.
 ./000a/notice.log:Aug 29 21:05:33.820 [warn] http status 400 ("Bad valid-
 after time") response after uploading vote to dirserver '127.0.0.1:7001'.
 Please correct.
 ./000a/notice.log:Aug 29 21:05:33.835 [notice] Bootstrapped 80%:
 Connecting to the Tor network
 }}}

 But I've also seen 0.3.3 authorities reject their own votes for this
 reason.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27382>
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