[tor-bugs] #8766 [Tor]: Tor never recovers when started with skewed clock

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#8766: Tor never recovers when started with skewed clock
--------------------+-------------------------------------------------------
 Reporter:  proper  |          Owner:                    
     Type:  defect  |         Status:  new               
 Priority:  major   |      Milestone:  Tor: 0.2.5.x-final
Component:  Tor     |        Version:                    
 Keywords:          |         Parent:  #3059             
   Points:          |   Actualpoints:                    
--------------------+-------------------------------------------------------
 How to reproduce...

 Start Tor with a skewed clock. For example, +/- one week.

 Tor will detect, that the clock is skewed.

 {{{
 Received directory with skewed time (server '...'):
 It seems that our clock is ahead by 6 days, 23 hours,
 59 minutes, or that theirs is behind. Tor requires an
 accurate clock to work: please check your time,
 timezone, and date settings.

 I learned some more directory information, but not
 enough to build a circuit: We have no recent usable
 consensus.
 }}}

 Then reset clock back to correct time. Tor will also detect that.

 {{{
 Your system clock just jumped 604800 seconds backward;
 assuming established circuits no longer work.
 }}}

 Result:

 Tor still won't work (no connections possible).

 Expected result:

 Tor recovers and can now connect.

 Version:

 getinfo version: 250-version=0.2.3.25 (git-3fed5eb096d2d187)
 (On Debian Wheezy.)

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8766>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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