Re: [tor-bugs] #15901 [Tor]: apparent memory corruption -- very difficult to isolate

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

#15901: apparent memory corruption -- very difficult to isolate
---------------------------+--------------------------------
     Reporter:  starlight  |      Owner:
         Type:  defect     |     Status:  new
     Priority:  critical   |  Milestone:  Tor: 0.2.7.x-final
    Component:  Tor        |    Version:  Tor: 0.2.5.12
   Resolution:             |   Keywords:
Actual Points:             |  Parent ID:
       Points:             |
---------------------------+--------------------------------

Comment (by starlight):

 Again!

 I noticed this earlier, but with this incident
 it's appears nearly certain that a requirement
 for the failure is that the consensus weight
 increase sharply.  Happened with these recent
 two incidents (consensus weight is oscillating
 between ~10000 and ~18000) and I noticed it
 with at least one other.  Might go back and
 look at the consensus record for all five
 failures.

 Perhaps the bug is in some code that runs
 only when the consensus goes up.  That would
 certainly make it difficult to reproduce.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15901#comment:12>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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