[tor-bugs] #22672 [Core Tor/Tor]: Defensive programming: ensure no infinite COMPRESS_OK loops

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jun 20 16:25:22 UTC 2017


#22672: Defensive programming: ensure no infinite COMPRESS_OK loops
------------------------------+--------------------------------
     Reporter:  nickm         |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.1.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------
 There's a possible failure mode if we've screwed up in our compression
 backends: we might say "COMPRESS_OK" over and over, while not making any
 progress.  The changes I'm suggesting in #22629 turn this possible bug
 into a possible infinite loop.

 I don't think this failure mode actually exists today, but let's prevent
 it anyway, by treating a COMPRESS_OK that makes no progress as if it were
 an error, and a BUG.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22672>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online


More information about the tor-bugs mailing list