Re: [tor-bugs] #9925 [Tor]: Directory Authorities can crash client/relay

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

#9925: Directory Authorities can crash client/relay
------------------------+--------------------------------
     Reporter:  sysrqb  |      Owner:
         Type:  defect  |     Status:  needs_review
     Priority:  normal  |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor     |    Version:
   Resolution:          |   Keywords:
Actual Points:          |  Parent ID:
       Points:          |
------------------------+--------------------------------

Comment (by sysrqb):

 Replying to [comment:5 nickm]:
 > Another option might be to mark the descriptor as "just don't download
 this."  Possibly that's a better idea.

 The latter idea seems better. I was looking at the available
 routerstatus_t fields, but it seemed abusive to use any of them. For this,
 I think it will be smarter just to disqualify the router for the current
 consensus period somehow.


 > > Is there a reason to pass seen_descriptor_digests as a parameter?
 >
 > It needs to stay around between invocations of
 routerstatus_parse_entry_from_string, since each call to
 routerstatus_parse_entry_from_string will parse only a single entry, but
 we want to check (as we parse each entry) whether we have seen *any*
 duplicate entries before.

 Ah, I missed that key fact, thanks.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9925#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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