[tor-bugs] #3390 [Tor Relay]: Tor exit node crashed

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#3390: Tor exit node crashed
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 Reporter:  whabib     |          Owner:                    
     Type:  defect     |         Status:  new               
 Priority:  major      |      Milestone:  Tor: 0.2.2.x-final
Component:  Tor Relay  |        Version:                    
 Keywords:             |         Parent:                    
   Points:             |   Actualpoints:                    
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Comment(by nickm):

 suspicious: routerlist_insert_old and signed_descriptor_from_routerinfo
 both free a routerinfo without guaranteeing that it's been removed from
 desc_by_eid_map.  If either one can be called on a routerinfo_t that's
 already in the desc_by_eid_map without first removing it, that would
 account for this bug.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3390#comment:5>
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