[tor-bugs] #2385 [Tor Hidden Services]: rendservice.c: cleanup stack stored key material

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#2385: rendservice.c: cleanup stack stored key material
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    Reporter:  cypherpunks         |        Type:  defect             
      Status:  needs_review        |    Priority:  normal             
   Milestone:  Tor: 0.2.3.x-final  |   Component:  Tor Hidden Services
     Version:                      |    Keywords:  audit              
      Parent:                      |      Points:                     
Actualpoints:                      |  
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Comment(by nickm):

 Looks good!  Notes to myself:

  * In rend_service_load_keys in 9f55dfd91561643, I think the duplicated
 free code is somewhat worrisome. I should check whether there's a reason
 not to use the goto err/goto done pattern there.
  * Same function, ab2e007ffbb6a6c, there are some internal spaces between
 the parens in the "if ( ... )" and the tested thing.
  * In the changes file, a changelog entry that says it's a bugfix is
 supposed to say what the bug number was and version the bug appeared in.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2385#comment:12>
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