[tor-bugs] #10363 [Tor]: Avoid additional pointer overflow in channeltls.c:channel_tls_process_certs_cells

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#10363: Avoid additional pointer overflow in
channeltls.c:channel_tls_process_certs_cells
------------------------+-------------------------------------------------
     Reporter:  nickm   |      Owner:
         Type:  defect  |     Status:  new
     Priority:  major   |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor     |    Version:
   Resolution:          |   Keywords:  024-backport 023-backport tor-relay
Actual Points:          |  Parent ID:
       Points:          |
------------------------+-------------------------------------------------

Comment (by nickm):

 Patch in branch "bug10363_024" in my public repository.  Needs review;
 this is getting a bit ugly. Can anybody suggest a better pattern? Let's
 also hunt for more instances.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10363#comment:3>
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