Public bug reported:

hash_sem_inc_count() and hash_sem_dec_count() can segfault if the hash
returned by hash_sem_handle()  is negative. Return unsigned ints
instead.

** Affects: fwts (Ubuntu)
     Importance: Medium
     Assignee: Colin King (colin-king)
         Status: Fix Committed

** Changed in: fwts (Ubuntu)
       Status: New => In Progress

** Changed in: fwts (Ubuntu)
   Importance: Undecided => Medium

** Changed in: fwts (Ubuntu)
     Assignee: (unassigned) => Colin King (colin-king)

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https://bugs.launchpad.net/bugs/816819

Title:
  fwts: hash_sem_handle() should return unsigned int, can cause
  segfaults on pointers

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