[apparmor] [Bug 903579] [NEW] AppArmor change_hat slow when lots of hats are loaded

[John Johansen]

Public bug reported:

The apparmor change_hat api uses a linear scan of all hats loaded.
Which causes it to slow down as the list gets longer.  This should be
transitioned to a better data structure to make the match faster.

** Affects: apparmor
     Importance: Wishlist
         Status: New

** Changed in: apparmor
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/903579

Title:
  AppArmor change_hat slow when lots of hats are loaded

Status in AppArmor Linux application security framework:
  New

Bug description:
  The apparmor change_hat api uses a linear scan of all hats loaded.
  Which causes it to slow down as the list gets longer.  This should be
  transitioned to a better data structure to make the match faster.

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