um: Ensure that a stub page cannot get unmapped
authorRichard Weinberger <richard@nod.at>
Sun, 20 Jul 2014 11:09:15 +0000 (13:09 +0200)
committerRichard Weinberger <richard@nod.at>
Sun, 20 Jul 2014 11:09:15 +0000 (13:09 +0200)
Trinity discovered an execution path such that a task
can unmap his stub page.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>

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