tree b921cdd0911583d68e3de7fb48a9ef67b0883bd6
parent ae5db6d12341684913a78b6537c0b9c22c999b5c
author Richard Weinberger <richard@nod.at> 1405854555 +0200
committer Richard Weinberger <richard@nod.at> 1405854555 +0200

um: Ensure that a stub page cannot get unmapped

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>