[ALPS05390740] ION: security issue: add more va check
1. Add more valid check by vma info
2. Add ION info in vma struct to check whether va belongs to ION buffer va.
MTK-Commit-Id: cce308e0af904b82bd226bea214bc2794ace3f6b
Change-Id: I284c7cdeb6754203f5dbab7d8f7bfffe3c1d232a
Signed-off-by:
Guangming Cao <Guangming.Cao@mediatek.com>
CR-Id: ALPS05390740
Feature: ION
(cherry picked from commit 2ac68285d79aeb32c4ec46040e89c6c976b56f95)
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