tree c779c7a48e7fa41b4aad0cb1f7bb4953fde241cc
parent c36a970fcd4878eafd03d41eeff0a4cbdd400326
author Josh Gao <jmgao@google.com> 1492479086 -0700
committer Josh Gao <jmgao@google.com> 1492549460 -0700

base: add SafeCopy.

Add a function that uses process_vm_readv on Linux to safely
dereference pointers without the risk of segfault.

Bug: http://b/30836730
Test: safe_copy_test on host
Change-Id: I10bafcffe2172e17b00f65455d1dd6a08aa631d7