Yaowu Xu 669e7b7454 Prevent invalid read
This commit adds a check before reading into RefBuffer to prevent OOB
read.

BUG=https://bugs.chromium.org/p/chromium/issues/detail?id=612023

(cherry picked from commit 4f0e4d6cef827bc452848e126a6bedc47424da88)

Change-Id: I4f0732d4ca92f79b57103bffcff15499073e79a4
2016-07-18 11:29:59 -07:00
..
2016-07-18 11:29:59 -07:00
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2015-09-09 23:15:59 -07:00