
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