tree bb50e9ebcdb56a8c4b21778e4ea7cae8f5921781
parent 1a0ecf28b97b243f1f83e1a5ca16f1c59de39f20
author Praveen Chavan <pchavan@codeaurora.org> 1460421175 -0700
committer The Android Automerger <android-build@google.com> 1461297631 -0700

DO NOT MERGE mm-video-v4l2: venc: add safety checks for freeing buffers

Allow only up to 64 buffers on input/output port (since the
allocation bitmap is only 64-wide).
Add safety checks to free only as many buffers were allocated.

Fixes: Heap Overflow and Possible Local Privilege Escalation in
MediaServer (libOmxVenc problem)
Bug: 27532497

Change-Id: I31e576ef9dc542df73aa6b0ea113d72724b50fc6