In getReadIndex and getWriteIndex of FifoControllerBase.cpp, there is a possible out-of-bounds write due to an integer overflow. This could…

In getReadIndex and getWriteIndex of FifoControllerBase.cpp, there is a possible out-of-bounds write due to an integer overflow. This could lead to local escalation of privilege in the audio server with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9Android ID: A-120789744