CVE-2017-8244: Concurrent Execution using Shared Resource with Improper Synchronization

In coreinforead and instinforead in all Android releases from CAF using the Linux kernel, variable "dbgbuf", "dbgbuf-curr" and "dbgbuf-filledsize" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race condition...