CVE-2013-4254: detect perf_event validate_event bug

Credit: https://github.com/deater/perf_event_tests/blob/master/exploits/arm_perf_exploit.c
More info: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4254
Bug: 11260636

Change-Id: Ie10c0d7869729b7b53e5a5c321103fa20ab11416
2 files changed