This talk shows how two bugs involving somewhat narrow-looking race windows (https://crbug.com/project-zero/1695 in the Linux kernel, https://crbug.com/project-zero/1741 in Android userspace code) can be stretched wide enough to win the race conditions on a Google Pixel 2 phone, running a Linux 4.4 kernel, by making use of the unprivileged sched_*() syscalls.

source: grugq