Corpus for io_cancel:

Coverage	Program
320	io_setup-io_cancel
153	perf_event_open-perf_event_open-ioctl$FS_IOC_GETFSMAP-io_cancel-ioctl$HIDIOCGUSAGES
114	io_cancel
81	epoll_create1-io_setup-io_submit-io_cancel
38	io_cancel
37	io_cancel