Corpus for ioctl$TCFLSH:

Coverage	Program
2580	perf_event_open-openat$ptmx-ioctl$TCFLSH
1733	perf_event_open-openat$ptmx-ioctl$TCFLSH
241	perf_event_open-openat$ptmx-ioctl$TCFLSH
208	openat$ptmx-ioctl$TCFLSH
179	syz_open_dev$tty1-ioctl$TCFLSH
172	openat$ptmx-ioctl$TCFLSH