Corpus for openat$ptmx:

Coverage	Program
2206	openat$ptmx
1715	openat$ptmx-ioctl$TIOCSPTLCK-ioctl$TCSETSW2
1587	perf_event_open-openat$ptmx
1564	openat$ptmx
1552	openat$ptmx
1540	execveat-perf_event_open-syz_io_uring_setup-openat$ptmx-mmap$IORING_OFF_SQ_RING-socketpair$unix-ioctl$AUTOFS_DEV_IOCTL_FAIL-syz_io_uring_submit-mmap$IORING_OFF_SQ_RING-fcntl$setstatus-io_uring_enter
1536	perf_event_open-openat$ptmx