Corpus for ioctl$NS_GET_PARENT:

Coverage	Program
3343	io_getevents-io_setup-clock_gettime-io_getevents-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-sendmsg$NL802154_CMD_GET_WPAN_PHY-syz_io_uring_submit-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-syz_open_procfs$userns-ioctl$NS_GET_PARENT-syz_open_dev$char_usb-clock_gettime-syz_init_net_socket$nl_generic
2183	syz_open_procfs$namespace-ioctl$NS_GET_PARENT
1955	syz_open_procfs$namespace-ioctl$NS_GET_PARENT