Corpus for openat$tun:

Coverage	Program
787	fcntl$setown-perf_event_open-syz_emit_ethernet-openat2-ioctl$sock_SIOCGIFINDEX-dup3-write$tun-syz_emit_ethernet-socket$inet-ioctl$sock_inet_SIOCDARP-sendmsg$DEVLINK_CMD_SB_POOL_SET-ioctl$FS_IOC_FSGETXATTR-perf_event_open-openat$tun-ioctl$TUNSETQUEUE
714	ioctl$TCSETSF2-pidfd_getfd-perf_event_open-ioctl$BTRFS_IOC_INO_LOOKUP-openat$tun-ioctl$TUNSETQUEUE-io_uring_setup-socket$inet-ioctl$sock_inet_SIOCGIFNETMASK-ioctl$TUNSETLINK-openat$sysfs-preadv-ioctl$TUNSETQUEUE