Corpus for ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF:

Coverage	Program
351	openat$rtc-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF
123	recvmsg$unix-openat$rtc-ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-dup-perf_event_open-fstat-ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF
110	openat$rtc-dup-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF