static int nfs4_map_errors(int err)
{
	if (err >= -1000)
		return err;
	switch (err) {
	case -NFS4ERR_RESOURCE:
		return -EREMOTEIO;
	case -NFS4ERR_WRONGSEC:
		return -EPERM;
	case -NFS4ERR_BADOWNER:
	case -NFS4ERR_BADNAME:
		return -EINVAL;
	default:
		dprintk("%s could not handle NFSv4 error %d\n",
				__func__, -err);
		break;
	}
	return -EIO;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.