static int isofs_iget5_set(struct inode *ino, void *data)
{
	struct iso_inode_info *i = ISOFS_I(ino);
	struct isofs_iget5_callback_data *d =
		(struct isofs_iget5_callback_data*)data;
	i->i_iget5_block = d->block;
	i->i_iget5_offset = d->offset;
	return 0;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.