static long hiddev_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	return hiddev_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.