static int __init apparmor_enabled_setup(char *str)
{
	unsigned long enabled;
	int error = strict_strtoul(str, 0, &enabled);
	if (!error)
		apparmor_enabled = enabled ? 1 : 0;
	return 1;
}

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.