static int apparmor_ptrace_access_check(struct task_struct *child,
					unsigned int mode)
{
	int error = cap_ptrace_access_check(child, mode);
	if (error)
		return error;

	return aa_ptrace(current, child, mode);
}

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.