static int apparmor_ptrace_traceme(struct task_struct *parent)
{
	int error = cap_ptrace_traceme(parent);
	if (error)
		return error;

	return aa_ptrace(parent, current, PTRACE_MODE_ATTACH);
}

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.