int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
{
	flush_fp_to_thread(src);
 	flush_altivec_to_thread(src);
 	flush_vsx_to_thread(src);
 	flush_spe_to_thread(src);
	/*
	 * Flush TM state out so we can copy it.  __switch_to_tm() does this
	 * flush but it removes the checkpointed state from the current CPU and
	 * transitions the CPU out of TM mode.  Hence we need to call
	 * tm_recheckpoint_new_task() (on the same task) to restore the
	 * checkpointed state back and the TM mode.
	 */
	__switch_to_tm(src);
	tm_recheckpoint_new_task(src);
 
 	*dst = *src;
 
	clear_task_ebb(dst);

	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.