diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 5a73b1e7a..8ad5275f0 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1737,6 +1737,10 @@ static u64 numa_get_avg_runtime(struct task_struct *p, u64 *period)
 	if (p->last_task_numa_placement) {
 		delta = runtime - p->last_sum_exec_runtime;
 		*period = now - p->last_task_numa_placement;
+
+		/* Avoid time going backwards, prevent potential divide error: */
+		if (unlikely((s64)*period < 0))
+			*period = 0;
 	} else {
 		delta = p->se.avg.load_sum / p->se.load.weight;
 		*period = LOAD_AVG_MAX;