diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7b2fac0d446d9..1af51a68cae39 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7722,8 +7722,7 @@ static int detach_tasks(struct lb_env *env)
 			 * scheduler fails to find a good waiting task to
 			 * migrate.
 			 */
-
-			if ((load >> env->sd->nr_balance_failed) > env->imbalance)
+			if (shr_bound(load, env->sd->nr_balance_failed) > env->imbalance)
 				goto next;
 
 			env->imbalance -= load;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 0ddc9a6ff03a2..bb8bb06582c4b 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -204,6 +204,13 @@ static inline void update_avg(u64 *avg, u64 sample)
 	*avg += diff / 8;
 }
 
+/*
+ * Shifting a value by an exponent greater *or equal* to the size of said value
+ * is UB; cap at size-1.
+ */
+#define shr_bound(val, shift)							\
+	(val >> min_t(typeof(shift), shift, BITS_PER_TYPE(typeof(val)) - 1))
+
 /*
  * !! For sched_setattr_nocheck() (kernel) only !!
  *