diff --git a/mm/usercopy.c b/mm/usercopy.c
index f5c4c3a6f2df..f78015e8b1e5 100644
--- a/mm/usercopy.c
+++ b/mm/usercopy.c
@@ -84,7 +84,7 @@ static bool overlaps(const void *ptr, unsigned long n, unsigned long low,
 	unsigned long check_high = check_low + n;
 
 	/* Does not overlap if entirely above or entirely below. */
-	if (check_low >= high || check_high < low)
+	if (check_low >= high || check_high <= low)
 		return false;
 
 	return true;