diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ab90a8541aaa..bb4af1bfcaf4 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -914,7 +914,7 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn)
 			start = slot + 1;
 	}
 
-	if (gfn >= memslots[start].base_gfn &&
+	if (start < slots->used_slots && gfn >= memslots[start].base_gfn &&
 	    gfn < memslots[start].base_gfn + memslots[start].npages) {
 		atomic_set(&slots->lru_slot, start);
 		return &memslots[start];