diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 13cd224..5dd9626 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3478,6 +3478,7 @@
 	memset(&iter->seq, 0,
 	       sizeof(struct trace_iterator) -
 	       offsetof(struct trace_iterator, seq));
+	cpumask_clear(iter->started);
 	iter->pos = -1;
 
 	trace_event_read_lock();