diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 27b17ea44f74..bdd7f3d78724 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5766,6 +5766,7 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 	       sizeof(struct trace_iterator) -
 	       offsetof(struct trace_iterator, seq));
 	cpumask_clear(iter->started);
+	trace_seq_init(&iter->seq);
 	iter->pos = -1;
 
 	trace_event_read_lock();