diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d7449783987a2bee7dea147e02530f36ff23dfba..4589b67168fc04d39305290fa7562e46b24e31e0 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1193,6 +1193,7 @@ int trace_parser_get_init(struct trace_parser *parser, int size)
 void trace_parser_put(struct trace_parser *parser)
 {
 	kfree(parser->buffer);
+	parser->buffer = NULL;
 }
 
 /*