fix:The life cycle of mbuf and trace buffer is the samev4.8.7-20240511

1 files changed, 5 insertions, 0 deletions

diff --git a/infra/src/dp_trace.c b/infra/src/dp_trace.c
index 95ddfbc..c9e51bf 100644
--- a/infra/src/dp_trace.c
+++ b/infra/src/dp_trace.c
@@ -448,6 +448,11 @@ void dp_trace_record_write(struct dp_trace_process * trace, struct rte_mbuf * mb
     struct mrb_metadata * mrb_meta = rte_mbuf_to_priv(mbuf);
     struct dp_trace_buffer * dp_trace_buffer = mrb_meta->dp_trace_buffer;
 
+    if (rte_mbuf_refcnt_read(mbuf) != 1)
+    {
+        return;
+    }
+
     if (dp_trace_buffer != NULL)
     {
         rte_mbuf_refcnt_update(mbuf, 1);