🐞 fix(improve robustness, check input para):

1 files changed, 2 insertions, 0 deletions

diff --git a/test/packet_inject/packet_inject.cpp b/test/packet_inject/packet_inject.cpp
index 0ffdc61..04e8851 100644
--- a/test/packet_inject/packet_inject.cpp
+++ b/test/packet_inject/packet_inject.cpp
@@ -428,6 +428,8 @@ static void on_sess_free(struct session *sess, void *sess_ctx, void *plugin_ctx)
 
 static void on_sess_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
 {
+    if(msg==NULL)return;// session closing, return directly
+
     char buffer[1024] = {0};
     struct packet *pkt = (struct packet *)msg;
     struct plugin_ctx *ctx = (struct plugin_ctx *)plugin_ctx;