From 773e9b817019e6e79f6701667026092051d3390e Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Tue, 31 Oct 2023 15:48:06 +0100
Subject: [PATCH] Added pointer check

---
 src/lib/ndpi_utils.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 645dfc12a81..fccc9459c81 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -1733,9 +1733,12 @@ static void ndpi_compile_rce_regex() {
 #endif
   }
 
-  ndpi_free((void *)pcreErrorStr);
+  if(pcreErrorStr != NULL)
+    ndpi_free((void *)pcreErrorStr);
 }
 
+/* ********************************** */
+
 static int ndpi_is_rce_injection(char* query) {
   if(!initialized_comp_rx) {
     ndpi_compile_rce_regex();