From c43b17f1bc2b5c393b85259d9bd16635ed3f32c6 Mon Sep 17 00:00:00 2001
From: GarenJian-Intel <taorong.jian@intel.com>
Date: Thu, 16 Nov 2023 14:37:05 +0800
Subject: [PATCH] QATAPP-31145: Fix null pointer dereference

Signed-off-by: GarenJian-Intel <taorong.jian@intel.com>
---
 utils/qzip_7z.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/utils/qzip_7z.c b/utils/qzip_7z.c
index 589c3b9..78a6a30 100644
--- a/utils/qzip_7z.c
+++ b/utils/qzip_7z.c
@@ -2231,14 +2231,16 @@ void itemListDestroy(Qz7zItemList_T *p)
 
     QzCatagoryTable_T *table = p->table;
     QzCatagory_T      cat;
-    for (int i = 0; i < table->cat_num; ++i) {
-        cat = table->catas[i];
-        free(cat.cat_files->next->items);
-        free(cat.cat_files->next);
-        free(cat.cat_files);
-    }
-    free(table->catas);
-    free(table);
+    if (table) {
+        for (int i = 0; i < table->cat_num; ++i) {
+            cat = table->catas[i];
+            free(cat.cat_files->next->items);
+            free(cat.cat_files->next);
+            free(cat.cat_files);
+        }
+        free(table->catas);
+        free(table);
+    }
 
     free(p);
 }