libraries/yajl/patches/0007-yajl-fix-memory-leak-problem.patch



From c4304a2c04a1b392eb1464a9da892a9e0dff7683 Mon Sep 17 00:00:00 2001
From: wujing <wujing50@huawei.com>
Date: Thu, 14 Feb 2019 03:12:30 +0800
Subject: [PATCH 7/8] yajl: fix memory leak problem

reason: fix memory leak problem
(cherry picked from commit 3d65cb0c6db4d433e5e42ee7d91d8a04e21337cf
 in https://github.com/openEuler-BaseService)

Fixes: https://github.com/lloyd/yajl/issues/250  (CVE-2023-33460)
---
 src/yajl_tree.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/yajl_tree.c b/src/yajl_tree.c
index 3d357a3..4b3cf2b 100644
--- a/src/yajl_tree.c
+++ b/src/yajl_tree.c
@@ -143,7 +143,7 @@ static yajl_val context_pop(context_t *ctx)
     ctx->stack = stack->next;
 
     v = stack->value;
-
+    free (stack->key);
     free (stack);
 
     return (v);
@@ -444,6 +444,10 @@ yajl_val yajl_tree_parse (const char *input,
              snprintf(error_buffer, error_buffer_size, "%s", internal_err_str);
              YA_FREE(&(handle->alloc), internal_err_str);
         }
+        while(ctx.stack != NULL) {
+             yajl_val v = context_pop(&ctx);
+             yajl_tree_free(v);
+        }
         yajl_free (handle);
         return NULL;
     }
-- 
2.41.0