From 7b52029bd34763a95bc0cf9d99d57657bc32a3c5 Mon Sep 17 00:00:00 2001
From: wujianlin <wujianlin8@h-partners.com>
Date: Mon, 7 Apr 2025 11:44:21 +0800
Subject: [PATCH] Add typeSize check

Issue:https://gitee.com/openharmony/commonlibrary_c_utils/issues/IBYYXJ?from=project-issue
Signed-off-by: wujianlin <wujianlin8@h-partners.com>
---
 base/src/parcel.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/base/src/parcel.cpp b/base/src/parcel.cpp
index 09bb4aa..d893964 100644
--- a/base/src/parcel.cpp
+++ b/base/src/parcel.cpp
@@ -429,6 +429,10 @@ bool Parcel::WriteBufferAddTerminator(const void *data, size_t size, size_t type
 
         // Reserved for 32 bits
         const char terminator[] = {0, 0, 0, 0};
+        if (typeSize > sizeof(terminator)) {
+            UTILS_LOGE("invalid typeSize, typeSize: %{public}zu", typeSize);
+            return false;
+        }
         if (!WriteDataBytes(terminator, typeSize)) {
             return false;
         }
-- 
Gitee