From d1f0dd6ade844225d20437e6d2d8e8a546e4a893 Mon Sep 17 00:00:00 2001
From: wujianlin <wujianlin8@h-partners.com>
Date: Tue, 21 Jan 2025 10:19:09 +0800
Subject: [PATCH] add nullptr check when read from parcel

Issue:https://gitee.com/openharmony/commonlibrary_c_utils/issues/IBJ1DO?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..27d3d37 100644
--- a/base/src/parcel.cpp
+++ b/base/src/parcel.cpp
@@ -776,6 +776,10 @@ bool Parcel::Read(T &value)
     size_t desireCapacity = sizeof(T);
 
     if (desireCapacity <= GetReadableBytes()) {
+        if (data_ == nullptr) {
+            UTILS_LOGE("data_ is nullptr when parcel is being read.");
+            return false;
+        }
         const void *data = data_ + readCursor_;
 #ifdef PARCEL_OBJECT_CHECK
         size_t upperBound = readCursor_ + desireCapacity;
-- 
Gitee