分包逻辑添加边界检测代码

src/Http/HttpRequestSplitter.cpp

@@ -42,6 +42,9 @@ void HttpRequestSplitter::input(const char *data,size_t len) {
         if (index == ptr) {
             break;
         }
+        if (index < ptr || index > ptr + _remain_data_size) {
+            throw std::out_of_range("上层分包逻辑异常");
+        }
         //_content_len == 0，这是请求头
         const char *header_ptr = ptr;
         ssize_t header_size = index - ptr;