Fixed issue with offset,test=allcases (#38506)

paddle/pten/api/lib/utils/storage.h

@@ -84,6 +84,7 @@ class SharedStorage : public pten::Storage {
   void Clear() override {
     data_ = nullptr;
     size_ = 0;
+    offset_ = 0;
   }
 
   size_t size() const noexcept override { return size_; }