Data corruption when inserting out-of-bounds data

MariaDB> create table test.t1(smallint_t SMALLINT, usmallint_t SMALLINT UNSIGNED) engine=columnstore;

#include <libmcsapi/mcsapi.h>

#include <iostream>

int main(int argc, char *argv[])

   {

   mcsapi::ColumnStoreDriver* driver = nullptr;

   mcsapi::ColumnStoreBulkInsert* bulk = nullptr;

   try {

      driver = new mcsapi::ColumnStoreDriver();

      bulk = driver->createBulkInsert("test", "t1", 0, 0);

      bulk->setColumn(0, (int16_t) INT16_MAX);

      bulk->setColumn(1, (uint16_t) UINT16_MAX);

      bulk->writeRow();

      bulk->commit();

   } catch (mcsapi::ColumnStoreError &e) {

      std::cout << "Error caught: " << e.what() << std::endl;

   }

   delete bulk;

   delete driver;

   return 0;

   }

MariaDB> select * from test.t1;

ERROR 1815 (HY000): Internal error: An unexpected condition within the query caused an internal processing error within InfiniDB. Please check the log files for more details. Additional Information: error in BatchPrimitiveProces