biohazard4321 opened a new pull request, #36226:
URL: https://github.com/apache/doris/pull/36226

   see the unit test.
   in do_money_format, some case like -123.45,no comma would set in the first 
loop iteration,but j -= 4 contains comma position.
   so next loop iteration would cause buffer overflow. in some condition may 
corrupt some critical memory then coredump.
   
   ## Proposed changes
   
   Issue Number: close #xxx
   
   <!--Describe your changes.-->
   
   


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