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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 18:29:58 UTC

[GitHub] [beam] kennknowles opened a new issue, #18402: Potential arithmetic overflow in Generator#nextAuctionLengthMs()

kennknowles opened a new issue, #18402:
URL: https://github.com/apache/beam/issues/18402

   ```
   
       long numEventsForAuctions =
           (config.configuration.numInFlightAuctions * GeneratorConfig.PROPORTION_DENOMINATOR)
   
          / GeneratorConfig.AUCTION_PROPORTION;
   
   ```
   
   
   The multiplication is done on 32-bit integers while long is expected (numEventsForAuctions).
   
   There is possibility for arithmetic overflow
   
   Imported from Jira [BEAM-2805](https://issues.apache.org/jira/browse/BEAM-2805). Original Jira may contain additional context.
   Reported by: yuzhihong@gmail.com.


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