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Posted to issues@arrow.apache.org by "mapleFU (via GitHub)" <gi...@apache.org> on 2023/03/08 08:37:04 UTC

[GitHub] [arrow] mapleFU opened a new issue, #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault

mapleFU opened a new issue, #34496:
URL: https://github.com/apache/arrow/issues/34496

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   In `RecordReaderStressTest.StressTest`.
   
   ```c++
     std::default_random_engine gen(seed1);
     // Generate random number of pages with random number of values per page.
     std::uniform_int_distribution<int> d(0, 2000);
     const int num_pages = d(gen);
     const int levels_per_page = d(gen);
   ```
   
   If `num_pages == 0`, then, it will cause:
   
   ```c++
   // Generates pages from randomly generated data
   template <typename Type>
   static inline int MakePages(...) {
     int num_levels = levels_per_page * num_pages; // -> to 0
     ...
       // Create repitition levels
     if (max_rep_level > 0) {
       rep_levels[0] = 0; // --> invalid memory visit
     }
   ``` 
   
   
   This is introduced in https://github.com/apache/arrow/pull/14879
   
   ### Component(s)
   
   C++, Parquet


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[GitHub] [arrow] mapleFU commented on issue #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault

Posted by "mapleFU (via GitHub)" <gi...@apache.org>.
mapleFU commented on issue #34496:
URL: https://github.com/apache/arrow/issues/34496#issuecomment-1459741510

   Reproduce:
   `RecordReaderStressTest.StressTest`: make seed1 == seed2 == 623


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[GitHub] [arrow] mapleFU commented on issue #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault

Posted by "mapleFU (via GitHub)" <gi...@apache.org>.
mapleFU commented on issue #34496:
URL: https://github.com/apache/arrow/issues/34496#issuecomment-1459753310

   cc @fatemehp @emkornfield 


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[GitHub] [arrow] mapleFU commented on issue #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault

Posted by "mapleFU (via GitHub)" <gi...@apache.org>.
mapleFU commented on issue #34496:
URL: https://github.com/apache/arrow/issues/34496#issuecomment-1459807578

   Submit a tiny fixing here: https://github.com/apache/arrow/pull/34497


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[GitHub] [arrow] westonpace closed issue #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault

Posted by "westonpace (via GitHub)" <gi...@apache.org>.
westonpace closed issue #34496: [C++][Parquet] Parquet Unittest `RecordReaderStressTest` may segment fault
URL: https://github.com/apache/arrow/issues/34496


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