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  1. Core Server
  2. SERVER-91557

Block decompressor allows bindata length exceeding 16 in delta encoding

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 8.1.0-rc0, 8.0.0-rc11
    • Affects Version/s: None
    • Component/s: None
    • None
    • Query Integration
    • Fully Compatible
    • ALL
    • v8.0
    • QI 2024-06-24, QI 2024-07-08
    • 200

      Path-based decompression fuzzer failed with this message:

      Invariant failure
      expr: !(iteratorError.empty() || blockBasedError.empty())
      msg: . Returned results are not equal. Iterator API errored: Location8412601: BinData length should not exceed 16 in a delta encoding. The block based API returned results.
      file: src/mongo/bson/util/bsoncolumn_decompress_paths_fuzzer.cpp
      line: 228

      Base64 encoding of offending BSONColumn:
      8SwAAAAFACAAAAAAf/4BCLHOzwAG/////////2l/AAsACgBbAAEAegATaX8Ahn8A//gj/wD///8h/wH+AADf+CP/AP///yH/Af4A/6mX/2Z/AH/4AH9/Mn9gZXQAgGj/////AH8AAAA=
       

            Assignee:
            gil.alon@mongodb.com Gil Alon
            Reporter:
            chris.wolff@mongodb.com Chris Wolff
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              Created:
              Updated:
              Resolved: