Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-36546

Buffer overflow in WTUniqueIndex cursor restore

    XMLWordPrintable

Details

    • Fully Compatible
    • ALL
    • Storage Engines 2018-08-13
    • 58

    Description

      A unique index cursor restore could return a key shorter than the current key. I such a case comparing  the current key with the restored key could cause a buffer overflow.

      The evergreen run reporting this memory leak:

      https://evergreen.mongodb.com/task/mongodb_mongo_master_ubuntu1604_debug_aubsan_async_sharding_op_query_4e57f57add2ad51a1c8cafd3fa05ec50b6437797_18_08_06_05_51_51/0

      Attachments

        Activity

          People

            neha.khatri Neha Khatri
            neha.khatri Neha Khatri
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: