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  1. Core Server
  2. SERVER-6512

ReplicaSetMonitor::_checkConnection does not check upper bounds for the indexes

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 2.0.6, 2.1.2
    • Fix Version/s: 2.0.7, 2.2.0-rc1
    • Component/s: None
    • Labels:
    • Operating System:
      ALL

      Description

      There is no check for the nodesOffset variable inside checkConnection. This can cause race condition that can potentially result in accessing the _nodes outside of its bounds. The problem can potentially manifest when whenever members of a replica set shrinks in size.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. SERVER-6508 Resizing of _nodes and updating _master is not atomic in ReplicaSetMonitor

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-6798 moveChunk Invalid access at address Segmentation Fault

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-6583 "couldn't connect to new shard socket exception" in addshard4.js

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-6548 Unsafe use of _master in ReplicaSetMonitor::_check() and ReplicaSetMonitor::check() can lead to segfault

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-6647 Potential out of bounds access in ReplicaSetMonitor

          • Major - P3 - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-5058 mongos should update config seed based on rs version

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              renctan Randolph Tan
              Reporter:
              renctan Randolph Tan
              Participants:
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                Dates

                Created:
                Updated:
                Resolved: