Examples of errors detected by the V3114 diagnostic

V3114. IDisposable object is not disposed before method returns.

RocketMan

V3114 [CWE-404] IDisposable object 'reader' is not disposed before method returns. OVRSceneLoader.cs 212

private SceneInfo GetSceneInfo()
{
  SceneInfo sceneInfo = new SceneInfo();
  try
  {
    var reader = new StreamReader(sceneLoadDataPath); // <=
    ....
    while (!reader.EndOfStream)
    {
      sceneList.Add(reader.ReadLine());
    }
    sceneInfo.scenes = sceneList;
  }
  ....
}

AWS SDK for .NET

V3114 IDisposable object 'rsa' is not disposed before method returns. GetPasswordDataResponse.Extensions.cs 48

public string GetDecryptedPassword(string rsaPrivateKey)
{
  RSAParameters rsaParams;
  try
  {
    rsaParams = new PemReader(
                  new StringReader(rsaPrivateKey.Trim())
                ).ReadPrivatekey();
  }
  catch (Exception e)
  {
    throw new AmazonEC2Exception("Invalid RSA Private Key", e);
  }

  RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();  // <=
  rsa.ImportParameters(rsaParams);

  byte[] encryptedBytes = Convert.FromBase64String(this.PasswordData);
  var decryptedBytes = rsa.Decrypt(encryptedBytes, false);

  string decrypted = Encoding.UTF8.GetString(decryptedBytes);
  return decrypted;
}