[jboss-jira] [JBoss JIRA] (ELY-753) Coverity static analysis: Explicit null dereferenced in SetCredentialsConfiguration (Elytron)

[Josef Cacek (JIRA)]

Josef Cacek created ELY-753:
-------------------------------

             Summary: Coverity static analysis: Explicit null dereferenced in SetCredentialsConfiguration (Elytron)
                 Key: ELY-753
                 URL: https://issues.jboss.org/browse/ELY-753
             Project: WildFly Elytron
          Issue Type: Bug
            Reporter: Josef Cacek
            Assignee: Darran Lofthouse


Coverity static-analysis scan found possible use of null object in {{SetCredentialsConfiguration.filterOneSaslMechanism}} method.

https://scan7.coverity.com/reports.htm#v16159/p11778/fileInstanceId=5863025&defectInstanceId=1561291&mergedDefectId=1377459
The method contains condition
{code}
if (credentials.contains(type, null)) {
    //...
}
{code}

If the {{credentials}} variable is of type {{IdentityCredentials}}, then the {{contains()}} call may result in NPE, because the {{null}} is used as {{algorthmName}} in:
{code}
return credentialType.isInstance(credential) && algorithmName.equals(((AlgorithmCredential) credential).getAlgorithm());
{code}




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