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https://issues.apache.org/jira/browse/SYSTEMML-1739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-1739.
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Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.0
> Ineffective null check in MLContextConversionUtil#binaryBlocksToFrameObject()
> -----------------------------------------------------------------------------
>
> Key: SYSTEMML-1739
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1739
> Project: SystemML
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Matthias Boehm
> Priority: Minor
> Fix For: SystemML 1.0
>
>
> {code}
> MatrixCharacteristics mc = (frameMetadata != null) ?
> frameMetadata.asMatrixCharacteristics()
> : new MatrixCharacteristics();
> FrameObject frameObject = new
> FrameObject(OptimizerUtils.getUniqueTempFileName(),
> new MatrixFormatMetaData(mc, OutputInfo.BinaryBlockOutputInfo,
> InputInfo.BinaryBlockInputInfo),
> frameMetadata.getFrameSchema().getSchema().toArray(new ValueType[0]));
> {code}
> null check is performed on frameMetadata.
> However, frameMetadata is dereferenced later without check for
> getFrameSchema().
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