Quanlong Huang created ORC-313:
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Summary: Missing checks on SubType count of LIST and MAP types
Key: ORC-313
URL: https://issues.apache.org/jira/browse/ORC-313
Project: ORC
Issue Type: Bug
Components: C++, Java, Reader
Affects Versions: 1.4.3, 1.3.4, 1.2.3, 1.1.2, 1.0.0
Reporter: Quanlong Huang
Attachments: ill_types.orc
When converting proto::Type to TypeImpl, we need to check that LIST and MAP
types have a correct number of subtypes. Otherwise, it will lead to later
errors in the c++ reader.
A file with ill types is attached.
The java reader also has this problem and throws an IndexOutOfBoundsException
immediately:
{code}
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 0
at java.util.Collections$EmptyList.get(Collections.java:3212)
at org.apache.orc.OrcProto$Type.getSubtypes(OrcProto.java:12642)
at org.apache.orc.OrcUtils.convertTypeFromProtobuf(OrcUtils.java:506)
at org.apache.orc.OrcUtils.convertTypeFromProtobuf(OrcUtils.java:515)
at org.apache.orc.impl.ReaderImpl.<init>(ReaderImpl.java:386)
at org.apache.orc.OrcFile.createReader(OrcFile.java:327)
at org.apache.orc.tools.FileDump.getReader(FileDump.java:241)
at org.apache.orc.tools.FileDump.printMetaDataImpl(FileDump.java:300)
at org.apache.orc.tools.FileDump.printMetaData(FileDump.java:274)
at org.apache.orc.tools.FileDump.main(FileDump.java:135)
at org.apache.orc.tools.Driver.main(Driver.java:105)
{code}
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