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https://issues.apache.org/jira/browse/ORC-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Heena Bansal updated ORC-1101:
------------------------------
    Description: 
*Why Improvement is needed*

apache/orc is crashing with segmentation fault when Protobuf message of type 
struct is illformed with fieldnames less than subtypes. Issue  was 
reproducible. Refer GitHub issue for more details : 
[https://github.com/apache/orc/issues/1021.] 
h3. What changes were done as Improvement.

The changes are made to validate the indices in the Protobuf message type tree 
especially for the Type_Kind_STRUCT when fieldnames are less than the 
subtypes_size() , so it won't crash when we convert the proto::Types to 
TypeImpls.

> Improve malformed STRUCT handling
> ---------------------------------
>
>                 Key: ORC-1101
>                 URL: https://issues.apache.org/jira/browse/ORC-1101
>             Project: ORC
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 1.8.0
>            Reporter: Dongjoon Hyun
>            Assignee: Heena Bansal
>            Priority: Minor
>             Fix For: 1.8.0
>
>
> *Why Improvement is needed*
> apache/orc is crashing with segmentation fault when Protobuf message of type 
> struct is illformed with fieldnames less than subtypes. Issue  was 
> reproducible. Refer GitHub issue for more details : 
> [https://github.com/apache/orc/issues/1021.] 
> h3. What changes were done as Improvement.
> The changes are made to validate the indices in the Protobuf message type 
> tree especially for the Type_Kind_STRUCT when fieldnames are less than the 
> subtypes_size() , so it won't crash when we convert the proto::Types to 
> TypeImpls.



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