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Posted to dev@avro.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/11/08 18:08:00 UTC
[jira] [Commented] (AVRO-2179) Malformed data, the BinaryDecoder
allocates large arrays
[ https://issues.apache.org/jira/browse/AVRO-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680118#comment-16680118 ]
ASF GitHub Bot commented on AVRO-2179:
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dkulp commented on issue #311: AVRO-2179: Malformed data, the BinaryDecoder allocates large arrays
URL: https://github.com/apache/avro/pull/311#issuecomment-437099326
This is definitely invalid. If the stream is coming via http or something, the input buffer may be relatively small and definitely may not contain the entire string.
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> Malformed data, the BinaryDecoder allocates large arrays
> --------------------------------------------------------
>
> Key: AVRO-2179
> URL: https://issues.apache.org/jira/browse/AVRO-2179
> Project: Apache Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.8.2
> Reporter: Jonny
> Priority: Critical
> Attachments: image2018-5-10_11-7-40.png, image2018-5-11_21-27-56.png
>
>
> Recentlly I use avro find it has this problem:The memory suddenly explode and trigger the fullgc, So I dump the memory file. And then I use jvisualvm tool to analysis I found a org.apache.avro.util.Utf8 object and the bytes array length was over 1610470037.
> The method of readInt() shouldn't over limit, So I think it should be restricted.
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