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https://issues.apache.org/jira/browse/GROOVY-12109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18092085#comment-18092085
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ASF GitHub Bot commented on GROOVY-12109:
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daniellansun merged PR #2634:
URL: https://github.com/apache/groovy/pull/2634
> Harden Closure deserialization against owner/delegate reference cycle
> ---------------------------------------------------------------------
>
> Key: GROOVY-12109
> URL: https://issues.apache.org/jira/browse/GROOVY-12109
> Project: Groovy
> Issue Type: Improvement
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
>
> A closure whose {{owner}}/{{delegate}}/{{thisObject}} references form a
> cycle serializes successfully but recurses without bound when the closure is
> later invoked.
>
>
>
>
>
> Add a defensive cycle check when deserializing the built-in serializable
> closure types, rejecting such graphs with an {{InvalidObjectException}}.
> Legitimate closure serialization (including curried and composed closures) is
> unaffected.
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