ExtendingContentWrapper (extends) can overflow if self-refering
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Key: MAGNOLIA-3578
URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-3578
Project: Magnolia
Issue Type: Bug
Components: core
Reporter: Grégory Joseph
Assignee: Philipp Bärfuss
Fix For: 4.4.3
ExtendingContentWrapper does not check if it's extending itself, and as such,
one can get a StackOverflowError if one accidentally configures the following:
{{foo/bar/extends = ../bar}}
{noformat}
Exception in thread "Thread-19" java.lang.StackOverflowError
at
org.apache.commons.collections.map.AbstractReferenceMap.purgeBeforeRead(AbstractReferenceMap.java:337)
<...>
at info.magnolia.cms.core.DefaultContent.<init>(DefaultContent.java:120)
at
info.magnolia.cms.core.DefaultContent.getContent(DefaultContent.java:188)
at
info.magnolia.cms.core.AbstractNodeData.getReferencedContent(AbstractNodeData.java:137)
at
info.magnolia.cms.core.AbstractNodeData.getReferencedContent(AbstractNodeData.java:104)
at
info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
at
info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
at
info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
at
info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
at
info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
at
info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
at
info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
at
info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
<...>
{noformat}
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