[TIKA-3224] Stackoverflow with Embedded PDF in DOCX document

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.24.1
• Fix Version/s: 1.27
• Component/s: parser
• External issue URL: https://discuss.elastic.co/t/stackoverflow-on-elasticsearch-file-indexation-with-ingest-attachment/253455
• Assignee: Unassigned
• Reporter: David Pilato
• Created: 04/Nov/20 16:40
• Updated: 20/Jul/21 15:40
• Resolved: 20/Jul/21 15:15

Description

This issue has been reported by a user on discuss.elastic.co.

I can reproduce the problem using the latest version of Tika (1.24.1) in FSCrawler project.

When running the extraction of the data, we are seeing:

java.lang.StackOverflowError: null
	at java.util.regex.Pattern$BmpCharPredicate.lambda$union$2(Pattern.java:5692) ~[?:?]
	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:4019) ~[?:?]
	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4855) ~[?:?]
	at java.util.regex.Pattern$BranchConn.match(Pattern.java:4763) ~[?:?]
	at java.util.regex.Pattern$GroupTail.match(Pattern.java:4886) ~[?:?]
	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:4020) ~[?:?]
	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4855) ~[?:?]
	at java.util.regex.Pattern$Branch.match(Pattern.java:4800) ~[?:?]
	at java.util.regex.Pattern$Branch.match(Pattern.java:4798) ~[?:?]
	at java.util.regex.Pattern$Branch.match(Pattern.java:4798) ~[?:?]
	at java.util.regex.Pattern$BranchConn.match(Pattern.java:4763) ~[?:?]
	at java.util.regex.Pattern$GroupTail.match(Pattern.java:4886) ~[?:?]
	at java.util.regex.Pattern$BmpCharPropertyGreedy.match(Pattern.java:4394) ~[?:?]
	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4855) ~[?:?]
	at java.util.regex.Pattern$Branch.match(Pattern.java:4800) ~[?:?]
	at java.util.regex.Pattern$BranchConn.match(Pattern.java:4763) ~[?:?]
	at java.util.regex.Pattern$GroupTail.match(Pattern.java:4886) ~[?:?]
	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:4020) ~[?:?]
	at java.util.regex.Pattern$BmpCharPropertyGreedy.match(Pattern.java:4394) ~[?:?]
	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4855) ~[?:?]
	at java.util.regex.Pattern$Branch.match(Pattern.java:4800) ~[?:?]
	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:4020) ~[?:?]
	at java.util.regex.Pattern$Start.match(Pattern.java:3673) ~[?:?]
	at java.util.regex.Matcher.search(Matcher.java:1729) ~[?:?]
	at java.util.regex.Matcher.find(Matcher.java:773) ~[?:?]
	at java.util.Formatter.parse(Formatter.java:2702) ~[?:?]
	at java.util.Formatter.format(Formatter.java:2655) ~[?:?]
	at java.util.Formatter.format(Formatter.java:2609) ~[?:?]
	at java.lang.String.format(String.java:3292) ~[?:?]
	at java.util.logging.SimpleFormatter.format(SimpleFormatter.java:176) ~[?:?]
	at java.util.logging.StreamHandler.publish(StreamHandler.java:199) ~[?:?]
	at java.util.logging.ConsoleHandler.publish(ConsoleHandler.java:95) ~[?:?]
	at java.util.logging.Logger.log(Logger.java:979) ~[?:?]
	at java.util.logging.Logger.doLog(Logger.java:1006) ~[?:?]
	at java.util.logging.Logger.logp(Logger.java:1172) ~[?:?]
	at org.apache.commons.logging.impl.Jdk14Logger.log(Jdk14Logger.java:87) ~[?:?]
	at org.apache.commons.logging.impl.Jdk14Logger.warn(Jdk14Logger.java:260) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree.getKids(PDPageTree.java:159) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree.access$200(PDPageTree.java:41) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:183) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]
	at org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.enqueueKids(PDPageTree.java:186) ~[?:?]

It sounds like related to pdfbox project though but I found that it could be useful to report it here.

Issue Links

• relates to: PDFBOX-5009 Corrupt PDF can lead to a StackOverflow