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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (JIRA)" <ji...@apache.org> on 2018/04/29 11:55:00 UTC
[jira] [Commented] (PDFBOX-4193) StackOverflow
[ https://issues.apache.org/jira/browse/PDFBOX-4193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457994#comment-16457994 ]
Andreas Lehmkühler commented on PDFBOX-4193:
--------------------------------------------
I can confirm the stack overflow for the first document, but the second one produces another stacktrace
{code}
java.lang.NullPointerException: null
org.apache.pdfbox.debugger.ui.PageEntry.getPath(PageEntry.java:68)
org.apache.pdfbox.debugger.treestatus.TreeStatus.getObjectName(TreeStatus.java:141)
org.apache.pdfbox.debugger.treestatus.TreeStatus.generatePathString(TreeStatus.java:84)
org.apache.pdfbox.debugger.treestatus.TreeStatus.getStringForPath(TreeStatus.java:60)
org.apache.pdfbox.debugger.treestatus.TreeStatusPane.valueChanged(TreeStatusPane.java:125)
org.apache.pdfbox.debugger.PDFDebugger.initTree(PDFDebugger.java:1334)
org.apache.pdfbox.debugger.PDFDebugger.readPDFFile(PDFDebugger.java:1278)
org.apache.pdfbox.debugger.PDFDebugger.openMenuItemActionPerformed(PDFDebugger.java:647)
org.apache.pdfbox.debugger.PDFDebugger.access$4(PDFDebugger.java:617)
org.apache.pdfbox.debugger.PDFDebugger$4.actionPerformed(PDFDebugger.java:335)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
{code}
I've checked that for the 2.0 branch and the trunk version of PDFBox
> StackOverflow
> -------------
>
> Key: PDFBOX-4193
> URL: https://issues.apache.org/jira/browse/PDFBOX-4193
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing, PDModel
> Reporter: floyd
> Priority: Major
> Attachments: 5_uncaught_stackoverflow_checkPagesDictionary.pdf, 6_uncaught_stackoverflow_getInheritableAttribute.pdf
>
>
> As part of a fuzzing run with the AFL-based Kelinci fuzzer found at [https://github.com/isstac/kelinci] for a larger software that uses PDFBox I found the following StackOverflowError issues:
> {code:java}
> Exception in thread "main" java.lang.StackOverflowError
> at java.util.HashMap.hash(HashMap.java:338)
> at java.util.LinkedHashMap.get(LinkedHashMap.java:440)
> at org.apache.pdfbox.cos.COSDictionary.getDictionaryObject(COSDictionary.java:188)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2207)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230)
> [...]
> at org.apache.pdfbox.pdfparser.COSParser.checkPagesDictionary(COSParser.java:2230){code}
> Additionally, a second StackOverflowError was found:
> {code:java}
> Exception in thread "main" java.lang.StackOverflowError
> at java.util.HashMap.hash(HashMap.java:338)
> at java.util.LinkedHashMap.get(LinkedHashMap.java:440)
> at org.apache.pdfbox.cos.COSDictionary.getDictionaryObject(COSDictionary.java:188)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:102)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111)
> [...]
> at org.apache.pdfbox.pdmodel.PDPageTree.getInheritableAttribute(PDPageTree.java:111){code}
> The issues can be reproduced with the attached files.
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