[jira] [Commented] (PDFBOX-5022) Recursion is too deep

Tilman Hausherr (Jira) Fri, 20 Nov 2020 10:08:15 -0800


    [ 
https://issues.apache.org/jira/browse/PDFBOX-5022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17236348#comment-17236348
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Tilman Hausherr commented on PDFBOX-5022:
-----------------------------------------

The nesting was over 70 levels. I looked at it with PDFDebugger but became 
exhausted after 20 levels so I'll never find out what would happen in the 
deepest level 😆

Printing uses a higher dpi so more memory is used. The file uses transparency 
groups so intermediate images are created.

The fault is with the creator of this PDF, maybe with the TCPDF software. The 
form XObjects seem to be identical.

> Recursion is too deep
> ---------------------
>
>                 Key: PDFBOX-5022
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5022
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.21
>            Reporter: Tres Finocchiaro
>            Priority: Major
>         Attachments: crash_pdf.pdf
>
>
> *OS:* Windows 10 x86_64
> *Java:* 1.8.0u271 x86_64
> The attached A4 PDF is created with TCPDF 6.2.26.
>  * At 600dpi, the attached PDF prints over > 4GB (-Xmx4096m) heap and crashes 
> the JVM.
>  * At 300dpi, the attached PDF prints under 2GB (-Xmx2048m) heap but shows 
> the following warning(s).
> Google Chrome and Adobe can print this PDF without issue.  The crash only 
> occurs using PDFBOX.
>  * Calling "*PDFDebugger*" does NOT crash the JVM.
>  * Calling "*PrintPDF*" DOES crash the JVM.
> For reference, the public mailing list where this was reported: 
> [https://groups.google.com/g/qz-print/c/REV9fP3rqeM/m/OW1Gf2QZBQAJ]
>  
> {code:java}
> Nov 19, 2020 10:53:46 PM 
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject process
> SCHWERWIEGEND: recursion is too deep, skipping form XObject
> Nov 19, 2020 10:53:46 PM 
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject process
> SCHWERWIEGEND: recursion is too deep, skipping form XObject
> Nov 19, 2020 10:53:47 PM 
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject process
> SCHWERWIEGEND: recursion is too deep, skipping form XObject{code}
>  



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[jira] [Commented] (PDFBOX-5022) Recursion is too deep

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