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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 51902] New: [PATCH] Picture.fillRawImageContent - ArrayIndexOutOfBoundsException
Date Tue, 27 Sep 2011 23:48:05 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=51902

             Bug #: 51902
           Summary: [PATCH] Picture.fillRawImageContent -
                    ArrayIndexOutOfBoundsException
           Product: POI
           Version: 3.8-dev
          Platform: PC
            Status: NEW
          Severity: major
          Priority: P2
         Component: HWPF
        AssignedTo: dev@poi.apache.org
        ReportedBy: hockey69guy@yahoo.com
    Classification: Unclassified


Created attachment 27617
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=27617
Patch for issue

Found a handful of Word files that cause ArrayIndexOOB. (Unable to attach
sample due to sensitive nature of files).

Patch included, essentially the pictureBytesStartOffset used for a
System.arraycopy() is sometimes set to a negative value.

Fix uses an existing less-than check but also makes sure it's greater than zero
before using the new value rather than the default PICTF1BlockOffset.

Stack Trace: (POI-3.8-beta4)

Caused by: java.lang.ArrayIndexOutOfBoundsException
    at java.lang.System.arraycopy(Native Method)
    at
org.apache.poi.hwpf.usermodel.Picture.fillRawImageContent(Picture.java:363)
    at org.apache.poi.hwpf.usermodel.Picture.getRawContent(Picture.java:203)
    at org.apache.poi.hwpf.usermodel.Picture.fillImageContent(Picture.java:372)
    at org.apache.poi.hwpf.usermodel.Picture.getContent(Picture.java:191)
    at
org.apache.poi.hwpf.usermodel.Picture.suggestPictureType(Picture.java:330)
    at
org.apache.poi.hwpf.usermodel.Picture.suggestFileExtension(Picture.java:315)
    at
org.apache.poi.hwpf.usermodel.Picture.suggestFullFileName(Picture.java:150)
    at
org.apache.tika.parser.microsoft.WordExtractor$PicturesSource.<init>(WordExtractor.java:504)
    at
org.apache.tika.parser.microsoft.WordExtractor$PicturesSource.<init>(WordExtractor.java:488)
    at
org.apache.tika.parser.microsoft.WordExtractor.parse(WordExtractor.java:81)
    at
org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:196)
    at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
    ... 45 more

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