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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 52035] New: Large MS Word 6.0 Word Document java.lang.ArrayIndexOutOfBoundsException: -283137
Date Fri, 14 Oct 2011 23:50:25 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=52035

             Bug #: 52035
           Summary: Large MS Word 6.0 Word Document
                    java.lang.ArrayIndexOutOfBoundsException: -283137
           Product: POI
           Version: 3.7
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: HWPF
        AssignedTo: dev@poi.apache.org
        ReportedBy: kim.ebert@perfectsearchcorp.com
    Classification: Unclassified


Word6.0 file with 32MB size

It appears that it should be unsigned instead of signed. This patch appears to
fix the problem on read. I checked and it appears to still be a problem against
poi-3.8-beta4.


diff -uNr
../old/poi-3.7/src/scratchpad/src/org/apache/poi/hwpf/model/OldCHPBinTable.java
./src/scratchpad/src/org/apache/poi/hwpf/model/OldCHPBinTable.java
---
../old/poi-3.7/src/scratchpad/src/org/apache/poi/hwpf/model/OldCHPBinTable.java
2010-10-14 04:50:23.000000000 -0600
+++ ./src/scratchpad/src/org/apache/poi/hwpf/model/OldCHPBinTable.java
2011-10-14 17:16:45.414557055 -0600
@@ -49,7 +49,7 @@
{
GenericPropertyNode node = binTable.getProperty(x);

- int pageNum = LittleEndian.getShort(node.getBytes());
+ int pageNum = LittleEndian.getUShort(node.getBytes());
int pageOffset = POIFSConstants.SMALLER_BIG_BLOCK_SIZE * pageNum;

CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage(documentStream,
diff -uNr
../old/poi-3.7/src/scratchpad/src/org/apache/poi/hwpf/model/OldPAPBinTable.java
./src/scratchpad/src/org/apache/poi/hwpf/model/OldPAPBinTable.java
---
../old/poi-3.7/src/scratchpad/src/org/apache/poi/hwpf/model/OldPAPBinTable.java
2010-10-14 04:50:23.000000000 -0600
+++ ./src/scratchpad/src/org/apache/poi/hwpf/model/OldPAPBinTable.java
2011-10-14 17:18:00.047660407 -0600
@@ -40,7 +40,7 @@
{
GenericPropertyNode node = binTable.getProperty(x);

- int pageNum = LittleEndian.getShort(node.getBytes());
+ int pageNum = LittleEndian.getUShort(node.getBytes());
int pageOffset = POIFSConstants.SMALLER_BIG_BLOCK_SIZE * pageNum;

PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage(documentStream,

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