Author: centic
Date: Sat Jan 11 09:24:08 2025
New Revision: 1923059

URL: http://svn.apache.org/viewvc?rev=1923059&view=rev
Log:
Bug 66425: Avoid exceptions found via poi-fuzz

Prevent a NullPointerException

Fixes https://issues.oss-fuzz.com/issues/379574870

Added:
    
poi/trunk/test-data/slideshow/clusterfuzz-testcase-minimized-POIXSLFFuzzer-4986044400861184.pptx
Modified:
    
poi/trunk/poi/src/main/java/org/apache/poi/sl/extractor/SlideShowExtractor.java
    poi/trunk/test-data/spreadsheet/stress.xls

Modified: 
poi/trunk/poi/src/main/java/org/apache/poi/sl/extractor/SlideShowExtractor.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/sl/extractor/SlideShowExtractor.java?rev=1923059&r1=1923058&r2=1923059&view=diff
==============================================================================
--- 
poi/trunk/poi/src/main/java/org/apache/poi/sl/extractor/SlideShowExtractor.java 
(original)
+++ 
poi/trunk/poi/src/main/java/org/apache/poi/sl/extractor/SlideShowExtractor.java 
Sat Jan 11 09:24:08 2025
@@ -364,6 +364,10 @@ public class SlideShowExtractor<
         // PowerPoint seems to store files with \r as the line break
         // The messes things up on everything but a Mac, so translate them to 
\n
         String txt = tr.getRawText();
+        if (txt == null) {
+            return "";
+        }
+
         txt = txt.replace('\r', '\n');
         txt = txt.replace((char) 0x0B, sep);
 

Added: 
poi/trunk/test-data/slideshow/clusterfuzz-testcase-minimized-POIXSLFFuzzer-4986044400861184.pptx
URL: 
http://svn.apache.org/viewvc/poi/trunk/test-data/slideshow/clusterfuzz-testcase-minimized-POIXSLFFuzzer-4986044400861184.pptx?rev=1923059&view=auto
==============================================================================
Binary files 
poi/trunk/test-data/slideshow/clusterfuzz-testcase-minimized-POIXSLFFuzzer-4986044400861184.pptx
 (added) and 
poi/trunk/test-data/slideshow/clusterfuzz-testcase-minimized-POIXSLFFuzzer-4986044400861184.pptx
 Sat Jan 11 09:24:08 2025 differ

Modified: poi/trunk/test-data/spreadsheet/stress.xls
URL: 
http://svn.apache.org/viewvc/poi/trunk/test-data/spreadsheet/stress.xls?rev=1923059&r1=1923058&r2=1923059&view=diff
==============================================================================
Binary files - no diff available.



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