Bug 66425: Avoid exceptions found via poi-fuzz

Prevent a NullPointerException Fixes https://issues.oss-fuzz.com/issues/42537550 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1923060 13f79535-47bb-0310-9956-ffa450edef68
apache · Jan 11, 2025 · 76617e9 · 76617e9
1 parent 57afb34
commit 76617e9
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diff --git a/poi-ooxml/src/main/java/org/apache/poi/xdgf/usermodel/section/geometry/EllipticalArcTo.java b/poi-ooxml/src/main/java/org/apache/poi/xdgf/usermodel/section/geometry/EllipticalArcTo.java
@@ -73,6 +73,10 @@ public EllipticalArcTo(RowType row) {
         for (CellType cell : row.getCellArray()) {
             String cellName = cell.getN();
 
+            if (cellName == null) {
+                throw new POIXMLException("Missing cellName in EllipticalArcTo row");
+            }
+
             switch (cellName) {
                 case "X":
                     x = XDGFCell.parseDoubleValue(cell);

diff --git a/test-data/diagram/clusterfuzz-testcase-minimized-POIVisioFuzzer-5842659694215168.vsdx b/test-data/diagram/clusterfuzz-testcase-minimized-POIVisioFuzzer-5842659694215168.vsdx
diff --git a/test-data/spreadsheet/stress.xls b/test-data/spreadsheet/stress.xls