PDFBOX-6035: prevent infinite loop

THausherr · THausherr · commit a16d1a64dfc5 · 2025-07-13T08:04:45.000Z
git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1927178 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShadingType4.java b/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShadingType4.java
@@ -174,7 +174,8 @@ List<ShadedTriangle> collectTriangles(AffineTransform xform, Matrix matrix)
                             lastIndex = list.size() - 1;
                             if (lastIndex < 0)
                             {
-                                LOG.error("broken data stream: {}", list.size());
+                                LOG.error("broken data stream: {}, aborting", list.size());
+                                eof = true;
                             }
                             else
                             {

Original file line number	Diff line number	Diff line change
`@@ -174,7 +174,8 @@ List<ShadedTriangle> collectTriangles(AffineTransform xform, Matrix matrix)`
`174`	`174`	`lastIndex = list.size() - 1;`
`175`	`175`	`if (lastIndex < 0)`
`176`	`176`	`{`
`177`		`- LOG.error("broken data stream: {}", list.size());`
	`177`	`+ LOG.error("broken data stream: {}, aborting", list.size());`
	`178`	`+ eof = true;`
`178`	`179`	`}`
`179`	`180`	`else`
`180`	`181`	`{`