Bug 66425: Avoid a NullPointerException found via oss-fuzz

We try to avoid throwing NullPointerException, but it was possible
to trigger one here with a specially crafted input-file

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912139 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2023-09-06 14:48:58 +00:00
parent 24bf8c33f2
commit 5d073e3586
3 changed files with 3 additions and 0 deletions

View File

@ -205,6 +205,9 @@ public abstract class POIXMLRelation {
PackageRelationship rel = it.next();
PackagePartName relName = PackagingURIHelper.createPartName(rel.getTargetURI());
PackagePart part = corePart.getPackage().getPart(relName);
if (part == null) {
throw new IllegalArgumentException("Could not read part " + relName + " from " + corePart);
}
return part.getInputStream();
}
LOGGER.atWarn().log("No part {} found", getDefaultFileName());

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