From 94e86e252843e500fe3ef750203bfa7d31cab4ce Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 24 Aug 2019 14:48:26 -0400
Subject: Fix fuzz issue 16301

---
 libqpdf/QPDFObjectHandle.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libqpdf')

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index 04149b22..a6d07190 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -2310,6 +2310,11 @@ QPDFObjectHandle::newStream(QPDF* qpdf, int objid, int generation,
 QPDFObjectHandle
 QPDFObjectHandle::newStream(QPDF* qpdf)
 {
+    if (qpdf == 0)
+    {
+        throw std::runtime_error(
+            "attempt to create stream in null qpdf object");
+    }
     QTC::TC("qpdf", "QPDFObjectHandle newStream");
     QPDFObjectHandle stream_dict = newDictionary();
     QPDFObjectHandle result = qpdf->makeIndirectObject(
-- 
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