From c2d2a9be66427fe9fb8066894b3422533bb13c25 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Thu, 31 Jan 2019 00:56:25 +0100
Subject: [PATCH] pcx: Fix crash on fuzzed file

oss-fuzz/12784
---
 src/imageformats/pcx.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/imageformats/pcx.cpp b/src/imageformats/pcx.cpp
index 7c1a646..a617477 100644
--- a/src/imageformats/pcx.cpp
+++ b/src/imageformats/pcx.cpp
@@ -253,6 +253,9 @@ static void readImage1(QImage &img, QDataStream &s, const PCXHEADER &header)
     img = QImage(header.width(), header.height(), QImage::Format_Mono);
     img.setColorCount(2);
 
+    if (img.isNull())
+        return;
+
     for (int y = 0; y < header.height(); ++y) {
         if (s.atEnd()) {
             img = QImage();