From 6fea48c4eea0b8061a4ca5c3051073fc7dc644c7 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Wed, 17 Apr 2019 20:09:17 +0200
Subject: [PATCH] xcf: Fix uninitialized memory use on broken documents

oss-fuzz #14312
---
 src/imageformats/xcf.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/imageformats/xcf.cpp b/src/imageformats/xcf.cpp
index d727867..d84ec48 100644
--- a/src/imageformats/xcf.cpp
+++ b/src/imageformats/xcf.cpp
@@ -1078,6 +1078,9 @@ bool XCFImageFormat::loadLevel(QDataStream &xcf_io, Layer &layer, qint32 bpp)
         for (uint j = 0; j < layer.nrows; j++) {
             for (uint i = 0; i < layer.ncols; i++) {
                 layer.image_tiles[j][i].fill(Qt::transparent);
+                if (layer.type == GRAYA_GIMAGE || layer.type == INDEXEDA_GIMAGE) {
+                    layer.alpha_tiles[j][i].fill(Qt::transparent);
+                }
             }
         }
         return true;