From 62e477a6f25d7cf792d4326da6e93f6bf8bb4e0e Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Wed, 3 Aug 2022 19:23:19 +0200
Subject: [PATCH] Protect against too big resize for a QByteArray

oss-fuzz/48480
---
 src/imageformats/psd.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/imageformats/psd.cpp b/src/imageformats/psd.cpp
index a8c206d..7c4c669 100644
--- a/src/imageformats/psd.cpp
+++ b/src/imageformats/psd.cpp
@@ -938,6 +938,9 @@ inline void labToRgb(uchar *target, qint32 targetChannels, const char *source, q
 bool readChannel(QByteArray& target, QDataStream &stream, quint32 compressedSize, quint16 compression)
 {
     if (compression) {
+        if (compressedSize > kMaxQVectorSize) {
+            return false;
+        }
         QByteArray tmp;
         tmp.resize(compressedSize);
         if (stream.readRawData(tmp.data(), tmp.size()) != tmp.size()) {