commit 2c793238bd336d208ce8a344a17c4f5f59270944
Author: Vasily Dybala <Vasily.Dybala@kaspersky.com>
Date:   Wed May 19 15:59:55 2021 +0300

    infiniteRegion: Reduce limits of region.
    
    This fix integer overflow during QRect::width() operation.
    Fix: QTBUG-93840
    
    Change-Id: I1dc53148c61009417268ba85dabce28e6b6a4366

diff --git a/src/compositor/compositor_api/qwaylandsurface.cpp b/src/compositor/compositor_api/qwaylandsurface.cpp
index f457c372..bf33d608 100644
--- a/src/compositor/compositor_api/qwaylandsurface.cpp
+++ b/src/compositor/compositor_api/qwaylandsurface.cpp
@@ -106,8 +106,10 @@ public:
 };
 }
 static QRegion infiniteRegion() {
-    return QRegion(QRect(QPoint(std::numeric_limits<int>::min(), std::numeric_limits<int>::min()),
-                         QPoint(std::numeric_limits<int>::max(), std::numeric_limits<int>::max())));
+    // KOS: this is workardound for QTBUG-93840
+    // Please check correct fix in upstream.
+    return QRegion(QRect(QPoint(std::numeric_limits<int>::min() / 2 + 1, std::numeric_limits<int>::min() / 2 + 1),
+                         QPoint(std::numeric_limits<int>::max() / 2 - 1, std::numeric_limits<int>::max() / 2 - 1)));
 }
 
 #ifndef QT_NO_DEBUG