1 files changed, 37 insertions, 0 deletions
diff --git a/dev-qt/qtwayland/files/qtwayland-5.15.2-guard-mResizeDirty.patch b/dev-qt/qtwayland/files/qtwayland-5.15.2-guard-mResizeDirty.patch
new file mode 100644
index 000000000000..c2e377cff054
--- /dev/null
+++ b/dev-qt/qtwayland/files/qtwayland-5.15.2-guard-mResizeDirty.patch
@@ -0,0 +1,37 @@
+From 2e2042aa18efd1389a140a5d0028d8359bd455a7 Mon Sep 17 00:00:00 2001
+From: David Edmundson <davidedmundson@kde.org>
+Date: Thu, 3 Feb 2022 19:42:33 +0000
+Subject: [PATCH] Guard mResizeDirty by the correctMutex
+
+mResizeDirty is used in the GUI thread in setCanResize which can be
+called from the GUI thread. It is queried and set whilst the resizeLock
+is held. We need to guard our usage.
+
+Change-Id: I5f8dcf8aa2cb2c4bb6274103df1da9e3e268605a
+---
+ src/client/qwaylandwindow.cpp | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/src/client/qwaylandwindow.cpp b/src/client/qwaylandwindow.cpp
+index 949374b1..7aee362a 100644
+--- a/src/client/qwaylandwindow.cpp
++++ b/src/client/qwaylandwindow.cpp
+@@ -357,11 +357,12 @@ void QWaylandWindow::setGeometry(const QRect &rect)
+         if (mWindowDecoration)
+             mWindowDecoration->update();
+ 
+-        if (mResizeAfterSwap && windowType() == Egl && mSentInitialResize)
++        if (mResizeAfterSwap && windowType() == Egl && mSentInitialResize) {
++            QMutexLocker lock(&mResizeLock);
+             mResizeDirty = true;
+-        else
++        } else {
+             QWindowSystemInterface::handleGeometryChange(window(), geometry());
+-
++        }
+         mSentInitialResize = true;
+     }
+     QRect exposeGeometry(QPoint(), geometry().size());
+-- 
+GitLab
+