Title: [213800] releases/WebKitGTK/webkit-2.16/Source/WebCore
Revision
213800
Author
[email protected]
Date
2017-03-13 02:55:26 -0700 (Mon, 13 Mar 2017)

Log Message

Merge r213276 - [GTK] Crash in WebCore::CoordinatedGraphicsLayer::notifyFlushRequired
https://bugs.webkit.org/show_bug.cgi?id=166420

Reviewed by Žan Doberšek.

This is happening when closing a page that is being inspected. When CoordinatedGraphicsLayer::removeFromParent()
is called, the coordinator has already been invalidated, so all its layers were set a nullptr coordinator. I
think it's safe to simply handle m_coordinator being nullptr in notifyFlushRequired().

* platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
(WebCore::CoordinatedGraphicsLayer::notifyFlushRequired): Return early if the coordinator is nullptr.

Modified Paths

Diff

Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog (213799 => 213800)


--- releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog	2017-03-13 09:54:47 UTC (rev 213799)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog	2017-03-13 09:55:26 UTC (rev 213800)
@@ -1,3 +1,17 @@
+2017-03-02  Carlos Garcia Campos  <[email protected]>
+
+        [GTK] Crash in WebCore::CoordinatedGraphicsLayer::notifyFlushRequired
+        https://bugs.webkit.org/show_bug.cgi?id=166420
+
+        Reviewed by Žan Doberšek.
+
+        This is happening when closing a page that is being inspected. When CoordinatedGraphicsLayer::removeFromParent()
+        is called, the coordinator has already been invalidated, so all its layers were set a nullptr coordinator. I
+        think it's safe to simply handle m_coordinator being nullptr in notifyFlushRequired().
+
+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
+        (WebCore::CoordinatedGraphicsLayer::notifyFlushRequired): Return early if the coordinator is nullptr.
+
 2017-03-01  Carlos Garcia Campos  <[email protected]>
 
         [GTK] fast/canvas/canvas-createPattern-video-loading.html makes its subsequent test timeout

Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp (213799 => 213800)


--- releases/WebKitGTK/webkit-2.16/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp	2017-03-13 09:54:47 UTC (rev 213799)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp	2017-03-13 09:55:26 UTC (rev 213800)
@@ -53,7 +53,9 @@
 
 void CoordinatedGraphicsLayer::notifyFlushRequired()
 {
-    ASSERT(m_coordinator);
+    if (!m_coordinator)
+        return;
+
     if (m_coordinator->isFlushingLayerChanges())
         return;
 
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