Title: [266752] trunk/Source/WebCore
Revision
266752
Author
[email protected]
Date
2020-09-08 14:40:04 -0700 (Tue, 08 Sep 2020)

Log Message

Web process crashes at WebCore::HTMLMediaElement::prepareForVideoFullscreenStandby
https://bugs.webkit.org/show_bug.cgi?id=216283

Reviewed by Alex Christensen.

* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::prepareForVideoFullscreenStandby):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (266751 => 266752)


--- trunk/Source/WebCore/ChangeLog	2020-09-08 21:33:42 UTC (rev 266751)
+++ trunk/Source/WebCore/ChangeLog	2020-09-08 21:40:04 UTC (rev 266752)
@@ -1,3 +1,13 @@
+2020-09-08  Peng Liu  <[email protected]>
+
+        Web process crashes at WebCore::HTMLMediaElement::prepareForVideoFullscreenStandby
+        https://bugs.webkit.org/show_bug.cgi?id=216283
+
+        Reviewed by Alex Christensen.
+
+        * html/HTMLMediaElement.cpp:
+        (WebCore::HTMLMediaElement::prepareForVideoFullscreenStandby):
+
 2020-09-08  Lauro Moura <[email protected]>
 
         REGRESSION(r266681) [GTK] constexpr build failure in LTS/Debian with GCC 8

Modified: trunk/Source/WebCore/html/HTMLMediaElement.cpp (266751 => 266752)


--- trunk/Source/WebCore/html/HTMLMediaElement.cpp	2020-09-08 21:33:42 UTC (rev 266751)
+++ trunk/Source/WebCore/html/HTMLMediaElement.cpp	2020-09-08 21:40:04 UTC (rev 266752)
@@ -6054,6 +6054,9 @@
 void HTMLMediaElement::prepareForVideoFullscreenStandby()
 {
 #if ENABLE(VIDEO_PRESENTATION_MODE)
+    if (!document().page())
+        return;
+
     document().page()->chrome().client().prepareForVideoFullscreen();
 #endif
 }
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