Title: [203737] trunk/Source/WebCore
- Revision
- 203737
- Author
- [email protected]
- Date
- 2016-07-26 14:35:20 -0700 (Tue, 26 Jul 2016)
Log Message
Occasional crash in WebCore::RenderVTTCue::initializeLayoutParameters
https://bugs.webkit.org/show_bug.cgi?id=160208
Reviewed by Darin Adler.
* rendering/RenderVTTCue.cpp:
(WebCore::RenderVTTCue::initializeLayoutParameters): Return when firstChild is NULL so a
release build will not crash.
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (203736 => 203737)
--- trunk/Source/WebCore/ChangeLog 2016-07-26 21:01:07 UTC (rev 203736)
+++ trunk/Source/WebCore/ChangeLog 2016-07-26 21:35:20 UTC (rev 203737)
@@ -1,3 +1,14 @@
+2016-07-26 Eric Carlson <[email protected]>
+
+ Occasional crash in WebCore::RenderVTTCue::initializeLayoutParameters
+ https://bugs.webkit.org/show_bug.cgi?id=160208
+
+ Reviewed by Darin Adler.
+
+ * rendering/RenderVTTCue.cpp:
+ (WebCore::RenderVTTCue::initializeLayoutParameters): Return when firstChild is NULL so a
+ release build will not crash.
+
2016-07-26 Chris Dumez <[email protected]>
Parameters to CustomEvent.initCustomEvent() should be mandatory
Modified: trunk/Source/WebCore/rendering/RenderVTTCue.cpp (203736 => 203737)
--- trunk/Source/WebCore/rendering/RenderVTTCue.cpp 2016-07-26 21:01:07 UTC (rev 203736)
+++ trunk/Source/WebCore/rendering/RenderVTTCue.cpp 2016-07-26 21:35:20 UTC (rev 203737)
@@ -70,6 +70,8 @@
bool RenderVTTCue::initializeLayoutParameters(InlineFlowBox*& firstLineBox, LayoutUnit& step, LayoutUnit& position)
{
ASSERT(firstChild());
+ if (!firstChild())
+ return false;
RenderBlock* parentBlock = containingBlock();
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