Title: [199598] trunk/Source/WebCore
Revision
199598
Author
[email protected]
Date
2016-04-15 11:24:32 -0700 (Fri, 15 Apr 2016)

Log Message

Calling SVGAnimatedPropertyTearOff::animationEnded() will crash if the SVG property is not animating
https://bugs.webkit.org/show_bug.cgi?id=156549

Patch by Said Abou-Hallawa <[email protected]> on 2016-04-15
Reviewed by Darin Adler.

A speculative fix for a crash which may happen when calling animationEnded()
of any SVGAnimatedProperty while it is not animating.

* svg/SVGAnimatedTypeAnimator.h:
(WebCore::SVGAnimatedTypeAnimator::executeAction):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (199597 => 199598)


--- trunk/Source/WebCore/ChangeLog	2016-04-15 18:08:13 UTC (rev 199597)
+++ trunk/Source/WebCore/ChangeLog	2016-04-15 18:24:32 UTC (rev 199598)
@@ -1,3 +1,16 @@
+2016-04-15  Said Abou-Hallawa  <[email protected]>
+
+        Calling SVGAnimatedPropertyTearOff::animationEnded() will crash if the SVG property is not animating
+        https://bugs.webkit.org/show_bug.cgi?id=156549
+
+        Reviewed by Darin Adler.
+
+        A speculative fix for a crash which may happen when calling animationEnded()
+        of any SVGAnimatedProperty while it is not animating.
+
+        * svg/SVGAnimatedTypeAnimator.h:
+        (WebCore::SVGAnimatedTypeAnimator::executeAction):
+
 2016-04-15  Jer Noble  <[email protected]>
 
         Unreviewed build fix for iOS simulator. Assert the correct variable.

Modified: trunk/Source/WebCore/svg/SVGAnimatedTypeAnimator.h (199597 => 199598)


--- trunk/Source/WebCore/svg/SVGAnimatedTypeAnimator.h	2016-04-15 18:08:13 UTC (rev 199597)
+++ trunk/Source/WebCore/svg/SVGAnimatedTypeAnimator.h	2016-04-15 18:24:32 UTC (rev 199598)
@@ -201,7 +201,8 @@
                 break;
             case StopAnimationAction:
                 ASSERT(!type);
-                property->animationEnded();
+                if (property->isAnimating())
+                    property->animationEnded();
                 break;
             case AnimValWillChangeAction:
                 ASSERT(!type);
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