Bug 59671

Summary: Race condition with scrollbar animations and closing a page can cause a crash in WebCore::FrameView::setVisibleScrollerThumbRect + 15
Product: WebKit Reporter: Beth Dakin <bdakin>
Component: Layout and RenderingAssignee: Beth Dakin <bdakin>
Status: RESOLVED FIXED    
Severity: Normal CC: bdakin
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: PC   
OS: OS X 10.5   
Attachments:
Description Flags
Patch mitz: review+

Description Beth Dakin 2011-04-27 21:17:59 PDT
I have not been able to catch it in a debugger, but there are numerous reports indicating a crash in WebCore::FrameView::setVisibleScrollerThumbRect(). Looks like we are de-referencing page. 

Patch forthcoming.

<rdar://problem/9329253>
Comment 1 Beth Dakin 2011-04-27 21:21:15 PDT
Created attachment 91423 [details]
Patch
Comment 2 Beth Dakin 2011-04-27 21:32:53 PDT
Thanks Dan! Committed fix with revision 85147.