[Webkit-unassigned] [Bug 28681] New: Element::recalcStyle() accesses freed RenderStyles (fast/css/rem-dynamic-scaling.html)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=28681

           Summary: Element::recalcStyle() accesses freed RenderStyles
                    (fast/css/rem-dynamic-scaling.html)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: hyatt at apple.com


Created an attachment (id=38493)
 --> (https://bugs.webkit.org/attachment.cgi?id=38493)
crash report

Element::recalcStyle() accesses freed RenderStyles
(fast/css/rem-dynamic-scaling.html)

Nate just pointed this out to me.  This was crashing for Chromium, but will
crash for all builds too.

To reproduce:
run-webkit-tests --debug --guard fast/css/rem-dynamic-scaling.html
or
MallocScribble=1 DumpRenderTree LayoutTests/fast/css/rem-dynamic-scaling.html

http://code.google.com/p/chromium/issues/detail?id=16850 was the chromium bug
which spurred this investigation.


I suspect we should just stuff currentStyle in a RefPtr...

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