[Webkit-unassigned] [Bug 109049] New: SIGSEGV at WebCore::JSNodeOwner::isReachableFromOpaqueRoots

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=109049

           Summary: SIGSEGV at
                    WebCore::JSNodeOwner::isReachableFromOpaqueRoots
           Product: WebKit
           Version: 420+
          Platform: PC
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gerhard.gruber at documatrix.com


I am using WebView in a Vala program to show some HTML files and these HTML-Files use ExtJS.

In some situations the Vala program opens another URL and in this case WebKit crashes.

I started to search for the problem and now I know, that you just have to load ExtJS and change to another page and it crashes.

The bug just occurs when using Windows - when using Linux it works.
I cross compiled my program via MinGW.
I use webkitgtk-1.10.2 and compiled it with the following parameters:

./configure --host=i686-w64-mingw32 --prefix=/usr/i686-w64-mingw32/sys-root/mingw/ --with-target=win32 --enable-plugin-process=no --enable-webkit2=no --disable-glibtest --with-gtk=3.0 --disable-jit

Here is the stackdump from gdb when the program crashes:
Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) bt
#0  0x00000000 in ?? ()
#1  0x01a6ac1a in WebCore::JSNodeOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void*, JSC::SlotVisitor&) ()
   from C:\webkit_crash\libwebkitgtk-3.0-0.dll
#2  0x00000037 in ?? ()
#3  0x7fec19f0 in ?? ()
#4  0xfffffffb in ?? ()
#5  0x036980a8 in ?? ()

I also attached the HTML file and the JS-File which lead to the crash.

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