[Webkit-unassigned] [Bug 106352] New: Webkit crashes on http://www.pennlive.com/

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106352

           Summary: Webkit crashes on http://www.pennlive.com/
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: deadbeef at mailinator.com


Environment:
Windows 7 Ent SP1 64 bit
http://releases.qt-project.org/qt5/5.0.0/qt-windows-opensource-5.0.0-msvc2010_32-x86-offline.exe
Webkit revision 136242

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Webkit crashes on http://www.pennlive.com/
while trying e.g.
framecapture.exe "http://www.pennlive.com" penn.jpg
crashes in browser example too
and seems to be working in fancybrowser...

--
QML debugger shows: 
ASSERTION FAILED: m_ptr
Q:\qt5_workdir\w\s\qtwebkit\Source\WTF\wtf/OwnPtr.h(72) : WTF::OwnPtr<class WebCore::GraphicsLayer>::operator ->
1   051B939D
2   051EFD52
3   051FD84F
4   051FD80F
5   0FE35E33
6   0FE35D12
7   0FE36E78
8   051FD230
9   051FD1FF
10  0FE35E33
11  0FE35D12
12  0FDF0F4D
13  0FE35E33
14  0FE35D12
15  0FE36910
16  0FE36DB8
17  0FF96AED
18  0FF96A9F
19  0FE35E33
20  0FE35D12
21  0FE36E78
22  0FDF17F0
23  0FEA122B
24  0FEA12DF
25  0FEA12DF
26  0FEA12DF
27  0FEA12DF
28  0FEA131B
29  0FFCDD4A
30  0FE9B17B
31  0F2DE38E
--
WinDbg/CDB shows:
qwindowsd!qt_plugin_query_metadata+0x281cf:
ModLoad: 0e9d0000 0ea60000   C:\Windows\SysWOW64\gdi32.dll
(714.1c4c): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** WARNING: Unable to verify checksum for C:\PROGRAMS\Qt\500\5.0.0\msvc2010\plugins\platforms\qwindowsd.dll
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\PROGRAMS\Qt\500\5.0.0\msvc2010\plugins\platforms\qwindowsd.dll - 
eax=00004f54 ebx=0e9c1e4f ecx=0da2c00c edx=0000544f esi=0a280128 edi=0cb40100
eip=0fc5c884 esp=0045b23c ebp=0045b258 iopl=0         nv up ei ng nz na po cy
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00210283
qwindowsd!qt_plugin_query_metadata+0x281cf:
0fc5c884 8b11            mov     edx,dword ptr [ecx]  ds:002b:0da2c00c=????????
0:000> g
(714.1c4c): Access violation - code c0000005 (!!! second chance !!!)
eax=00004f54 ebx=0e9c1e4f ecx=0da2c00c edx=0000544f esi=0a280128 edi=0cb40100
eip=0fc5c884 esp=0045b23c ebp=0045b258 iopl=0         nv up ei ng nz na po cy
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00210283
qwindowsd!qt_plugin_query_metadata+0x281cf:
0fc5c884 8b11            mov     edx,dword ptr [ecx]  ds:002b:0da2c00c=????????

--
MSVS2010 shows 
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\crt\src\mlock.c
Line 374 
void __cdecl _unlock (
...
#374        LeaveCriticalSection( _locktable[locknum].lock );

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