[Webkit-unassigned] [Bug 36170] New: REGRESSION (Windows): Safari crash on startup

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36170

           Summary: REGRESSION (Windows): Safari crash on startup
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: NEW
          Severity: Critical
          Priority: P1
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: apavlov at chromium.org
                CC: aroben at apple.com


A Windows Debug build crashes on startup with the following stacktrace (the
revision to blame is between 55975 and 55990 inclusive):

>	user32.dll!_NtUserShowWindow at 8()  + 0x15 bytes	
     user32.dll!_NtUserShowWindow at 8()  + 0x15 bytes    
     Safari.dll!Safari::Application::showWelcomePageIfNeeded()  + 0xc6 bytes    
     pthreadVC2.dll!pthread_mutex_unlock(pthread_mutex_t_ * * mutex=0x00000001)
 Line 89 + 0x14 bytes    C
     Safari.dll!run()  + 0xef bytes    
     CFNetwork.dll!CFNetServiceIsBonjourAvailable()  Line 62    C++
     Safari.dll!safariMain()  + 0x596 bytes    
     Safari.dll!_safariDLLMain at 16()  + 0x38 bytes    
     Safari.exe!_wWinMain at 16()  + 0x152 bytes    
     Safari.exe!@__security_check_cookie at 4()  + 0x1aa bytes    
     kernel32.dll!@BaseThreadInitThunk at 12()  + 0x12 bytes    
     ntdll.dll!___RtlUserThreadStart at 8()  + 0x27 bytes    
     ntdll.dll!__RtlUserThreadStart at 8()  + 0x1b bytes    

and a couple of messages in the console:

First-chance exception at 0x5ee85a1b (WebKit.dll) in Safari.exe: 0xC0000005:
Access violation reading location 0x00000000.
First-chance exception at 0x64e65671 in Safari.exe: 0xC0000005: Access
violation reading location 0x00000000.
ASSERTION FAILED: it->m_next->m_previous == it
(...\webkitbuild\include\private\javascriptcore\HashTable.h:1088
WTF::removeIterator)
First-chance exception at 0x5ed22b3b (WebKit.dll) in Safari.exe: 0xC0000005:
Access violation writing location 0xbbadbeef.
First-chance exception at 0x76cf0dd3 (user32.dll) in Safari.exe: 0xC0000005:
Access violation reading location 0x00000010.
Unhandled exception at 0x76cf0dd3 (user32.dll) in Safari.exe: 0xC000041D: An
unhandled exception was encountered during a user callback.

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