[Webkit-unassigned] [Bug 48531] New: Assertion failure in DocumentLoader::commitData when loading a media document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48531

           Summary: Assertion failure in DocumentLoader::commitData when
                    loading a media document
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://www.nch.com.au/acm/sample.wav
        OS/Version: Windows XP
            Status: NEW
          Keywords: PlatformOnly
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: eric at webkit.org, eric.carlson at apple.com,
                    abarth at webkit.org, jer.noble at apple.com


To reproduce:

1. Go to http://www.nch.com.au/acm/sample.wav in a debug build

You'll hit an assertion in DocumentLoader::commitData:

    ASSERT(m_frame->document()->parsing());

The wav file seems to load fine in Release builds.

Here's the backtrace:


>	WebKit.dll!WebCore::DocumentLoader::commitData(const char * bytes=0x0a9fa008, int length=69300)  Line 306 + 0x35 bytes	C++
     WebKit.dll!WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader * loader=0x0a888068, const char * data=0x0a9fa008, int length=69300)  Line 497    C++
     WebKit.dll!WebCore::DocumentLoader::commitLoad(const char * data=0x0a9fa008, int length=69300)  Line 292 + 0x29 bytes    C++
     WebKit.dll!WebCore::DocumentLoader::receivedData(const char * data=0x0a9fa008, int length=69300)  Line 320    C++
     WebKit.dll!WebCore::MainResourceLoader::addData(const char * data=0x0a9fa008, int length=69300, bool allAtOnce=false)  Line 157    C++
     WebKit.dll!WebCore::ResourceLoader::didReceiveData(const char * data=0x0a9fa008, int length=69300, __int64 lengthReceived=69300, bool allAtOnce=false)  Line 262 + 0x1b bytes    C++
     WebKit.dll!WebCore::MainResourceLoader::didReceiveData(const char * data=0x0a9fa008, int length=69300, __int64 lengthReceived=69300, bool allAtOnce=false)  Line 437    C++
     WebKit.dll!WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle * __formal=0x09825830, const char * data=0x0a9fa008, int length=69300, int lengthReceived=69300)  Line 415 + 0x1f bytes    C++
     WebKit.dll!WebCore::didReceiveData(_CFURLConnection * conn=0x097d05a0, const __CFData * data=0x097cf750, long originalLength=69300, const void * clientInfo=0x09825830)  Line 214 + 0x2a bytes    C++
     CFNetwork.dll!URLConnectionClient::_clientDidReceiveData()

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