[Webkit-unassigned] [Bug 26134] New: REGRESSION: Crash (preceded by assertion) in InspectorController::didCommitLoad when reloading or navigating with the Inspector open

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=26134

           Summary: REGRESSION: Crash (preceded by assertion) in
                    InspectorController::didCommitLoad when reloading or
                    navigating with the Inspector open
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: Regression, NeedsRadar
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: timothy at hatcher.name, dglazkov at chromium.org


To reproduce:

1. Go to <http://webkit.org/>
2. Right-click on the page and choose "Inspect Element"
3. Reload the page, or click a link on the page

You'll hit this assertion in InspectorController::didCommitLoad:

                ASSERT(m_mainResource && m_mainResource->isSameLoader(loader));

Continuing past this assertion would lead to a crash.

Here's the backtrace (when reloading):

>	WebKit_debug.dll!WebCore::InspectorController::didCommitLoad(WebCore::DocumentLoader * loader=0x0e3f09b8)  Line 738 + 0x49 bytes	C++
        WebKit_debug.dll!WebCore::FrameLoader::dispatchDidCommitLoad()  Line
5208       C++
        WebKit_debug.dll!WebCore::FrameLoader::receivedFirstData()  Line 888   
C++
        WebKit_debug.dll!WebCore::FrameLoader::setEncoding(const
WebCore::String & name={}, bool userChosen=false)  Line 1810   C++
        WebKit_debug.dll!WebFrameLoaderClient::receivedData(const char *
data=0x0aa91fb8, int length=1095, const WebCore::String & textEncoding={}) 
Line 463   C++
       
WebKit_debug.dll!WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader *
loader=0x0e3f09b8, const char * data=0x0aa91fb8, int length=1095)  Line 435    
 C++
       
WebKit_debug.dll!WebCore::FrameLoader::committedLoad(WebCore::DocumentLoader *
loader=0x0e3f09b8, const char * data=0x0aa91fb8, int length=1095)  Line 3639 +
0x24 bytes        C++
        WebKit_debug.dll!WebCore::DocumentLoader::commitLoad(const char *
data=0x0aa91fb8, int length=1095)  Line 362   C++
        WebKit_debug.dll!WebCore::DocumentLoader::receivedData(const char *
data=0x0aa91fb8, int length=1095)  Line 374 C++
        WebKit_debug.dll!WebCore::FrameLoader::receivedData(const char *
data=0x0aa91fb8, int length=1095)  Line 2458   C++
        WebKit_debug.dll!WebCore::MainResourceLoader::addData(const char *
data=0x0aa91fb8, int length=1095, bool allAtOnce=false)  Line 149    C++
        WebKit_debug.dll!WebCore::ResourceLoader::didReceiveData(const char *
data=0x0aa91fb8, int length=1095, __int64 lengthReceived=1095, bool
allAtOnce=false)  Line 257 + 0x1b bytes       C++
        WebKit_debug.dll!WebCore::MainResourceLoader::didReceiveData(const char
* data=0x0aa91fb8, int length=1095, __int64 lengthReceived=1095, bool
allAtOnce=false)  Line 361        C++
       
WebKit_debug.dll!WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle
* __formal=0x091f1cc8, const char * data=0x0aa91fb8, int length=1095, int
lengthReceived=1095)  Line 411 + 0x1f bytes  C++
        WebKit_debug.dll!WebCore::didReceiveData(_CFURLConnection *
conn=0x0abe2fc8, const __CFData * data=0x0a5d3268, long originalLength=1095,
const void * clientInfo=0x091f1cc8)  Line 155 + 0x2a bytes     C++


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