[Webkit-unassigned] [Bug 50927] New: chrome.dll!WebCore::RenderTextControlSingleLine::speechAttributeChanged ReadAV at NULL (7acb553d23eecf733d9ececf57a499f7)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50927

           Summary: chrome.dll!WebCore::RenderTextControlSingleLine::speec
                    hAttributeChanged ReadAV at NULL
                    (7acb553d23eecf733d9ececf57a499f7)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org


Created an attachment (id=76387)
 --> (https://bugs.webkit.org/attachment.cgi?id=76387&action=review)
Repro

Chromium bug: http://code.google.com/p/chromium/issues/detail?id=66700

Repro:
<input id="input" type=checkbox/>
<script>
  document.getElementById('input').webkitSpeech = true;
</script>

id:             chrome.dll!WebCore::RenderTextControlSingleLine::speechAttributeChanged ReadAV at NULL (7acb553d23eecf733d9ececf57a499f7)
description:    Attempt to read from unallocated NULL pointer-0x1 in chrome.dll!WebCore::RenderTextControlSingleLine::speechAttributeChanged
application:    Chromium 10.0.608.0
stack:          chrome.dll!WebCore::RenderTextControlSingleLine::speechAttributeChanged
                chrome.dll!WebCore::HTMLInputElement::parseMappedAttribute
                chrome.dll!WebCore::StyledElement::attributeChanged
                chrome.dll!WebCore::HTMLFormControlElement::attributeChanged
                chrome.dll!WebCore::NamedNodeMap::addAttribute
                chrome.dll!WebCore::Element::setAttribute
                chrome.dll!WebCore::Element::setBooleanAttribute
                chrome.dll!WebCore::HTMLInputElementInternal::webkitSpeechAttrSetter
                chrome.dll!v8::internal::JSObject::SetPropertyWithCallback
                chrome.dll!v8::internal::JSObject::SetProperty
                chrome.dll!v8::internal::JSObject::SetProperty
                chrome.dll!v8::internal::StoreIC::Store
                chrome.dll!v8::internal::StoreIC_Miss
                chrome.dll!v8::internal::Invoke
                chrome.dll!v8::internal::Execution::Call
                ...

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