[Webkit-unassigned] [Bug 42643] New: CRASH when loading http://www.html5rocks.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42643

           Summary: CRASH when loading http://www.html5rocks.com
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: NEW
          Severity: Major
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: apavlov at chromium.org


I'm observing a crash while loading certain HTML5 pages. www.html5rocks.com/ is one example.

Unhandled exception at 0x571f3fee (WebKit.dll) in Safari.exe: 0xC0000005: Access violation writing location 0xbbadbeef.

>	WebKit.dll!WebCore::HTMLInputElement::rangeUnderflow()  Line 348 + 0x87 bytes	C++
     WebKit.dll!WebCore::ValidityState::rangeUnderflow()  Line 131    C++
     WebKit.dll!WebCore::ValidityState::valid()  Line 150 + 0x26 bytes    C++
     WebKit.dll!WebCore::HTMLFormControlElement::setNeedsValidityCheck()  Line 338 + 0xf bytes    C++
     WebKit.dll!WebCore::HTMLInputElement::setInputType(const WebCore::String & t={...})  Line 895    C++
     WebKit.dll!WebCore::HTMLInputElement::parseMappedAttribute(WebCore::Attribute * attr=0x07da56f8)  Line 1112 + 0x18 bytes    C++
     WebKit.dll!WebCore::StyledElement::attributeChanged(WebCore::Attribute * attr=0x07da56f8, bool preserveDecls=false)  Line 183 + 0x16 bytes    C++
     WebKit.dll!WebCore::Element::setAttribute(const WebCore::AtomicString & name={...}, const WebCore::AtomicString & value={...}, int & ec=0)  Line 562 + 0x18 bytes    C++
     WebKit.dll!WebCore::jsElementPrototypeFunctionSetAttribute(JSC::ExecState * exec=0x078f0278)  Line 1422 + 0x2c bytes    C++

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