[Webkit-unassigned] [Bug 23500] New: KURL::parse() incorrectly compares its result to original string

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23500

           Summary: KURL::parse() incorrectly compares its result to
                    original string
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: mitz at webkit.org


KURL::parse() has an optimization, where it reuses an original String if
parsing didn't change it. But the sting comparison is incorrect, as it doesn't
check that string lengths are the same:

    if (originalString && strncmp(buffer.data(), url, m_fragmentEnd) == 0)

Unfortunately, if I fix this bug, I'm getting a regression in
fast/loader/url-parse-1.html.


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