[Webkit-unassigned] [Bug 45284] New: javascript: urls should execute asynchronously

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=45284

           Summary: javascript: urls should execute asynchronously
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: abarth at webkit.org, dglazkov at chromium.org,
                    jamesr at chromium.org


javascript: urls should execute asynchronously

synchronous execution of javascript from parseMappedAttribute has been the source of a raft of crashers (some of them security bugs).  Just like mutation events, synchronous javascript execution during parsing leads to badness.  We should get rid of this whole class of bugs by making javascript: urls load asynchronously.  Ideally *all* loads should load asynchronously (to avoid crazy reentrancy), but hyatt has historically warned that would regress the PLT.

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