[Webkit-unassigned] [Bug 34014] New: WebSocket wrapper can be collected even if events are pending

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=34014

           Summary: WebSocket wrapper can be collected even if events are
                    pending
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: ukai at chromium.org


Created an attachment (id=47218)
 --> (https://bugs.webkit.org/attachment.cgi?id=47218)
test case

WebSocket inherits from ActiveDOMObject, but it never sets pending activity. As
a result, it can be garbage collected even if has a network exchange ongoing,
and is going to post events. This violates a basic JS principle - garbage
collection should not affect program execution.

A fix for this would be to call setPendingActivity when WebSocket waits for
data from the network (and match it with unsetPendingActivity).

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