[Webkit-unassigned] [Bug 187348] ASSERTION FAILED: contextConnection under WebCore::SWServer::terminateWorkerInternal

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187348

--- Comment #5 from Chris Dumez <cdumez at apple.com> ---
(In reply to Chris Dumez from comment #4)
> SWServerWorker::contextConnection() relies on
> SWServerToContextConnection::connectionForOrigin(securityOrigin()).
> 
> if it returns null, it means the SWServerToContextConnection object was
> destroyed.
> So this indicates that it is possible for SWServerToContextConnection to get
> destroyed but its SWServerWorkers still think they're running.

SWServerToContextConnection objects can get destroyed as a result of:
1. StorageProcess::swContextConnectionMayNoLongerBeNeeded() -> there is no longer any client for this origin.
2. StorageProcess::connectionToContextProcessWasClosed() -> Context process terminated or crashed

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