This is awesome - thanks Tom!

On Wed, Jun 27, 2018 at 3:53 PM Tom Schuster <t...@schuster.me> wrote:

> Since landing bug 1465911 [1], CPOWs [2] are only functional on our testing
> infrastructure. In normal builds that we ship to users CPOWs can be
> created, but no operations like property lookup can be performed on them.
>
> CPOWs continue to exist, because a lot of tests still depend on them. We
> can't disable CPOW creation in user builds, because the context menu passes
> them from the child to the parent and back like a token.
>
> This is a significant IPC attack surface reduction.
>
> [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1465911
> [2]
>
> https://developer.mozilla.org/en-US/Firefox/Multiprocess_Firefox/Cross_Process_Object_Wrappers
> _______________________________________________
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> dev-platform@lists.mozilla.org
> https://lists.mozilla.org/listinfo/dev-platform
>
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