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Qemu user space emulation

Qemu user space emulation

Posted Aug 19, 2009 16:07 UTC (Wed) by leonb (guest, #3054)
Parent article: Google's Chromium sandbox

Naive question:
Why not run the untrusted programs under
qemu user space emulation and catch the syscalls?

- L.

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Qemu user space emulation

Posted Aug 19, 2009 16:19 UTC (Wed) by johill (subscriber, #25196) [Link]

Well, that would have the same verification problems when needing to talk to the host, with the extra expense of having to emulate _all_ instructions, rather than just syscalls, so much slower.


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