Oxide and Friends
Holistic Engineering with Robert Mustacchi
Robert Mustacchi
That check happened, but after all the side effects of doing the read were pretty much done. So everything other than, you know, it doesn't show up in your register, but it's impacted, but it was loaded into all the caches and everything else, such that you could still see it. So basically, you could read any arbitrary piece of kernel memory you want.
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