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SubjectRe: mremap() bug IMHO not in 2.2
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On Mon, 05 Jan 2004 15:36:41 PST, Linus Torvalds said:

> So yes, it creates some confusion in the VM layer, but it all seems
> benign. It's clearly a bug, but where does the security problem come in?

Just guessing, but would a zero-length vma be rounded up to a page, and
thus give the attacker scribble permission on a page he shouldn't have had?

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