Re: mremap() bug IMHO not in 2.2

[Tomas Szepe]

On Jan-05 2004, Mon, 16:08 -0800
Linus Torvalds <torvalds@xxxxxxxx> wrote:

> The only page that should matter is likely the one at 0xC0000000, where 
> there can be extra complications from the fact that we use 4MB pages for 
> the kernel, so when fork/exit tries to walk the page table, it would get 
> bogus results.
> 
> Still, I'd expect that to lead to a triple fault (and thus a reboot) 
> rather than any elevation of privileges..

Hmmm... so what about non-x86?

> Interesting, in any case. Good catch from whoever found it.

Impressive, yes.

-- 
Tomas Szepe <szepe@xxxxxxxxxxxxxxx>
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