[Lguest] [PATCH] ld.so on FC7 is mmap'ing shared libraries right in over guest memory.

ron minnich rminnich at gmail.com
Sat Aug 11 02:35:30 EST 2007


On 8/9/07, Arjan van de Ven <arjan at infradead.org> wrote:
> On Thu, 2007-08-09 at 21:07 +1000, Rusty Russell wrote:
> > From: Ronald G. Minnich <rminnich at gmail.com>
> >
> > [ FC7 maps shared libraries very low, where the launcher maps guest's
> > physical memory.  Quick fix is to link Launcher static, real fix is for
> > 2.6.24. ]
> >
> > -static is a simple fix. I expect this problem will be more common than we
> > like, as different distro's make different "improvements" to ld.so
>
>
> this description is incorrect; it's not an ld.so change that causes the
> low mapping.
>
> It's a command line option to the prelink program (which is in most
> distributions) that makes it use the entire address space, not just the
> higher bits....

oops. That'll teach me.

Thanks for the correction :-)

ron



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