Linux-kernel mailing list archive 2000-23,: Re: OS stopping stack buffer overflow exploits

# Re: OS stopping stack buffer overflow exploits

Ralf Baechle (ralf@uni-koblenz.de)
Mon, 5 Jun 2000 17:45:57 +0200

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On Mon, Jun 05, 2000 at 05:34:58PM +0200, Markus Pfeiffer wrote:

> > void * foo(void)
> > {
> > void bar(void)
> > {
> > }
> >
> > return bar;
> > }
> >
> ehemm, what does this code mean ?? In C one cannot declare a function in
> a fucntion ...

This is a gcc extension, RTFM. I haven't seen it being used in the kernel
but glibc does (did?) for sure.

Ralf

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