Re: what happens when the kernel stack overflows?

[Michael Blizek <michi1@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Hi!

On 11:58 Thu 24 Apr     , Robert P. J. Day wrote:
> 
>   as a related thread to the earlier one, is there any protection
> against the kernel stack extending downwards until it overruns the
> thread_info structure?  i'm skeptical that there's *any* call chain in
> kernel code that would suck up that much kernel stack, but i'm just
> curious.

Yes, there is a stack overflow detection. You can enable it in
"make menuconfig" under "kernel hacking". Does somebody have an idea about
how this works?
	-Michi
-- 
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.homelinux.net


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