Re: copy to user

[Chris Wright]

* Luis Miguel Correia Henriques ([e-mail]) wrote:
> The reason that I need it to spend CPU time is that I'm developing a fault
> injector. The purpose of a fault injection tool is, as you could imagine,
> to test some critical systems and it's capacity to recover from fails. The
> reason for changing the code of a process is that process must be delayed
> but without leaving the CPU - everything must look like nothing wrong is
> happening, except for other processes that are waiting for something from
> the delayed process...

with ptrace(2) you can write into the program's .bss, whatever...add a
little shellcode and you're dangerous ;-)

-chris