Thanks Murat! I have tried your example, and fixed the problem of my code accordingly.
Murat Balaban <[EMAIL PROTECTED]> wrote:
Hi,
It might be that you have some bad address in the execve index of sysent array.
See http://www.enderunix.org/murat/linux_subexec/linux_subexec.c for a simple example.
PS: don't mind the naming :).
On Sun, Nov 16, 2003 at 07:53:30AM -0800, Kai Zhu wrote:
> Hello all,
>
> I am writing a KLD module to intercept execve() as following:
>
> static int my_execve(struct thread *td, struct execve_args *uap)
> {
> return(execve(td,uap));
> }
>
> As you can see, I first just want to make sure that my_execve won't affect the
> original execve, then I will add some new logic in my_execve before returning to
> execve().
> After kldload with this module, I always get "Bad address" error if I use any
> command like ls, cd, etc.
>
> Does anyone know where my problem is? Thanks!
>
>
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--
"When all else fails, read the instructions -- Murphy's Technology Laws"
Murat Balaban
http://www.enderunix.org
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