Re: Is it possible to execute user application from kernel space?

["Daniel (Youngwhan) Song" <breadncup@xxxxxxxxx>]

Thanks, Anil.

Best Regards,
Daniel (Youngwhan) Song

On Sun, Nov 15, 2009 at 7:26 PM, askb <askb23@xxxxxxxxx> wrote:

On Sun, 2009-11-15 at 17:26 -0800, Daniel (Youngwhan) Song wrote:
> Hi,
>
> I am just curious that if it is possible to launch user application,
> say, "ls" or "ps", in kernel space.
>

Following facilitates calling a user space function from a kernel
module:

int call_usermodehelper(char *path, char **argv, char **envp, enum
umh_wait wait)

> If it is possible, could you share how it can be achieved?
>

Here is a sample program:
http://people.ee.ethz.ch/~arkeller/linux/kernel_user_space_howto.html#s7


Thanks,
Anil