execve error

[Rohith]

Thanks all !

On Fri, Apr 24, 2015 at 10:48 PM, Henry Hallam <henry at pericynthion.org>
wrote:

> On Thu, Apr 23, 2015 at 10:56 AM, Avinash Sridharan
> <avinash.sridharan at gmail.com> wrote:
> > Are you passing the arguments to execve correctly? Usually the EFAULT
> error
> > occurs, cause the argument format to execve is not correct and the
> kernel is
> > unable to interpret the executable that needs to be launched, or the
> > parameters that need to be passed to the new process.
> >
> > Just an example:
> >
> http://www.linuxquestions.org/questions/programming-9/execve-alwayse-produces-efault-333778/
>
> Specifically, both the argv[] and envp[] arrays need to end with a
> null pointer.  Forgetting this often leads to intermittent or
> situation-dependent strange behavior or crashes, because sometimes
> that memory happens to contain zeros anyway, and sometimes not.
>
> Henry
>
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