On Thu, Apr 23, 2015 at 10:56 AM, Avinash Sridharan <avinash.sridharan@xxxxxxxxx> 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 _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
