copy_string_kernel
retval = copy_string_kernel(bprm->interp, bprm);
retval = copy_string_kernel(fmt->interpreter, bprm);
retval = copy_string_kernel(bprm->interp, bprm);
retval = copy_string_kernel(i_arg, bprm);
retval = copy_string_kernel(i_name, bprm);
retval = copy_string_kernel(bprm->filename, bprm);
retval = copy_string_kernel("", bprm);
retval = copy_string_kernel(bprm->filename, bprm);
EXPORT_SYMBOL(copy_string_kernel);
int ret = copy_string_kernel(argv[argc], bprm);
int copy_string_kernel(const char *arg, struct linux_binprm *bprm);