Well, since my videos show me exploiting the bug on multiple SMP and preemptible kernels, that's false. If you would read the exploit source you'd see this.
Posted Jul 17, 2009 15:08 UTC (Fri) by trasz (guest, #45786)
[Link]
Erm, let me restate what I've written above - the kernel code mentioned above wouldn't be valid in any case, including SMP and preemptible kernel, contrary to what Regala said in the comment before.