Petr Tesarik wrote: >[...] > 4. While talking about RNAT, does the RBS syncing back and forth > handle correctly the case when part of the RNAT stored in the backing > store belongs to the kernel registers? It must not be possible to change > the NAT bits for kernel registers from userspace! > > Maybe it's not an issue, because I tried to actually exploit this > bug, and my attempts failed.
I've just verified that put_rnat() does the right thing here (even prevents setting NaT for syscall arguments), so modifying RNAT bits is no problem. The other things still apply. Regards, Petr Tesarik - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
