Messages in this thread | | | Date | Thu, 20 Jul 2000 17:45:57 -0700 | From | David Ford <> | Subject | Re: disk-destroyer.c |
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Speaking of such, are there any utils that allow me to do a lowlevel on an IDE drive? If not, how feasible is the task of writing one?
-d
Andre Hedrick wrote:
> On Thu, 20 Jul 2000, Ricky Beam wrote: > > > On Thu, 20 Jul 2000, Andre Hedrick wrote: > > >> > Here is the rouge program that can be slipped into CRON. > > >> > A perl script......you name the access point and it gets permission > > >> > KISS your DATA GONE! > > >> > > > >> > > >> it needs root right? so with this util root can trash the disk.. so what's > > >> new? > > > > > >All you have to do is trick the kernel into thinking the access is root. > > > > And all I have to do is "trick the kernel" into sending five bytes to your > > ATAPI or SCSI drive and it'll be chicken-fried! (12 bytes to some drives and > > it'll be on it's way back to the factory for a new flash rom.) > > This is why unresticted taskfile commands to ATA or SCSI must be filtered. > You make the point ever stronger. With the patch for ATA and diagnostic > TASK commands not enabled. the kernel can prevent what you are saying can > be done. Thus the stakes are now higher, and I did not want to bring SCSI > into this arena until a solution was in progress. But now you have > done it. > > SCSI has a one or two page taskfile limit, enough to do what you are > saying. > > Andre Hedrick > The Linux ATA/IDE guy > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/
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