Re: Microsoft ZERO Sector Virus, Result of Taskfile WAR

[Andre Hedrick <andre@linux-ide.org>]

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Then run this and see if you live.

On Wed, 7 Mar 2001, Craig Ruff wrote:

> On Wed, Mar 07, 2001 at 12:32:08PM -0800, Andre Hedrick wrote:
> > The SCSI low-level format glue performed by the HOST gets destroyed
> > If you write to LBA Zero.
> 
> This is simply not true.  I write to SCSI disk's block 0 all of the time
> and never loose data.  Obviously, you can lose the partition information
> if that is where it is kept.  I've also never had trouble with SCSI
> disks correctly writing multiple sectors starting at block zero.  This
> includes older Quantum drives.
> -
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> 

Andre Hedrick
Linux ATA Development
ASL Kernel Development
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/* scsikiller.c */
#include <sys/ioctl.h>
#include <sys/fcntl.h>
#include <scsi/scsi.h>

struct cdb6hdr{
	unsigned int inbufsize;
	unsigned int outbufsize;
	unsigned char cdb [6];
} __attribute__ ((packed));

int main (int argv, char **argc)
{
	int fd;
	unsigned char tBuf[526];
	struct cdb6hdr *ioctlhdr;

	if (argv != 2) exit(-1);
	
	fd = open (*(argc+1), O_RDWR );
	if (fd < 0) exit (-1);

	memset(&tBuf, 0, 526);
  
	ioctlhdr = (struct cdb6hdr *) &tBuf;
  
	ioctlhdr->inbufsize = 512;
	ioctlhdr->outbufsize = 0;
	ioctlhdr->cdb[0] = WRITE_6;
	ioctlhdr->cdb[4] = 1;
  
	return ioctl(fd, 1, &tBuf);
}