On Sat, 30 Apr 2005, Kai Makisara wrote: > The patch at the end is against 2.6.11.8. > > The kernel currently allows any user permitted to access the tape device file > to send the tape drive commands that may either make the tape drivers internal ... > filtering. This patch solves the problem for tapes and no more elaborate > patches are needed. If those are merged to the kernel, this patch can be reversed. > > Signed-off-by: Kai Makisara <kai.makisara@xxxxxxxxxxx> > > --- linux-2.6.11.8/drivers/scsi/st.c 2005-03-03 21:10:36.000000000 +0200 > +++ linux-2.6.11.8-k1/drivers/scsi/st.c 2005-04-30 09:57:21.000000000 +0300 > @@ -3414,7 +3414,10 @@ static int st_ioctl(struct inode *inode, > case SCSI_IOCTL_GET_BUS_NUMBER: > break; > default: > - i = scsi_cmd_ioctl(file, STp->disk, cmd_in, p); > + if (!capable(CAP_SYS_RAWIO)) > + i = -EPERM; > + else > + i = scsi_cmd_ioctl(file, STp->disk, cmd_in, p); > if (i != -ENOTTY) > return i; > break; Please hold this patch. Testing the corresponding patch for 2.6.12-rc showed that this is too restrictive. Best to wait until the next versions will be reviewed on the linux-scsi list and merged into -rc. -- Kai - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html