Messages in this thread | | | Date | Fri, 02 Jul 1999 12:57:03 -0700 | From | David Ford <> | Subject | Re: [security]: kernel ioctl()'s [3] |
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Jim Dennis wrote:
> > assumptions are generally bad. > Failure to check for errors is often BAD.
very :)
> > two situations immediately come to mind. > > > - extended attribute; immutable > > - extended attribute; append only > > - filesystem mounted RO > > - 100% filesystem usage, 0% free > > --- that's four;
actually i was thinking attributes and filesystems, just made a transition without typing it.
> Let's also add > > - System is BSD 4.4 and user immutable or user append-only > UFS flag is set.
indeed, it's much better to be overly cautious about checking than it is to assume input is within parameters.
-d
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