Re: [Lit.] Buffer overruns

From: Phil Carmody (thefatphil_demunged_at_yahoo.co.uk)
Date: 02/01/05


Date: 01 Feb 2005 17:01:51 +0200

jmfbahciv@aol.com writes:

> In article <873bwh377w.fsf@nonospaz.fatphil.org>,
> Phil Carmody <thefatphil_demunged@yahoo.co.uk> wrote:
> >jmfbahciv@aol.com writes:
> >> Would your code have no overflow if I set your indirect
> >> bit on hard in the instruction fetch?
> >
> >Would his code have no overflow if I reprogrammed the microcode
> >in the processor?
> >Would his code have no overflow if I replaced arbitrary bytes
> >with random values?
> >Would his code have no overflow if I replaced his executable on
> >the hard disk with one off the MSDN CD before running it?
> >
> >
> >These, and many more questions, like yours, are a complete irrelevancy.
> >Congratulations.
>
> Perhaps this is the reason there are buffer overflows. Unless
> the biz has changed dramatically, none on your list is irrelevant.

They're utterly irrelevent when it comes to the issue of whether his code
has buffer overflows. You're confusing his code with what you do with it.
Like people who confuse cryptographic primitives with protocols.

Phil

-- 
If a religion' is defined to be a system of ideas that contains unprovable
statements, then Godel taught us that mathematics is not only a religion, it
is the only religion that can prove itself to be one. -- John Barrow


Relevant Pages

  • Re: [Lit.] Buffer overruns
    ... > Phil Carmody wrote: ... >> Left bitshifts of signeds are only UB if they would overflow. ... > C allows twos complement, ... If a religion is defined to be a system of ideas that contains unprovable ...
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  • Re: [Lit.] Buffer overruns
    ... >>If the code does not contain a MEANS to overflow buffers, ... >>there will be no buffer overflow. ... the hard disk with one off the MSDN CD before running it? ... If a religion' is defined to be a system of ideas that contains unprovable ...
    (sci.crypt)
  • Re: [Lit.] Buffer overruns
    ... >>Would his code have no overflow if I reprogrammed the microcode ... >>These, and many more questions, like yours, are a complete irrelevancy. ... >the biz has changed dramatically, none on your list is irrelevant. ...
    (sci.crypt)

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