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echo: nthelp
to: Geo.
from: Mike N.
date: 2004-07-15 18:51:32
subject: Re: openbsd change testing

From: Mike N. 

On Thu, 15 Jul 2004 16:53:34 -0400, "Geo."  wrote:

>I'm a little confused, say you have a buffer overflow, so the only change to
>the code is to make it check the lenth of input and truncate it if it's
>longer than the buffer. Why would that require a lot of testing?

  Any change no matter how small *could* have unintended side effects, all
the way down to other software objects depending on the wrong behaviour.

   There's the hapless programmer who changed a comment and checked his
change in without testing.  It didn't even compile because the comments
area overflowed an internal compiler work area.

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