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Re: Compaq Alpha Bounds Checking

daemon@ATHENA.MIT.EDU (Brett Lymn)
Fri Oct 22 00:26:39 1999

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Message-Id:  <199910220124.KAA11038@mallee.awadi>
Date:         Fri, 22 Oct 1999 10:54:55 +0930
Reply-To: Brett Lymn <blymn@BAEA.COM.AU>
From: Brett Lymn <blymn@BAEA.COM.AU>
X-To:         crispin@CSE.OGI.EDU
To: BUGTRAQ@SECURITYFOCUS.COM
In-Reply-To:  <380F5521.C7898D2E@cse.ogi.edu> from "Crispin Cowan" at Oct 21,
              99 06:02:09 pm

According to Crispin Cowan:
>
>.  Since a very large proportion of
>"array bounds" problems have to do with improper use of library functions, this
>is a critical issue.
>

FWIW Luke Mewburn has added basic argument checking to the NetBSD libc
code, not bounds checking but still helpful.  I believe this work has
been put into NetBSD-current as an optional feature due to the fact
that the argument checking _can_ have a significant negative effect on
the library call performance.

--
===============================================================================
Brett Lymn, Computer Systems Administrator, British Aerospace Australia
===============================================================================

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