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From: daw@cs.berkeley.edu (David Wagner)
Newsgroups: isaac.lists.linux-kernel
Subject: Re: [Patch] net: fix an array index overflow
Date: Tue, 1 Dec 2009 16:05:54 +0000 (UTC)
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Amerigo Wang  wrote:
> Don't use the address of an out-of-boundary element.

Why not?  There is nothing wrong with using a pointer to an element
one-past-the-end in this way.  It's idiomatic C.