From: Rik van Riel <riel@redhat.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] prevent NULL mmap in topdown model
Date: Wed, 18 May 2005 22:25:25 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.61.0505182224250.29123@chimarrao.boston.redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0505181535210.18337@ppc970.osdl.org>
On Wed, 18 May 2005, Linus Torvalds wrote:
> Why not just change the "addr >= len" test into "addr > len" and be done
> with it?
If you're fine with not catching dereferences of a struct
member further than PAGE_SIZE into a struct when the struct
pointer is NULL, sure ...
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan
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next prev parent reply other threads:[~2005-05-19 2:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-18 19:57 Rik van Riel
2005-05-18 20:38 ` Arjan van de Ven
2005-05-18 21:16 ` Rik van Riel
2005-05-18 22:41 ` Linus Torvalds
2005-05-18 22:39 ` Linus Torvalds
2005-05-19 2:25 ` Rik van Riel [this message]
2005-05-19 2:47 ` Linus Torvalds
2005-05-19 6:46 ` Chris Wright
2005-05-19 8:15 ` Arjan van de Ven
2005-05-19 8:23 ` Chris Wright
2005-05-29 21:16 ` Greg Stark
2005-05-31 16:56 ` Chris Wright
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