From: "David S. Miller" <davem@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: netdev@oss.sgi.com
Subject: Re: old NLMSG_OK fix
Date: Sun, 27 Jun 2004 20:51:33 -0700 [thread overview]
Message-ID: <20040627205133.11d37f0c.davem@redhat.com> (raw)
In-Reply-To: <20040627171552.GA2797@lst.de>
On Sun, 27 Jun 2004 19:15:52 +0200
Christoph Hellwig <hch@lst.de> wrote:
> http://oss.sgi.com/projects/netdev/archive/2000-09/msg00001.html
It works because there is always 16 bytes of scratch at the end of an
SKB more than was allocated for the actual data. So blindly deref'ing
the nlmsg_len value is fine here.
There is no danger for OOPS's or kernel corruption.
I believe I responded exactly like this the last time this
patch was presented.
next prev parent reply other threads:[~2004-06-28 3:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-31 16:04 old NLMSG_OK fix Christoph Hellwig
2004-06-27 17:15 ` Christoph Hellwig
2004-06-28 3:51 ` David S. Miller [this message]
2004-06-28 9:43 ` Herbert Xu
2004-06-28 18:22 ` David S. Miller
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