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Date:      Wed, 7 Dec 2005 23:20:08 GMT
From:      Guy Harris <guy@alum.mit.edu>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/89752: [bpf] [patch] bpf_validate() needs to do more checks
Message-ID:  <200512072320.jB7NK8r5086832@freefall.freebsd.org>

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The following reply was made to PR kern/89752; it has been noted by GNATS.

From: Guy Harris <guy@alum.mit.edu>
To: Jung-uk Kim <jkim@FreeBSD.org>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/89752: [bpf] [patch] bpf_validate() needs to do more checks
Date: Wed, 7 Dec 2005 15:11:03 -0800

 On Dec 7, 2005, at 2:32 PM, Jung-uk Kim wrote:
 
 > It looks good but `bpf_maxbufsize' may be unavailable to other
 > consumers such as ng_bpf(4) and it doesn't make sense to them.
 
 Then that check can probably be removed - OpenBSD's consumers might  
 all use bpf_maxbufsize, so it was OK for them, and it's just an  
 optimization anyway (as the comment says, a "More strict check with  
 actual packet length is done runtime").
 
 (BTW, this was from OpenBSD; if you check it in, say it's from Otto  
 Moerbeek's changes to OpenBSD, do *NOT* give me direct credit for it!)



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