kern/89752: [bpf] [patch] bpf_validate() needs to do more checks

Jung-uk Kim jkim at FreeBSD.org
Wed Dec 7 16:10:22 PST 2005


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

From: Jung-uk Kim <jkim at FreeBSD.org>
To: Guy Harris <guy at alum.mit.edu>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/89752: [bpf] [patch] bpf_validate() needs to do more checks
Date: Wed, 7 Dec 2005 19:07:53 -0500

 On Wednesday 07 December 2005 06:37 pm, Jung-uk Kim wrote:
 > I found another problem.  BPF_MAXINSNS is tunable in FreeBSD and it
 > is not available to use for others.  If we remove the check also,
 > there's no difference from the previous implementation. :-(
 
 The only usable change for FreeBSD was this:
 
 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/net/bpf_filter.c.diff?r1=1.23&r2=1.24
 
 Is this okay for you?
 
 Thanks,
 
 Jung-uk Kim


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