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Date:      Tue, 04 Apr 2000 00:16:51 -0700
From:      Peter Wemm <peter@netplex.com.au>
To:        Gary Jennejohn <garyj@muc.de>
Cc:        Bruce Evans <bde@zeta.org.au>, freebsd-current@FreeBSD.ORG
Subject:   Re: MLEN and crashes 
Message-ID:  <20000404071651.841C31CD7@overcee.netplex.com.au>
In-Reply-To: Message from Gary Jennejohn <garyj@peedub.muc.de>  of "Tue, 04 Apr 2000 08:59:41 %2B0200." <200004040659.IAA25879@peedub.muc.de> 

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Gary Jennejohn wrote:
> Peter Wemm writes:
> >Gary Jennejohn wrote:
> >> Bruce Evans writes:
> >> >On Mon, 3 Apr 2000, Gary Jennejohn wrote:
> >> >
> >> >> Bruce Evans writes:
> >> >> >On Sun, 2 Apr 2000, Gary Jennejohn wrote:
> >> >> >> I think we should nuke csu_hdr since it's not used anywhere. Is that
> >> >> >> what you really mean ?
> >> >> >
> >> >> >Yes.  I'm trying the following patch.  Only tested at compile time.
> >> >> >
> >> >> [patch snipped]
> >> >> 
> >> >> Thank you, Bruce ! This is pretty much the same patch I tested.
> >> >> 
> >> >> So, should I commit it ?
> >> >
> >> >If you have tested it :-).
> >> >
> >> 
> >> I'm running with the change right now. No problems.
> >
> >I would prefer that we did this:
> >
> >#define MAX_LEN  (min(128, MLEN))
> >
> >or something like that.  This should stop Bad Things happening if
> >somebody recompiles with MLEN set specifically to 128 (and is an ideal
> >MFC candidate for 4.x for when people set MLEN to 256 over there).
> >
> 
> This is a pretty good idea, too. But I already deleted csu_hdr in -current.
> It would be easy enough to back out the change if there's consensus.

No, leave csu_hdr deleted.  I am only talking about also changing the
#define MAX_LEN to something that's safe even if MLEN is overridden.

Cheers,
-Peter



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