Date: Fri, 23 Feb 2001 15:57:31 -0800 From: "David O'Brien" <TrimYourCc@NUXI.com> To: Jordan Hubbard <jkh@osd.bsdi.com> Cc: arch@FreeBSD.ORG Subject: Re: sysctl kern.fallback_elf_brand Message-ID: <20010223155731.A72750@dragon.nuxi.com> In-Reply-To: <20010223075951D.jkh@osd.bsdi.com>; from jkh@osd.bsdi.com on Fri, Feb 23, 2001 at 07:59:51AM -0800 References: <20010223042641.B2539@dragon.nuxi.com> <20010223144211.I1899@ringworld.oblivion.bg> <20010223050512.G2539@dragon.nuxi.com> <20010223075951D.jkh@osd.bsdi.com>
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On Fri, Feb 23, 2001 at 07:59:51AM -0800, Jordan Hubbard wrote:
> > I'm turning off having a default in -CURRENT as we speak, until it can be
> > done right. I plan to MFC this for 4.3-R. Such reboots are
> > unacceptable.
>
> Erm, have you actually managed to *verify* such a reboot yet? I'd
> like to see this with my own eyes (or, as an acceptable substitute,
> yours :) before anything is done to "fix" it.
I've actually never been happy enough with the heuristics used and
fragility of the code in picking an ABI to run a binary under to trust it
to having a fall-back default. So this seemed like a good time to change
things since the Security Team is backing the change.
I personally don't think there should be a default fall-back. If we added
code to search for the .note.ABI-tag a lot more binaries would be
properly recognized.
--
-- David (obrien@FreeBSD.org)
GNU is Not Unix / Linux Is Not UniX
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