linux-kernel - Re: [PATCH 1/5] secmark: do not return early if there was no error

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Message-ID: <1286927424.2614.15.camel@localhost.localdomain>
Date:	Tue, 12 Oct 2010 19:50:24 -0400
From:	Eric Paris <eparis@...hat.com>
To:	James Morris <jmorris@...ei.org>
Cc:	linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
	netfilter@...r.kernel.org, paul.moore@...com,
	selinux@...ho.nsa.gov, sds@...ho.nsa.gov, jengelh@...ozas.de,
	linux-security-module@...r.kernel.org, mr.dash.four@...glemail.com,
	pablo@...filter.org
Subject: Re: [PATCH 1/5] secmark: do not return early if there was no error

On Wed, 2010-10-13 at 10:38 +1100, James Morris wrote:
> On Tue, 12 Oct 2010, Eric Paris wrote:
> 
> > Commit 4a5a5c73 attempted to pass decent error messages back to userspace for
> > netfilter errors.  In xt_SECMARK.c however the patch screwed up and returned
> > on 0 (aka no error) early and didn't finish setting up secmark.  This results
> > in a kernel BUG if you use SECMARK.
> > 
> 
> Does this need to go into current Linus?

It's been broken since v2.6.35-rc1 so it's not exactly new, but yes,
it's broken and will bug like this in current Linus.

-Eric

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