linux-kernel - Re: [PATCH] samples/seccomp: fix endianness bug in LO

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Message-ID: <alpine.LRH.2.02.1208031437010.25196@tundra.namei.org>
Date:	Fri, 3 Aug 2012 14:37:27 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Kees Cook <keescook@...omium.org>
cc:	Heiko Carstens <heiko.carstens@...ibm.com>,
	Will Drewry <wad@...omium.org>,
	James Morris <james.l.morris@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] samples/seccomp: fix endianness bug in LO_ARG define

On Tue, 31 Jul 2012, Kees Cook wrote:

> On Tue, Jul 31, 2012 at 7:15 AM, Heiko Carstens
> <heiko.carstens@...ibm.com> wrote:
> > From: Heiko Carstens <heiko.carstens@...ibm.com>
> >
> > The LO_ARG define needs to consider endianness also for 32 bit builds.
> >
> > The "bpf_fancy" test case didn't work on s390 in 32 bit and compat mode
> > because the LO_ARG define resulted in a BPF program which read the upper
> > halve of the 64 bit system call arguments instead of the lower halves.
> >
> > Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
> 
> Good catch; thanks for the fix!
> 
> Acked-by: Kees Cook <keescook@...omium.org>

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next


-- 
James Morris
<jmorris@...ei.org>
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