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SubjectRe: [PATCH v3 0/3] Send audit/procinfo/cgroup data in socket-level control message
On Wed, Sep 04, 2013 at 10:58:30AM -0400, Richard Guy Briggs wrote:
> On Wed, Sep 04, 2013 at 12:42:26AM -0700, Eric W. Biederman wrote:
> > Jan Kaluza <jkaluza@redhat.com> writes:
> > > this patchset against net-next (applies also to linux-next) adds 3 new types
> > > of "Socket"-level control message (SCM_AUDIT, SCM_PROCINFO and SCM_CGROUP).
>
> > By my count you have overflowed cb in struct sk_buff and are stomping on
> > _skb_refdest.
>
> For patch1/3 I count 56/48, then for patch3 I get 48/48. Jan, you might
> do the conversion to a pointer in patch1/3 to avoid bisect breakage.

Wait, that __aligned(8) is for cb[48], not for the contents.

For patch1/3 I count 28/48 on 32-bit, 36/48 on 64-bit (or would that be
56 by default on 64-bit arches without aligned specified?), then for
patch3 I get 24/48 on 32 and 40/48 on 64 (or again 48/48 by default?).

> > Eric
>
> - RGB

- RGB

--
Richard Guy Briggs <rbriggs@redhat.com>
Senior Software Engineer
Kernel Security
AMER ENG Base Operating Systems
Remote, Ottawa, Canada
Voice: +1.647.777.2635
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