linux-kernel - Re: [PATCH 0/7][RFC] pid: changes to support audit

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Date:	Wed, 19 Feb 2014 18:47:45 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Richard Guy Briggs <rgb@...hat.com>
Cc:	akpm@...ux-foundation.org, eparis@...hat.com, sgrubb@...hat.com,
	peterz@...radead.org, linux-audit@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7][RFC] pid: changes to support audit

Richard,

I am sorry for delay, I'll try to review this series tomorrow.

But at first glance, can't you send 2/7 first and join 1/7 and 3/7?

And since you change is_global_init() perhaps you can also fix it?
It actually needs tgid.

On 02/19, Richard Guy Briggs wrote:
>
> Andrew,
>
> Are you willing to shepherd this patchset?
>
> On 14/01/23, Richard Guy Briggs wrote:
> > These are a number of patches inspired by ebiederman's container work that were
> > included by me 2013-08-20 as the patchset:
> > 	RFC: steps to make audit pid namespace-safe
> >
> > They have been seperated out for the pid maintainer since there are no direct
> > dependencies from the audit pid namespace patchset with the exception of:
> > 	pid: get pid_t ppid of task in init_pid_ns
> >
> > Andrew, are you willing to adopt these?
> >
> > In particular, there is discussion around read-only task_struct::pid here:
> > 	https://lkml.org/lkml/2013/12/16/552
> >
> > Richard Guy Briggs (7):
> >   pid: change task_struct::pid to read-only
> >   compiler: CONST_CAST makes writing const vars easier and obvious
> >   pid: use the CONST_CAST macro instead to write to const
> >     task_struct::pid
> >   pid: modify task_tgid_nr to work without task->tgid.
> >   pid: rewrite task helper function is_global_init() avoiding task->pid
> >   pid: mark struct task const in helper functions
> >   pid: get pid_t ppid of task in init_pid_ns
> >
> >  arch/x86/kernel/process.c |    2 +-
> >  fs/exec.c                 |    2 +-
> >  include/linux/compiler.h  |    8 ++++++
> >  include/linux/sched.h     |   60 +++++++++++++++++++++++++++++---------------
> >  kernel/fork.c             |    5 ++-
> >  kernel/pid.c              |    4 +-
> >  6 files changed, 54 insertions(+), 27 deletions(-)
> >
>
> - RGB
>
> --
> Richard Guy Briggs <rbriggs@...hat.com>
> Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat
> Remote, Ottawa, Canada
> Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545

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