linux-kernel - Re: [RFC][PATCH 0/3] fork: Add the ability to create tasks with given pids

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20111117160249.GA14002@redhat.com>
Date:	Thu, 17 Nov 2011 17:02:50 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Pavel Emelyanov <xemul@...allels.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...ux.intel.com>,
	Roland McGrath <roland@...k.frob.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	James Bottomley <jbottomley@...allels.com>
Subject: Re: [RFC][PATCH 0/3] fork: Add the ability to create tasks with
	given pids

On 11/17, Pavel Emelyanov wrote:
>
> On 11/17/2011 07:49 PM, Oleg Nesterov wrote:
> >
> > But. Speaking of API, it differs a bit compared to the previous version...
> >
> >> The API will be used like in the code below
> >>
> >> 	/* restore new pid namespace with an init in it */
> >> 	pid = clone(CLONE_NEWPID);
> >
> > Yes, CLONE_NEWPID | CLONE_CHILD_USEPIDS is not possible.
>
> It should be.

Yes, I was wrong, sorry. I misread the ->child_reaper == NULL in 3/3.

We simply ignore child_tidptr[0] in this case. This should work.

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/