linux-kernel - Re: Zombie stuck in zap_pid_ns

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Message-ID: <20130324132047.GA13419@redhat.com>
Date:	Sun, 24 Mar 2013 14:20:47 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Caj Larsson <caj@...icloud.com>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Zombie stuck in zap_pid_ns_processes()

On 03/24, Eric W. Biederman wrote:
>
> --- a/kernel/pid_namespace.c
> +++ b/kernel/pid_namespace.c
> @@ -181,6 +181,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
>  	int nr;
>  	int rc;
>  	struct task_struct *task, *me = current;
> +	int init_pids = task_pid_vnr(me) == 1 ? 1 : 2;
                        ^^^^^^^^^^^^^^^^^^^^^

Ah, mt-init.

perhaps thread_group_leader(me) would be more clean/simple,
but I won't insist of course.

Oleg.

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