linux-kernel - Re: next-20080808: bash: fork: Resource temporarily unavailable

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Date:	Mon, 11 Aug 2008 10:44:06 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	David Howells <dhowells@...hat.com>
cc:	Grant Wilson <grant.wilson@....co.uk>,
	Jasper Bryant-Greene <jasper@...ton.co.nz>,
	Thomas Meyer <thomas@...3r.de>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linux-Next <linux-next@...r.kernel.org>
Subject: Re: next-20080808: bash: fork: Resource temporarily unavailable

On Mon, 11 Aug 2008, David Howells wrote:

> Grant Wilson <grant.wilson@....co.uk> wrote:
> 
> > [  223.039938] Rlimit EAGAIN (-1 >= 16375, uid 1000)
> > [  223.044744] copy_process() = -11
> > [  226.660319] Rlimit EAGAIN (-1 >= 16375, uid 1000)
> > [  226.664166] copy_process() = -11
> 
> Can you try the attached patch please?

This is working for me.  I'll push it to next-creds so it (hopefully) gets 
into the next linux-next for wider testing.


> 
> David
> ---
> CRED: Inc the user processes count on cred share return from copy_creds()
> 
> From: David Howells <dhowells@...hat.com>
> 
> Increment the user processes count in the case where copy_creds() returns after
> sharing the parent's credentials instead of allocating new ones.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> ---
> 
>  kernel/cred.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> 
> diff --git a/kernel/cred.c b/kernel/cred.c
> index f89c5e5..056ec90 100644
> --- a/kernel/cred.c
> +++ b/kernel/cred.c
> @@ -299,6 +299,7 @@ int copy_creds(struct task_struct *p, unsigned long clone_flags)
>  #endif
>  		p->real_cred = get_cred(p->cred);
>  		get_cred(p->cred);
> +		atomic_inc(&p->cred->user->processes);
>  		return 0;
>  	}
>  
> 

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