linux-kernel - Re: [patch 2/5] signalfd v2

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Date:	Thu, 8 Mar 2007 14:59:08 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Oleg Nesterov <oleg@...sign.ru>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Avi Kivity <avi@...o.co.il>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [patch 2/5] signalfd v2 - signalfd core ...

On Thu, 8 Mar 2007, Linus Torvalds wrote:

> 
> 
> On Fri, 9 Mar 2007, Oleg Nesterov wrote:
> > 
> > Also. A malicious user can eat all memory, signalfd_deliver()->kmem_cache_alloc()
> > doesn't check any limits.
> 
> This, btw, is one reason I *really* think signalfd() should just use the 
> same old signal queue, and not try to make its own.
> 
> Signal queueing and unqueuing simply isn't that simple. 

Alrighty. Back to the dequeue_signal ...



- Davide


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