netdev - Re: [PATCH net] net: graceful exit from netif_alloc_netdev

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Message-Id: <20150708.155041.406258593466011752.davem@davemloft.net>
Date:	Wed, 08 Jul 2015 15:50:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] net: graceful exit from netif_alloc_netdev_queues()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 06 Jul 2015 17:13:26 +0200

> From: Eric Dumazet <edumazet@...gle.com>
> 
> User space can crash kernel with
> 
> ip link add ifb10 numtxqueues 100000 type ifb
> 
> We must replace a BUG_ON() by proper test and return -EINVAL for
> crazy values.
> 
> Fixes: 60877a32bce00 ("net: allow large number of tx queues")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable, thanks.
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