From: Eric Dumazet <[email protected]>
Date: Mon, 06 Jul 2015 17:13:26 +0200

> From: Eric Dumazet <[email protected]>
> 
> 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 <[email protected]>

Applied and queued up for -stable, thanks.
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