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net: graceful exit from netif_alloc_netdev_queues()
authorEric Dumazet <edumazet@google.com>
Mon, 6 Jul 2015 15:13:26 +0000 (17:13 +0200)
committerDavid S. Miller <davem@davemloft.net>
Wed, 8 Jul 2015 22:46:17 +0000 (15:46 -0700)
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@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c patch | blob | history

diff --cc net/core/dev.c
Simple merge
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