Re: [PATCH] net: cgroup: fix out of bounds accesses

[David Miller]

From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Date: Mon, 09 Jul 2012 16:15:29 +0800

> 于 2012年07月09日 15:45, Eric Dumazet 写道:
>> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>> 
>> dev->priomap is allocated by extend_netdev_table() called from
>> update_netdev_tables().
>> And this is only called if write_priomap() is called.
>> 
>> But if write_priomap() is not called, it seems we can have out of bounds
>> accesses in cgrp_destroy(), read_priomap() & skb_update_prio()
>> 
>> With help from Gao Feng
>> 
>> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
>> Cc: Neil Horman <nhorman@xxxxxxxxxxxxx>
>> Cc: Gao feng <gaofeng@xxxxxxxxxxxxxx>
>> ---
>> net/core/dev.c            |    8 ++++++--
>> net/core/netprio_cgroup.c |    4 ++--
>> 2 files changed, 8 insertions(+), 4 deletions(-)
> 
> Acked-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>

Applied.
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