From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Mon, 28 Nov 2011 10:55:16 +0100
>> With slub debugging on I see red zone issues in /proc/*/net/dev_mcast:
>>
>> =============================================================================
>> BUG kmalloc-8: Redzone overwritten
>> -----------------------------------------------------------------------------
...
>> dev_mc_seq_ops uses dev_seq_start/next/stop but only allocates
>> sizeof(struct seq_net_private) of private data, whereas it expects
>> sizeof(struct dev_iter_state):
>>
>> struct dev_iter_state {
>> struct seq_net_private p;
>> unsigned int pos; /* bucket << BUCKET_SPACE + offset */
>> };
>>
>> Create dev_seq_open_ops and use it so we don't have to expose
>> struct dev_iter_state.
>>
>> Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
...
> Problem added by commit f04565ddf52e4 (dev: use name hash for
> dev_seq_ops)
>
>
> Acked-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> CC: Mihai Maruseac <mihai.maruseac@xxxxxxxxx>
Applied, thanks everyone.
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