On 06/05/2018 09:41 AM, David Miller wrote:
> From: Eric Dumazet <eduma...@google.com>
> Date: Tue, 5 Jun 2018 09:25:19 -0700
>
>> It seems that rtnl_group_changelink() can call do_setlink
>> while a prior call to validate_linkmsg(dev = NULL, ...) could
>> not validate IFLA_ADDRESS / IFLA_BROADCAST
>>
>> Make sure do_setlink() calls validate_linkmsg() instead
>> of letting its callers having this responsibility.
>
> But now rtnl_newlink() will validate_linkmsg() twice....
>
Yes, is it a problem ? That is hardly fast path :)
