netdev - Re: [PATCH v2 0/5] strict netlink validation

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Date:   Sat, 27 Apr 2019 17:07:37 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     dsa@...ulusnetworks.com
Cc:     johannes@...solutions.net, netdev@...r.kernel.org,
        pablo@...filter.org
Subject: Re: [PATCH v2 0/5] strict netlink validation

From: David Ahern <dsa@...ulusnetworks.com>
Date: Fri, 26 Apr 2019 20:28:20 -0600

> On 4/26/19 6:07 AM, Johannes Berg wrote:
>> Here's a respin, with the following changes:
>>  * change message when rejecting unknown attribute types (David Ahern)
>>  * drop nl80211 patch - I'll apply it separately
>>  * remove NL_VALIDATE_POLICY - we have a lot of calls to nla_parse()
>>    that really should be without a policy as it has previously been
>>    validated - need to find a good way to handle this later
>>  * include the correct generic netlink change (d'oh, sorry)
>> 
>> johannes
>> 
>> 
> 
> I agree with this set and will help moving forward. As I recall it
> requires follow up patches for each policy to set strict_start_type
> opting in to the strict checking. With that in place new userspace on
> old kernels will get a failure trying to configure a feature the old
> kernel does not recognize.
> 
> For the series:
> Acked-by: David Ahern <dsahern@...il.com>

Series applied, thanks everyone.