Re: [PATCH nf] netfilter: nf_tables: fix possible null-pointer dereference in object update

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Hi Phil,

I am sending a v2 with an explanation. Thanks!

On 9/4/19 8:58 AM, Phil Sutter wrote:
> Hi Fernando,
> 
> On Tue, Sep 03, 2019 at 11:33:13PM +0200, Fernando Fernandez Mancera wrote:
>> Fixes: d62d0ba97b58 ("netfilter: nf_tables: Introduce stateful object update operation")
>> Signed-off-by: Fernando Fernandez Mancera <ffmancera@xxxxxxxxxx>
> 
> Your patch looks good but please (always) provide a bit of explanation.
> In this case typical questions to answer in commit message are:
> - Why may obj->ops->update be NULL? For which object type are they not
>   defined?
> - How could one trigger the issue? In other words, why is
>   nft_obj_commit_update() called for the "wrong" object?
> 
> Cheers, Phil
> 



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