On 09/11/2018 04:44 AM, Paolo Abeni wrote:
> On Tue, 2018-09-11 at 03:27 -0700, Eric Dumazet wrote:
>> On 09/10/2018 11:54 PM, Paolo Abeni wrote:
>>> I *think* we can hit a similar condition with a tun device in IFF_NAPI
>>> mode.
>>
>> Why ?
>>
>> tun_get_user() does not attach skb to a socket, that would be quite useless
>> since skb
>>
>
> I think we can hit this code path:
>
> tun_get_user() -> tun_alloc_skb() -> sock_alloc_send_pskb() ->
> skb_set_owner_w()
>
> Than later napi and GRO.
>
No we can not.
Please look again.
