[REGRESSION, bisect] mesh: SAE connection causes kernel crash

[Masashi Honma <masashi.honma@xxxxxxxxx>]

I have encountered kernel crash when I have used mesh SAE connection  
with ath9k_htc device (Sony UWA-BR100). I have tried to connect 2 peers  
to each other, then only one peer crashes.

By bisect, this commit looks causes this issue.

commit d8da0b5d64d58f7775a94bcf12dda50f13a76f22
Author: Cedric Izoard <Cedric.Izoard@xxxxxxxxxxxx>
Date:   Wed Dec 7 09:59:00 2016 +0000

    mac80211: Ensure enough headroom when forwarding mesh pkt

    When a buffer is duplicated during MESH packet forwarding,
    this patch ensures that the new buffer has enough headroom.

I do not have any crash log because the computer was fully uncontrollable.

Regards,
Masashi Honma.