From: Nicolas Dichtel <[email protected]>
Date: Thu, 29 Nov 2018 14:45:39 +0100
> It's not supported right now (the goal of the initial patch was to support
> 'ip link del' only).
>
> Before the patch:
> $ ip link add foo type tun
> [ 239.632660] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000000
> [snip]
> [ 239.636410] RIP: 0010:register_netdevice+0x8e/0x3a0
>
> This panic occurs because dev->netdev_ops is not set by tun_setup(). But to
> have something usable, it will require more than just setting
> netdev_ops.
>
> Fixes: f019a7a594d9 ("tun: Implement ip link del tunXXX")
> CC: Eric W. Biederman <[email protected]>
> Signed-off-by: Nicolas Dichtel <[email protected]>
Super old bug, scary.
Applied, thanks.
