Re: [PATCH] macvlan: Skip loopback packets in RX handler

[David Miller]

From: Alexander A Sverdlin <alexander.sverdlin@xxxxxxxxx>
Date: Tue, 26 May 2020 14:27:51 +0200

> From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> 
> Ignore loopback-originatig packets soon enough and don't try to process L2
> header where it doesn't exist. The very similar br_handle_frame() in bridge
> code performs exactly the same check.
> 
> This is an example of such ICMPv6 packet:
 ...
> Call Trace, how it happens exactly:
>  ...
>  macvlan_handle_frame+0x321/0x425 [macvlan]
>  ? macvlan_forward_source+0x110/0x110 [macvlan]
>  __netif_receive_skb_core+0x545/0xda0
 ...
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>

Applied to net-next, thanks.