netdev - Re: [PATCH net] ipvlan: don't deref eth hdr before checking it's set

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Date:   Mon, 09 Mar 2020 18:00:32 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     maheshb@...gle.com
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, mahesh@...dewar.net
Subject: Re: [PATCH net] ipvlan: don't deref eth hdr before checking it's
 set

From: Mahesh Bandewar <maheshb@...gle.com>
Date: Mon,  9 Mar 2020 15:56:56 -0700

> IPvlan in L3 mode discards outbound multicast packets but performs
> the check before ensuring the ether-header is set or not. This is
> an error that Eric found through code browsing.
> 
> Fixes: 2ad7bf363841 (“ipvlan: Initial check-in of the IPVLAN driver.”)
> Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>
> Reported-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable.