netdev - Re: [PATCH v2] gre: Avoid kernel panic by clearing IPCB before dst_link

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Date:	Mon, 22 Feb 2016 04:57:05 +0000
From:	Bernie Harris <Bernie.Harris@...iedtelesis.co.nz>
To:	David Miller <davem@...emloft.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"kuznet@....inr.ac.ru" <kuznet@....inr.ac.ru>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH v2] gre: Avoid kernel panic by clearing IPCB before
 dst_link_failure called

> Again, I want to see this implemented in a way which causes things to be
> treated consistently across all tunneling types.
>
> Which means fixing the exact problem, IPCB(skb)->opt needing initilization.
>
> Thanks.

Thanks for the reply. I have revised my patch to apply to the range of tunnel types, and to only clear the opt field.