netdev - Re: [PATCH net] ipv6: tunnels: fix two use-after-free

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Message-Id: <20181221.091938.904147802460766707.davem@davemloft.net>
Date:   Fri, 21 Dec 2018 09:19:38 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        steffen.klassert@...unet.com
Subject: Re: [PATCH net] ipv6: tunnels: fix two use-after-free

From: Eric Dumazet <edumazet@...gle.com>
Date: Fri, 21 Dec 2018 07:47:51 -0800

> xfrm6_policy_check() might have re-allocated skb->head, we need
> to reload ipv6 header pointer.
> 
> sysbot reported :
 ...
> Fixes: 0d3c703a9d17 ("ipv6: Cleanup IPv6 tunnel receive path")
> Fixes: ed1efb2aefbb ("ipv6: Add support for IPsec virtual tunnel interfaces")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Steffen Klassert <steffen.klassert@...unet.com>

Applied and queued up for -stable, thanks Eric.