linux-kernel - Re: [PATCH IPV6 v3 1/1] ipv6: allocate enough headroom in ip6_finish

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Date:   Mon, 12 Jul 2021 18:30:03 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Vasily Averin <vvs@...tuozzo.com>
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, eric.dumazet@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH IPV6 v3 1/1] ipv6: allocate enough headroom in
 ip6_finish_output2()

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 12 Jul 2021 09:45:06 +0300 you wrote:
> When TEE target mirrors traffic to another interface, sk_buff may
> not have enough headroom to be processed correctly.
> ip_finish_output2() detect this situation for ipv4 and allocates
> new skb with enogh headroom. However ipv6 lacks this logic in
> ip_finish_output2 and it leads to skb_under_panic:
> 
>  skbuff: skb_under_panic: text:ffffffffc0866ad4 len:96 put:24
>  head:ffff97be85e31800 data:ffff97be85e317f8 tail:0x58 end:0xc0 dev:gre0
> 
> [...]

Here is the summary with links:
  - [IPV6,v3,1/1] ipv6: allocate enough headroom in ip6_finish_output2()
    https://git.kernel.org/netdev/net/c/5796015fa968

You are awesome, thank you!
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