netdev - Re: [PATCH V2] ipvlan:Fix out-of-bounds caused by unclear skb->cb

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Date: Wed, 10 May 2023 09:40:21 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: t.feng <fengtao40@...wei.com>
Cc: netdev@...r.kernel.org, lucien.xin@...il.com, luwei32@...wei.com,
 pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com, davem@...emloft.net,
 yanan@...wei.com, fw@...len.de
Subject: Re: [PATCH V2] ipvlan:Fix out-of-bounds caused by unclear skb->cb

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Wed, 10 May 2023 11:50:44 +0800 you wrote:
> If skb enqueue the qdisc, fq_skb_cb(skb)->time_to_send is changed which
> is actually skb->cb, and IPCB(skb_in)->opt will be used in
> __ip_options_echo. It is possible that memcpy is out of bounds and lead
> to stack overflow.
> We should clear skb->cb before ip_local_out or ip6_local_out.
> 
> v2:
> 1. clean the stack info
> 2. use IPCB/IP6CB instead of skb->cb
> 
> [...]

Here is the summary with links:
  - [V2] ipvlan:Fix out-of-bounds caused by unclear skb->cb
    https://git.kernel.org/netdev/net/c/90cbed524743

You are awesome, thank you!
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