netdev - Re: [PATCH net] tunnels: fix out of bounds access when building IPv6 PMTU error

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Message-Id: 
 <170696462608.20224.15153343992903506175.git-patchwork-notify@kernel.org>
Date: Sat, 03 Feb 2024 12:50:26 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Antoine Tenart <atenart@...nel.org>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 edumazet@...gle.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] tunnels: fix out of bounds access when building IPv6 PMTU
 error

Hello:

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

On Thu,  1 Feb 2024 09:38:15 +0100 you wrote:
> If the ICMPv6 error is built from a non-linear skb we get the following
> splat,
> 
>   BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240
>   Read of size 4 at addr ffff88811d402c80 by task netperf/820
>   CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543
>   ...
>    kasan_report+0xd8/0x110
>    do_csum+0x220/0x240
>    csum_partial+0xc/0x20
>    skb_tunnel_check_pmtu+0xeb9/0x3280
>    vxlan_xmit_one+0x14c2/0x4080
>    vxlan_xmit+0xf61/0x5c00
>    dev_hard_start_xmit+0xfb/0x510
>    __dev_queue_xmit+0x7cd/0x32a0
>    br_dev_queue_push_xmit+0x39d/0x6a0
> 
> [...]

Here is the summary with links:
  - [net] tunnels: fix out of bounds access when building IPv6 PMTU error
    https://git.kernel.org/netdev/net/c/d75abeec401f

You are awesome, thank you!
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