Re: [PATCH net v2] ip6_gre: remove obsolete ERSPAN PMTU update

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri,  2 Oct 2026 12:30:58 +0900 you wrote:
> A tc tunnel_key action can attach a METADATA_IP_TUNNEL dst to an skb,
> and mirred can redirect it to a native ip6erspan device. The legacy PMTU
> update in ip6erspan_tunnel_xmit() treats that metadata dst as a route.
> Since it has no output device, dst_dev(dst)->mtu dereferences NULL.
> 
> On v7.2 with KASAN, an initial UID/GID 65534 process with CapEff 0 used
> self-created user and network namespaces to trigger:
> 
> [...]

Here is the summary with links:
  - [net,v2] ip6_gre: remove obsolete ERSPAN PMTU update
    https://git.kernel.org/netdev/net/c/8bc60db48e8c

You are awesome, thank you!
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