From: patchwork-bot+netdevbpf@kernel.org
To: Daehyeon Ko <4ncienth@gmail.com>
Cc: dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, u9012063@gmail.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v2] ip6_gre: remove obsolete ERSPAN PMTU update
Date: Tue, 06 Oct 2026 23:20:10 +0000 [thread overview]
Message-ID: <179132881061.2823248.4901834804478631312.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261002033058.358137-1-4ncienth@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
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!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-10-06 23:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-02 3:30 [PATCH net v2] ip6_gre: remove obsolete ERSPAN PMTU update Daehyeon Ko
2026-10-04 7:27 ` Ido Schimmel
2026-10-06 23:20 ` patchwork-bot+netdevbpf [this message]
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