Re: [PATCH net v2] l2tp: only return sessions of the given tunnel in l2tp_session_get()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Thu, 29 Oct 2026 23:26:17 -0400 you wrote:
> Commit 5f77c18ea556 ("l2tp: use IDR for all session lookups") made
> pppol2tp_connect() and the netlink session commands find sessions with
> l2tp_session_get(), passing the socket of the tunnel they name.
> 
> L2TPv3 session IDs are unique per network namespace, except that
> sessions carried over UDP are only unique per UDP socket, the socket of
> their tunnel. However, l2tp_v3_session_get() only checks the socket when
> another session has the same session ID. Otherwise it returns the
> session, whichever tunnel it belongs to. As of now, a session command
> that names the wrong tunnel acts on a session of another tunnel, and a
> PPPoL2TP socket for a second L2TPv3 tunnel fails with EEXIST, because it
> finds session 0 of the first tunnel.
> 
> [...]

Here is the summary with links:
  - [net,v2] l2tp: only return sessions of the given tunnel in l2tp_session_get()
    https://git.kernel.org/netdev/net/c/a75facf4bb3e

You are awesome, thank you!
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