Re: [PATCH net] tun: Drain eBPF RCU callbacks on module exit

[patchwork-bot+netdevbpf]

Hello:

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

On Sat,  3 Oct 2026 17:38:21 +0800 you wrote:
> Replacing or clearing a TUN eBPF program defers its destruction to
> tun_prog_free(). In the device teardown path, tun_free_netdev() can queue
> this callback as a private destructor. The rcu_barrier() in
> netdev_run_todo() runs before private destructors, so it cannot drain the
> new callback.
> 
> After the last file or persistent-device reference is released, tun can
> therefore unload before the callback runs. Drain outstanding callbacks at
> the end of module cleanup so they cannot execute from freed module text.
> 
> [...]

Here is the summary with links:
  - [net] tun: Drain eBPF RCU callbacks on module exit
    https://git.kernel.org/netdev/net-next/c/28eef87694a5

You are awesome, thank you!
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