Re: [PATCH net] tun: delete the flow entries of the moved queue on detach

[patchwork-bot+netdevbpf]

Hello:

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

On Wed,  4 Nov 2026 23:12:40 +0530 you wrote:
> When a queue is detached, __tun_detach() moves the last queue into the
> freed slot and decrements tun->numqueues. The flow entries that point at
> the old index of the moved queue, now tun->numqueues, are meant to be
> deleted, but the call passes tun->numqueues + 1, an index that never
> exists, so nothing is deleted.
> 
> Until those entries are refreshed by a write on their flow or age out,
> tun_automq_select_queue() returns an index past the last queue, and
> netdev_core_pick_tx() sends every such flow to queue 0 and warns:
> 
> [...]

Here is the summary with links:
  - [net] tun: delete the flow entries of the moved queue on detach
    https://git.kernel.org/netdev/net/c/4cc0a3f89707

You are awesome, thank you!
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