Re: [PATCH net] net/sched: cls_api: fix teardown of an adopted proto on insert-race loss

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email protected]>:

On Wed,  5 Aug 2026 10:40:49 -0300 you wrote:
> In tc_new_tfilter() the create branch sets tp_created = 1 before calling
> tcf_chain_tp_insert_unique(). When the caller loses the race (another
> request inserted a proto at the same chain/prio first), insert_unique()
> destroys the caller's own tp_new and returns the winner's proto with an
> extra reference. tp_created was never cleared, so the loser's errout
> path treated the winner's live proto as its own and called
> tcf_chain_tp_delete_empty() on it, silently unlinking an active
> classifier that the winning request already advertised via
> RTM_NEWTFILTER.
> 
> [...]

Here is the summary with links:
  - [net] net/sched: cls_api: fix teardown of an adopted proto on insert-race loss
    https://git.kernel.org/netdev/net-next/c/d4e359b3608a

You are awesome, thank you!
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