Re: [PATCH net v3 1/2] net/sched: sch_hfsc: bound the classify inner-filter walk with a drift budget

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Thu, 17 Sep 2026 06:57:32 -0400 you wrote:
> hfsc_classify() applies the "filter may only point downwards" level check
> only when the filter result carries no bound class. A filter created with
> a flowid gets res.class set once at bind time, so the check never runs for
> it during classification. hfsc_adjust_levels() can later raise a class's
> level without revalidating existing bindings, leaving two binds that were
> each legal at bind time pointing at each other; the classify walk then
> bounces between two interior classes forever with the qdisc lock held and
> BH disabled — a soft lockup from a single packet. The stuck walk trips
> the watchdog:
> 
> [...]

Here is the summary with links:
  - [net,v3,1/2] net/sched: sch_hfsc: bound the classify inner-filter walk with a drift budget
    https://git.kernel.org/netdev/net/c/8a60ade2277e
  - [net,v3,2/2] selftests: tc-testing: add a lateral-drift hfsc classify-walk test
    https://git.kernel.org/netdev/net/c/1e24c4f2ee44

You are awesome, thank you!
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