Re: [PATCH net v2 0/1] net/sched: defer qdisc freeing after failed creation

From: patchwork-bot+netdevbpf

Date: Sat Sep 05 2026 - 15:51:17 EST


Hello:

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

On Wed, 2 Sep 2026 23:52:30 +0800 you wrote:
> This is v2 of the qdisc failed-creation lifetime fix posted by Kyle Zeng
> and David Lee [1]. The public reproducer is available in a follow-up
> message [2].
>
> When clsact binds a populated shared ingress block, ->init() can publish
> an embedded mini_Qdisc before qdisc_create() completes. A later invalid
> TCA_RATE makes estimator setup fail. The unwind removes the published
> pointer but frees the containing qdisc synchronously while tc_run() can
> still hold it.
>
> [...]

Here is the summary with links:
- [net,v2,1/1] net/sched: defer qdisc freeing after failed creation
https://git.kernel.org/netdev/net/c/e6662f2100f8

You are awesome, thank you!
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