Re: [PATCH net v2] netpoll: fix a use-after-free on shutdown path

[patchwork-bot+netdevbpf]

Hello:

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

On Thu, 25 Jun 2026 05:03:18 -0700 you wrote:
> There is a use-after-free error on netpoll, which is clearly detected by
> KASAN.
> 
>       BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x3b/0x80
>       Read of size 1 at addr ... by task kworker/9:1
>       Workqueue: events queue_process
>       Call Trace:
>        skb_dequeue+0x1e/0xb0
>        queue_process+0x2c/0x600
>        process_scheduled_works+0x4b6/0x850
>        worker_thread+0x414/0x5a0
>       Allocated by task 242:
>        __netpoll_setup+0x201/0x4a0
>        netpoll_setup+0x249/0x550
>        enabled_store+0x32f/0x380
>       Freed by task 0:
>        kfree+0x1b7/0x540
>        rcu_core+0x3f8/0x7a0
> 
> [...]

Here is the summary with links:
  - [net,v2] netpoll: fix a use-after-free on shutdown path
    https://git.kernel.org/netdev/net/c/45f1458a8501

You are awesome, thank you!
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