Re: [PATCH net] enic: fix tx_hang_reset use-after-free on device removal

[patchwork-bot+netdevbpf]

Hello:

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

On Mon, 27 Jul 2026 23:26:30 -0700 you wrote:
> enic_remove() cancels the reset and change_mtu_work items but does not
> cancel tx_hang_reset. A TX timeout that fires while the device is being
> removed can schedule enic_tx_hang_reset() so that it runs after
> free_netdev(), resulting in a use-after-free.
> 
> cancel_work_sync() alone is not sufficient here: the still-live watchdog
> and notify paths can re-schedule these work items in the window between
> the cancel and unregister_netdev(). Use disable_work_sync(), which
> cancels the work and blocks any subsequent schedule_work() from
> requeuing it, and apply it to the reset and change_mtu_work items as
> well so the same requeue race is closed for all teardown work.
> 
> [...]

Here is the summary with links:
  - [net] enic: fix tx_hang_reset use-after-free on device removal
    https://git.kernel.org/netdev/net/c/ec680ea4ba1b

You are awesome, thank you!
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