Re: [PATCH] usb: atm: cxacru: fix use-after-free in cxacru_poll_status

[email protected] Thu, 06 Aug 2026 15:50:31 +0000

Newsgroups	org.kernel.vger.linux-usb,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<178603143113.1348318.14998950498221674047.git-patchwork-notify@kernel.org>

Hello:

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

On Mon,  3 Aug 2026 18:17:16 +0800 you wrote:
> In cxacru_unbind(), cancel_delayed_work_sync() was conditionally skipped
> when poll_state was CXPOLL_STOPPED. However, a work item previously
> scheduled when poll_state was CXPOLL_POLLING may still be pending in the
> workqueue at the time poll_state transitions to CXPOLL_STOPPED. Skipping
> cancel_delayed_work_sync() in this case allows the work to fire after
> cxacru_data is freed, causing a use-after-free when cxacru_poll_status()
> attempts to acquire instance->poll_state_serialize.
> 
> [...]

Here is the summary with links:
  - usb: atm: cxacru: fix use-after-free in cxacru_poll_status
    https://git.kernel.org/netdev/net-next/c/b5b02ce65777

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html