Re: [RFC PATCH net-next] netpoll: hold RCU while walking napi_list

[Jakub Kicinski]

On Sat, 27 Jun 2026 18:12:28 +0800 Runyu Xiao wrote:
> CONFIG_PROVE_RCU_LIST reports the poll_napi() traversal when the helper
> is exercised directly from netpoll_poll_dev(). The current source has
> important lifetime defenses around NAPI deletion and netpoll device
> close, so this is not presented as a proven use-after-free. The issue is
> that the RCU-list reader contract is implicit at the helper boundary.

Please provide the stack trace from the report, rather than just saying
that you can trigger it.
-- 
pw-bot: rfc