Re: [PATCH net] net/sched: act_ct: don't WARN on benign flow_offload_alloc() failure

From: patchwork-bot+netdevbpf

Date: Fri Sep 18 2026 - 19:41:23 EST


Hello:

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

On Tue, 15 Sep 2026 22:08:16 +0700 you wrote:
> flow_offload_alloc() returns NULL when the conntrack entry is dying
> (e.g. raced with a conntrack flush) or when the GFP_ATOMIC allocation
> fails; both are expected under load and neither is a kernel bug. This
> path runs from softirq on every committed packet, so with
> panic_on_warn=1 an unprivileged user can panic the box just by racing
> a conntrack flush against a `tc ... action ct commit` classifier.
>
> [...]

Here is the summary with links:
- [net] net/sched: act_ct: don't WARN on benign flow_offload_alloc() failure
https://git.kernel.org/netdev/net/c/47abe7a5c4eb

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