Re: [PATCH NETFILTER] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo

[Florian Westphal]

Vasily Averin <vvs@xxxxxxxxxxxxx> wrote:
> Two patches listed below removed ctnetlink_dump_helpinfo call from under
> rcu_read_lock. Now its rcu_dereference generates following warning:
> =============================
> WARNING: suspicious RCU usage
> 5.13.0+ #5 Not tainted
> -----------------------------
> net/netfilter/nf_conntrack_netlink.c:221 suspicious rcu_dereference_check() usage!

Reviewed-by: Florian Westphal <fw@xxxxxxxxx>