From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Vasily Averin <vvs@virtuozzo.com>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>,
Florian Westphal <fw@strlen.de>, Taehee Yoo <ap420073@gmail.com>,
Julian Anastasov <ja@ssi.bg>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH NETFILTER v2] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo
Date: Fri, 2 Jul 2021 02:54:22 +0200 [thread overview]
Message-ID: <20210702005422.GA29227@salvia> (raw)
In-Reply-To: <3b140111-8af0-176f-d3d0-567e8051eaf4@virtuozzo.com>
On Thu, Jul 01, 2021 at 08:02:49AM +0300, Vasily Averin 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!
Applied.
prev parent reply other threads:[~2021-07-02 0:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-01 5:02 [PATCH NETFILTER v2] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo Vasily Averin
2021-07-02 0:54 ` Pablo Neira Ayuso [this message]
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