From: Florian Westphal <fw@strlen.de>
To: Vasily Averin <vvs@virtuozzo.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
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] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo
Date: Wed, 30 Jun 2021 11:49:49 +0200 [thread overview]
Message-ID: <20210630094949.GA18022@breakpoint.cc> (raw)
In-Reply-To: <65205a04-f1a3-9901-f6b7-eab8f482f37f@virtuozzo.com>
Vasily Averin <vvs@virtuozzo.com> 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@strlen.de>
next parent reply other threads:[~2021-06-30 9:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <65205a04-f1a3-9901-f6b7-eab8f482f37f@virtuozzo.com>
2021-06-30 9:49 ` Florian Westphal [this message]
2021-06-30 12:09 ` [PATCH NETFILTER] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo Pablo Neira Ayuso
2021-06-30 12:30 ` Vasily Averin
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