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SubjectRe: [PATCH NETFILTER] netfilter: nfnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo
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On 6/30/21 3:09 PM, Pablo Neira Ayuso wrote:
>
> On Wed, Jun 30, 2021 at 11:49:49AM +0200, Florian Westphal wrote:
>> 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>
>
> I don't see this patch in netfilter's patchwork nor in
> netfilter-devel@vger.kernel.org
>
> Where did they go?

My original letter was graylisted.

"
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

coreteam@netfilter.org
host mail.netfilter.org [217.70.188.207]
SMTP error from remote mail server after RCPT TO:<coreteam@netfilter.org>:
450 4.2.0 <coreteam@netfilter.org>: Recipient address rejected:
Greylisted for 60 seconds: retry timeout exceeded
kadlec@netfilter.org
host mail.netfilter.org [217.70.188.207]
SMTP error from remote mail server after RCPT TO:<kadlec@netfilter.org>:
450 4.2.0 <kadlec@netfilter.org>: Recipient address rejected:
Greylisted for 60 seconds: retry timeout exceeded
pablo@netfilter.org
host mail.netfilter.org [217.70.188.207]
SMTP error from remote mail server after RCPT TO:<pablo@netfilter.org>:
450 4.2.0 <pablo@netfilter.org>: Recipient address rejected:
Greylisted for 60 seconds: retry timeout exceeded
linux-kernel@vger.kernel.org
host vger.kernel.org [23.128.96.18]
SMTP error from remote mail server after RCPT TO:<linux-kernel@vger.kernel.org>:
451 4.7.1 Hello [185.231.240.75], for recipient address <linux-kernel@vger.kernel.org> the policy analysis reported:
Greylisted, see http://postgrey.schweikert.ch/help/vger.kernel.org.html:
retry timeout exceeded
netfilter-devel@vger.kernel.org
host vger.kernel.org [23.128.96.18]
SMTP error from remote mail server after RCPT TO:<netfilter-devel@vger.kernel.org>:
451 4.7.1 Hello [185.231.240.75], for recipient address <netfilter-devel@vger.kernel.org> the policy analysis reported:
Greylisted, see http://postgrey.schweikert.ch/help/vger.kernel.org.html:
retry timeout exceeded
"
I'm expect it will be re-send in few hours.
othrevise I'll resend it once again via another mail server.

Thank you,
Vasily Averin


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