From: Florian Westphal <fw@strlen•de>
To: Ziyang Xuan <william.xuanziyang@huawei•com>
Cc: pablo@netfilter•org, kadlec@netfilter•org, fw@strlen•de,
davem@davemloft•net, edumazet@google•com, kuba@kernel•org,
pabeni@redhat•com, netfilter-devel@vger•kernel.org,
coreteam@netfilter•org, netdev@vger•kernel.org,
linux-kernel@vger•kernel.org
Subject: Re: [PATCH] netfilter: nfnetlink: fix potential dead lock in nfnetlink_rcv_msg()
Date: Thu, 3 Nov 2022 12:03:41 +0100 [thread overview]
Message-ID: <20221103110341.GA29268@breakpoint.cc> (raw)
In-Reply-To: <20221103011202.2160107-1-william.xuanziyang@huawei.com>
Ziyang Xuan <william.xuanziyang@huawei•com> wrote:
> When type is NFNL_CB_MUTEX and -EAGAIN error occur in nfnetlink_rcv_msg(),
> it does not execute nfnl_unlock(). That would trigger potential dead lock.
>
> Fixes: 50f2db9e368f ("netfilter: nfnetlink: consolidate callback types")
Applied to nf:testing, thanks.
prev parent reply other threads:[~2022-11-03 11:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-03 1:12 [PATCH] netfilter: nfnetlink: fix potential dead lock in nfnetlink_rcv_msg() Ziyang Xuan
2022-11-03 11:03 ` Florian Westphal [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221103110341.GA29268@breakpoint.cc \
--to=fw@strlen$(echo .)de \
--cc=coreteam@netfilter$(echo .)org \
--cc=davem@davemloft$(echo .)net \
--cc=edumazet@google$(echo .)com \
--cc=kadlec@netfilter$(echo .)org \
--cc=kuba@kernel$(echo .)org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=netdev@vger$(echo .)kernel.org \
--cc=netfilter-devel@vger$(echo .)kernel.org \
--cc=pabeni@redhat$(echo .)com \
--cc=pablo@netfilter$(echo .)org \
--cc=william.xuanziyang@huawei$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox