From: Jakub Kicinski <kuba@kernel.org>
To: Gustavo Luiz Duarte <gustavold@gmail.com>
Cc: Breno Leitao <leitao@debian.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@kernel.org>,
Paolo Abeni <pabeni@redhat.com>,
Stephen Hemminger <stephen@networkplumber.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3 0/2] netconsole: fix target enable race and configfs read locking
Date: Fri, 16 Oct 2026 18:51:02 -0700 [thread overview]
Message-ID: <20261016185102.19cf818b@kernel.org> (raw)
In-Reply-To: <20261012-netcons-fixes-v3-0-1aac85ed7665@gmail.com>
On Mon, 12 Oct 2026 17:41:56 +0100 Gustavo Luiz Duarte wrote:
> While looking into the sashiko report about local_ip_show() and
> remote_ip_show() missing proper locking [1], I noticed a couple other
> places that need locking: patch 1/2 fixes a null-ptr-deref when enabling
> a target races against a NETDEV_UNREGISTER event, and patch 2/2 fixes a
> use-after-free when the local_mac_show() callback races against a
> NETDEV_UNREGISTER event.
Clashiko reports one more pre-existing race, we should probably
address in the same series:
https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20261012-netcons-fixes-v3-1-1aac85ed7665@gmail.com
--
pw-bot: cr
prev parent reply other threads:[~2026-10-17 1:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 16:41 Gustavo Luiz Duarte
2026-10-12 16:41 ` [PATCH net v3 1/2] netconsole: finish enabling the target before releasing RTNL Gustavo Luiz Duarte
2026-10-12 16:41 ` [PATCH net v3 2/2] netconsole: read np.dev under target_list_lock in local_mac_show() Gustavo Luiz Duarte
2026-10-17 1:51 ` Jakub Kicinski [this message]
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