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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matt Mackall , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Stephen Hemminger Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Gustavo Luiz Duarte , Sashiko X-Mailer: b4 0.15.2 While looking into the sashiko report about local_ip_show() and remote_ip_show() missing proper locking [1] (fixed in patch 3/4), I noticed a couple other places that need locking: patch 1/4 fixes a null-ptr-deref when enabling a target races against a NETDEV_UNREGISTER event, and patch 2/4 fixes a use-after-free when the local_mac_show() callback races against a NETDEV_UNREGISTER event. Patch 4/4 is mostly cosmetic but worth fixing. [1] https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260814-netcons_ipv6-v3-7-bc0915e8c75f@gmail.com Signed-off-by: Gustavo Luiz Duarte --- Gustavo Luiz Duarte (4): netconsole: finish enabling the target before releasing RTNL netconsole: read np.dev under the RTNL in local_mac_show() netconsole: avoid printing partially updated target attributes netconsole: remove unnecessary target refcounting from the netdev notifier drivers/net/netconsole.c | 110 ++++++++++++++++++++++++++--------------------- 1 file changed, 60 insertions(+), 50 deletions(-) --- base-commit: 014d795c73837ea2339a4ea8e8f82c6e959b845d change-id: 20260925-netcons-fixes-93a3e14326b5 Best regards, -- Gustavo Luiz Duarte