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From: Simon Horman <horms@kernel.org>
To: Ziyang Xuan <william.xuanziyang@huawei.com>
Cc: jiri@resnulli.us, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org,
	idosch@idosch.org, kaber@trash.net
Subject: Re: [PATCH net] team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves
Date: Tue, 15 Aug 2023 10:08:56 +0200	[thread overview]
Message-ID: <ZNsymO9HyhmFhDCJ@vergenet.net> (raw)
In-Reply-To: <20230814032301.2804971-1-william.xuanziyang@huawei.com>

On Mon, Aug 14, 2023 at 11:23:01AM +0800, Ziyang Xuan wrote:
> Similar to commit 01f4fd270870 ("bonding: Fix incorrect deletion of
> ETH_P_8021AD protocol vid from slaves"), we can trigger BUG_ON(!vlan_info)
> in unregister_vlan_dev() with the following testcase:
> 
>   # ip netns add ns1
>   # ip netns exec ns1 ip link add team1 type team
>   # ip netns exec ns1 ip link add team_slave type veth peer veth2
>   # ip netns exec ns1 ip link set team_slave master team1
>   # ip netns exec ns1 ip link add link team_slave name team_slave.10 type vlan id 10 protocol 802.1ad
>   # ip netns exec ns1 ip link add link team1 name team1.10 type vlan id 10 protocol 802.1ad
>   # ip netns exec ns1 ip link set team_slave nomaster
>   # ip netns del ns1
> 
> Add S-VLAN tag related features support to team driver. So the team driver
> will always propagate the VLAN info to its slaves.
> 
> Fixes: 8ad227ff89a7 ("net: vlan: add 802.1ad support")
> Suggested-by: Ido Schimmel <idosch@idosch.org>
> Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>

Reviewed-by: Simon Horman <horms@kernel.org>


  reply	other threads:[~2023-08-15  8:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-14  3:23 [PATCH net] team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves Ziyang Xuan
2023-08-15  8:08 ` Simon Horman [this message]
2023-08-16  2:10 ` patchwork-bot+netdevbpf

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