From: patchwork-bot+netdevbpf@kernel.org
To: Ido Schimmel <idosch@nvidia.com>
Cc: netdev@vger.kernel.org, bridge@lists.linux.dev,
davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
edumazet@kernel.org, razor@blackwall.org, horms@kernel.org,
petrm@nvidia.com, yunlong_ma@buaa.edu.cn
Subject: Re: [PATCH net 0/2] bridge: mcast: Fix MDB exhaustion by rejected entries
Date: Tue, 20 Oct 2026 20:10:09 +0000 [thread overview]
Message-ID: <179252700905.186787.5147911317441263308.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261016101407.2030133-1-idosch@nvidia.com>
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 16 Oct 2026 13:14:05 +0300 you wrote:
> When the bridge fails to create a port group for a new MDB entry, the
> entry is left behind with no ports and is never deleted, but it is still
> counted towards mcast_hash_max. Since the introduction of
> mcast_max_groups, a host behind a port that reached its maximum can use
> this to exhaust the MDB and disable multicast snooping.
>
> Patch #1 fixes the problem by deleting the entry upon failure.
>
> [...]
Here is the summary with links:
- [net,1/2] bridge: mcast: Delete empty MDB entry when port group creation fails
https://git.kernel.org/netdev/net/c/1d0590f96fa4
- [net,2/2] selftests: forwarding: bridge_mdb_max: Add a test for rejected MDB entries
https://git.kernel.org/netdev/net/c/335ae22c2e9d
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-10-20 20:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 10:14 [PATCH net 0/2] bridge: mcast: Fix MDB exhaustion by rejected entries Ido Schimmel
2026-10-16 10:14 ` [PATCH net 1/2] bridge: mcast: Delete empty MDB entry when port group creation fails Ido Schimmel
2026-10-16 10:14 ` [PATCH net 2/2] selftests: forwarding: bridge_mdb_max: Add a test for rejected MDB entries Ido Schimmel
2026-10-16 15:51 ` [PATCH net 0/2] bridge: mcast: Fix MDB exhaustion by rejected entries Gabriel Goller
2026-10-20 20:10 ` patchwork-bot+netdevbpf [this message]
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