From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792527011; b=4sZ2GAOrDwTD1FXla+Drc1db756/euRKhMWGK1WMvwS6/gcUG5COG8LjEpDq/4k9v6y5 /5jyeGFMZjFm8uF2aeXey2x6ypeD+3zZzvmTQF4cT+Q54iU2e7/M1hwtFLA6Mr9HpQ76K ckRGSItOe5lc3TMLpu/uTPNzaVD/ScnLBemrUcrimle0jbinqvvQ2r7BCXk6QcYb6vAqJ rGsjJBM1l5h4UaY5MrBV4/ko08ev+XMDEVygHriyj58f0IuWc/4NdytOLc/M2y6gfZLUi cBrVOuDE3P3RL+ZS2wYmxMLEv+0UsLxSATsa242dUXwjS8EyP/m8A7pxTCmn7/OdWNA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792527011; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=8JAOc6z8twyN3FHwD/8u6EnZf/YO8277tQVvG5yXToA=; b=Ta7kWtZH+wKsOLBdgTGiBnKCzOw1lHhjocusMoG/X576zbn1vX+901Lf/vm/ZDyNo5KL /V5dcBSV8m9nViQku/DgvIBYNSSB/ZBBaOAJg9ry8aEU2a0zs6lIlrbKhcp6/hol5PCXZ BkTV4KxuWmB+YmI55wbtosFdzyAztiVXJ7cLwvpT2d+xR+bAYTMdzNEMQaJwJARa2NYAe NQ5Z3h+sG84ho4WO8wvO3bcHNzKWASojrfKe9nIDdnvrbMLwQZ+ggtmGVRekNTZbAcHHc wruLd+hzXLiQcNisp77YXXGV8wicDDKIKM92Sn+Ialfb53PdSUEc6gexhRtRWnr0K9g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eWht8o19; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE39D606A31E; Tue, 20 Oct 2026 20:10:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eWht8o19 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 820CF1F000CA; Tue, 20 Oct 2026 20:10:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792527010; bh=8JAOc6z8twyN3FHwD/8u6EnZf/YO8277tQVvG5yXToA=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=eWht8o1922tbzy/UrreYJtY9nhtsExSdFwNai5pBhjChedBseGQCYCa0Fij60xvAh wpCcaibXyrY1//8DKOgQ6QmYv8JeLCIz8iz9Cbx/P98FNlkcSM9eTxwJyQmtMLyZli EBen95845Xzf+6upy3anK6YNfstOw7Dt/5mSfrEBMYESR9i0bvdRk66tApyvLfFJu/ dw2U+J4e9ovJDw6/+eReYIYLinZmNxRG0LNYNUYOe6I7LAUSy5sR8TZYiboBQE0g1d qD1LRfAyVlQcIxge2OSES8hrtj6nvA0hh29wglnoW3YWTfNMsB2BkZElk6u7IvxpVA n7+d6/NsdF9fg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7738B3809A09; Tue, 20 Oct 2026 20:10:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: bridge@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net 0/2] bridge: mcast: Fix MDB exhaustion by rejected entries From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179252700905.186787.5147911317441263308.git-patchwork-notify@kernel.org> Date: Tue, 20 Oct 2026 20:10:09 +0000 References: <20261016101407.2030133-1-idosch@nvidia.com> In-Reply-To: <20261016101407.2030133-1-idosch@nvidia.com> To: Ido Schimmel 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 Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : 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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html