From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C44E53CBE82; Tue, 10 Mar 2026 12:40:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773146409; cv=none; b=SH9obdYFxEu/mK3vcwCuDtVL6dD5r2n21Q19SIxOXDTzCBK7ejhw+ULmw8MkWTaGlMjdcxbW3ev2HHxNH5JoZ4JlHPpHyENUAmN15wwlmfRfZ+sX3JeJWKf4u1VriSBne2nlUI3QsQ6jNYZ38BZxr+fmKb1spqbGwAO2njqGXM4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773146409; c=relaxed/simple; bh=IK6RJArbLIh4dHU4kWnimKMjcvtkiiNjPOSaY4dgevA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=THaG912HS45yGMyaKz/S4pTdZeZ4tFrp+kamRtZT4YhlXnlF9LwU1DuqqdLkVH3+S7GLBYtqlvS7dW7dJ4yiMpKraNKvwfKyCnPPNIwaUjr33OIFsyEWLHuDoY5C2En5uVQ2p+niPEHsqaaoc32eVameiWnGfkFp2aU+hDB+cBU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TWyTRUX0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TWyTRUX0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AC78C19423; Tue, 10 Mar 2026 12:40:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773146409; bh=IK6RJArbLIh4dHU4kWnimKMjcvtkiiNjPOSaY4dgevA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=TWyTRUX0DNGEZfH5XTV+/AVjjv7xiVGJDynNG0IXcjP/maHWoxquAsSfPoTo1jwkK g+6icFTeZBvc0hLOFiZQBCpVobowprHg+3iXqqYGV5hUsSX0RgFGTig22dmAxC9VcE lrTv4/X851eBQPwIXcwC7nwSnUW7xYsJEhLkwJpnxNTVtw/uAMJPmMcrRIl7u3lloh +udXIgeNAYOgCIPxI2wCYpaWdWx3t9A/DL4t9ZPB2qlSEFbnU8uSSyaVNJ6skE7HpC BTF5eGC+soHVky+7wrq/QHvrhC0MB85NafzBpRUj38xr230onNr38d2bdqhFRhi1xh UWKG4Athi8QoQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7CF3D3808200; Tue, 10 Mar 2026 12:40:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v4] net: add xmit recursion limit to tunnel xmit functions From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177314640530.2269130.10013467728563826261.git-patchwork-notify@kernel.org> Date: Tue, 10 Mar 2026 12:40:05 +0000 References: <20260306160133.3852900-2-bestswngs@gmail.com> In-Reply-To: <20260306160133.3852900-2-bestswngs@gmail.com> To: Weiming Shi Cc: security@kernel.org, edumazet@google.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, xmei5@asu.edu Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Sat, 7 Mar 2026 00:01:34 +0800 you wrote: > From: Weiming Shi > > Tunnel xmit functions (iptunnel_xmit, ip6tunnel_xmit) lack their own > recursion limit. When a bond device in broadcast mode has GRE tap > interfaces as slaves, and those GRE tunnels route back through the > bond, multicast/broadcast traffic triggers infinite recursion between > bond_xmit_broadcast() and ip_tunnel_xmit()/ip6_tnl_xmit(), causing > kernel stack overflow. > > [...] Here is the summary with links: - [net,v4] net: add xmit recursion limit to tunnel xmit functions https://git.kernel.org/netdev/net/c/6f1a9140ecda You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html