From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C7CBB208D0; Wed, 19 Aug 2026 03:50:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787111455; cv=none; b=XIXqazw3ecaKWOYrS8e1s/DZy4/m3Ar8OVlGnPhqLoxYcAKi6DBCbfXdhtRuZfN6hhZZv25Q7p/UR7E0LErioz64fhQ3itNVwjS2Df7yIawjaEkManwOQ6fUQszCIKxiVC0unJqIrROBW+HECrSnVRCLagxevoW5qbTsU+OhNsw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787111455; c=relaxed/simple; bh=Zqg2dHlJ6L7mU319ZdPlJwASeJDFJSQyMX8AQxKReHk=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=BhwjPaznhRt4Cm0w8j3UVteYWyGSM35ykB1INiI8OSreIdiwd/6laxmK3VlwAMIYdPLMl/sQh/7jHMkI6mmUQThxUvZNvOB+kxfPo18FCs4d2VadtA2efJ3SkntvyCNNVgZohhGwzRM8s1sInPeLmp8FntLswZOg4wnXNV6vLik= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dW9vyOKq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dW9vyOKq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5497F1F000E9; Wed, 19 Aug 2026 03:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787111454; bh=z4ref/RM/CtI7W0sRmJvptQS3ZnMsvKyWYsixYtBFAQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=dW9vyOKqio1HSE2hU9MKrOIsLqA7BQnfeszi8yv7ZMG2l+5zJFFT6NAZs31Bq31WH 11Fed3YZg3bIKBmZCSq9X+2gwZitJfyz+Zk66k6qn72dxadG0ljp0HD205xXJYUy1j qr38BtrxFQ2RhEzTRuayTQrQQjEEQyugFs4ONI8n4UUe2KGijm4vYLYd0WCOjL7d/M Qf8S0J+8jlgB+NvpwRJA1xVMLPuBmvcghZo1IMT+ezKc3DVVmuVWa5Zdtg6mqsk84l D8t902dR5WI0k6lqTprOTtdQTBeYWnu2YgRsBDSj/2BYk0ASOOhWg1P39Po6CSZLda hUNVqa2Ufzp9Q== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D09273927074; Wed, 19 Aug 2026 03:50:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: bridge: Reject descending VLAN tunnel ranges From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178711140564.2835526.4256752863993963902.git-patchwork-notify@kernel.org> Date: Wed, 19 Aug 2026 03:50:05 +0000 References: <20260814134053.1387275-1-ruoyuw560@gmail.com> In-Reply-To: <20260814134053.1387275-1-ruoyuw560@gmail.com> To: Ruoyu Wang Cc: razor@blackwall.org, idosch@nvidia.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, bridge@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Fri, 14 Aug 2026 21:40:53 +0800 you wrote: > A pair of descending VLAN and tunnel IDs can pass the tunnel range span > check. The VLAN subtraction produces a negative int, which is converted > to unsigned when compared with the u32 tunnel ID subtraction. It can > therefore equal the wrapped tunnel ID delta. > > The range loop then performs no iterations. Since the batched > notification handling added a post-loop error check, this leaves err > uninitialized and makes the request's return value unpredictable. > > [...] Here is the summary with links: - [net] net: bridge: Reject descending VLAN tunnel ranges https://git.kernel.org/netdev/net/c/40f04b51758e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html