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 152D037C0E5; Wed, 1 Apr 2026 03:20:29 +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=1775013630; cv=none; b=apd8AqsEcwVtVCDnhv9x3bABEsJ+YkQvZOgzm6BdK9VO4KTWNlBFhrEbXEw3YmRWcVOlffYy+Fr2FYPUDg+STjr24NGRBLDxGxb2d3O3Ob+WyEFpbaLtEM7xZrHVCtPgHNyNODpJTlKY3jCrlV66XWHEqlovktexL9pma4FFOcE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775013630; c=relaxed/simple; bh=NI2tLcbfg21bErumX5uDC7oQRXMzn2dSGxNzwKAaGyM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=RXr9hw2IUfQMMUiPV97gQtv5PWjkzzK6FJvxRSMZdc+e/F6i1H8stx1r/nM3ftnQL2cW5yZCE2xTcbZLSLbtC3oq3dr1Eyw3prE19Twvo2vfBeuM1oWops7PK+S5LcQzpAYTTOUKdMCjLt714lTeWfpooThNXqOJ4EQ1b0N0PVM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jCYGwi9B; 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="jCYGwi9B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4ED5C19423; Wed, 1 Apr 2026 03:20:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775013629; bh=NI2tLcbfg21bErumX5uDC7oQRXMzn2dSGxNzwKAaGyM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=jCYGwi9BV4hG9kruU9xG7c+a6CrXCRJYaWg0EnMPYfRNIN+76ZqHlobTmh/AIdjeP jZoqE+UETu2pkuo++bmiKg8uadgGgJp1fEI+XuqT/X7Nj8I1QH1S1XIVjp2dAYfnEl IWJ+vU0txhvCE7W66EK7+TOlp6icZwk15YmzAKAwuOgKczs5Yp44qJhlwaDzYC2WR8 ssqPHDOHxLUnzsuGFwTve4JgufQoJElpndHwVrjYyu0ecoNFxFwctYOFt9yVVnEUFU JHfFypvO1/Nbyer2B2pOZNIB+cRTETnb4og2fi46CphpRYKbsrAG8qFL0Zj1yIGIW9 uxSd3qxhWVaOw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FE1E3808203; Wed, 1 Apr 2026 03:20:14 +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-next] net: mana: hardening: Validate adapter_mtu from MANA_QUERY_DEV_CONFIG From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177501361303.3053582.13515488108524195809.git-patchwork-notify@kernel.org> Date: Wed, 01 Apr 2026 03:20:13 +0000 References: <20260326173101.2010514-1-ernis@linux.microsoft.com> In-Reply-To: <20260326173101.2010514-1-ernis@linux.microsoft.com> To: Erni Sri Satya Vennela Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ssengar@linux.microsoft.com, dipayanroy@linux.microsoft.com, gargaditya@linux.microsoft.com, shirazsaleem@microsoft.com, kees@kernel.org, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Thu, 26 Mar 2026 10:30:56 -0700 you wrote: > As a part of MANA hardening for CVM, validate the adapter_mtu value > returned from the MANA_QUERY_DEV_CONFIG HWC command. > > The adapter_mtu value is used to compute ndev->max_mtu via: > gc->adapter_mtu - ETH_HLEN. If hardware returns a bogus adapter_mtu > smaller than ETH_HLEN (e.g. 0), the unsigned subtraction wraps to a > huge value, silently allowing oversized MTU settings. > > [...] Here is the summary with links: - [net-next] net: mana: hardening: Validate adapter_mtu from MANA_QUERY_DEV_CONFIG https://git.kernel.org/netdev/net-next/c/d7709812e13d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html