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 B29B623BF9F for ; Fri, 27 Mar 2026 03:50:22 +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=1774583422; cv=none; b=d3uZxmKoLVnE3g5fmvKs7JFd7MV6VBI5Nbwtc/RmsY93zPpT8Crv8roeBEH+ds2G7K2/bzoSmKFHyIXSuSZxVPRc48sYoiL+3Qgnt6unA8L8roVFYj9OIHZ0VDt1Kqwkd/UFU9g42jjhb9xj5amvI8RSh4YR4doIp+vk/8HW+3w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774583422; c=relaxed/simple; bh=K+UdFI2hEPJSprNbPSERzW8rvWzEGbAZtWKdJrgbANM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=a62VTeaMOMOvOOnP3DYEiX4Rr8fcZL490HQD7OPzk/h2UwBYIdou48yrjrJ17kZ9Zy6/OhlFRtg3MKO3fpvuuzpt065XN56tWnK6L9ByK0YHNfSJFwSgGCoS1FLK+zln8teGCuNAZBokI7FmVheWlfw4kjeNnMcAUsh6zvDOy4U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OkVZguWm; 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="OkVZguWm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49186C19423; Fri, 27 Mar 2026 03:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774583422; bh=K+UdFI2hEPJSprNbPSERzW8rvWzEGbAZtWKdJrgbANM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=OkVZguWmc/AKcBgxWtntHIACcNVdaicnmj68GM4TukOQz4TpsCTBuGx7tkWjxcpCE /YybDkqT8iP6NIPknXM7ePcWvx5F9Qy8zhtTdNQUlQoXQYjq0WZnelGMH8IYDVRzx6 V66k5FC4l+JQgRy9hi+F2F6WTHAsL33ccdTQNDiXRx51dHmMILNSCiC+jq7H21Of8R iVhiDaDMqXrs3PpxCR9Tlo3ohpyHfpaYax4vS2lo1farynq6Z2s6aekKIjjfc38lZ5 YL7G+QtQu0wWm8xZVXCX8JzkBRhrY0R08ZFOw4zftCMQnXyKGDeDIb+0gs5aWEP63H pHkSzJy49HKGQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B9E823809A0B; Fri, 27 Mar 2026 03:50:09 +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: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177458340854.3291104.1692418192730790806.git-patchwork-notify@kernel.org> Date: Fri, 27 Mar 2026 03:50:08 +0000 References: <20260324224925.2437775-1-echelonh@gmail.com> In-Reply-To: <20260324224925.2437775-1-echelonh@gmail.com> To: Yochai Eisenrich Cc: davem@davemloft.net, dsahern@kernel.org, security@kernel.org, netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 25 Mar 2026 00:49:25 +0200 you wrote: > When processing Router Advertisements with user options the kernel > builds an RTM_NEWNDUSEROPT netlink message. The nduseroptmsg struct > has three padding fields that are never zeroed and can leak kernel data > > The fix is simple, just zeroes the padding fields. > > Fixes: 31910575a9de ("[IPv6]: Export userland ND options through netlink > (RDNSS support)") > Signed-off-by: Yochai Eisenrich > > [...] Here is the summary with links: - net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak https://git.kernel.org/netdev/net/c/ae05340ccaa9 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html