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 4D23D7261C; Thu, 4 Jun 2026 01:14:18 +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=1780535659; cv=none; b=K8GnL6n9UpifVZBAZjP2/99SSkAzRZm6/QFe64IgMiCcs9cFw0QTG6AkWhLWVv44qoV1z5/svM5ms/xnloDjbJEAuu3XpJknWMXwmOq76WXEg1HxBu6P/tsKBGWEmvweE3JIT877+POfDX3Bx0lrZfiizO28MRCLLzQhxM9uGjA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780535659; c=relaxed/simple; bh=m0JY9j1jrJGxguon6EA9o6IK0CyvDX9kCdJH0Et+kQ4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=W1YkhasO5/lgvJAI+lBdLsssZG6AnCKiQFmzysL0wsL9XPWfT1nuG5nL9yAD7HRA60ipATbyrlWwJRve4VVDe+Nnis16tJWGILk65d+owMGuewXVHVR+iGJDTDjjuVVZyJU963Keqj9d0fyHkENuhtH7AItrBwgZCHSEhLfvKcA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KJs3RyUq; 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="KJs3RyUq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E36111F00893; Thu, 4 Jun 2026 01:14:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780535657; bh=yPE0Nyv/KgTnVjzG/2No8SWrXIVPmBJhSxad9PYvHGA=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=KJs3RyUqES/iZom1cpuPl4fHDkzJzHtXw8fr2gdIFYvNPO2MqikEE3qkGparSP1nQ uQeqfLx4cHMJfDMmMif9nmNyVnlYXsaSuzt8cuz9CQTpzF1ZFzSxhp6uvzqvbrDck9 fEkl8Nld9v/eZnBP7IopQk+QybvAj1np65y6TNZP1cXM0cDbsI1nCgDtshJlVai22u FRPfoDa317erRTkZ0kCZNI1tfZ1lz4wAhOW17JdnhNwV3eSWmDBJCLHafxFVDepDfV PSvizIBdGC/4K/hQjLLwoNAUzoUw2CCoSvVP3JcpOI9kmaOfxu7kGItJrhyxIH7IaK ug9BK8eARYWBw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 56A0239308DD; Thu, 4 Jun 2026 01:14:20 +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] appletalk: aarp: zero-initialize aarp_entry to prevent heap info leak From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178053565889.2042071.17791761648159069507.git-patchwork-notify@kernel.org> Date: Thu, 04 Jun 2026 01:14:18 +0000 References: <20260529105017.81531-1-zhaoyz24@mails.tsinghua.edu.cn> In-Reply-To: <20260529105017.81531-1-zhaoyz24@mails.tsinghua.edu.cn> To: Yizhou Zhao Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, hxzene@gmail.com, kees@kernel.org, linux-kernel@vger.kernel.org, yangyx22@mails.tsinghua.edu.cn, wangao@seu.edu.cn, fengxw06@126.com, qli01@tsinghua.edu.cn, xuke@tsinghua.edu.cn Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 29 May 2026 18:50:16 +0800 you wrote: > aarp_alloc() allocates struct aarp_entry without zeroing it, but only > initializes refcnt and packet_queue. When an unresolved AARP entry is > created, hwaddr[ETH_ALEN] is left uninitialized. > > aarp_seq_show() later prints this field with %pM when users read > /proc/net/atalk/arp. This can expose 6 bytes of stale heap data for > each unresolved entry. > > [...] Here is the summary with links: - [net] appletalk: aarp: zero-initialize aarp_entry to prevent heap info leak https://git.kernel.org/netdev/net/c/2cdeaba5a108 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html