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 0393931F9B4 for ; Wed, 23 Sep 2026 02:01:19 +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=1790128880; cv=none; b=my7zA6M5vGb1ZHcJbG21qHR1yf6tpOSujp+mDwq9dS+sBL82pLyFAjPx2W8sZcGmQttGsZ30x+hnt7fTvMjMtDh06gA8ewJtrxYR0LjQM2GM0tPrNFMM9Zqdsas+Nok6rkC+S4bP9Gjv1jMnitwQtIHbVunoUzA0u+nXzlv5CCo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790128880; c=relaxed/simple; bh=TzT4f32ddF7Kjouff7GNwGTM6n4OuLGCetzu2SIMlnw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ib/TfNFA2Ytu18EUc9aLb6SF5aN1bNAS60ThxiDRx0dmQAiBZFa8GjcZI1E2rEPJ/tOEq3znhcrookVbRvBnYwiTQWhh6DyKh/YEBFBsXErlSH2IY7CQ1DoliUIOcoWxU5Ina+/ISm2A4O75/wHsn1aeOrOBrvPA2yxGPcimCpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G/bWn/qz; 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="G/bWn/qz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD2071F00893; Wed, 23 Sep 2026 02:01:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790128878; bh=9BupZzTcP26PwssABD+t1N90ZeejfkcafH4Z49fJbJM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=G/bWn/qzGk3YRz9hi7qVQOCYXWAxwkn81cJ1ZiwgbFnI50r5cO1AFrSbl1Ihb1gFX 2gcpkQMisjGDMnPxgcZG5kT6Yv0GbQiqMZa80/gdwUPXRahNliG/mtgk0aNeTvfFsi DhnXMK92sUKpYuGZ2fsMrv8mouT8gq9507Me9pE0HDmURg5aR5ik5woTs8ti6oU5jW rXPM3EHhT1wqPnhF2bM8C0+Ztg4wZiNWuybQ3WmWuRbx+jT7JMF5sZrYpvDY5nDsXR wF5VKu3cnAYZJx7G+gLbymf+zlyW8zb4AVUlCMoZN3h/oM0Xdpv7/m70kfTYzPV5ZA ZeyFC1szMCL4A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B18673924472; Wed, 23 Sep 2026 02:00:10 +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 v2 0/2] packet: fix PACKET_TX_RING data corruption on skb_orphan From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179012880951.173471.3930137245797954148.git-patchwork-notify@kernel.org> Date: Wed, 23 Sep 2026 02:00:09 +0000 References: <20260919004748.1463985-1-willemdebruijn.kernel@gmail.com> In-Reply-To: <20260919004748.1463985-1-willemdebruijn.kernel@gmail.com> To: Willem de Bruijn Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, horms@kernel.org, andrew+netdev@lunn.ch, willemb@google.com Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 18 Sep 2026 20:47:27 -0400 you wrote: > From: Willem de Bruijn > > When transmitting packets via PACKET_TX_RING, tpacket_snd links user > ring buffer pages as skb frags and releases the slot on skb->destructor > (tpacket_destruct_skb). > > skb_orphan() invokes the destructor while the skb is still alive. > This marks the slot as TP_STATUS_AVAILABLE prematurely, allowing > userspace to overwrite the slot and causing data corruption. > > [...] Here is the summary with links: - [net,v2,1/2] virtio_net: copy zerocopy frags in start_xmit without NAPI https://git.kernel.org/netdev/net/c/07e1a9408b6c - [net,v2,2/2] packet: use ubuf_info completion for TX_RING packets https://git.kernel.org/netdev/net/c/951840561386 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html