From: patchwork-bot+netdevbpf@kernel.org
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
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
Subject: Re: [PATCH net v2 0/2] packet: fix PACKET_TX_RING data corruption on skb_orphan
Date: Wed, 23 Sep 2026 02:00:09 +0000 [thread overview]
Message-ID: <179012880951.173471.3930137245797954148.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260919004748.1463985-1-willemdebruijn.kernel@gmail.com>
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 18 Sep 2026 20:47:27 -0400 you wrote:
> From: Willem de Bruijn <willemb@google.com>
>
> 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.
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prev parent reply other threads:[~2026-09-23 2:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-19 0:47 [PATCH net v2 0/2] packet: fix PACKET_TX_RING data corruption on skb_orphan Willem de Bruijn
2026-09-19 0:47 ` [PATCH net v2 1/2] virtio_net: copy zerocopy frags in start_xmit without NAPI Willem de Bruijn
2026-09-22 3:49 ` netdev-bot+sashiko
2026-09-22 15:01 ` Willem de Bruijn
2026-09-19 0:47 ` [PATCH net v2 2/2] packet: use ubuf_info completion for TX_RING packets Willem de Bruijn
2026-09-22 3:49 ` netdev-bot+sashiko
2026-09-22 15:07 ` Willem de Bruijn
2026-09-23 2:00 ` patchwork-bot+netdevbpf [this message]
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