Thread (6 messages) 6 messages, 3 authors, 2026-01-16

Re: [PATCH net v2 0/2] vsock/virtio: Fix data loss/disclosure due to joining of non-linear skb

From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-01-16 03:53:42
Also in: kvm, lkml, virtualization

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Tue, 13 Jan 2026 16:08:17 +0100 you wrote:
Loopback transport coalesces some skbs too eagerly. Handling a zerocopy
(non-linear) skb as a linear one leads to skb data loss and kernel memory
disclosure.

Plug the loss/leak by allowing only linear skb join. Provide a test.

Signed-off-by: Michal Luczaj <redacted>

[...]
Here is the summary with links:
  - [net,v2,1/2] vsock/virtio: Coalesce only linear skb
    https://git.kernel.org/netdev/net/c/0386bd321d0f
  - [net,v2,2/2] vsock/test: Add test for a linear and non-linear skb getting coalesced
    https://git.kernel.org/netdev/net/c/a63e5fe09592

You are awesome, thank you!
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