Re: [PATCH net v3] net/iucv: fix the recvmsg window update

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri, 28 Aug 2026 14:07:47 -0500 you wrote:
> From: Bryam Vargas <hexlabsecurity@xxxxxxxxx>
> 
> iucv_sock_recvmsg() sends the HiperSockets-only AF_IUCV_FLAG_WIN without
> testing the transport, so on a classic z/VM socket iucv_send_ctrl() sizes
> the skb through a NULL iucv->hs_dev. SO_MSGLIMIT accepts 1, so msglimit / 2
> is zero and one recvmsg() on its own socket is enough for an unprivileged
> process to take a spurious disconnect.
> 
> [...]

Here is the summary with links:
  - [net,v3] net/iucv: fix the recvmsg window update
    https://git.kernel.org/netdev/net/c/fa5acd038ea6

You are awesome, thank you!
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