Re: [PATCH net] hv_sock: Report no unread data before a channel is available

[patchwork-bot+netdevbpf]

Hello:

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

On Fri,  6 Nov 2026 13:39:18 +0100 you wrote:
> The Hyper-V transport is assigned before the asynchronous VMBus channel
> offer completes.  Its zero-initialized hvsock therefore has a NULL chan
> until hvs_open_connection() associates the channel with the socket.
> 
> SIOCINQ can query the assigned transport while the socket is connecting,
> or after connect() fails once the transport has been assigned.  Unlike
> poll(), that path does not check stream_is_active() before calling the
> transport's stream_has_data callback.  hvs_stream_has_data() then passes
> the NULL channel to hvs_channel_readable_payload(), and any user in the
> guest can trigger an oops:
> 
> [...]

Here is the summary with links:
  - [net] hv_sock: Report no unread data before a channel is available
    https://git.kernel.org/netdev/net/c/71b06766b7c4

You are awesome, thank you!
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