On Fri, Feb 14, 2025 at 02:11:48PM +0100, Michal Luczaj wrote:
...
Another design detail is that listening vsocks are not supposed to have any
transport assigned at all. Which implies they are not supported by the
sockmap. But this is complicated by the fact that a socket, before
switching to TCP
> ...
> Another design detail is that listening vsocks are not supposed to have any
> transport assigned at all. Which implies they are not supported by the
> sockmap. But this is complicated by the fact that a socket, before
> switching to TCP_LISTEN, may have had some transport assigned during a
sockmap expects all vsocks to have a transport assigned, which is expressed
in vsock_proto::psock_update_sk_prot(). However, there is an edge case
where an unconnected (connectible) socket may lose its previously assigned
transport. This is handled with a NULL check in the vsock/BPF recv path.
Ano
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