On Tue, Jan 21, 2020 at 03:50:53PM +0000, Stefan Hajnoczi wrote: > What should vsock_dev_do_ioctl() IOCTL_VM_SOCKETS_GET_LOCAL_CID return? > The answer is probably dependent on the caller's network namespace. Right, and I'm not handling this case. I'll fix! > > Ultimately we may need per-namespace transports. Imagine assigning a > G2H transport to a specific network namespace. Agree. > > vsock_stream_connect() needs to be namespace-aware so that other > namespaces cannot use the G2H transport to send a connection > establishment packet. Right, maybe I can change the vsock_assign_transport() to check if a transport can be assigned to a socket, checking the namespace. I'll send a v2 handling these cases and implementing the Michael's idea about /dev/vhost-vsock-netns Thanks, Stefano