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Dexuan Cui authored
Without the patch, when hvs_open_connection() hasn't completely established a connection (e.g. it has changed sk->sk_state to SS_CONNECTED, but hasn't inserted the sock into the connected queue), vsock_stream_connect() may see the sk_state change and return the connection to the userspace, and next when the userspace closes the connection quickly, hvs_release() may not see the connection in the connected queue; finally hvs_open_connection() inserts the connection into the queue, but we won't be able to purge the connection for ever. Signed-off-by:
Dexuan Cui <decui@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: Cathy Avery <cavery@redhat.com> Cc: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: Marcelo Cerri <marcelo.cerri@canonical.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
b4562ca7