From: David Brazdil Date: Fri, 19 Mar 2021 13:05:41 +0000 (+0000) Subject: selinux: vsock: Set SID for socket returned by accept() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1f935e8e72ec28dddb2dc0650b3b6626a293d94b;p=linux.git selinux: vsock: Set SID for socket returned by accept() For AF_VSOCK, accept() currently returns sockets that are unlabelled. Other socket families derive the child's SID from the SID of the parent and the SID of the incoming packet. This is typically done as the connected socket is placed in the queue that accept() removes from. Reuse the existing 'security_sk_clone' hook to copy the SID from the parent (server) socket to the child. There is no packet SID in this case. Fixes: d021c344051a ("VSOCK: Introduce VM Sockets") Signed-off-by: David Brazdil Signed-off-by: David S. Miller --- diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 5546710d8ac1a..bc7fb9bf3351e 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -755,6 +755,7 @@ static struct sock *__vsock_create(struct net *net, vsk->buffer_size = psk->buffer_size; vsk->buffer_min_size = psk->buffer_min_size; vsk->buffer_max_size = psk->buffer_max_size; + security_sk_clone(parent, sk); } else { vsk->trusted = ns_capable_noaudit(&init_user_ns, CAP_NET_ADMIN); vsk->owner = get_current_cred();