Files
linuxkit/kernel/patches-4.4/0015-VSOCK-Only-allow-host-network-namespace-to-use-AF_VS.patch
Justin Cormack 3f81edee37 Move kernel directory to top level
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
2017-02-04 09:17:16 +01:00

32 lines
929 B
Diff

From e2d417429738c3a8da5086a4f9bd815fca3ba0a6 Mon Sep 17 00:00:00 2001
From: Ian Campbell <ian.campbell@docker.com>
Date: Mon, 4 Apr 2016 14:50:10 +0100
Subject: [PATCH 15/44] VSOCK: Only allow host network namespace to use
AF_VSOCK.
The VSOCK addressing schema does not really lend itself to simply creating an
alternative end point address within a namespace.
Signed-off-by: Ian Campbell <ian.campbell@docker.com>
---
net/vmw_vsock/af_vsock.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 17dbbe64cd73..1bb1b016e945 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1852,6 +1852,9 @@ static const struct proto_ops vsock_stream_ops = {
static int vsock_create(struct net *net, struct socket *sock,
int protocol, int kern)
{
+ if (!net_eq(net, &init_net))
+ return -EAFNOSUPPORT;
+
if (!sock)
return -EINVAL;
--
2.11.0