Files
linuxkit/alpine/kernel/patches/0009-VSOCK-Only-allow-host-network-namespace-to-use-AF_VS.patch
Rolf Neugebauer 07a5affe3b kernel: update kernel patches
Added a patch to reduce verbosity of vmbus for unknown GUIDs.
Thes happen on every Hyper-V socket connection.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
2016-05-23 19:01:13 +01:00

32 lines
918 B
Diff

From 9024e2d916d191281c6deda22eed41c886f9120b 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 09/41] 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 112fa8b..ead5127 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1859,6 +1859,9 @@ 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;
--
2.8.2