Files
linuxkit/alpine/kernel/patches/0001-VSOCK-Only-allow-host-network-namespace-to-use-AF_VS.patch
Rolf Neugebauer 253561d2f2 kernel: update/fix patches for 4.8.10
In particular 8e0e003b50
seem to have remove the net/Kconfig changes

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
2016-11-21 21:37:05 +00:00

31 lines
916 B
Diff

From afc48615e62910f37b6076f9118c80d2f9613064 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 1/5] 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 8a398b3..0edc54c 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;
--
2.10.2