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aa9b718d8a
Added a new patch to the 4.11 and 4.9 kernels based on a patch submitted to stable: https://patchwork.kernel.org/patch/9829039/ This patch fixes a off-by-one error in the VMBus code. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
32 lines
929 B
Diff
32 lines
929 B
Diff
From d873deeedd06e8103a9ebe5244ba22d287a94bda Mon Sep 17 00:00:00 2001
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From: Ian Campbell <ian.campbell@docker.com>
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Date: Mon, 4 Apr 2016 14:50:10 +0100
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Subject: [PATCH 15/44] VSOCK: Only allow host network namespace to use
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AF_VSOCK.
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The VSOCK addressing schema does not really lend itself to simply creating an
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alternative end point address within a namespace.
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Signed-off-by: Ian Campbell <ian.campbell@docker.com>
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---
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net/vmw_vsock/af_vsock.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
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index 17dbbe64cd73..1bb1b016e945 100644
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--- a/net/vmw_vsock/af_vsock.c
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+++ b/net/vmw_vsock/af_vsock.c
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@@ -1852,6 +1852,9 @@ static const struct proto_ops vsock_stream_ops = {
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static int vsock_create(struct net *net, struct socket *sock,
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int protocol, int kern)
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{
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+ if (!net_eq(net, &init_net))
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+ return -EAFNOSUPPORT;
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+
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if (!sock)
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return -EINVAL;
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--
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2.13.0
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