| Message ID | 149332922378.28919.11614036268701178135.stgit@warthog.procyon.org.uk |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: David Howells <dhowells@redhat.com> Date: Thu, 27 Apr 2017 22:40:23 +0100 > Initialise init_net.count to 1 for its pointer from init_nsproxy lest > someone tries to do a get_net() and a put_net() in a process in which > current->ns_proxy->net_ns points to the initial network namespace. > > Signed-off-by: David Howells <dhowells@redhat.com> Applied.
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 652468ff65b7..adb97ca141b7 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -35,7 +35,8 @@ LIST_HEAD(net_namespace_list); EXPORT_SYMBOL_GPL(net_namespace_list); struct net init_net = { - .dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head), + .count = ATOMIC_INIT(1), + .dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head), }; EXPORT_SYMBOL(init_net);
Initialise init_net.count to 1 for its pointer from init_nsproxy lest someone tries to do a get_net() and a put_net() in a process in which current->ns_proxy->net_ns points to the initial network namespace. Signed-off-by: David Howells <dhowells@redhat.com> --- net/core/net_namespace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)