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Diffstat (limited to 'kernel/nsproxy.c')
-rw-r--r--kernel/nsproxy.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index a4fb7d46971f..f1decd21a534 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -20,6 +20,7 @@
#include <linux/mnt_namespace.h>
#include <linux/utsname.h>
#include <linux/pid_namespace.h>
+#include <net/net_namespace.h>
static struct kmem_cache *nsproxy_cachep;
@@ -98,8 +99,17 @@ static struct nsproxy *create_new_namespaces(unsigned long flags,
goto out_user;
}
+ new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
+ if (IS_ERR(new_nsp->net_ns)) {
+ err = PTR_ERR(new_nsp->net_ns);
+ goto out_net;
+ }
+
return new_nsp;
+out_net:
+ if (new_nsp->user_ns)
+ put_user_ns(new_nsp->user_ns);
out_user:
if (new_nsp->pid_ns)
put_pid_ns(new_nsp->pid_ns);
@@ -132,7 +142,7 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
get_nsproxy(old_ns);
- if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER)))
+ if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER | CLONE_NEWNET)))
return 0;
if (!capable(CAP_SYS_ADMIN)) {
@@ -164,6 +174,7 @@ void free_nsproxy(struct nsproxy *ns)
put_pid_ns(ns->pid_ns);
if (ns->user_ns)
put_user_ns(ns->user_ns);
+ put_net(ns->net_ns);
kmem_cache_free(nsproxy_cachep, ns);
}
@@ -177,7 +188,7 @@ int unshare_nsproxy_namespaces(unsigned long unshare_flags,
int err = 0;
if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
- CLONE_NEWUSER)))
+ CLONE_NEWUSER | CLONE_NEWNET)))
return 0;
if (!capable(CAP_SYS_ADMIN))