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Diffstat (limited to 'kernel/nsproxy.c')
-rw-r--r--kernel/nsproxy.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index e10385c17f7..47c19280c55 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -14,6 +14,7 @@
#include <linux/nsproxy.h>
#include <linux/init_task.h>
#include <linux/namespace.h>
+#include <linux/utsname.h>
struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy);
@@ -59,6 +60,8 @@ struct nsproxy *dup_namespaces(struct nsproxy *orig)
if (ns) {
if (ns->namespace)
get_namespace(ns->namespace);
+ if (ns->uts_ns)
+ get_uts_ns(ns->uts_ns);
}
return ns;
@@ -97,6 +100,15 @@ int copy_namespaces(int flags, struct task_struct *tsk)
goto out;
}
+ err = copy_utsname(flags, tsk);
+ if (err) {
+ if (new_ns->namespace)
+ put_namespace(new_ns->namespace);
+ tsk->nsproxy = old_ns;
+ put_nsproxy(new_ns);
+ goto out;
+ }
+
out:
put_nsproxy(old_ns);
return err;
@@ -106,5 +118,7 @@ void free_nsproxy(struct nsproxy *ns)
{
if (ns->namespace)
put_namespace(ns->namespace);
+ if (ns->uts_ns)
+ put_uts_ns(ns->uts_ns);
kfree(ns);
}