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Diffstat (limited to 'kernel/utsname.c')
-rw-r--r--kernel/utsname.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/utsname.c b/kernel/utsname.c
index 8a82b4b8ea52..a7b3a8d1ad24 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -14,6 +14,7 @@
#include <linux/utsname.h>
#include <linux/err.h>
#include <linux/slab.h>
+#include <linux/user_namespace.h>
static struct uts_namespace *create_uts_ns(void)
{
@@ -40,6 +41,8 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns)
down_read(&uts_sem);
memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
+ ns->user_ns = old_ns->user_ns;
+ get_user_ns(ns->user_ns);
up_read(&uts_sem);
return ns;
}
@@ -71,5 +74,6 @@ void free_uts_ns(struct kref *kref)
struct uts_namespace *ns;
ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
kfree(ns);
}