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-rw-r--r--kernel/utsname.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/utsname.c b/kernel/utsname.c
index 9d8180a0f0d8..816d7b24fa03 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -28,7 +28,9 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns)
if (!ns)
return ERR_PTR(-ENOMEM);
+ down_read(&uts_sem);
memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
+ up_read(&uts_sem);
kref_init(&ns->kref);
return ns;
}