1 files changed, 9 insertions, 3 deletions

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 4a2da3a4b1b1..8c69ef49c7f3 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -112,9 +112,15 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type,
         struct super_block *sb;
         int error;
 
-        if (!(flags & MS_KERNMOUNT) && !capable(CAP_SYS_ADMIN) &&
-            !fs_fully_visible(fs_type))
-                return ERR_PTR(-EPERM);
+        if (!(flags & MS_KERNMOUNT)) {
+                if (!capable(CAP_SYS_ADMIN) && !fs_fully_visible(fs_type))
+                        return ERR_PTR(-EPERM);
+
+                for (type = KOBJ_NS_TYPE_NONE; type < KOBJ_NS_TYPES; type++) {
+                        if (!kobj_ns_current_may_mount(type))
+                                return ERR_PTR(-EPERM);
+                }
+        }
 
         info = kzalloc(sizeof(*info), GFP_KERNEL);
         if (!info)