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-rw-r--r--fs/namespace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index e8d1ffa7f132..f87a90b98da2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -963,7 +963,8 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
}
/* Don't allow unprivileged users to reveal what is under a mount */
- if ((flag & CL_UNPRIVILEGED) && list_empty(&old->mnt_expire))
+ if ((flag & CL_UNPRIVILEGED) &&
+ (!(flag & CL_EXPIRE) || list_empty(&old->mnt_expire)))
mnt->mnt.mnt_flags |= MNT_LOCKED;
atomic_inc(&sb->s_active);