diff options
| -rw-r--r-- | fs/overlayfs/super.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index bf8537c7f455..de9d2ee68ccf 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -303,6 +303,10 @@ static inline struct dentry *ovl_lookup_real(struct dentry *dir, } else if (!dentry->d_inode) { dput(dentry); dentry = NULL; + } else if (dentry->d_flags & DCACHE_MANAGED_DENTRY) { + dput(dentry); + /* Don't support traversing automounts */ + dentry = ERR_PTR(-EREMOTE); } return dentry; } @@ -700,12 +704,12 @@ static bool ovl_is_allowed_fs_type(struct dentry *root) /* * We don't support: - * - automount filesystems + * - autofs * - filesystems with revalidate (FIXME for lower layer) * - filesystems with case insensitive names */ if (dop && - (dop->d_manage || dop->d_automount || + (dop->d_manage || dop->d_revalidate || dop->d_weak_revalidate || dop->d_compare || dop->d_hash)) { return false; |