1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 42679223a0fd..8c6d1d70278c 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -189,6 +189,9 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid,
         struct xfs_fid64        *fid64 = (struct xfs_fid64 *)fid;
         struct inode            *inode = NULL;
 
+        if (fh_len < xfs_fileid_length(fileid_type))
+                return NULL;
+
         switch (fileid_type) {
         case FILEID_INO32_GEN_PARENT:
                 inode = xfs_nfs_get_inode(sb, fid->i32.parent_ino,