commit b1eb1b3ee8693e2a56b074315b521c66255acca1
Author: Neil Fortner <nfortne2@hdfgroup.org>
Date:   Thu Sep 1 17:24:24 2016 -0500

    Replace assertion in H5O_dtype_decode_helper for number of array dimensions with a check and error. The assertion was inappropriate because it is operating on data read from the file, which the library does not always have direct control of.

Index: hdf5/src/H5Odtype.c
===================================================================
--- hdf5.orig/src/H5Odtype.c
+++ hdf5/src/H5Odtype.c
@@ -518,7 +518,8 @@ H5O_dtype_decode_helper(H5F_t *f, unsign
             dt->shared->u.array.ndims = *(*pp)++;
 
             /* Double-check the number of dimensions */
-            HDassert(dt->shared->u.array.ndims <= H5S_MAX_RANK);
+            if(dt->shared->u.array.ndims > H5S_MAX_RANK)
+                HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "too many dimensions for array datatype")
 
             /* Skip reserved bytes, if version has them */
             if(version < H5O_DTYPE_VERSION_3)