[ndarray] Fix ndarray_from_tuple reading out of _shape->items bounds (#630)

Author: FelixNumworks

code/ndarray.c

@@ -652,10 +652,10 @@ ndarray_obj_t *ndarray_new_ndarray_from_tuple(mp_obj_tuple_t *_shape, uint8_t dt
     // the function should work in the general n-dimensional case
     size_t *shape = m_new(size_t, ULAB_MAX_DIMS);
     for(size_t i=0; i < ULAB_MAX_DIMS; i++) {
-        if(i < ULAB_MAX_DIMS - _shape->len) {
-            shape[i] = 0;
+        if(i >= _shape->len) {
+            shape[ULAB_MAX_DIMS - i] = 0;
         } else {
-            shape[i] = mp_obj_get_int(_shape->items[i]);
+            shape[ULAB_MAX_DIMS - i] = mp_obj_get_int(_shape->items[i]);
         }
     }
     return ndarray_new_dense_ndarray(_shape->len, shape, dtype);

code/ulab.c

@@ -33,7 +33,7 @@
 #include "user/user.h"
 #include "utils/utils.h"
 
-#define ULAB_VERSION 6.3.1
+#define ULAB_VERSION 6.3.2
 #define xstr(s) str(s)
 #define str(s) #s