try

Author: gouarin

include/xtensor/core/xassign.hpp

@@ -601,7 +601,14 @@ namespace xt
             size_type size = e2.dimension();
             index_type shape = uninitialized_shape<index_type>(size);
             bool trivial_broadcast = e2.broadcast_shape(shape, true);
-            e1.resize(std::move(shape));
+            // Safety check: limit resize to shape size
+            if (shape.size() > e1.shape().size()) {
+                index_type safe_shape;
+                std::copy_n(shape.begin(), e1.shape().size(), safe_shape.begin());
+                e1.resize(std::move(safe_shape));
+            } else {
+                e1.resize(std::move(shape));
+            }
             return trivial_broadcast;
         }
     }

include/xtensor/views/xstrided_view_base.hpp

@@ -654,8 +654,13 @@ namespace xt
     template <class O>
     inline bool xstrided_view_base<D>::has_linear_assign(const O& str) const noexcept
     {
-        return has_data_interface<xexpression_type>::value && str.size() == strides().size()
-               && std::equal(str.cbegin(), str.cend(), strides().begin());
+        if (!has_data_interface<xexpression_type>::value)
+            return false;
+        if (str.size() == 0 || strides().size() == 0)
+            return false;
+        if (str.size() != strides().size())
+            return false;
+        return std::equal(str.cbegin(), str.cend(), strides().begin());
     }
 
     //@}