Fix: Attributes: missing null check in when accessing attribute for write

2025-07-18 16:21:13 +02:00
parent d18c9f38e0
commit 20eaa1b1b0
1 changed files with 4 additions and 0 deletions
--- a/source/blender/blenkernel/intern/attribute_storage.cc
+++ b/source/blender/blenkernel/intern/attribute_storage.cc
@@ -165,6 +165,10 @@ AttrStorageType Attribute::storage_type() const
 Attribute::DataVariant &Attribute::data_for_write()
 {
  if (auto *data = std::get_if<Attribute::ArrayData>(&data_)) {
+    if (!data->sharing_info) {
+      BLI_assert(data->size == 0);
+      return data_;
+    }
    if (data->sharing_info->is_mutable()) {
      data->sharing_info->tag_ensured_mutable();
      return data_;