1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/attribute.c b/source/blender/blenkernel/intern/attribute.c
index 9b8ae4b3804..0cb0704ff80 100644
--- a/source/blender/blenkernel/intern/attribute.c
+++ b/source/blender/blenkernel/intern/attribute.c
@@ -311,6 +311,20 @@ AttributeDomain BKE_id_attribute_domain(const ID *id, const CustomDataLayer *lay
 
 int BKE_id_attribute_data_length(ID *id, CustomDataLayer *layer)
 {
+  /* When in mesh editmode, attributes point to bmesh customdata layers, the attribute data is
+   * empty since custom data is stored per element instead of a single array there (same es UVs
+   * etc.), see D11998. */
+  switch (GS(id->name)) {
+    case ID_ME: {
+      Mesh *mesh = (Mesh *)id;
+      if (mesh->edit_mesh != NULL) {
+        return 0;
+      }
+    }
+    default:
+      break;
+  }
+
   DomainInfo info[ATTR_DOMAIN_NUM];
   get_domains(id, info);