Fix BMesh memory leak w/ multires data

2 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_core.c b/source/blender/bmesh/intern/bmesh_core.c
index dfa78f611c4..4e178686144 100644
--- a/source/blender/bmesh/intern/bmesh_core.c
+++ b/source/blender/bmesh/intern/bmesh_core.c
@@ -247,6 +247,9 @@ static BMLoop *bm_loop_create(
 
 	if (!(create_flag & BM_CREATE_SKIP_CD)) {
 		if (l_example) {
+			/* no need to copy attrs, just handle customdata */
+			// BM_elem_attrs_copy(bm, bm, l_example, l);
+			CustomData_bmesh_free_block_data(&bm->ldata, l->head.data);
 			CustomData_bmesh_copy_data(&bm->ldata, &bm->ldata, l_example->head.data, &l->head.data);
 		}
 		else {
diff --git a/source/blender/bmesh/operators/bmo_inset.c b/source/blender/bmesh/operators/bmo_inset.c
index 118a19d3082..7bdf7db69ad 100644
--- a/source/blender/bmesh/operators/bmo_inset.c
+++ b/source/blender/bmesh/operators/bmo_inset.c
@@ -1095,6 +1095,8 @@ void bmo_inset_region_exec(BMesh *bm, BMOperator *op)
 				InterpFace *iface = iface_array[BM_elem_index_get(es->l->f)];
 				const int i_a = BM_elem_index_get(l_a_other);
 				const int i_b = BM_elem_index_get(l_b_other);
+				CustomData_bmesh_free_block_data(&bm->ldata, l_b->head.data);
+				CustomData_bmesh_free_block_data(&bm->ldata, l_a->head.data);
 				CustomData_bmesh_copy_data(&bm->ldata, &bm->ldata, iface->blocks_l[i_a], &l_b->head.data);
 				CustomData_bmesh_copy_data(&bm->ldata, &bm->ldata, iface->blocks_l[i_b], &l_a->head.data);