[Bf-blender-cvs] [d583af00263] master: Fix T51756: Fix crash when transforming vertices in edit mode

[Sergey Sharybin]

Commit: d583af00263f8a77ab646e3758777f38147bd742
Author: Sergey Sharybin
Date:   Fri Jun 9 10:46:00 2017 +0200
Branches: master
https://developer.blender.org/rBd583af00263f8a77ab646e3758777f38147bd742

Fix T51756: Fix crash when transforming vertices in edit mode

The issue was caused by under-allocation of UV islands calculation.

===================================================================

M	source/blender/editors/transform/transform_conversions.c

===================================================================

diff --git a/source/blender/editors/transform/transform_conversions.c b/source/blender/editors/transform/transform_conversions.c
index 071800a87d1..dabce262125 100644
--- a/source/blender/editors/transform/transform_conversions.c
+++ b/source/blender/editors/transform/transform_conversions.c
@@ -2280,7 +2280,7 @@ static struct TransIslandData *editmesh_islands_info_calc(
 		}
 
 		if (group_tot_single != 0) {
-			trans_islands = MEM_reallocN(trans_islands, group_tot + group_tot_single);
+			trans_islands = MEM_reallocN(trans_islands, sizeof(*trans_islands) * (group_tot + group_tot_single));
 
 			BM_ITER_MESH_INDEX (v, &viter, bm, BM_VERTS_OF_MESH, i) {
 				if (BM_elem_flag_test(v, BM_ELEM_SELECT) && (vert_map[i] == -1)) {