Memoryblock free: pointer not in memlist
Memoryblock emdm: double free
Memoryblock free: pointer not in memlist
Memoryblock free: pointer not in memlist
Memoryblock free: pointer not in memlist
Memoryblock free: pointer not in memlist

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1227826928 (LWP 24236)]
0x084ec390 in customData_free_layer__internal (layer=0x3f800000, totelem=879755264)
    at source/blender/blenkernel/intern/customdata.c:465
465             if(!(layer->flag & CD_FLAG_NOFREE) && layer->data) {