.
Thread 1 (process 7438):
#0  0x00002b742d8049fb in memcpy () from /lib/libc.so.6
#1  0x00000000008a0136 in add_memfilechunk ()
#2  0x000000000088f837 in writedata ()
#3  0x0000000000890395 in write_scenes ()
#4  0x0000000000891dd5 in write_file_handle ()
#5  0x00000000008932f6 in BLO_write_file_mem ()
#6  0x000000000084070c in BKE_write_undo ()
#7  0x000000000051cd41 in screenmain ()
#8  0x00000000005154fd in main ()