#0 0x00000000005fb625 in free_imbuf_strip_elem (se=0x0) at source/blender/src/sequence.c:1549
#1 0x00000000005fb88a in free_imbuf_seq () at source/blender/src/sequence.c:1603
#2 0x00000000007c1db1 in do_seqbuttons (val=2) at source/blender/src/drawseq.c:1077
#3 0x00000000006fb3a0 in winqreadseqspace (sa=0x371d460, spacedata=0x371d6e0, evt=0x7fffd4c03de0)
at source/blender/src/space.c:4465
#4 0x0000000000730290 in scrarea_do_winhandle (area=0x371d460, evt=0x7fffd4c03de0) at source/blender/src/spacetypes.c:159
#5 0x000000000054bf42 in scrarea_dispatch_events (sa=0x371d460) at source/blender/src/editscreen.c:598
#6 0x000000000054d9ee in screen_dispatch_events () at source/blender/src/editscreen.c:1230
#7 0x000000000054e459 in screenmain () at source/blender/src/editscreen.c:1509
#8 0x000000000051d6ea in main (argc=1, argv=0x7fffd4c04298) at source/creator/creator.c:711