==17868== Invalid write of size 8
==17868==    at 0x4E3DB27: wl_list_remove (wayland-util.c:53)
==17868==    by 0xCCB5EFC: focus_state_destroy (shell.c:417)
==17868==    by 0x40FDAB: weston_seat_release (wayland-server.h:179)
==17868==    by 0x884474E: rdp_peer_context_free (compositor-rdp.c:605)
==17868==    by 0x8CDF461: freerdp_peer_context_free (peer.c:404)
==17868==    by 0x8844ADC: rdp_client_activity (compositor-rdp.c:624)
==17868==    by 0x4E3BD12: wl_event_loop_dispatch (event-loop.c:421)
==17868==    by 0x4E3A6C4: wl_display_run (wayland-server.c:785)
==17868==    by 0x408206: main (compositor.c:3305)
==17868==  Address 0x8797b38 is 24 bytes inside a block of size 120 free'd
==17868==    at 0x4C2BA6C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==17868==    by 0x40FDAB: weston_seat_release (wayland-server.h:179)
==17868==    by 0x884474E: rdp_peer_context_free (compositor-rdp.c:605)
==17868==    by 0x8CDF461: freerdp_peer_context_free (peer.c:404)
==17868==    by 0x8844ADC: rdp_client_activity (compositor-rdp.c:624)
==17868==    by 0x4E3BD12: wl_event_loop_dispatch (event-loop.c:421)
==17868==    by 0x4E3A6C4: wl_display_run (wayland-server.c:785)
==17868==    by 0x408206: main (compositor.c:3305)
==17868==