Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f17a32ccac2 in guac_vnc_user_leave_handler (user=0x2d34960) at user.c:115
115 guac_common_cursor_remove_user(vnc_client->display->cursor, user);
(gdb) bt
#0 0x00007f17a32ccac2 in guac_vnc_user_leave_handler (user=0x2d34960) at user.c:115
#1 0x0000000000404d50 in guacd_handle_user (user=user@entry=0x2d34960) at user.c:304
#2 0x0000000000404461 in guacd_user_thread (data=0x7f179c01b6f0) at proc.c:95
#3 0x00007f17a766f064 in start_thread (arg=0x7f179af18700) at pthread_create.c:309
#4 0x00007f17a685262d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)