Thank you for the information and sorry for the delay. With your instruction, I could get the following stacktrace.
------------------------------------------------------------------------------------- Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000055555555f4bc in canon_rmf_load_raw () at dcraw.c:1999 1999 dcraw.c: No such file or directory. (gdb) where #0 0x000055555555f4bc in canon_rmf_load_raw () at dcraw.c:1999 #1 0x000055555555b1bc in main (argc=2, argv=0x7fffffffe568) at dcraw.c:10150 (gdb) x/i $rip => 0x55555555f4bc <canon_rmf_load_raw+140>: mov %si,(%r8,%rdx,2) ------------------------------------------------------------------------------------- Sincerely, Jason Choi.