#0  0x00007f25b93002af in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f25b9303d7c in free () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f25b93302fd in closedir () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x0000000000404928 in ?? ()
No symbol table info available.
#4  0x0000000000404d06 in ?? ()
No symbol table info available.
#5  0x0000000000405023 in ?? ()
No symbol table info available.
#6  0x000000000040148c in ?? ()
No symbol table info available.
#7  0x00007f25b92a830d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000402325 in ?? ()
No symbol table info available.
#9  0x00007fff18fed0e8 in ?? ()
No symbol table info available.
#10 0x000000000000001c in ?? ()
No symbol table info available.
#11 0x000000000000000d in ?? ()
No symbol table info available.
#12 0x00007fff18fede50 in ?? ()
No symbol table info available.
#13 0x00007fff18fede77 in ?? ()
No symbol table info available.
#14 0x00007fff18fede7b in ?? ()
No symbol table info available.
#15 0x00007fff18fedeb4 in ?? ()
No symbol table info available.
#16 0x00007fff18fedebd in ?? ()
No symbol table info available.
#17 0x00007fff18fedec5 in ?? ()
No symbol table info available.
#18 0x00007fff18fedecc in ?? ()
No symbol table info available.
#19 0x00007fff18fededc in ?? ()
No symbol table info available.
#20 0x00007fff18fededf in ?? ()
No symbol table info available.
#21 0x00007fff18fedeee in ?? ()
No symbol table info available.
#22 0x00007fff18fedef8 in ?? ()
No symbol table info available.
#23 0x00007fff18fedf06 in ?? ()
No symbol table info available.
#24 0x00007fff18fedf0d in ?? ()
No symbol table info available.
#25 0x0000000000000000 in ?? ()
No symbol table info available.