#0  0x00007fa7d1a383d9 in ?? ()
No symbol table info available.
#1  0x0000000000000020 in ?? ()
No symbol table info available.
#2  0x00000004d5942ac0 in ?? ()
No symbol table info available.
#3  0x00007fa7d1a37b70 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.