#0  0x00007f75fd059425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f75fd05cb8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f76008d1566 in ?? ()
No symbol table info available.
#3  0x00007f76008ce6ca in ?? ()
No symbol table info available.
#4  0x00007f76008cb87f in ?? ()
No symbol table info available.
#5  0x00007f76008cc755 in ?? ()
No symbol table info available.
#6  0x00007f75fd3e9e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007f75fd116cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.