.
Thread 1 (LWP 5103):
#0  0x00007f30b32e98df in ?? ()
No symbol table info available.
#1  0x00007ffc33ec03c8 in ?? ()
No symbol table info available.
#2  0x00007ffc33ec03c8 in ?? ()
No symbol table info available.
#3  0x00000001b3455608 in ?? ()
No symbol table info available.
#4  0x0000560c895581a0 in ?? ()
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.