Segfault happened at: 0x7fc1c75088c8:	callq  *0x30(%rbx)
PC (0x7fc1c75088c8) ok
source "*0x30(%rbx)" ok
destination "(%rsp)" (0x7fff4f20ff60) ok
SP (0x7fff4f20ff60) ok
Reason could not be automatically determined.