Segfault happened at: 0x7fd80056bdd9:	callq  *0x10(%rax)
PC (0x7fd80056bdd9) ok
source "*0x10(%rax)" ok
destination "(%rsp)" (0x7fff4b1bd7c0) ok
SP (0x7fff4b1bd7c0) ok
Reason could not be automatically determined.