Segfault happened at: 0x7f8e44d38eee <_ZN15QNetworkSessionD2Ev+30>:	callq  *0x20(%rax)
PC (0x7f8e44d38eee) ok
source "*0x20(%rax)" ok
destination "(%rsp)" (0x7ffee2ac85a0) ok
SP (0x7ffee2ac85a0) ok
Reason could not be automatically determined.