Segfault happened at: 0x7fb36a9d0457 <kill+7>:	cmp    $0xfffffffffffff001,%rax
PC (0x7fb36a9d0457) ok
source "$0xfffffffffffff001" ok
destination "%rax" ok
Stack memory exhausted (SP below stack segment)
SP (0x7fff47c40de8) ok
Reason could not be automatically determined.