Segfault happened at: 0x7f1d64014a54 <pa_hashmap_get+20>:	callq  *(%rbx)
PC (0x7f1d64014a54) ok
source "*(%rbx)" ok
destination "(%rsp)" (0x7f1d4a3a0940) ok
Stack memory exhausted (SP below stack segment)
SP (0x7f1d4a3a0940) ok
Reason could not be automatically determined.