I have got EXS (stackOverflow error) by NCP(Zigbee pro stack) and I used JN5168 Chip as an NCP.
I got this error in below scenario.
1) when I call ZPS_eAplZdpMatchDescRequest after then got EXS.
2) when I call zps_eAplAfUnicastAckDataReq after then got EXS.
3) when I call zps_eAplAfUnicastIeeeAckDataReq after then got EXS.