Want to break out of the RISC-V QEMU instance? Well, I'm not quite there yet. But... I can get QEMU to forcibly exit emulation without notifying the system. #lame #0day #HITB2017AMS

Welcome to Buildroot
buildroot login: donb
Password:
$ cd /donb
$ ./illegal 0
executing...
MODE, mmu_idx mismatch
x@riscv:/$