device: 0.803
network: 0.776
other: 0.703
performance: 0.608
boot: 0.421
socket: 0.347
debug: 0.281
files: 0.262
graphic: 0.250
permissions: 0.157
semantic: 0.144
PID: 0.130
vnc: 0.111
KVM: 0.020

x86: ret, lret and iret with noncanonical IP saves wrong IP on the exception stack