graphic: 0.349
semantic: 0.242
device: 0.234
performance: 0.202
other: 0.089
vnc: 0.050
permissions: 0.043
KVM: 0.041
socket: 0.040
network: 0.025
PID: 0.020
boot: 0.017
debug: 0.012
files: 0.010

Possible DEREF_OF_NULL in linux-user/syscall.c