from the your-kid-knows-the-password-anyway dept.
zacharye writes "BGR has uncovered a security flaw on AT&T's version of the Samsung Galaxy S II that renders Android's unlock pattern feature completely useless. Using a simple workaround, the security hole allows anyone to bypass the unlock pattern, which normally denies users access to an Android device unless a preset pattern is drawn on a grid of nine dots spread across the device's lock screen."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals