On Thu, Mar 06, 2008 at 07:13:20PM +0100, Paolo Bonzini wrote: > A process can send a signal via kill. IOW, a malicious process can > *control when the process would be interrupted* in order to get it into > the signal handler with DF=1.
If the malicious process can send a signal to another process, it could also ptrace() it. Which is more useful, if you wanted to be malicious? Jack