On 3/6/08, Jack Lloyd <[EMAIL PROTECTED]> wrote: > 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?
And more to the point, it can happen before GCC 4.3.0. So why does GCC have do something that just happens more often now? I still don't see why we have to work around a bug in the kernel which could show up before GCC 4.3.0. -- Pinski
