Messages in this thread |  | | | Subject | Re: BUG: wedged processes, test program supplied | | From | Mike Galbraith <> | | Date | Wed, 20 Dec 2006 08:09:25 +0100 |
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On Wed, 2006-12-20 at 01:05 -0500, Albert Cahalan wrote: > On 12/20/06, Mike Galbraith <efault@gmx.de> wrote: > > On Tue, 2006-12-19 at 21:46 -0500, Albert Cahalan wrote: > > > Somebody PLEASE try this... > > > > I was having enough fun with cloninator (which was whitespace munged > > btw). > > Anything stuck? Besides refusing to die, that beast slays debuggers > left and right. I just need to add execve of /proc/self/exe and a massive > storm of signals on the alternate stack.
Usually, I can kill the misbehaving strace or abandoned cloninators if it decides to take a hike, but sometimes it leaves corpses lying around.
> Oh. I wanted to be sure you'd see the problem. Did you have > some... difficulty? A plain old ^C should make things stop. > The second test program is like the first, but missing SIGCHLD > >from the clone flags, and hopefully not whitespace-mangled. > > Note that the test program is not normally a fork bomb. > It self-limits itself to 42 tasks via a lock in shared memory. > If things are working OK, you should see no more than > about 60 tasks.
I didn't take any countermeasures.. had ~27000 zombies.
-Mike
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