[PATCH v3 2.6.39-rc1-tip 15/26] 15: uprobes: Handing int3 and singlestep exception.

[Srikar Dronamraju]

* Peter Zijlstra <peterz@infradead.org> [2011-04-19 15:03:05]:

> On Fri, 2011-04-01 at 20:05 +0530, Srikar Dronamraju wrote:
> > +       if (unlikely(!utask)) {
> > +               utask = add_utask();
> > +
> > +               /* Failed to allocate utask for the current task. */
> > +               BUG_ON(!utask);
> 
> That's not really nice is it ;-) means I can make the kernel go BUG by
> simply applying memory pressure.
> 

The other option would be remove the probe and set the ip to
the breakpoint address and restart the thread.


-- 
Thanks and Regards
Srikar