Re: 3.9-rc1 NULL pointer crash at find_pid_ns

Paul E. McKenney
2013-03-14T21:01:26Z

On Thu, Mar 14, 2013 at 04:00:54PM -0400, Dave Jones wrote:
> On Sat, Mar 09, 2013 at 07:51:46AM -0800, Paul E. McKenney wrote:
> > On Sat, Mar 09, 2013 at 04:01:41PM +0800, Li Zefan wrote:
> >
> > [ . . . ]
> >
> > > > This way, "ptr" is executed exactly once, and the check and the
> > > > hlist_entry() are both using the same value.
> > >
> > > I just played with trinity, and triggered this bug in just a few mins,
> > > and I tried Paul's proposed fix and it works.
> >
> > Thank you for testing this! Please see below for the patch.
> >
> > Sasha, will you be pushing this or would you like me to do so?
>
> [crickets]
>
> Given this has been hanging for the better part of another week,
> Paul why not send it Linus so hopefully rc3 doesn't have this bug ?

Good point! I sent a pull request.

Thanx, Paul