Re: [PATCH] kernfs: handle null pointers while printing node name and path

[Konstantin Khlebnikov]

On 08.02.2017 16:23, Greg Kroah-Hartman wrote:
> On Wed, Feb 08, 2017 at 03:59:06PM +0300, Konstantin Khlebnikov wrote:
> > On 08.02.2017 15:51, Greg Kroah-Hartman wrote:
> > > On Wed, Feb 08, 2017 at 02:28:55PM +0300, Konstantin Khlebnikov wrote:
> > > > Null kernfs nodes could be found at cgroups during construction.
> > >
> > > Really?  Does this happen today?  Is this an issue for older kernels as
> > > well?
> >
> > This happended again recently: https://lkml.org/lkml/2017/1/26/126
> > LTP easily crashes everything since 4.6
>
> Why did you drop the "Fixes:" and cc: stable line from the patch you
> sent me?  That would have saved me asking you this :(

No, this _was_ proposed as a fix but now bug fixed differently right in cgroups.
Now this patch just a cleanup / safer api.

> Care to fix this up and send a new version with that info in it?
>
> thanks,
>
> greg k-h