Re: general protection fault in kernfs_add_one

[Dmitry Vyukov]

On Wed, Nov 20, 2019 at 5:54 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Nov 19, 2019 at 8:04 PM Benjamin Herrenschmidt
> <benh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > Could this be what was fixed by:
> >
> > ac43432cb1f5c2950408534987e57c2071e24d8f
> > ("driver core: Fix use-after-free and double free on glue directory")
> >
> > Which went into 5.3 afaik ?
>
> Hmm. Sounds very possible. It matches the commit syzbot bisected to,
> and looking at the reports, the I can't find anything that is 5.3 or
> later.
>
> I did find a 5.3.0-rc2+ report, but that's still consistent with that
> commit: it got merged just before 5.3-rc4.
>
> So I think you're right.
>
> I forget what the magic email rule was to report that something is
> fixed to syzbot..

Hi Linus,

This would be:

#syz fix: driver core: Fix use-after-free and double free on glue directory

FTR, the cheat sheet is referenced in every bug report:

> syzbot will keep track of this bug report. See:
> https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot.