Re: [syzbot] [net?] INFO: task hung in new_device_store (5)

[Eric Dumazet]

On Fri, Sep 27, 2024 at 1:44 PM Hillf Danton <hdanton@xxxxxxxx> wrote:
>
> On Fri, 27 Sep 2024 13:24:54 +0200 Eric Dumazet <edumazet@xxxxxxxxxx>
> > I suggest you look at why we have to use rtnl_trylock()
> >
> > If you know better, please send patches to remove all instances.
>
> No patch is needed before you show us deadlock. I suspect you could
> spot a case where lockdep fails to report deadlock.

Please try to not educate maintainers about their stuff.

lockdep is usually right. And here there is an actua syzbot report.