Re: [syzbot] INFO: task hung in port100_probe

[Pavel Skripkin]

Hi Hillf,

On 3/12/22 14:58, Hillf Danton wrote:
> On Sat, 12 Mar 2022 13:36:15 +0300 Pavel Skripkin  wrote:
> > On 3/12/22 03:56, Hillf Danton wrote:
> > >> upstream branch already has my patch: see commit 
> > >> f80cfe2f26581f188429c12bd937eb905ad3ac7b.
> > >> 
> > > Thanks for your fix.
> > > 
> > >> let's test previous commit to see if my really fixes this issue
> > >> 
> > >> #syz test: 
> > >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> > >> 3bf7edc84a9eb4007dd9a0cb8878a7e1d5ec6a3b3bf7edc84a9eb4007dd9a0cb8878a7e1d5ec6a3b
> > > 
> > > Given the Reported-and-tested-by tag in syzbot's echo [1], can you try and
> > > bisect the curing commit in your spare cycles?
> > > 
> > > Hillf
> > > 
> > > [1] https://lore.kernel.org/lkml/00000000000002e20d05d9f663c6@xxxxxxxxxx/
> > > 
> >
> > Hm, that's odd. Last hit was 4d09h ago and I don't see related patches 
>
> Wonder if you mean it was reproduced four days ago by "Last hit was 4d09h ago".

Yes, exactly.

> If it was then can you share the splat? Anything different from the
> syzbot report [2] on Tue, 22 Jun 2021?

IIRC syzbot tests on top of newest updates. I.e. last time syzbot 
reproduced this issue on top of v5.17-rc7 at least. So fix commit should 
somewhere between v5.17-rc7..HEAD




With regards,
Pavel Skripkin