Re: [syzbot] INFO: task hung in vhost_work_dev_flush

From: Anirudh Rayabharam
Date: Tue Feb 22 2022 - 06:35:25 EST


On Tue, Feb 22, 2022 at 01:05:56PM +0300, Dan Carpenter wrote:
> On Mon, Feb 21, 2022 at 09:23:04PM +0530, Anirudh Rayabharam wrote:
> > On Mon, Feb 21, 2022 at 03:12:33PM +0100, Stefano Garzarella wrote:
> > > #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
> > > f71077a4d84b
> > >
> > > Patch sent upstream:
> > > https://lore.kernel.org/virtualization/20220221114916.107045-1-sgarzare@xxxxxxxxxx/T/#u
> >
> > I don't see how your patch fixes this issue. It looks unrelated. It is
> > surprising that syzbot is happy with it.
> >
> > I have sent a patch for this issue here:
> > https://lore.kernel.org/lkml/20220221072852.31820-1-mail@xxxxxxxxxxxxx/
>
> I wasted so much time trying to figure out what this patch fixes. :P

Sorry! The new patch is here:
https://lore.kernel.org/lkml/20220221195303.13560-1-mail@xxxxxxxxxxxxx/T/#u

Thanks!

- Anirudh.

>
> (It doesn't fix anything).
>
> regards,
> dan carpenter
>