Re: [PATCH 1/6] block: Add config option to not allow writing to mounted devices

Aleksandr Nogikh
2023-11-08T18:25:11Z

Hi!

Thanks for letting me know!

I've sent a PR with new syzbot configs:
https://github.com/google/syzkaller/pull/4324

--
Aleksandr

On Wed, Nov 8, 2023 at 2:10 AM Jan Kara <jack@suse.cz> wrote:
>
> Hi!
>
> On Tue 24-10-23 13:10:15, Jan Kara wrote:
> > On Thu 19-10-23 11:16:55, Aleksandr Nogikh wrote:
> > > Thank you for the series!
> > >
> > > Have you already had a chance to push an updated version of it?
> > > I tried to search LKML, but didn't find anything.
> > >
> > > Or did you decide to put it off until later?
> >
> > So there is preliminary series sitting in VFS tree that changes how block
> > devices are open. There are some conflicts with btrfs tree and bcachefs
> > merge that complicate all this (plus there was quite some churn in VFS
> > itself due to changing rules how block devices are open) so I didn't push
> > out the series that actually forbids opening of mounted block devices
> > because that would cause a "merge from hell" issues. I plan to push out the
> > remaining patches once the merge window closes and all the dependencies are
> > hopefully in a stable state. Maybe I can push out the series earlier based
> > on linux-next so that people can have a look at the current state.
>
> So patches are now in VFS tree [1] so they should be in linux-next as well.
> You should be able to start using the config option for syzbot runs :)
>
> Honza
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git/log/?h=vfs.super
> --
> Jan Kara <jack@suse.com>
> SUSE Labs, CR