Re: [PATCH 0/2] mm: Two small fixes for recent syzbot reports

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On Wed, Apr 08, 2020 at 05:47:32PM -0700, Andrew Morton wrote:
> On Tue,  7 Apr 2020 21:40:08 -0400 Peter Xu <peterx@xxxxxxxxxx> wrote:
> 
> > The two patches should fix below syzbot reports:
> > 
> >   BUG: unable to handle kernel paging request in kernel_get_mempolicy
> >   https://lore.kernel.org/lkml/0000000000002b25f105a2a3434d@xxxxxxxxxx/
> > 
> >   WARNING: bad unlock balance in __get_user_pages_remote
> >   https://lore.kernel.org/lkml/00000000000005c65d05a2b90e70@xxxxxxxxxx/
> 
> (Is there an email address for the syzbot operators?)

I'd suggest syzkaller-bugs@xxxxxxxxxxxxxxxx (added to the Cc).

But there's a deeper problem in that we don't have anywhere to stash
that kind of information in the kernel tree right now.  Perhaps a special
entry in the MAINTAINERS file for bot operators?  Or one entry per bot?

> sysbot does test linux-next, yet these patches sat in linux-next for a
> month without a peep, but all hell broke loose when they hit Linus's
> tree.  How could this have happened?
> 
> Possibly I've been carrying a later patch which fixed all this up, but
> I'm not seeing anything like that.  Nothing at all against mm/gup.c.
> 
> 




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