Re: kernel BUG at drivers/vhost/vhost.c:LINE! (2)

Stefan Hajnoczi
2018-04-09T03:28:44Z

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On Mon, Apr 09, 2018 at 05:44:36AM +0300, Michael S. Tsirkin wrote:
> On Mon, Apr 09, 2018 at 10:37:45AM +0800, Stefan Hajnoczi wrote:
> > On Sat, Apr 7, 2018 at 3:02 AM, syzbot
> > <syzbot+65a84dde0214b0387ccd@syzkaller.appspotmail.com> wrote:
> > > syzbot hit the following crash on upstream commit
> > > 38c23685b273cfb4ccf31a199feccce3bdcb5d83 (Fri Apr 6 04:29:35 2018 +0000)
> > > Merge tag 'armsoc-drivers' of
> > > git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
> > > syzbot dashboard link:
> > > https://syzkaller.appspot.com/bug?extid=65a84dde0214b0387ccd
> >
> > To prevent duplicated work: I am working on this one.
> >
> > Stefan
>
> Do you want to try this patchset:
> https://lkml.org/lkml/2018/4/5/665
>
> ?

Thanks, I'll give it a shot.

I also noticed a regression in commit
d65026c6c62e7d9616c8ceb5a53b68bcdc050525 ("vhost: validate log when
IOTLB is enabled") and am currently testing a fix.

Stefan

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