On Mon, Apr 02, 2018 at 06:00:57PM -0500, Eric W. Biederman wrote: > syzbot <syzbot+7a1cff37dbbef9e7b...@syzkaller.appspotmail.com> writes: > > > Hello, > > > > syzbot hit the following crash on upstream commit > > 9dd2326890d89a5179967c947dab2bab34d7ddee (Fri Mar 30 17:29:47 2018 +0000) > > Merge tag 'ceph-for-4.16-rc8' of git://github.com/ceph/ceph-client > > syzbot dashboard link: > > https://syzkaller.appspot.com/bug?extid=7a1cff37dbbef9e7ba4c > > > > So far this crash happened 4 times on upstream. > > > > Unfortunately, I don't have any reproducer for this crash yet. > > Do you have any of the other traces? This looks like a something is > calling put_pid_ns more than it is calling get_pid_ns causing a > reference count mismatch. > > If this is not: 9ee332d99e4d5a97548943b81c54668450ce641b > > I could use a few more hints to help narrow down what is going wrong. > > It would be nice to know what the other 3 crashes looked like and > exactly which upstream they were on. >
The other crashes are shown on the syzbot dashboard (link was given in the original email). Eric
