[Samba] Network Meltdown after Samba 4.9.0 Upgrade

[Andrew Bartlett]

On Sat, 2018-09-15 at 23:44 +1000, Reuben Farrelly via samba wrote:
> 
> On 15/09/2018 10:44 pm, Andrew Bartlett wrote:
> > 
> > On Sat, 2018-09-15 at 12:52 +1000, Reuben Farrelly via samba wrote:
> > 
> > > 
> > > The system is a Gentoo Linux x86_64 kept very up to date.  The
> > > server
> > > is
> > > a VM which has one interface that has 4 IPv4 and IPv6 addresses
> > > on
> > > it,
> > > as well as a second vNIC (currently used for backups only with no
> > > hosts
> > > on it right now).
> > > 
> > > Can anyone please assist in getting to the bottom of what appears
> > > to
> > > be
> > > a nasty bug?  I'm keen to work on getting to the root cause of
> > > this.
> > Can you try reverting 3a383038ee7f74e5a9d2326a761b27950a14eb83?
> > 
> > nmbd does not change much, and this is one of the few changes
> > between
> > 4.8 and 4.9.
> > 
> > I've attached such a revert (it probably won't go to list
> > recipients)
> > for your testing.
> > 
> > Thanks,
> > 
> > Andrew Bartlett
> > 
> Cool.  That seems to have fixed things both in the scenario of
> "domain 
> master = yes" set (my initial config) as well as the case of that 
> parameter now not explicitly defined.
> 
> In both cases Samba now starts up normally and uneventfully.

Can you please file a bug?

I think we will have to patch this pretty urgently.

Thanks,

Andrew Bartlett

-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba