leases_db_del() can crash smbd when there's no record to delete

[Volker Lendecke]

On Tue, Jan 03, 2017 at 03:37:08PM +0000, Youzhong Yang wrote:
> Hi all,
> 
> I am proposing a patch fixing the following issue:
> 
> https://bugzilla.samba.org/show_bug.cgi?id=12495
> 
> In reality, we may never hit it, but it needs to be fixed.
> 
> Attached please review the patch.

Can you explain where it crashes without this patch? I took a look,
but I don't see it.

Thanks,

Volker