warning message at command line `sudo`

Everytime I try to sudo something at the terminal, I get a warning message:

alexandre@XPS-15Z $ sudo mount file.iso /mnt/ -o loop
[sudo] password for alexandre: 
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory

It's just annoying to get that all the time. How do I solve that? I'm on Ubuntu 14.04 (upgraded from 13.10)

Solution 1:

After a little Googling, I found out this message is related to Samba password syncing.

To fix it, run pam-auth-update and make sure SMB password synchronization is deselected (source). Use space to deselect it.

SMB password synchronization

This should not be necessary when the bug is corrected in SAMBA (in fact, Ubuntu 14.10 is packed with samba 4.1.11 and does not have the same behavior).

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