[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Launchpad Bug Tracker]

This bug was fixed in the package samba - 2:4.1.6+dfsg-1ubuntu2.14.04.8

---
samba (2:4.1.6+dfsg-1ubuntu2.14.04.8) trusty; urgency=medium

  * Fix for "no talloc stackframe at" warning messages (LP: #1257186)

 -- Ryan Harper   Mon, 22 Jun 2015 08:48:37
-0500

** Changed in: samba (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[jswinner]

Unable to test at this time, too many umet dependencies

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Miklos Juhasz]

** Tags removed: verification-needed
** Tags added: verification-done

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ian Abbott]

libpam-smbpass 2:4.1.6+dfsg-1ubuntu2.14.04.8 fixes it for me.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[whoop]

I did a dist-upgrade with trusty proposed and the leakage message is
gone for me...

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Chris J Arges]

Hello Doug, or anyone else affected,

Accepted samba into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/samba/2:4.1.6+dfsg-
1ubuntu2.14.04.8 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: samba (Ubuntu Trusty)
   Status: In Progress => Fix Committed

** Tags added: verification-needed

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Re: [Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ryan Harper]

On Thu, Jun 25, 2015 at 7:44 PM, Chad  wrote:

> Would someone explain the last several updates?  What is the SRU team
>
and what kind of review are they performing?  Finally (and possibly most


Hi, I think most of your questions will be answered by looking at the
Stable Release Update wiki page:

https://wiki.ubuntu.com/StableReleaseUpdates

I've applied and tested the upstream fix for this issue to the Samba
package in trusty.
I've confirmed that the fix that's upstream in Samba is not present in the
current development release (Wily)
And I've packaged up the fix for trusty and submitted for the SRU team to
review.  If approved, there will be
a test package published to be verified and if all goes well it will be
released into the
Trusty updates stream.

importantly), how can the status be "In Progress" when the ticket is
> still "Unassigned"?
>

Work is under-way, specially the Trusty SRT task is in progress; bug
assignment isn't required AFAIK.

Hope that helps,
Ryan

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Chad]

Would someone explain the last several updates?  What is the SRU team
and what kind of review are they performing?  Finally (and possibly most
importantly), how can the status be "In Progress" when the ticket is
still "Unassigned"?

Thanks in advance!

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Robie Basak]

SRU from Ryan Harper sponsored and uploaded. Thanks! Now awaiting review
from the SRU team.

** Changed in: samba (Ubuntu Trusty)
   Status: Confirmed => In Progress

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ryan Harper]

** Changed in: samba (Ubuntu)
   Status: Triaged => Fix Released

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ryan Harper]

I've confirmed that this is already fixed in Wily.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ryan Harper]

** Description changed:

- This message appears a lot as of a recent update to samba (Trusty
- development branch):
+ [Impact]
+ 
+  * Warning messages related to memory leaks "no talloc stackframe at"
+are present at login and other PAM services when libpam-smbpass is
+installed.
+ 
+  * Backporting the fix resolves the warning messages and memory leak.
+ 
+  * The upload incorporates the upstream fix from Samba.
+ 
+ [Test Case]
+ 
+  * On a Trusty 14.04 system:
+1. sudo apt-get install libpam-smbpass
+2. sudo passwd 
+3. if bug is present in samba, then the output looks like:
+ 
+ % sudo passwd 
+ no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
+ Enter new UNIX password: 
+ 
+4. After applying the updated packages the 'no talloc stackframe at'
+message is no longer present during step 2.
+ 
+ 
+ [Regression Potential] 
+ 
+  * The changes are in the area of samba password authentication so it
+ would be worth exercising Samba client password manipulation.
+ 
+ 
+ [Original Description]
+ This message appears a lot as of a recent update to samba (Trusty development 
branch):
  
  no talloc stackframe at ../source3/param/loadparm.c:4831, leaking memory
  
  From this upstream bug report, I am lead to believe the issue is in
  libpam-smbpass, but I don't really know for sure.
  
  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=728666
  
  I am filing this bug report mainly so that I can refer to it on the
  testing tracker as an issue, while still setting the test case to pass.
  Note that other than the error message itself, I am not aware of any bad
  side effect.
  
  doug@v32-serv04:~$ lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:Ubuntu Trusty Tahr (development branch)
  Release:14.04
  Codename:   trusty

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ian Abbott]

gollum53 wrote in comment #96:
> This bug also affects vsftpd functionality. When SMB password synchronisation 
> is selected in pam-auth-update, vsftpd can not authenticate users and 
> segfaults with OOPS message.

I had a quick go at trying to reproduce that to see if I could install a
modified libpam-smbpass to make the problem go away, but I was unable to
reproduce it. That was probably related to these messages in my
/var/log/auth.log:

Jun 23 11:33:20 ubuntu vsftpd: PAM unable to dlopen(pam_smbpass.so): 
/lib/security/pam_smbpass.so: cannot open shared object file: No such file or 
directory
Jun 23 11:33:20 ubuntu vsftpd: PAM adding faulty module: pam_smbpass.so

as the PAM modules such as pam_smbpass.so are actually installed in
/lib/x86_64-linux-gnu/security/ on my 64-bit system, not /lib/security/.
This is a separate issue with vsftpd not worth dwelling on in this bug,
though I did try symlinking /lib/x86_64-linux-gnu/security to
/lib/security and got these errors instead:

Jun 23 11:51:40 ubuntu vsftpd: PAM unable to dlopen(pam_smbpass.so): 
libsamba-hostconfig.so.0: failed to map segment from shared object: Cannot 
allocate memory
Jun 23 11:51:40 ubuntu vsftpd: PAM adding faulty module: pam_smbpass.so

At that point I gave up trying to reproduce the problem with vsftpd!

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Robie Basak]

> This bug also affects vsftpd functionality. When SMB password
synchronisation is selected in pam-auth-update, vsftpd can not
authenticate users and segfaults with OOPS message.

This sounds like bug 1348972 in vsftpd and I don't think a fix to this
samba bug will affect it.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[gollum53]

This bug also affects vsftpd functionality. When SMB password
synchronisation is selected in pam-auth-update, vsftpd can not
authenticate users and segfaults with OOPS message. This seems like a
critical bug to me and should be corrected as soon as possible in a LTS
server release...

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Doug Smythies]

Chad wrote:
>Xavier wrote that this needs to be moved somewhere else.
> Does anyone know how to do that? 
> If someone can explain to me what needs to happen,

I changed the trusty target from 14.04.2 (which is in the past) to
14.04.3 (which is in the future, albeit, not far off)

** Changed in: samba (Ubuntu Trusty)
Milestone: ubuntu-14.04.2 => ubuntu-14.04.3

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[futwick]

** Also affects: hundredpapercuts
   Importance: Undecided
   Status: New

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Chad]

Xavier wrote that this needs to be moved somewhere else.  Does anyone
know how to do that?  If someone can explain to me what needs to happen,
I'll be happy to do it myself.  Removing libpam-smbpass is not an option
for me, nor is it, in my opinion, an appropriate "fix".  I can't believe
no one is looking at this.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Donovan Long]

Thank you #89.  It's a PITA to do, but it does work as Ian described and
the error no longer appears when I use sudo.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ian Abbott]

I'm not sure why unresolved bugs for missed milestones can't be moved to
the next milestone automatically. Less chance of them being ignored that
way!

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Xavier L.]

This should me moved to the
https://launchpad.net/ubuntu/+milestone/ubuntu-14.04.3 or
https://launchpad.net/ubuntu/+milestone/ubuntu-14.04.4 milestone.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[James Knox]

I can also confirm this is still an issue:

no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory

SYSTEM SETTINGS:

Operating system : Linux Mint 17.1 Cinnamon 64bit
Cinnamon Version : 2.4.5
Linux Kernel   : 3.13.0-37 generic

Confirmed no longer an issue once "libpam-smbpass" removed.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ian Abbott]

I think this should be easy to fix if Canonical can find anyone to
assign the bug to. I managed to fix it locally by following the guide at
https://help.ubuntu.com/community/UpdatingADeb to rebuild the samba
packages from source with the upstream patch applied. For the final
step, I used "sudo debi -u" instead of "sudo debi" to only upgrade the
existing packages instead of installing all of them.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Ian]

This is happening still in 14.04.2.

I installed libpam-smbpass:amd64  2:4.1.6+dfsg-1ubuntu2.14.04.7

Whenever I do sudo commands and login in the issue shows up with talloc.

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 14.04.2 LTS
Release:14.04
Codename:   trusty

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[CaesarS]

Wow, this bug has a long history.

I can confirm the issue as well with 4.1.6 and 4.2.1 I've isolated to
the line:

authoptionalpam_smbpass.so migrate

Configured in /etc/pam.d/common-auth

That line is added by libpam package installation and also by using pam-
auth-update to enable SMB Password Synchronization

For 4.2.1 the error however occurs in su:

*** Error in `su': double free or corruption (fasttop): 0x0110d800 ***
Aborted

Which happens after the password is entered.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Chad]

Still and issue.  Ubuntu 14.04.2 LTS (GNU/Linux 3.16.0-37-generic
x86_64)

chad@server:~$ sudo su
[sudo] password for chad:
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
root@server:/home/chad#

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Olli Ovaskainen]

Confirmed in Ubuntu 14.04.02 LST x64.
Fresh install.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Geoffrey McClinsey]

Confirmed in Ubuntu 14.04.02 LST x64.

I did not notice it until after I updated, but maybe it was there.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[23W]

Confirmed in Ubuntu 14.04.02 LST x64 after fresh install.

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Title:
  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[peter flaxer]

I also get it when starting python:
Ignoring unknown parameter "password level"
Ignoring unknown parameter "update encrypted

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Brian Trotter]

Correction: make that 14.04.02 LTS Server.

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Brian Trotter]

Confirmed in Ubuntu 14.04.02 LST after fresh install.

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Mark Wilson]

Confirmed in Ubuntu 14.04.02 LTS after recent upgrade from Ubuntu 12.04
LTS.

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Emmanuel Chanel]

This error makes my dovecot's auth-worker get down since I use both
system accounts and virtual mail boxes... So it's serious to me...
Probably, there occur such problems...

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Nick Minkler]

Still broken in 14.04.2.

** Changed in: samba (Ubuntu Trusty)
   Status: Triaged => Incomplete

** Changed in: samba (Ubuntu Trusty)
   Status: Incomplete => New

** Changed in: samba (Ubuntu Trusty)
   Status: New => Confirmed

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Achim Behrens]

i really cant think how this could be waited so long to ship a fix. this
is really not acceptable.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[peter flaxer]

On my machine message looks like this (i.e. when i sudo winecfg):

xxx@xxx-pc:~$ sudo winecfg
[sudo] password for xxx: 
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
Ignoring unknown parameter "password level"
Ignoring unknown parameter "update encrypted"
wine: /home/xxx/.wine is not owned by you


I have all kind of samba packages installed, also the libpam stuff and pam 
auth, took me 2 hours to get samba to browser my network, then my user password 
was changed, when samba and ubuntu passwords where synced, the i had to 
re-passwd my user, now samba works, ubuntu works, but i get this message. i 
must say that samba has to be considered completely broken on ubuntu 14.04 LTS 
as the "Local network share"-feature in the File manager does nothing useful at 
all, it just doenst bring samba to life, one has to install samba by hand and 
go through the hole pain in the ass smb.conf procedure, as sambe is a pure pain 
in the ass to configure.
gtz

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  memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Arthur]

Another Ubuntu user with the same memory leak issue. 
Just like others said, how can it be that the LTS version hasn't got the fix 
that was already released in July? 
This is another one of these "Linux quirks" that makes you wonder if using LTS 
was worth it?
 Should be top priority but seemingly the devs do not care. I'm puzzled.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Heiko]

I also can't understand why it is not fixed already. Because on 14.10
the fix is already released ...so it exists one! :-(

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Luca Reverberi]

No one can make a patch for this release?
We have to wait for ubuntu-14.04.2 ? really? 

This MUST be a HIGH priority bug!

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[monochromec]

It would be interesting to hear about timelines from upstream Canonical
support when the fix is finally integrated in the 14.04 LTS codebase.

Any updates on this?

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Mika Anttila]

I installed the 14.04.1 LTS for my server. Samba was not selected during
the installation. I Installed it manually without a problem. The problem
occured immediately after installing the libpam-smbpass. My Samba
version is 4.1.6-Ubuntu

This issue seems to be resolved by the samba team already in July
(https://bugzilla.samba.org/show_bug.cgi?id=8449). It says it has been
fixed in 4.1 but the fix is not in 4.1 for Ubuntu ?

Having a fix in 14.10 is not a resolution. 14.04 is a LTS for
(production) servers and must receive the fix through normal package
upgrades. Is this bug really "not assigned" in the Ubuntu team ?

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Gerald Drouillard]

Disabling the module with pam-auth-update makes the problem go away for
me.  If I re-enable the problem comes back.

This should be a HIGH priority bug.

The problem will occur after a successful su command.

Running with all the available patches available today.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Andrew Berry]

I'm using netatalk as well, and this bug was causing
/run/samba/gencache_notrans.tdb to grow to several hundred MB until /run
was out of space. According to tdbtool the database itself was basically
empty, but it was still taking up disk even after a repack. Disabling
the module with pam-auth-update looks to have fixed the problem.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[NoOp]

I think that I'll just remove it - see:

(libpam-smbpass leaks file descriptors when PAM authenticates multiple times in 
a single process)

** Bug watch added: Samba Bugzilla #10669
   https://bugzilla.samba.org/show_bug.cgi?id=10669

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Doug Smythies]

@Coeur: I entered this bug report over 11 months ago, and have simply
ignored the error ever since. I haven't had any problems.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Coeur Noir]

I've just installed (L)uBuntu 14.04.1 from mini.iso - with samba.

'no talloc stackframe at ../source3/param/loadparm.c:4864, leaking
memory' is also there.

Before trying anything to get rid of that error message, is this worth
trying ?

What are the consequences of just let it as is and waiting for update ?

(I will use Samba for sharing folders on a little office network, with
(simple) passwords for each user - no ldap or kerberos)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[jdouglas50]

I followed Jeff's steps as well but I got the same results as Nick.  The
problem reappears when pam-auth-update is turned back on.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[monochromec]

This still might point back to the talloc issue I pointed out earlier in
this thread.

Checking libtalloc2 on both trusty and utopic (14.04.1 and 14.10)
reveals the following:

trusty:  49704 Oct 21  2013 /usr/lib/x86_64-linux-gnu/libtalloc.so.2.1.0
utopic: 59560 Jul  6 07:12 /usr/lib/x86_64-linux-gnu/libtalloc.so.2.1.1

So different versions, patchlevels and sizes...

Apparently the talloc2 patch present in 14.10 didn't make into 14.4.1;
if somebody upstream is reading this it would be great to have a
timeline for inclusion into the 14.4 base.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Nick Bunyan]

I am running 14.04.1 and have reproduced Jeff's steps above [pam-auth-
update off then back on] and in my case the error message simply re-
appears once SMB is re-enabled.

'no talloc stackframe at ../source3/param/loadparm.c:4864, leaking
memory'

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Jeff Sereno]

I've had this error since installing the Beta of 14.04 Server, upgrading
it periodically to current release.

Using Thomas' suggestion, I ran "sudo pam-auth-update" and unchecked
"SMB Password Synchronization".

Did a test and found the problem disappeared. Good stuff.

I then decided to re-run "sudo pam-auth-update" and re-check "SMB
Password Synchronization", just out of curiosity.

The error has NOT reappeared since re-enabling "SMB Password
Synchronization", so I'm guessing that along with any of the upstream
Samba fixes, you've also had to re-write a config file somewhere.

So far everything seems peachy for me.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Arjan.S]

I updated to 14.10 and the bug is no longer present.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Gabriele]

Is there a solution without removing libpam-smbpass??

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Jeff Lane]

Just adding more griping :) would be nice to see this fixed in Trusty
sometime before next February

bladernr@klaatu:~$ ftp transit
Connected to transit.lanes.
220 (vsFTPd 3.0.2)
Name (transit:bladernr): bladernr
331 Please specify the password.
Password:
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
Login failed.
Remote system type is Login.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[monochromec]

Please note that this bug affects *all* packages using libsmclient,
ranging from the python client side library right up to VLC and XBMC
apart from the ones mentioned above.

I am a bit surpised that - given the scope of this bug - it's still
unassigned (although the importance has been raised to "high", where it
belongs). What's the proper way to escalate this?

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Bill Weinel]

Same problems noted here after an upgrade from 12.04 server to 14.04.1
server preventing user logins to  vsftpd. I apt-get removed libpam-
smbpass and vsftpd now works again here.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[steve.horsley]

FTR, the bug also seems to prevent vsftpd FTP server from accepting user
logins, rendering vsftpd unusable.

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[goofrider]

I checked Samba changelog, the patch was included in Samba 4.1.10. It's
scheduled for release with Trusty 14.04.2 can manually pull the Samba
package from Utopic (currently @ 4.1.11) now. You can also use this PPA,
which tracks the latest Samba upstream releases.

https://launchpad.net/~martinx/+archive/ubuntu/ig


>From http://www.samba.org/samba/history/samba-4.1.10.html


BUG 8449: Simple use case results in "no talloc stackframe around, leaking
  memory" error.)

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Dany Ferron]

I still have the bug.

smbd -V
Version 4.1.6-Ubuntu

 uname -a
Linux homeshare 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux

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[Bug 1257186] Re: memory leakage messages (no talloc stackframe)

[Damian Yerrick]

** Summary changed:

- memory leakage messages 
+ memory leakage messages (no talloc stackframe)

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[Bug 1257186] Re: memory leakage messages

[monochromec]

Apparently the patch didn't make it into samba 4.1. I upated to 4.1 at
the beginng of August and I am still experiencing this bug. Can somebody
confirm that the patch made it into 4.1?

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[Bug 1257186] Re: memory leakage messages

[Ubuntu Foundations Team Bug Bot]

** Tags added: patch

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[Bug 1257186] Re: memory leakage messages

[doliveira]

@Brian Murray,

Hi. Can you confirm this problem will be fixed on the Ubuntu 14.04.2
release? If yes do you know when this version will be released?

@Robie Basak,

Hi, When you can, please inform us if the patch as worked and fixed the
problem. Thanks

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[Bug 1257186] Re: memory leakage messages

[Robie Basak]

I tried the attached patch from upstream on July 17th, but had an FTBFS
in Utopic for unrelated reasons. I haven't had time to look further yet.

** Patch added: "wrap-calls-in-talloc-stackframe.patch"
   
https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1257186/+attachment/4175224/+files/wrap-calls-in-talloc-stackframe.patch

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[Bug 1257186] Re: memory leakage messages

[Brian Murray]

** Changed in: samba (Ubuntu Trusty)
Milestone: ubuntu-14.04.1 => ubuntu-14.04.2

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[Bug 1257186] Re: memory leakage messages

[Marcos Jr]

I want to stick with pam sync pwd funcionality. 
Is there a way to get this fix through apt-get ?

```
samba:
  Installed: 2:4.1.6+dfsg-1ubuntu2.14.04.3

libpam-smbpass:
  Installed: 2:4.1.6+dfsg-1ubuntu2.14.04.3
```

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[Bug 1257186] Re: memory leakage messages

[Herman van der Vaart]

Upgraded my 12.04 to 14.04.1 LTS on 2014-08-06 and got the memory leak
message after every sudo command.

Solved it with:  sudo pam-auth-update
and removing the * for "SMB password synchronization"   (see also #37)

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[Bug 1257186] Re: memory leakage messages

[Nick Minkler]

Just updated to latest samba on trusty repositories today as a new samba
was released and this is re-broken.

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[Bug 1257186] Re: memory leakage messages

[Gerald Drouillard]

Hopefully, if they are cherry picking fixes they pick these too:
https://bugzilla.samba.org/show_bug.cgi?id=10684
https://bugzilla.samba.org/show_bug.cgi?id=10673


** Bug watch added: Samba Bugzilla #10684
   https://bugzilla.samba.org/show_bug.cgi?id=10684

** Bug watch added: Samba Bugzilla #10673
   https://bugzilla.samba.org/show_bug.cgi?id=10673

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[Bug 1257186] Re: memory leakage messages

[IKT]

@doliveira

Samba version is currently 4.0, the fix is intended to be released apart
of the Samba 4.1 release.

Samba 4.1 may be released as an update to Ubuntu 14.04 or the Ubuntu
devs may take just the memory leak patch and put it into 4.0 and then
put that through as an update.

Either way unless you manually download and compile the latest test
release of Samba 4 it's going to be a while yet before it's in the
package you get from apt-get install samba

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[Bug 1257186] Re: memory leakage messages

[doliveira]

Hi,

Can anyone confirm that this bug is already fixed if we now download and
install a fresh Ubuntu Server 14.04 from ubuntu website?

Or for the fix released we after install Ubunto have to make a apt get
update?

Thanks

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[Bug 1257186] Re: memory leakage messages

[Bug Watch Updater]

** Changed in: samba
   Status: In Progress => Fix Released

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[Bug 1257186] Re: memory leakage messages

[Robie Basak]

Bumping to High as this now affects 258 people.

** Changed in: samba (Ubuntu)
   Importance: Medium => High

** Changed in: samba (Ubuntu Trusty)
   Importance: Medium => High

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[Bug 1257186] Re: memory leakage messages

[Benjamin Xiao]

Any idea when this will land in 14.04?

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[Bug 1257186] Re: memory leakage messages

[Gerald Drouillard]

Looks like the folks at Samba have address the bug and have it staged for the 
next release:
https://bugzilla.samba.org/show_bug.cgi?id=8449

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[Bug 1257186] Re: memory leakage messages

[Wayne]

On fresh 14.04 install with "Samba File Server" selected during
install...I hit the same "leaking memory" message when i 'sudo su'.
Confirmed was able to run 'pam-auth-update' and deselected "SMB password
synchronization" option in the pam-auth-update UI and the "leaking
memory" no longer appears. However, i don't know if this actually
prevents the memory leak or if there are any other side-effects.

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[Bug 1257186] Re: memory leakage messages

[doliveira]

Hi,

I have a HP Microserver N40L and on a fresh installation of Ubuntu
Server 14.04 LTS i get the same Leaking Memory Problem.

Because im new using Ubuntu Server, can please someone please help me on
this and respond to 3 simple questions i have:

1- Besides removing "libpam-smbpass" is there any other solution for
this problem?

2- Until Ubuntu team releases a fix / update for this, can i still use
Ubuntu Server 14.04 LTS, without problems? How does this memory leaking
problem affects my system?

3- On the installation process i choose to install Samba. If i don't
install Samba will the Leaking Memory problem still happen?

Thanks

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[Bug 1257186] Re: memory leakage messages

[jerry moss]

confirming affects server 14.04 installed by netboot, with smb file and
print server, ssh server, selected.

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[Bug 1257186] Re: memory leakage messages

[Hanine HAMZIOUI]

"sudo pam-auth-update   "   did the trick for me.

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[Bug 1257186] Re: memory leakage messages

[Neeraz Poudel]

after i run this command "sudo apt-get remove libpam-smbpass"
ubuntu doesnt start.
i see the Ubuntu logo with dots below and then a blank screen after that.
if i close lid and open again i see button labeled  with [OK] and nothing 
happens.
please help.

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[Bug 1257186] Re: memory leakage messages

[Arup]

I am affected with the same bug on my Trusty Thar but unfortunately
solution on post number 14 leads to unable to retrieve shares list so
have to turn the smb pass synchronization on to gain access to samba
shared folders.

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[Bug 1257186] Re: memory leakage messages

[Larry Chipps]

and after two error free days, the error returned after a successful
install and configuration of Minidlna...err... ReadyMedia if the
copyright police are lurking.

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[Bug 1257186] Re: memory leakage messages

[Larry Chipps]

I should have said password authentications there- not password
notifications.

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[Bug 1257186] Re: memory leakage messages

[Larry Chipps]

I had been experiencing this bug until I set up RSA authentication for
all my console sessions, and disabled password notifications. Once I did
that, I have not seen any recurrences.

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[Bug 1257186] Re: memory leakage messages

[Alberto Salvia Novella]

** Changed in: samba (Ubuntu)
   Status: Confirmed => Triaged

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[Bug 1257186] Re: memory leakage messages

[Eric MORAND]

This importance of this bug should probably be reexamined, because it
has impact on other softwares, like Netatalk. It prevents AFP shares
from being accessible and make Netatalk totally useless.

Here is a syslog trace where Netatalk crash because of this bug :

May 17 10:48:29 ace-of-spades afpd[3498]: 
===
May 17 10:48:29 ace-of-spades afpd[3498]: INTERNAL ERROR: Signal 11 in pid 3498 
(2.2.2)
May 17 10:48:29 ace-of-spades afpd[3498]: 
===
May 17 10:48:29 ace-of-spades afpd[3498]: BACKTRACE: 3 stack frames:
May 17 10:48:29 ace-of-spades afpd[3498]:  #0 
/usr/sbin/afpd(netatalk_panic+0x1f) [0x7f4acaaf08bf]
May 17 10:48:29 ace-of-spades afpd[3498]:  #1 /usr/sbin/afpd(+0x549bc) 
[0x7f4acaaf09bc]
May 17 10:48:29 ace-of-spades afpd[3498]:  #2 
/lib/x86_64-linux-gnu/libc.so.6(+0x36ff0) [0x7f4ac9440ff0]

See this bug report :
https://bugs.launchpad.net/ubuntu/+source/netatalk/+bug/810732

Disabling SMB password synchronization (for example with pam-auth-
update) not onyl remove the error message of this bug but also restore
Netatalk behavior.

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[Bug 1257186] Re: memory leakage messages

[Xarin]

Problem persists on Solydx x86 based on jessie/sid.
Removing libpam-smbpass will indeed fix the problem, but I would like to keep 
the functionality.
I am unable to use the "pam-auth-update" fix, I'm guessing this is an ubuntu 
only thing.
Let me know if I can provide any other useful information.

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[Bug 1257186] Re: memory leakage messages

[Dave Gilbert]

Thomas: I've flipped it back.

** Changed in: samba (Ubuntu Trusty)
   Status: In Progress => Triaged

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[Bug 1257186] Re: memory leakage messages

[Thomas Jensen]

I accidentally hit the status of this bug and changed it, now I can't
change it back. Sorry for the trouble!

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[Bug 1257186] Re: memory leakage messages

[Thomas Jensen]

** Changed in: samba (Ubuntu Trusty)
   Status: Triaged => In Progress

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[Bug 1257186] Re: memory leakage messages

[Brian Murray]

** Also affects: samba (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: samba (Ubuntu Trusty)
Milestone: None => ubuntu-14.04.1

** Changed in: samba (Ubuntu Trusty)
   Status: New => Triaged

** Changed in: samba (Ubuntu Trusty)
   Importance: Undecided => Medium

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[Bug 1257186] Re: memory leakage messages

[Robie Basak]

I tried the patch in the upstream bug, but this did not fix my test
case. For the record, I'll attach the debdiff I attempted (that doesn't
work).

** Patch added: "Failed upstream patch"
   
https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1257186/+attachment/4096423/+files/samba.debdiff

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[Bug 1257186] Re: memory leakage messages

[Marco Scacchi]

As Thomas (reusch) suggest in #14 :

Fix:
run "pam-auth-update" and remove "SMB password synchronization".


This isn't a security issue, simply you must remember that your samba password 
may not match your system password.
In an enterprise enviroment, if ubuntu is used as samba server, i bet it use 
kerberos tickets to verify the users identity throught domain controller or 
alternative ldap infrastructure.

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[Bug 1257186] Re: memory leakage messages

[wilpgam]

@pieterjanvu @Robie Basak... thanks 4 ur reply
obviously if I uninstall this functionality, entered into security risk when 
working in large companies and ports are shared. but this solution is only in 
my case because I work on a single network, mine  
and do not recommend it, but in my case to do this I lose the functionality 
that provides security ... (sorry 4my Inglés)


My question: How fix 

how to fix that this message appearing not more without disabling lib?


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[Bug 1257186] Re: memory leakage messages

[Robie Basak]

@wilpgam

Do you intend to work on this yourself, or did you assign the bug to
yourself by accident? I'll assume the latter?

** Changed in: samba (Ubuntu)
 Assignee: wilpgam (wilpgam) => (unassigned)

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Title:
  memory leakage messages

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[Bug 1257186] Re: memory leakage messages

[Robie Basak]

Reproduced on a fresh Trusty cloud image. Steps to reproduce:

1. apt-get install libpam-smbpass
2. sudo passwd ubuntu

Expected result:

Enter new UNIX password:

Actual result:

no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
Enter new UNIX password: 

This should help with verifying a fix.

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Title:
  memory leakage messages

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[Bug 1257186] Re: memory leakage messages

[pieterjanvu]

Although removing the package may fix the message, libpam-smbpass is
required to sync user accounts with samba passwords. Removing that
packaging removes that functionality.

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Title:
  memory leakage messages

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[Bug 1257186] Re: memory leakage messages

[wilpgam]

Im upgrade of Ubuntu 13.10 2 ubuntu 14.04 yesterday and,
im ever at use a sudo comand . receive its message:

wylnux@expariom:/$ sudo su
[sudo] password for wylnux: 
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory

and im proced  to uninstall "libpam-smbpass" with:

wylnux@expariom:/$ sudo apt-get remove libpam-smbpass

and work perfectly... thanks so much
Comfirm this solution work...

** Changed in: samba (Ubuntu)
 Assignee: (unassigned) => wilpgam (wilpgam)

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Title:
  memory leakage messages

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[Bug 1257186] Re: memory leakage messages

[Kevin Givens]

I'm getting this same message when trying to run "sudo update-
pepperflashplugin-nonfree --install". I'm having problems getting flash
plugin to work with Chrome and trying the method @
https://wiki.ubuntu.com/Chromium/Getting-Flash#help all I end up with is
another problem.

Mine is an Upgrade of Trusty btw. The common theme in all of these
getting a "no talloc stackframe at ../source3/param/loadparm.c:4864,
leaking memory" message it seems to me is "sudo"

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Title:
  memory leakage messages

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[Bug 1257186] Re: memory leakage messages

[wxdubuntu]

Confirming this issue on 14.04 LTS release (x64).

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Title:
  memory leakage messages

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