Ubuntu
gdm package

gdm crashes if a user account is deleted or added (nslcd,ldap)

Bug #1067414 reported by H.-Dirk Schmitt
16
This bug affects 3 people
Affects Status Importance Assigned to Milestone
accountsservice (Ubuntu)
Fix Released
Undecided
Unassigned
gdm (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Scenario:

* LDAP User Account (NFS Home Directory)
* nslcd and gdm are used
* user account information is manipulated, e.g. apt-get remove --purge tomcat7*

Result:
gdm session crashed

Syslog:
Oct 16 17:48:29 dilbert kernel: [24735.236935] gdm-session-wor[4316] general protection ip:7f28a91545a1 sp:7fff6dc110d0 error:0 in l

This can be reproduced on 2 different machines and user accounts

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gdm 3.0.4-0ubuntu15
ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
Uname: Linux 3.2.0-32-generic x86_64
ApportVersion: 2.0.1-0ubuntu14
Architecture: amd64
Date: Tue Oct 16 18:00:05 2012
SourcePackage: gdm
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.gdm.Xsession: 2012-06-25T12:57:29.554078

Revision history for this message
H.-Dirk Schmitt (dirk-computer42) wrote :
Revision history for this message
H.-Dirk Schmitt (dirk-computer42) wrote :

Problem still existing
---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad

Revision history for this message
H.-Dirk Schmitt (dirk-computer42) wrote :

Problem also triggered by installing libvirt-bin and virt-manager which triggers the add of:

libvirt-qemu:x:124:128:Libvirt Qemu,,,:/var/lib/libvirt:/bin/false
libvirt-dnsmasq:x:125:138:Libvirt Dnsmasq,,,:/var/lib/libvirt/dnsmasq:/bin/false

---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad

summary: - gdm crashed if a user account is deleted (nslcd,ldap)
+ gdm crashes if a user account is deleted or added (nslcd,ldap)
Revision history for this message
H.-Dirk Schmitt (dirk-computer42) wrote :

Error message in syslog: gdm-session-wor[4145]: segfault at 50 ip 00007f0a30df22ff sp 00007ffff499e230 error 4 in libc-2.15.so[7f0a30d72000+1b5000]

Revision history for this message
H.-Dirk Schmitt (dirk-computer42) wrote :

Maybe related: https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1004515

Revision history for this message
Chris Halse Rogers (raof) wrote : Please test proposed package

Hello H.-Dirk, or anyone else affected,

Accepted accountsservice into precise-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/accountsservice/0.6.15-2ubuntu9.7 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!

tags: added: verification-needed
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in accountsservice (Ubuntu):
status: New → Confirmed
Changed in gdm (Ubuntu):
status: New → Confirmed
Dimitri John Ledkov (xnox)
tags: added: verification-done
removed: verification-needed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package accountsservice - 0.6.15-2ubuntu9.7

---------------
accountsservice (0.6.15-2ubuntu9.7) precise-proposed; urgency=low

  * debian/patches/0014-fix-double-free.patch
    Removes a second call to g_free (user->language) that caused
    a segfault. (LP: #1067414) (LP: #1004515)
 -- Margarita Manterola <email address hidden> Mon, 08 Jul 2013 12:43:31 +0200

Changed in accountsservice (Ubuntu):
status: Confirmed → Fix Released
Revision history for this message
Brian Murray (brian-murray) wrote : Update Released

The verification of the Stable Release Update for accountsservice has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

Revision history for this message
TheoB (theo-y) wrote :

Problem disappeared after re-install.

Cheers
Theo

Revision history for this message
karin (namlos6206) wrote :

need help in any case thanks

To post a comment you must log in.
This report contains Public information  
Everyone can see this information.
Subscribing...

Other bug subscribers

Remote bug watches

Bug watches keep track of this bug in other bug trackers.