** Changed in: accountsservice (Ubuntu)
Assignee: (unassigned) => aminebend (alg-amine)
** Changed in: accountsservice (Ubuntu Precise)
Assignee: (unassigned) => aminebend (alg-amine)
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https://bugs.launchpad.net/bugs/1004515
Title:
segfault in accounts-daemon when logging in / gdm crash if user
account is added or deleted
Status in “accountsservice” package in Ubuntu:
Fix Released
Status in “accountsservice” source package in Precise:
Fix Released
Bug description:
[Impact]
libaccountsservice contains a double free which under certain circumstances
will cause accounts-daemon to segfault, and under other circumstances will
cause gdm to segfault when a user account is added or removed.
[Test case]
In a precise machine with kerberos authentication, adding a new user via
"sudo adduser test" will cause an X session running under GDM to crash with a
segfault.
Once the patch is applied, running the same command line should not
affect a running X session. For the test to have value, the session
needs to have been started after the new accountsservice packages were
installed.
[Possible regressions]
This is just one line removing a double free that has been applied upstream
for 16 months, so the code itself should be fine. To be certain that
everything is alright, not only gdm but also lightdm should be tested.
[Original description]
I noticed this in my logs. It's not obviously broken anything, but segfaults
are bad so I thought it worth reporting.
May 25 14:16:16 e102475-lin gdm-session-worker[2198]:
AccountsService-WARNING: SetLanguage call failed: not access to HOME yet so
language not saved
May 25 14:16:17 e102475-lin kernel: [ 6288.041531] accounts-daemon[2200]:
segfault at 596fa6 ip 00007f283fad1e40 sp 00007fff221eb4e0 error 4 in
libc-2.15.so[7f$
M
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ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
DistroRelease: Ubuntu 12.04
Package: accountsservice 0.6.15-2ubuntu9
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Tags: precise third-party-packages
Uname: Linux 3.2.0-24-generic x86_64
UpgradeStatus: Upgraded to precise on 2011-11-09 (197 days ago)
UserGroups: adm fuse sbuild sudo
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