[Pkg-shadow-devel] Bug#655112: [passwd] periodically log out after adding user to sudo group with usermod

[Shalom Ben-Zvi]

Package: passwd
Version: 1:4.1.4.2+svn3283-3
Severity: important

--- Please enter the report below this line. ---

Hello
I installed wheezy today for the second time, first time I installed one 
of the first things I did is add myself to the sudo group as I saw in 
sudoers the line:
%sudo   ALL=(ALL:ALL) ALL

what I did:
~# groups shalom
shalom : shalom cdrom floppy sudo audio dip video plugdev scanner netdev

then tried to add myself to sudo group:
~# usermod -G sudo shalom

and then checked with groups and saw that all other groups disappeared:
~# groups shalom
shalom : shalom sudo

so I went and added myself to the other groups again:
usermod -G sudo,cdrom,floppy,audio,dip,video,plugdev,scanner,netdev shalom

(now I know I sould have done usemod -G -a)

since then I was periodically logged out of the gnome session without 
notice.

first time I installed wheezy I couldn't guess it was related, I did 
that change very soon after installation.
because I didn't know what was happening and couldn't find any clue I 
decided to reinstall debian. this time I didn't do this change for a 
whole day and didn't have any problems, after a day work I decided I 
want the sudo again so went and added myself again to the sudo group 
going though the same procedure as before. and again I started 
experiencing periodic log out without notice.

  this is few line from the file /var/log/messages:
Jan  8 18:42:29 shalom-laptop kernel: [ 2456.532782] iwlagn 
0000:03:00.0: L1 Disabled; Enabling L0S
Jan  8 18:42:29 shalom-laptop kernel: [ 2456.593580] 
ADDRCONF(NETDEV_UP): wlan0: link is not ready
Jan  8 18:42:31 shalom-laptop kernel: [ 2458.797088] 
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Jan  8 18:43:16 shalom-laptop kernel: [ 2504.313947] cfg80211: Calling 
CRDA to update world regulatory domain
Jan  8 18:43:30 shalom-laptop kernel: [ 2517.526160] cfg80211: Calling 
CRDA to update world regulatory domain
Jan  8 18:44:15 shalom-laptop kernel: [ 2563.159895] cfg80211: Calling 
CRDA to update world regulatory domain
Jan  8 18:45:48 shalom-laptop pulseaudio[4677]: [pulseaudio] pid.c: 
Stale PID file, overwriting.



--- System information. ---
Architecture: amd64
Kernel: Linux 3.1.0-1-amd64

Debian Release: wheezy/sid
500 testing www.debian-multimedia.org
500 testing security.debian.org
500 testing ftp.debian.org

--- Package information. ---
Depends (Version) | Installed
================================-+-==============
libc6 (>= 2.3) | 2.13-24
libpam0g (>= 0.99.7.1) | 1.1.3-6
libselinux1 (>= 1.32) | 2.1.0-4
libpam-modules | 1.1.3-6
debianutils (>= 2.15.2) | 4.1


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