Package: lightdm
Version: 1.32.0-2
Severity: important

Hi there!

Thanks for your hard work with this package, it is really appreciated.

I just upgraded lightdm from 1.26.0-8 to 1.32.0-2 and now the greeter wont let 
me
login after a session lock (like a laptop suspend or CTRL+ALT+L on xfce4).

This can be found in the logs:

Jun 27 12:08:28 endurance lightdm[91911]: pam_unix(lightdm-greeter:session): 
session opened for user lightdm(uid=108) by (uid=0)
Jun 27 12:08:29 endurance lightdm[92079]: pam_unix(lightdm:auth): auth could 
not identify password for [arturo]
Jun 27 12:08:38 endurance lightdm[935]: Session pid=92114: Invalid string 
length 1869348864 from child
Jun 27 12:08:38 endurance lightdm[92114]: pam_nologin(lightdm:auth): unexpected 
response from failed conversation function
Jun 27 12:08:38 endurance lightdm[92114]: No user selected during authentication
Jun 27 12:08:38 endurance lightdm[92114]: pam_nologin(lightdm:auth): cannot 
determine user name

So I suspect there is a bug somewhere in the stack.

regards.


-- System Information:
Debian Release: trixie/sid
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 6.3.0-1-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, 
TAINT_UNSIGNED_MODULE
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages lightdm depends on:
ii  adduser                                3.134
ii  dbus                                   1.14.8-1
ii  debconf [debconf-2.0]                  1.5.82
ii  libaudit1                              1:3.0.9-1
ii  libc6                                  2.36-9
ii  libgcrypt20                            1.10.2-2
ii  libglib2.0-0                           2.74.6-2
ii  libpam-systemd [logind]                252.11-1
ii  libpam0g                               1.5.2-6
ii  libxcb1                                1.15-1
ii  libxdmcp6                              1:1.1.2-3
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.8-3

Versions of packages lightdm recommends:
ii  xserver-xorg  1:7.7+23

Versions of packages lightdm suggests:
ii  accountsservice  22.08.8-6
ii  upower           0.99.20-2
pn  xserver-xephyr   <none>

-- Configuration Files:
/etc/lightdm/lightdm.conf changed:
[LightDM]
[Seat:*]
greeter-hide-users=false
display-setup-script=sh -c "xrandr -s 1920x1080"
[XDMCPServer]
[VNCServer]


-- debconf information:
* shared/default-x-display-manager: lightdm
  lightdm/daemon_name: /usr/sbin/lightdm

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