Bug#880722: Segfault while using xrdp-sesman on Stretch

[Gilles MOREL]

Package: xrdp
Version: 0.9.1-9

I installed xrdp on one of my servers on Debian Stretch. Some users connect to these desktops.
When I have at least two connected users, when one of them close the session, this happens in the kernel log :
xrdp-sesman[1006]: segfault at 0 ip 00007f1c4e6aa646 sp 00007ffc0ce9f918 error 4 in libc-2.24.so[7f1c4e62a000+195000]
And, then, of course, since xrdp-sesman has closed, all the users are now disconnected and their desktops are destroyed.

I attached the configuration, with / in names replaced by #.
Regards,
--
Gilles Émilien MOREL <contact at gilles-morel.fr>
« I'm a banana, look at me move!! » -- Onision
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[globals]
ini_version=1
bitmap_cache=yes
bitmap_compression=yes
port=3389
allow_channels=true
max_bpp=32
fork=yes
crypt_level=high
security_layer=rdp
certificate=
key_file=
tcp_nodelay=yes
tcp_keepalive=yes
blue=0000af
grey=dedede
autorun=xrdp1
bulk_compression=yes
new_cursors=yes
allow_multimon=true
use_fastpath=both
ls_title=Bureau ATI sur SRV035
ls_top_window_bg_color=666666
ls_width=350
ls_height=350
ls_bg_color=dedede
ls_logo_filename=
ls_logo_x_pos=55
ls_logo_y_pos=50
ls_label_x_pos=30
ls_label_width=60
ls_input_x_pos=110
ls_input_width=210
ls_input_y_pos=220
ls_btn_ok_x_pos=5
ls_btn_ok_y_pos=300
ls_btn_ok_width=165
ls_btn_ok_height=45
ls_btn_cancel_x_pos=180
ls_btn_cancel_y_pos=300
ls_btn_cancel_width=165
ls_btn_cancel_height=45

[Logging]
LogFile=xrdp.log
LogLevel=DEBUG
EnableSyslog=1
SyslogLevel=DEBUG

[channels]
rdpdr=true
rdpsnd=false
drdynvc=true
cliprdr=false
rail=true
xrdpvr=true
tcutils=true

[xrdp1]
name=ATI33
lib=libxup.so
username=ask
password=ask
ip=127.0.0.1
port=-1
xserverbpp=24
code=20
delay_ms=2000
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[Globals]
ListenAddress=127.0.0.1
ListenPort=3350
EnableUserWindowManager=1
UserWindowManager=startwm.sh
DefaultWindowManager=startwm.sh

[Security]
AllowRootLogin=0
MaxLoginRetry=4
TerminalServerUsers=tsusers
TerminalServerAdmins=tsadmins
AlwaysGroupCheck = false

[Sessions]
X11DisplayOffset=10
MaxSessions=50
KillDisconnected=1
IdleTimeLimit=0
DisconnectedTimeLimit=0
Policy=Default

[Logging]
LogFile=xrdp-sesman.log
LogLevel=DEBUG
EnableSyslog=1
SyslogLevel=DEBUG

[X11rdp]
param0=X11rdp
param1=-bs
param2=-ac
param3=-nolisten
param4=tcp
param5=-uds

[Xvnc]
param0=Xvnc
param1=-bs
param2=-ac
param3=-nolisten
param4=tcp
param5=-localhost
param6=-dpi
param7=96

[Xorg]
param0=Xorg
param1=-config
param2=xrdp/xorg.conf
param3=-noreset
param4=-ac
param5=-nolisten
param6=tcp
param7=-retro

[Chansrv]
FuseMountName=.thinclient_drives

[SessionVariables]
PULSE_SCRIPT=/etc/xrdp/pulse/default.pa
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