Segfault in libXcompshad

[uli42]

core.tar.gz
Reported by Eric Petit (surfzoid@gmail.com) via x2go ML:

Hi,
I use x2goclient Mageia8 x86_64 and x2go server + desktopsharing on
Raspeberry PI 400 Debian ARM64.

x2goclient --version
x2go-INFO-1> "Starting X2Go Client 4.1.2.2..

sudo apt list x2go* |grep install=C3=A9
x2godesktopsharing/oldstable,now 3.2.0.0-2+b1 arm64 [install=C3=A9,]
x2goserver-common/oldstable,oldstable,now 4.1.0.3-5 all [install=C3=A9, ]
x2goserver-desktopsharing/oldstable,oldstable,now 4.1.0.3-5 all [install=
=C3=A9]
x2goserver-extensions/oldstable,oldstable,now 4.1.0.3-5 all [install=C3=A9=
]
x2goserver-fmbindings/oldstable,oldstable,now 4.1.0.3-5 all [install=C3=A9=
, ]
x2goserver-printing/oldstable,oldstable,now 4.1.0.3-5 all [install=C3=A9, =
]
x2goserver-x2goagent/oldstable,now 4.1.0.3-5 arm64 [install=C3=A9, ]
x2goserver-xsession/oldstable,oldstable,now 4.1.0.3-5 all [install=C3=A9, =
]
x2goserver/oldstable,now 4.1.0.3-5 arm64 [install=C3=A9]

gdb x2goagent ./core
Core was generated by `x2goagent -nolisten tcp -nolisten tcp -S -auth
/home/pi/.Xauthority -shadow :0'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000007fbbb2a4e8 in Poller::updateDamagedAreas() ()
from /lib/aarch64-linux-gnu/libXcompshad.so.3
(gdb) bt
#0 0x0000007fbbb2a4e8 in Poller::updateDamagedAreas() ()
from /lib/aarch64-linux-gnu/libXcompshad.so.3
#1 0x0000007fbbb2a7cc in Poller::getEvents() () from
/lib/aarch64-linux-gnu/libXcompshad.so.3
#2 0x0000007fbbb28130 in NXShadowHasChanged () from
/lib/aarch64-linux-gnu/libXcompshad.so.3
#3 0x00000055945e09d4 in ?? ()
#4 0x00000055945d9658 in ?? ()
#5 0x00000055945a3554 in ?? ()
#6 0x00000055945af830 in ?? ()
#7 0x0000005594584ca0 in ?? ()
#8 0x0000005594567dfc in ?? ()
#9 0x0000007fbb552e18 in __libc_start_main (main=3D0x55945679f0, argc=3D17=
,
argv=3D0x7ffea69348,
init=3D, fini=3D, rtld_fini=3D<optimized =
out>,
stack_end=3D) at ../csu/libc-start.c:308
#10 0x000000559456810c in ?? ()
Backtrace stopped: not enough registers or memory available to unwind
further