Public bug reported:
When connecting via gnome remote desktop in ubuntu hirsute with Wayland:
#0 0x00007f39d7c08497 in rfbMakeRichCursorFromXCursor (rfbScreen=<optimized
out>,
cursor=cursor@entry=0x7f39d7c32020 <myCursor>) at
./libvncserver/cursor.c:497
#1 0x00007f39d7c089b7 in rfbSendCursorShape (cl=cl@entry=0x55e0530c5ae0) at
./libvncserver/cursor.c:54
#2 0x00007f39d7bfa33d in rfbSendFramebufferUpdate (cl=cl@entry=0x55e0530c5ae0,
givenUpdateRegion=<optimized out>)
at ./libvncserver/rfbserver.c:3190
#3 0x00007f39d7bf48a5 in rfbUpdateClient (cl=cl@entry=0x55e0530c5ae0) at
./libvncserver/main.c:1252
#4 0x00007f39d7bf4920 in rfbProcessEvents (screen=<optimized out>,
usec=<optimized out>, usec@entry=0)
at ./libvncserver/main.c:1216
#5 0x000055e052add793 in grd_session_vnc_take_buffer (session_vnc=<optimized
out>, data=<optimized out>)
at ../src/grd-session-vnc.c:169
#6 0x000055e052ae2bde in do_render (loop=<optimized out>, async=<optimized
out>, seq=<optimized out>, data=<optimized out>,
size=<optimized out>, user_data=<optimized out>) at
../src/grd-vnc-pipewire-stream.c:248
#7 0x00007f39d193e806 in ?? () from
/usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#8 0x00007f39d193e712 in ?? () from
/usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#9 0x00007f39d193f063 in ?? () from
/usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#10 0x000055e052ade72a in pipewire_loop_source_dispatch (source=<optimized
out>, callback=<optimized out>,
user_data=<optimized out>) at ../src/grd-vnc-pipewire-stream.c:97
#11 0x00007f39d7f8e6eb in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f39d7f8e998 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f39d7f8ea63 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f39d7e3a46d in g_application_run () from
/lib/x86_64-linux-gnu/libgio-2.0.so.0
#15 0x000055e052aca90b in main (argc=<optimized out>, argv=<optimized out>) at
../src/grd-daemon.c:351
This is the same of https://gitlab.gnome.org/GNOME/gnome-remote-
desktop/-/issues/45 and seems to be fixed by
https://github.com/LibVNC/libvncserver/pull/444
** Affects: libvncserver (Ubuntu)
Importance: Critical
Status: Triaged
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https://bugs.launchpad.net/bugs/1915410
Title:
gnome-remote-desktop crashes in grd_session_vnc_take_buffer ->
rfbProcessEvents -> rfbMakeRichCursorFromXCursor
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