** Description changed: + [ Impact ] + + * gnome-shell may crash and log-out the user when closing a Wayland + window that uses subsurfaces. + + * The crash is specific to certain applications and requires a specific + event sequence to trigger, which makes it hard to reproduce. + + [ Test Plan ] + + 1. sudo apt install libsdl2-dev + 2. wget https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2093237/+attachment/5853638/+files/sdl2-reproducer.c + 3. gcc sdl2-reproducer.c $(pkg-config --cflags --libs sdl2) -o sdl2-reproducer + 4. SDL_VIDEODRIVER=wayland ./sdl2-reproducer + 5. Verify that a black window with a titlebar has opened + 6. Close the window by clicking on the X button + 7. Verify that the desktop did not crash and did not log you out. + + [ Where problems could occur ] + + * gnome-shell provides the GNOME desktop, and thus is a critical + component. + + * A bug in the patch could manifest with applications not receiving + mouse inputs correctly, or with the desktop crashing and logging the + user out. + + [ Other Info ] + The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 46.3.1-2, the problem page at https://errors.ubuntu.com/problem/3a784898b44dea37ee80596a3e9bc6caaef92b4c contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2093237 Title: gnome-shell crashed with SIGSEGV in meta_window_foreach_transient() from meta_window_has_modals() from repick_for_event() from meta_wayland_pointer_update() from meta_wayland_seat_update() To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/2093237/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
