Comment 1 for bug 1794953

In a cosmic live session there are permission denied errors mounting the content interfaces for gtk-common-themes. Here's the output:

ubuntu@ubuntu:~$ snap run gnome-calculator
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Adwaita /snap/gnome-calculator/238/data-dir/icons/Adwaita none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/DMZ-Black /snap/gnome-calculator/238/data-dir/icons/DMZ-Black none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/DMZ-White /snap/gnome-calculator/238/data-dir/icons/DMZ-White none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/HighContrast /snap/gnome-calculator/238/data-dir/icons/HighContrast none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Humanity-Dark /snap/gnome-calculator/238/data-dir/icons/Humanity-Dark none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Humanity /snap/gnome-calculator/238/data-dir/icons/Humanity none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Solus /snap/gnome-calculator/238/data-dir/icons/Solus none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Suru /snap/gnome-calculator/238/data-dir/icons/Suru none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/Yaru /snap/gnome-calculator/238/data-dir/icons/Yaru none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/communitheme /snap/gnome-calculator/238/data-dir/icons/communitheme none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/elementary /snap/gnome-calculator/238/data-dir/icons/elementary none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/hicolor /snap/gnome-calculator/238/data-dir/icons/hicolor none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/ubuntu-mono-dark /snap/gnome-calculator/238/data-dir/icons/ubuntu-mono-dark none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/icons/ubuntu-mono-light /snap/gnome-calculator/238/data-dir/icons/ubuntu-mono-light none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/sounds/Yaru /snap/gnome-calculator/238/data-dir/sounds/Yaru none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/sounds/communitheme /snap/gnome-calculator/238/data-dir/sounds/communitheme none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Adwaita-dark /snap/gnome-calculator/238/data-dir/themes/Adwaita-dark none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Adwaita /snap/gnome-calculator/238/data-dir/themes/Adwaita none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Ambiance /snap/gnome-calculator/238/data-dir/themes/Ambiance none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Arc-Dark /snap/gnome-calculator/238/data-dir/themes/Arc-Dark none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Arc-Darker /snap/gnome-calculator/238/data-dir/themes/Arc-Darker none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Arc /snap/gnome-calculator/238/data-dir/themes/Arc none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Communitheme /snap/gnome-calculator/238/data-dir/themes/Communitheme none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/EvoPop-Azure /snap/gnome-calculator/238/data-dir/themes/EvoPop-Azure none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/EvoPop /snap/gnome-calculator/238/data-dir/themes/EvoPop none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/HighContrast /snap/gnome-calculator/238/data-dir/themes/HighContrast none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Radiance /snap/gnome-calculator/238/data-dir/themes/Radiance none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/Yaru /snap/gnome-calculator/238/data-dir/themes/Yaru none bind,ro 0 0): cannot open directory "/snap": permission denied
main.go:192: cannot change mount namespace of snap "gnome-calculator" according to change mount (/snap/gtk-common-themes/701/share/themes/elementary /snap/gnome-calculator/238/data-dir/themes/elementary none bind,ro 0 0): cannot open directory "/snap": permission denied
shm_open() failed: Permission denied