** Changed in: gnome-shell
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/2069559
Title:
gnome-shell crashed with SIGSEGV in st_theme_node_lookup_shadow() from
st_theme_node_get_box_shadow() from st_theme_node_get_paint_box() from
st_theme_node_transition_get_paint_box() from
st_widget_get_paint_volume()
Status in Dash to dock:
Fix Released
Status in GNOME Shell:
Fix Released
Status in gnome-shell package in Ubuntu:
Fix Released
Status in gnome-shell source package in Noble:
Fix Released
Status in gnome-shell source package in Oracular:
Fix Released
Bug description:
[ Impact ]
gnome-shell crashes with SIGSEGV in st_theme_node_lookup_shadow() when
the screen is locked from the overview, if you had any extension
loaded that changes stylesheets (like ubuntu-dock or dash-to-dock). In
theory it could happen whenever such an extension is deactivated.
https://errors.ubuntu.com/problem/65513baf83b5ba140d09c2aa71b988097108cde0
https://errors.ubuntu.com/problem/9e0eb2f488ad83e41a8977709955a661857ba95e
[ Test Plan ]
1. Log into gnome-shell.
2. Ensure Ubuntu Dock is active.
3. Open the overview by tapping the Super key.
4. Lock the screen while the overview is open.
Expect: No crash, no automatic return to the login screen. The screen
should lock and then be unlockable.
Note: It doesn't crash reliably every time due to the nature of memory
corruption so additional verification under Valgrind may be advisable.
[ Where problems could occur ]
Since the fix affects theming and stylesheets, bugs could occur in
shell theming.
[ Original description ]
The Ubuntu Error Tracker has been receiving reports about a problem regarding
gnome-shell. This problem was most recently seen with package version
46.0-0ubuntu5.1, the problem page at
https://errors.ubuntu.com/problem/65513baf83b5ba140d09c2aa71b988097108cde0
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/.
To manage notifications about this bug go to:
https://bugs.launchpad.net/dash-to-dock/+bug/2069559/+subscriptions
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