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Sebastian Keller 606ec25f8b st/texture-cache: Don't overwrite existing bind images on texture reset 
If the icon surface of a window got updated and its type or format no
longer match what we expect, st_texture_cache_reset_texture() might
overwrite the existing image in the bind with a new image, while still
keeping the weak ref on the old image. Due to this the old image might
trigger a st_texture_cache_on_pixbuf_notify() after the bind has already
been freed by g_signal_handlers_destroy() in the bind source. While this
usually would remove the weak ref, the weak ref it tries to remove is
on the new image, not the old one. The call to
st_texture_cache_on_pixbuf_notify() then tries to read the already
free'd memory from the bind which causes the cast to G_OBJECT to fail,
resulting in the crash.

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3785

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1718>
2021-03-08 09:21:24 +00:00
.gitlab/issue_templates Add a link to supported releases in the README and bug template 2021-03-03 14:47:20 +00:00
.gitlab-ci ci: Add commit rule to not end subject with punctuation 2021-02-26 14:59:07 +01:00
.settings Clean out some eclipse artefacts 2019-02-13 04:39:26 +01:00
data theme/screen-shield: Use the same background color as in the overview 2021-03-04 11:33:03 +00:00
docs/reference docs: Unify on single DocBook version 2020-10-13 03:02:13 +02:00
js workspaceThumbnail: Update visibility when showing the overview 2021-03-04 12:39:37 +00:00
lint lint: Sync configuration with gjs 2020-11-16 18:04:23 +00:00
man man: Update options 2020-12-28 02:25:17 +01:00
meson theme: Pre-generate stylesheets as well 2020-12-29 00:40:47 +01:00
po Updated Spanish translation 2021-03-08 09:40:38 +01:00
src st/texture-cache: Don't overwrite existing bind images on texture reset 2021-03-08 09:21:24 +00:00
subprojects extension-tool/create: Update for new versioning scheme 2021-02-26 23:06:43 +01:00
tests util: Add a GNOME version comparison function 2021-02-05 13:41:26 +00:00
tools *: Fix spelling mistakes found by codespell 2020-08-21 18:25:09 +00:00
.eslintrc.yml lint: Convert eslint JSON to YAML 2019-11-11 23:51:17 +00:00
.gitignore Add small gnome-shell-extension-prefs script 2020-04-28 00:06:19 +02:00
.gitlab-ci.yml ci: Update ci-fairy image 2021-03-03 20:29:22 +01:00
.gitmodules submodules: Replace non-functional git.gnome.org URL by GNOME Gitlab URL 2018-09-25 08:41:30 +02:00
config.h.meson Add check_cloexec_fds debug command 2018-07-30 23:11:41 +00:00
COPYING Changed obsolete FSF postal address. 2014-01-08 04:35:14 +07:00
gnome-shell.doap gnome-shell.doap: Make marge-bot a maintainer 2020-11-17 17:29:56 +00:00
HACKING.md *: Fix spelling mistakes found by codespell 2020-08-21 18:25:09 +00:00
meson_options.txt extensions-app: Move Extensions app to new subproject 2020-03-27 23:33:30 +00:00
meson.build Post-release version bump 2021-02-23 00:22:58 +01:00
NEWS Tag 40.beta 2021-02-23 00:09:33 +01:00
README.md Add a link to supported releases in the README and bug template 2021-03-03 14:47:20 +00:00

README.md

GNOME Shell

GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.

For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.

Bugs should be reported to the GNOME bug tracking system. Please refer to the Schedule wiki page to see the supported versions.

Contributing

To contribute, open merge requests at https://gitlab.gnome.org/GNOME/gnome-shell.

Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit.

License

GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.