This bug was fixed in the package gnome-software -
3.26.1-0ubuntu2.17.10.1
---------------
gnome-software (3.26.1-0ubuntu2.17.10.1) artful; urgency=medium
[ Robert Ancell ]
* debian/patches/0001-snap-Don-t-crash-on-unknown-snap-types.patch:
- Fix crash when broken snaps installed (LP: #1720442)
* debian/patches/0001-snap-Protect-store-cache-with-a-lock.patch:
- Fix crash due to multiple threads accessing a cache (LP: #1716633)
*
debian/patches/0001-snap-Don-t-attempt-to-refine-snaps-without-a-valid-n.patch:
- Fix potential crash from invalid snaps
* debian/patches/0001-snap-Remove-unused-variables.patch:
- Trivial patch added to make above patches apply cleanly
* debian/patches/0001-Add-a-cancellable-to-GsApp-objects.patch:
*
debian/patches/0001-Allow-to-cancel-app-ops-in-the-details-view-that-wer.patch:
- Fix cancelling with multiple installs (LP: #1722183)
* debian/control:
- Add Vcs-Bzr link
[ Jeremy Bicha ]
* Cherry-pick 0001-Don-t-error-out-for-over-500-results.patch:
- Fix empty Addons > Shell Extensions category (LP: #1722809)
-- Robert Ancell <[email protected]> Wed, 15 Nov 2017
11:58:57 +1300
** Changed in: gnome-software (Ubuntu Artful)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1716633
Title:
Installed, popular and featured snaps are loaded in parallel threads
can crash
Status in gnome-software package in Ubuntu:
Fix Released
Status in gnome-software source package in Xenial:
Triaged
Status in gnome-software source package in Zesty:
Triaged
Status in gnome-software source package in Artful:
Fix Released
Status in gnome-software source package in Bionic:
Fix Released
Bug description:
[Impact]
GNOME Software has a cache that can be accessed by multiple threads. This can
cause GNOME Software to crash. This seems to have been caused by adding support
for featured snaps (bug 1663097) as the popular, featured and installed snaps
are all requested on different threads.
[Test Case]
Since this is a random crash there's not a good test case. Could be checked
by looking at errors.ubuntu.com crash reports or repeated restarts of GNOME
Software to see if it crashes on startup.
[Regression Potential]
Solution is to add a lock around this cache. Some risk of breaking related
code.
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https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1716633/+subscriptions
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