Public bug reported:

[Impact]
Backport git patch that fixes memory corruption in libgweather that is causing 
gnome-shell to crash. This is particularly bad on wayland as it causes the user 
to lose their sessions

I believe this should also fix bug 1688208 and potentially a couple of
other high ranking crashes on errors.ubuntu.com. I have not however
found reliable reproducers for those other bugs.

[Test Case]
After update of libgweather
1. Ensure org.gnome.Weather.Application locations is not set (as per default 
setting)
2. Disable Location Services
3. gnome-shell should not crash

[Regression Potential]
Low, the patch merely fixes a refcounting bug. Given the high impact of this 
bug, this is an important fix.

==== Original bug report ====
The Ubuntu Error Tracker has been receiving reports about a problem regarding 
gnome-shell.  This problem was most recently seen with package version 
3.24.2-0ubuntu4, the problem page at 
https://errors.ubuntu.com/problem/06422e05faafe183b4cb70daa7306dcb4c08c97e 
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 you can request it at 
http://forms.canonical.com/reports/.

** Affects: gnome-shell (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: libgweather (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: gnome-shell (Ubuntu Zesty)
     Importance: Undecided
         Status: New

** Affects: libgweather (Ubuntu Zesty)
     Importance: Undecided
         Status: New


** Tags: artful raring saucy trusty utopic vivid wily xenial yakkety zesty

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https://bugs.launchpad.net/bugs/1695567

Title:
  /usr/bin/gnome-shell:*** Error in `/usr/bin/gnome-shell': double free
  or corruption (out): ADDR ***

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