Segmentation fault on window screenshot when using scaling

Bug #1759954 reported by Christoph Michelbach
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-screenshot (Ubuntu)
New
Undecided
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Bug Description

When using scaling in Ubuntu, gnome-screenshot segfaults when an area screenshot is taken.

To replicate the problem, launch "Displays" from the dash, slide the slider at "Scale for menu and title bars" to any value strictly greater than 1. Then issue the command "gnome-screenshot -w".

It will either print "Segmentation fault" and terminate or print something like https://pastebin.com/t5AMDE6w and terminate. It won't take a screenshot.

There is a bug titled "Segfault when using -w / --window to screenshot current window." which sounds like the same problem but I cannot access that bug report, so I'm not sure it actually is properly in the system. The search function tells me its there but the link to it it provides doesn't work.

I use Ubuntu 16.04 with the latest updates installed and gnome-screenshot 3.18.0.

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