Crash on path fills with a url without closing parenthesis
Summary:
Inkscape crashes when trying to open an svg file that contains a <path> with its fill set to url(anything-here without closing parenthesis.
Steps to reproduce:
> cat bug.svg
<svg xmlns="http://www.w3.org/2000/svg">
<path fill="url(" />
</svg>
> inkscape bug.svg
SPIPaint::read: url is empty or invalid
Emergency save activated!
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at https://inkscape.org/report
with a detailed description of the steps leading to the crash, so we can fix it.
Segmentation fault (core dumped)The same happens when opening this file with a GUI, through File - Open.
What happened?
Inkscape crashes with a core dump.
What should have happened?
Inkscape should have shown an error message and not crash.
Sample attachments:
core.inkscape.1000.fee2e6aaa167499c823cc379a33591d9.8135.1662794653000000.zst
Version info
Inkscape 1.2.1 (9c6d41e410, 2022-07-14, custom)
GLib version: 2.72.3
GTK version: 3.24.34
glibmm version: 2.66.4
gtkmm version: 3.24.6
libxml2 version: 2.10.2
libxslt version: 1.1.37
Cairo version: 1.17.6
Pango version: 1.50.9
HarfBuzz version: 5.1.0
OS version: Arch Linux
(the version from Arch package repos as of 2022-09-10)