Bug#864415: [inkscape] crash while rotating with snap to path

[Carsten Knoll]

Package: inkscape
Version: 0.92.1-1
Severity: serious

--- Please enter the report below this line. ---

Reproducible crash when rotating a line whish should snap to another
line (path). See video:

https://vimeo.com//220771887

About Dialog says w.r.t. version: Inkscape 0.92.1 r15371


If it helps i can provide the file where this occurs

Terminal output after crash:


** (inkscape:5008): WARNING **: Invalid borders specified for theme pixmap:
        /usr/share/themes/Breeze/gtk-2.0/../assets/line-h.png,
borders don't fit within the image

(inkscape:5008): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(inkscape:5008): GLib-GObject-CRITICAL **: g_signal_emit_valist:
assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
inkscape:
/build/inkscape-MxzU8f/inkscape-0.92.1/src/2geom/elliptical-arc.cpp:573:
void
Geom::EllipticalArc::_filterIntersections(std::vector<Geom::Intersection<>
>&, bool) const: Assertion `are_near(_ellipse.pointAt(t), i->point(),
1e-5)' failed.

Emergency save activated!
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can
fix it.
inkscape: Fatal IO error 11 (Resource temporarily unavailable) on X
server :0.0.




--- System information. ---
Architecture: Kernel:       Linux 4.9.0-3-amd64

Debian Release: 9.0
  500 testing         security.debian.org   500 testing
debian.inf.tu-dresden.de
--- Package information. ---
Depends                              (Version) | Installed
==============================================-+-=====================
python:any                       (>= 2.7.5-5~) | libaspell15
  (>= 0.60.7~20110707) | 0.60.7~20110707-3+b2
libatk1.0-0                        (>= 1.12.4) | 2.22.0-1
libatkmm-1.6-1v5                   (>= 2.24.0) | 2.24.2-2
libc6                                (>= 2.14) | 2.24-10
libcairo2                          (>= 1.12.0) | 1.14.8-1
libcairomm-1.0-1v5                 (>= 1.12.0) | 1.12.0-1+b1
libcdr-0.1-1                                   | 0.1.3-3+b1
libdbus-1-3                        (>= 1.9.14) | 1.10.18-1
libdbus-glib-1-2                     (>= 0.88) | 0.108-2
libfontconfig1                       (>= 2.11) | 2.11.0-6.7+b1
libfreetype6                        (>= 2.2.1) | 2.6.3-3.2
libgc1c2                           (>= 1:7.2d) | 1:7.4.2-8
libgcc1                             (>= 1:4.0) | 1:6.3.0-18
libgdk-pixbuf2.0-0                 (>= 2.22.0) | 2.36.5-2
libglib2.0-0                       (>= 2.41.1) | 2.50.3-2
libglibmm-2.4-1v5                  (>= 2.50.0) | 2.50.0-1
libgomp1                              (>= 4.9) | 6.3.0-18
libgsl2                                        | 2.3+dfsg-1
libgtk2.0-0                        (>= 2.24.0) | 2.24.31-2
libgtkmm-2.4-1v5                 (>= 1:2.24.0) | 1:2.24.5-1
libgtkspell0                       (>= 2.0.10) | 2.0.16-1.1
libjpeg62-turbo                     (>= 1.3.1) | 1:1.5.1-2
liblcms2-2                (>= 2.2+git20110628) | 2.8-4
libmagick++-6.q16-7             (>= 8:6.9.6.8) | 8:6.9.7.4+dfsg-9
libmagickcore-6.q16-3           (>= 8:6.9.6.8) | 8:6.9.7.4+dfsg-9
libmagickwand-6.q16-3           (>= 8:6.9.6.8) | 8:6.9.7.4+dfsg-9
libpango-1.0-0                     (>= 1.37.2) | 1.40.5-1
libpangocairo-1.0-0                (>= 1.14.0) | 1.40.5-1
libpangoft2-1.0-0                  (>= 1.14.0) | 1.40.5-1
libpangomm-1.4-1v5                 (>= 2.40.0) | 2.40.1-3
libpng16-16                       (>= 1.6.2-1) | 1.6.28-1
libpoppler-glib8                   (>= 0.18.0) | 0.48.0-2
libpoppler64                       (>= 0.48.0) | 0.48.0-2
libpopt0                             (>= 1.14) | 1.16-10+b2
libpotrace0                                    | 1.13-3
librevenge-0.0-0                               | 0.0.4-6
libsigc++-2.0-0v5                   (>= 2.8.0) | 2.10.0-1
libstdc++6                            (>= 5.2) | 6.3.0-18
libvisio-0.1-1                                 | 0.1.5-4+b1
libwpg-0.3-3                                   | 0.3.1-3
libx11-6                                       | 2:1.6.4-3
libxml2                             (>= 2.7.4) | 2.9.4+dfsg1-2.2
libxslt1.1                         (>= 1.1.25) | 1.1.29-2.1
zlib1g                            (>= 1:1.1.4) | 1:1.2.8.dfsg-5


Recommends                (Version) | Installed
===================================-+-===========
aspell                              | 0.60.7~20110707-3+b2
imagemagick                         | 8:6.9.7.4+dfsg-9
libimage-magick-perl                | 8:6.9.7.4+dfsg-9
libwmf-bin                          | 0.2.8.4-10.6
python-lxml                         | 3.7.1-1
python-numpy                        | 1:1.12.1-2
python-scour                        | 0.32-2
transfig                            | 1:3.2.6a-2


Suggests                 (Version) | Installed
==================================-+-===========
dia                                |  OR dia-gnome
| libsvg-perl                        | libxml-xql-perl
 | pstoedit                           | 3.70-3+b2
python-uniconvertor                | ruby
| 1:2.3.3