/usr/bin/xsane:5:g_malloc0:gtk_preview_make_buffer:IA__gtk_preview_draw_row:xsane_viewer_read_image:g_closure_invoke

The Ubuntu Error Tracker has been receiving reports about a problem regarding xsane. This problem was most recently seen with package version 0.999-3ubuntu1, the problem page at https://errors.ubuntu.com/problem/bbbc3b1d766222f7292948df748c85765e18b8f8 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/.