Version-Release number of selected component:
gnome-software-3.13.90-1.fc21

Additional info:
reporter:       libreport-2.2.3
backtrace_rating: 4
cmdline:        /usr/bin/gnome-software --gapplication-service
crash_function: gtk_style_context_get_style_valist
executable:     /usr/bin/gnome-software
kernel:         3.16.1-300.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 gtk_style_context_get_style_valist at gtkstylecontext.c:2306
 #1 gtk_style_context_get_style at gtkstylecontext.c:2341
 #2 gtk_button_construct_child at gtkbutton.c:1187
 #3 gtk_button_set_label at gtkbutton.c:2197
 #4 gs_app_row_refresh at gs-app-row.c:216
 #10 g_object_notify_queue_thaw at gobject.c:290
 #11 g_object_thaw_notify at gobject.c:1293
 #12 gs_plugin_loader_run_refine at gs-plugin-loader.c:312
 #13 gs_plugin_loader_get_category_apps_thread_cb at gs-plugin-loader.c:1861
 #14 g_task_thread_pool_thread at gtask.c:1215