Version-Release number of selected component:
claws-mail-3.11.1-6.fc21

Additional info:
reporter:       libreport-2.3.0
backtrace_rating: 4
cmdline:        claws-mail
crash_function: gtk_file_system_model_sort
executable:     /usr/bin/claws-mail
kernel:         3.19.7-200.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000
var_log_messages: [System Logs]:\n-- Logs begin at Fr 2015-04-10 13:39:32 CEST, end at Di 2015-05-26 18:58:35 CEST. --

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 gtk_file_system_model_sort at gtkfilesystemmodel.c:746
 #6 gtk_file_system_model_sort_node at gtkfilesystemmodel.c:764
 #7 add_file at gtkfilesystemmodel.c:1718
 #8 _gtk_file_system_model_update_file at gtkfilesystemmodel.c:1786
 #9 gtk_file_system_model_query_done at gtkfilesystemmodel.c:1154
 #10 g_task_return_now at gtask.c:1077
 #11 complete_in_idle_cb at gtask.c:1086
 #16 gtk_dialog_run at gtkdialog.c:1094
 #17 filesel_create at filesel.c:156
 #18 filesel_select_multiple_files_open at filesel.c:197