Comment 2 for bug 1015328

StacktraceTop:
 g_match_info_unref (match_info=0x4) at /build/buildd/glib2.0-2.33.1/./glib/gregex.c:555
 g_match_info_free (match_info=<optimized out>) at /build/buildd/glib2.0-2.33.1/./glib/gregex.c:579
 mm_gsm_parse_clck_response (reply=<optimized out>, enabled=enabled@entry=0x7ffff3f76e0c) at mm-modem-helpers.c:964
 get_facility_lock_state_done (port=port@entry=0xd12120, response=response@entry=0xd2bb40, error=error@entry=0x0, user_data=user_data@entry=0xd1b5c0) at mm-generic-gsm.c:1732
 handle_response (port=<optimized out>, response=0xd09070, error=0x0, callback=0x41e2c0 <get_facility_lock_state_done>, callback_data=0xd1b5c0) at mm-at-serial-port.c:134