Version-Release number of selected component:
systemd-219-15.fc22

Additional info:
reporter:       libreport-2.5.1
backtrace_rating: 4
cmdline:        /usr/lib/systemd/systemd-journald
crash_function: mmap_cache_get
executable:     /usr/lib/systemd/systemd-journald
global_pid:     6304
kernel:         4.0.4-301.fc22.x86_64
runlevel:       N 5
type:           CCpp
uid:            0
var_log_messages: [System Logs]:\n-- Logs begin at gio 2015-05-28 04:17:23 CEST, end at gio 2015-05-28 04:56:30 CEST. --

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 mmap_cache_get at ../src/journal/mmap-cache.c:568
 #1 journal_file_move_to.lto_priv.193 at ../src/journal/journal-file.c:459
 #2 journal_file_move_to_object at ../src/journal/journal-file.c:493
 #3 journal_file_link_entry_item at ../src/journal/journal-file.c:1257
 #4 journal_file_link_entry at ../src/journal/journal-file.c:1302
 #5 journal_file_append_entry_internal.constprop.111 at ../src/journal/journal-file.c:1345
 #6 journal_file_append_entry.constprop.104 at ../src/journal/journal-file.c:1427
 #7 write_to_journal at ../src/journal/journald-server.c:512
 #8 dispatch_message_real.lto_priv.228 at ../src/journal/journald-server.c:819
 #9 server_dispatch_message at ../src/journal/journald-server.c:917