Description of problem:
Just browsing and using the desktop normally.

Version-Release number of selected component:
systemd-219-9.fc22

Additional info:
reporter:       libreport-2.4.0
backtrace_rating: 4
cmdline:        /usr/lib/systemd/systemd-journald
crash_function: __memcpy_sse2_unaligned
executable:     /usr/lib/systemd/systemd-journald
kernel:         4.0.0-0.rc4.git0.1.fc22.x86_64
runlevel:       unknown
type:           CCpp
uid:            0

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 __memcpy_sse2_unaligned at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:35
 #1 memcpy at /usr/include/bits/string3.h:53
 #2 journal_file_append_data.lto_priv.142 at ../src/journal/journal-file.c:1071
 #3 journal_file_append_entry.constprop.103 at ../src/journal/journal-file.c:1414
 #4 write_to_journal at ../src/journal/journald-server.c:512
 #5 dispatch_message_real.lto_priv.223 at ../src/journal/journald-server.c:819
 #6 server_dispatch_message at ../src/journal/journald-server.c:917
 #7 stdout_stream_log at ../src/journal/journald-stream.c:282
 #8 stdout_stream_line.lto_priv.155 at ../src/journal/journald-stream.c:380
 #9 stdout_stream_scan at ../src/journal/journald-stream.c:410