Description of problem:
Doing rsync (using ssh) of a large file (about 100gb) using the following cmd:

rsync -arvHu --delete --progress --stats /develop/Machines/win7/ -e ssh -p 1234 stefano.1.2:/home/stefano/VM/

After a while rsync process occupied 100% cpu and I had to kill it

Version-Release number of selected component:
rsync-3.1.0-2.fc20

Additional info:
reporter:       libreport-2.1.12
backtrace_rating: 4
cmdline:        rsync -arvHu --delete --progress --stats /develop/Machines/win7/ -e 'ssh -p 1234' stefano.1.2:/home/stefano/VM/
crash_function: hash_search
executable:     /usr/bin/rsync
kernel:         3.13.5-200.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (5 frames)
 #0 hash_search at match.c:236
 #1 match_sums at match.c:398
 #2 send_files at sender.c:406
 #3 client_run at main.c:1152
 #4 start_client at main.c:1405