Comment 11 for bug 42264

Here is a call stack of the crash if needed:

#0 0xb7f072a3 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1 0xb7edb2e4 in vfprintf () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7ed7d7c in cuserid () from /lib/tls/i686/cmov/libc.so.6
#3 0xb7ed7fbb in vfprintf () from /lib/tls/i686/cmov/libc.so.6
#4 0xb7ee06af in fprintf () from /lib/tls/i686/cmov/libc.so.6
#5 0x080497b2 in print_stats () at dd.c:553
#6 0x0804b3fa in main (argc=4, argv=0xbfaf1034) at dd.c:600