Starting program: /opt/samab3.3/bin/net -U root -S kerry rpc user
Enter root's password:

Program received signal SIGSEGV, Segmentation fault.
rpc_user_list (c=0x7f7a854f2120, argc=<value optimized out>, argv=<value optimized out>) at utils/net_rpc.c:871
871                                     printf("%s\n", info->usri1_name);
(gdb) backtrace
#0  rpc_user_list (c=0x7f7a854f2120, argc=<value optimized out>, argv=<value optimized out>) at utils/net_rpc.c:871
#1  0x00007f7a84ed3273 in net_rpc_user (c=0x7f7a854f2120, argc=0, argv=0x7f7a854f2028) at utils/net_rpc.c:959
#2  0x00007f7a84eeaab9 in net_run_function (c=0x7f7a854f2120, argc=1, argv=0x7f7a854f2020, whoami=0x7f7a851d7355 "net rpc", table=0x7fff8d2d2688) at utils/net_util.c:571
#3  0x00007f7a84ecb14f in net_rpc (c=0x3, argc=-2082997648, argv=0x1) at utils/net_rpc.c:7212
#4  0x00007f7a84eeaab9 in net_run_function (c=0x7f7a854f2120, argc=2, argv=0x7f7a854f2018, whoami=0x7f7a851d4004 "net", table=0x7f7a854e69e0) at utils/net_util.c:571
#5  0x00007f7a84ec88f8 in main (argc=7, argv=<value optimized out>) at utils/net.c:767


I think its to do with the amount of users.

This is with 3.2 net:
net -S kerry -U root rpc user | wc -l
Enter root's password:
791